
Review
BUX
BUX B.V.
An ABN AMRO-owned Dutch investing app that turned into a subscription — and the free tier is the expensive one.
Advertising disclosure: where a partnership is active, we may earn a commission through broker links. The provider’s terms apply. Commissions do not influence our ratings; paid placements are separately labelled as sponsored.
Editorial score
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- Group index
- 78/100
- Stocks (per order)
- €3.99
- Minimum deposit
- None
- Founded
- 2013
- Headquarters
- Amsterdam, NL
- Exchanges
- n/a
Our verdict
BUX is best understood as a well-designed European ETF-savings app that has been folded into a large bank and repriced as a subscription. On BUX Plus at EUR 2.99 a month, the maths works: three Zero Orders a month cost nothing, the 0.20% asset fee disappears, the currency markup drops to 0.25%, and free Investment Plans make monthly ETF saving genuinely cheap. On BUX Basic the picture is mixed rather than uniformly bad. ETFs and ETCs are the one thing the free plan prices properly — EUR 0.99 a market order, the same as on Prime, because they sit in their own column and do not follow the share grid. Everything around them is where Basic charges: a EUR 20,000 portfolio pays EUR 40 a year in service fees before a single trade, each European share order costs EUR 3.99, the currency markup is 0.75%, idle cash earns nothing, and there are no limit orders and no Zero Orders. Calling the free tier free is still the least honest thing about this product — the ETF column is the honest exception, not the rule. The bigger caveats are structural. The asset range is thin: shares, ETFs and ETPs only, with no bonds, no funds, no options, no futures and no direct crypto since March 2024. There is no phone support. And for German and Austrian investors — a large share of BUX's addressable market — BUX does not act as a paying agent, so there is no automatic Abgeltungsteuer or KESt deduction and every position must be declared yourself. That single fact will decide the account for a lot of DACH readers, and it is not something a EUR 2.99 subscription fixes. Where BUX earns its score is safety and design: ABN AMRO ownership, AFM supervision, ABN AMRO Clearing custody, and an app that beginners actually enjoy using. The blot on that record is a EUR 1.6 million AFM fine, imposed in November 2024 and published in March 2025, for paying introduction fees to finfluencers, comparison sites and existing customers in breach of the Dutch ban on inducements. That is a conduct failure rather than a solvency one, and it says nothing about whether your securities are safe — but it does bear directly on how BUX buys its customers, comparison sites included, and we would rather you heard it here.
Best for
- European ETF savers
- Beginners in the Netherlands and Belgium
- Fractional share investors
- Automated monthly investing
- Mobile-first investors
Less suitable for
- German and Austrian investors who want tax handled at source
- Anyone staying on the free Basic tier
- Active or intraday traders
- Bond, fund and derivatives investors
- Investors who want to phone their broker
Pros & cons
Pros
8- Owned by ABN AMRO since July 2024, with clearing and custody through ABN AMRO Clearing Bank — a materially stronger backing than the venture-funded startup that preceded it
- ETFs and ETCs cost EUR 0.99 a market order on every plan, Basic included — they are priced in their own column and are not dragged onto the EUR 3.99 European share grid
- Commission-free Zero Orders on the Plus and Prime plans — 3 a month on Plus, 5 on Prime — plus free Investment Plan purchases on every plan including Basic, which do not count against that allowance
- Fractional shares from EUR 5, which makes small recurring purchases of high-priced US shares work properly
- US market orders cost EUR 0.99 on every tier, and real-time quotes, deposits and withdrawals are all free
- Open to residents of eight European countries including Germany, Austria and Ireland — one of the few EUR-native app brokers accessible across DACH
- AFM-supervised with securities covered to EUR 20,000 under the Dutch investor compensation scheme and cash held at a bank under deposit-guarantee terms
- The app is genuinely well made: clean order flow, Investment Plans for automation, and expert-built portfolios for people who do not want to pick
Cons
8- The free Basic plan is the expensive one everywhere except ETFs: 0.20% per year on invested assets, EUR 3.99 European share orders, 0.75% FX, no interest on cash, no Zero Orders and no limit orders — a EUR 20,000 portfolio pays more in service fees than the Plus subscription costs
- The AFM fined BUX B.V. EUR 1.6 million in November 2024, published in March 2025, for paying introduction fees to finfluencers, comparison sites and existing customers in breach of the Dutch inducement ban — a conduct matter, but one worth knowing before you read anyone's BUX recommendation
- Zero Orders are capped rather than unlimited: 3 a month on Plus and 5 a month on Prime, after which you are back on the paid market-order grid
- BUX does not act as a German or Austrian paying agent, so no Abgeltungsteuer or KESt is withheld at source and DACH investors must declare gains and dividends themselves via Anlage KAP or the Austrian equivalent
- Very narrow product range — shares, ETFs and ETPs only. No bonds, no mutual funds, no options, no futures, no forex, and direct crypto trading was discontinued in March 2024
- Zero Orders execute only in an end-of-day batch, so the commission-free route gives you no control over the price you get intraday
- No telephone support at any tier; everything runs through in-app chat and email during weekday business hours
- The subscription model introduced in August 2025 replaced a largely free product and was poorly received by the existing user base, which is visible in recent public review sentiment
Rating breakdown
How this score is built
Overall score
Weighted mean of ten criteria
Ten criteria, fixed weights, no commission logic. The overall score is the weighted mean of the sub-scores below.
See the full methodology- Fees22%3.2
Commissions, spreads, FX markups, custody and inactivity fees — weighted against realistic trading profiles.
- Safety & regulation20%4.2
Quality of regulation, investor compensation, public listing, segregation of client funds and track record.
- Trading platform14%3.0
Feature depth, order types, charting, stability and usability of the desktop and web platforms.
- Product range10%2.4
Breadth of asset classes, markets, exchanges and individual instruments.
- Mobile app8%4.0
Completeness and quality of the mobile app relative to the desktop experience.
- Research7%2.4
Market analysis, screeners, news, price targets and data quality.
- Customer support7%2.8
Availability, response time, language coverage and competence of customer support.
- Deposit & withdrawal5%3.8
Available payment methods, fees, processing times and base currencies.
- Account opening4%4.2
Duration, digital onboarding quality and friction of the account opening process.
- Education3%2.8
Learning material, webinars, demo account quality and beginner suitability.
Fee overview
Fees
Fees compared
Lower is cheaper. Each bar runs from 0 to the highest recorded value; the vertical line marks the median.
- Reference order EUR 5,000
- €3.99above the median
Median €1.00 across 44 brokers with a comparable value · Range €0.00 to €25.00
Indicative cost of a single EUR 5,000 stock order under the published pricing model — excluding spread and FX markup.
- FX conversion
- 0.75 %above the median
Median 0.5 % across 42 brokers with a comparable value · Range 0 % to 1.5 %
Markup as a percentage of the amount converted. Minimums and special cases, where recorded, are in the table below.
Commission-free stock orders count as zero. Left out are spread-only, tiered and subscription pricing, share CFDs (their commission excludes spread and financing), products a broker does not offer and fees with no recorded amount.
| Item | Rate | Detail |
|---|---|---|
| Trading costs | ||
| Stocks (per order) | €3.99 | Minimum: €0 — This record prices the default BUX Basic plan, where an immediate market order on a European exchange costs EUR 3.99. BUX Plus (EUR 2.99/month) charges EUR 1.99 and BUX Prime (EUR 7.99/month) charges EUR 0.99 for the same order. Commission-free 'Zero Orders' cost EUR 0.00 but are capped — 3 per month on Plus and 5 per month on Prime, none on Basic — and execute in an end-of-day batch. Purchases made through an Investment Plan are free on every plan, buy-side only, and do not count against the Zero Order allowance. Limit and GTC orders are not available on Basic at all. ETFs and ETCs are priced separately at EUR 0.99 on every plan. |
| US stocks | €0.99 | Minimum: €0 — US market orders cost EUR 0.99 on all three plans — the one place where the free tier is not penalised on commission. The currency markup is where the plans differ: 0.75% on Basic, 0.25% on Plus and 0.20% on Prime, applied to US trades. On a EUR 2,000 US order that is EUR 15.00, EUR 5.00 or EUR 4.00 respectively, dwarfing the EUR 0.99 commission. |
| ETFs | €0.99 | Minimum: €0 — ETFs and ETCs sit in their own column of the fee schedule alongside European and US shares, and they do NOT follow the share grid: a market order costs EUR 0.99 on Basic, Plus and Prime alike. Limit and GTC orders on ETFs cost EUR 0.99 on Plus and Prime and are not available on Basic. A Zero Order (Plus and Prime) or an Investment Plan purchase (all plans) is EUR 0.00. |
| Options (per contract) | n/a | BUX does not offer listed options. |
| Futures (per contract) | n/a | BUX does not offer futures. |
| EUR/USD spread | n/a | Not recorded in our dataset. |
| CFD index spread (points) | n/a | Not recorded in our dataset. |
| Crypto | n/a | BUX discontinued direct cryptocurrency trading in March 2024. Crypto exposure is only possible through exchange-traded products where local rules permit, and those trade as ordinary securities on the standard commission grid. You never hold a coin. |
| Bonds | n/a | Not recorded in our dataset. |
| Funds | n/a | Not recorded in our dataset. |
| Overnight financing | n/a | Not recorded in our dataset. |
| Account & transaction costs | ||
| FX conversion | 0.75 % | |
| Inactivity fee | n/a | Not recorded in our dataset. |
| Custody fee | 0.2% per year | BUX charges a variable service fee on invested assets, quoted annually and billed monthly. BUX Basic: 0.20% per year on all invested assets. BUX Plus: 0% below EUR 250,000 and 0.10% above. BUX Prime: 0% below EUR 500,000 and 0.10% above. This is the fee most Basic users overlook — on a EUR 20,000 portfolio it costs EUR 40 a year before a single trade, more than the EUR 35.88 annual cost of the Plus subscription that removes it. |
| Withdrawal fee | free | |
| Deposit fee | free | |
| Minimum deposit | No minimum deposit | |
| Other fees & incidental costs | ||
| Plan subscription | BUX Basic EUR 0 / BUX Plus EUR 2.99 per month / BUX Prime EUR 7.99 per month | |
| Variable service fee | 0.20% per year on invested assets (Basic); 0% up to EUR 250,000 then 0.10% (Plus); 0% up to EUR 500,000 then 0.10% (Prime) | |
| Zero Order | EUR 0.00 — not available on Basic, 3 per month on Plus, 5 per month on Prime; executed in an end-of-day batch between 16:00 CET and the close. Orders from an Investment Plan also run as Zero Orders but do not count against the monthly allowance | |
| Investment Plan purchases | EUR 0.00 on every plan, buy side only | |
| Market order, European shares | EUR 3.99 Basic / EUR 1.99 Plus / EUR 0.99 Prime | |
| Market order, US shares | EUR 0.99 on all plans | |
| Market order, ETFs and ETCs | EUR 0.99 on all plans — ETFs are a separate column and do not follow the share grid | |
| Limit and GTC orders | Not available on Basic. Plus: EUR 0.99 on ETFs and US shares, EUR 1.99 on European shares. Prime: EUR 0.99 throughout | |
| Currency conversion (US trades) | 0.75% Basic / 0.25% Plus / 0.20% Prime | |
| Deposits, withdrawals and real-time quotes | EUR 0.00 | |
| Shareholder meeting registration | EUR 10 including VAT | |
| Interest on uninvested cash | 1.75% on Plus and up to 2.00% on Prime as published; Basic pays no interest | |
An empty field means we found no reliable figure. We do not fill those gaps with estimates.
BUX
Investing involves risk. Your capital is at risk.
Advertising disclosure: where a partnership is active, we may earn a commission through broker links. The provider’s terms apply. Commissions do not influence our ratings; paid placements are separately labelled as sponsored.
Safety & regulation
Group index
The group index summarises recorded licences and company characteristics on a 0–100 scale. It uses the group's strongest licence among other inputs; that licence may not cover your account. It does not assess the protection provided by your particular legal entity. Check that entity's licence and compensation arrangements below.
Structural safeguards
Licences & legal entities
- Top-tier regulation
AFM
Autoriteit Financiële Markten (Dutch Authority for the Financial Markets)
- Local regulator
- Netherlands
- Legal entity
- BUX B.V.
- Licence number
- n/a
Investor protection€20,000Beleggerscompensatiestelsel (Dutch Investor Compensation Scheme)
BUX B.V. is authorised and regulated by the AFM and registered with the Amsterdam Chamber of Commerce under KvK number 58403949; prudential supervision of Dutch investment firms sits with De Nederlandsche Bank. Securities are covered by the Dutch investor compensation scheme up to EUR 20,000 per person. Cash is a separate matter: BUX is not a bank, so client money is held with a credit institution — BUX states coverage of up to EUR 100,000 under deposit guarantee scheme conditions. Clearing and custody run through ABN AMRO Clearing Bank.
Recorded regulatory actions
2024 · AFM€1,600,000
AFM fine against BUX B.V. for breaching the Dutch ban on inducements: BUX paid introduction fees to finfluencers, comparison sites and existing customers. Imposed on 18 November 2024, published on 12 March 2025; the last breach dates from 21 April 2023.
Regulation and investor compensation reduce risk, they do not remove it. No broker is guaranteed safe.
Markets & products
- StocksAvailable
- ETFsAvailable
- OptionsNot available
- FuturesNot available
- ForexNot available
- CFDsNot available
- CryptoNot available
- BondsNot available
- FundsNot available
- CommoditiesNot available
- IndicesNot available
- WarrantsNot available
- Spread bettingNot available
- Social tradingNot available
Platforms
BUX app
Mobile
Usability
4.0
The product BUX is built around. Clean design, fractional orders from EUR 5, Investment Plans for recurring purchases, and expert-built portfolios on Prime. Charting, screening and order types are deliberately minimal — this is an investing app, not a trading terminal.
BUX web
Web
Usability
3.0
Browser access to the account, portfolio and order entry. BUX is designed mobile-first and the web experience is a secondary surface for reviewing holdings and administration rather than a full desktop platform.
Account & funding
Deposit & withdrawal
- Minimum deposit
- No minimum deposit
- Deposit time
- iDEAL and Tikkie effectively instant for Dutch clients; SEPA transfer typically 1–2 business days
- Withdrawal time
- Typically 1–3 business days back to the account the money came from
- Free withdrawals per month
- n/a
- Account opening
- Fully in-app; most EU applicants finish in well under 30 minutes with an ID document and a SEPA account in their own name
At a glance
- Demo account
- No
- Fractional shares
- Yes
- Retail leverage
- n/a
- Professional leverage
- n/a
- Withholding tax agent
- No withholding agent role recorded
Payment methods
Account currencies
Account types
- BUX Basicn/a
EUR 0/month, but a 0.20% annual service fee on invested assets, EUR 3.99 European share orders, 0.75% FX and no Zero or limit orders — ETFs are EUR 0.99 as on every plan
- BUX Plusn/a
EUR 2.99/month — 3 free Zero Orders a month, EUR 1.99 European share orders, EUR 0.99 ETFs and US shares, 0.25% FX, no service fee below EUR 250,000
- BUX Primen/a
EUR 7.99/month — EUR 0.99 orders everywhere, 5 free Zero Orders a month, 0.20% FX, expert-built portfolios, no service fee below EUR 500,000
Customer support
Languages
Channels
Availability
Weekday business hours (CET); Prime subscribers are routed to a priority queue. There is no telephone support line.
- Phone number
- n/a
- Service rating
- 2.8
Full review: BUX
This review is based on official pricing schedules, legal documents and other available sources. It does not claim that we opened an account with this broker or tested it in practice.
Fees: a three-tier subscription, and a service fee you have to hunt for
BUX restructured its pricing in August 2025 into three plans, and the important thing about the grid is that the free plan is not the cheap plan.
| Basic | Plus | Prime | |
|---|---|---|---|
| Subscription | EUR 0 | EUR 2.99/month | EUR 7.99/month |
| Service fee on invested assets | 0.20% per year | 0% below EUR 250k, then 0.10% | 0% below EUR 500k, then 0.10% |
| Market order, EU shares | EUR 3.99 | EUR 1.99 | EUR 0.99 |
| Market order, US shares | EUR 0.99 | EUR 0.99 | EUR 0.99 |
| Market order, ETFs and ETCs | EUR 0.99 | EUR 0.99 | EUR 0.99 |
| Zero Order (end-of-day) | not available | EUR 0.00, 3 per month | EUR 0.00, 5 per month |
| Limit / GTC order | not available | EUR 0.99 ETFs and US shares, EUR 1.99 EU shares | EUR 0.99 |
| Investment Plan purchase | EUR 0.00 | EUR 0.00 | EUR 0.00 |
| Currency markup on US trades | 0.75% | 0.25% | 0.20% |
ETFs and ETCs are the exception to the whole structure. They are a separate column in BUX's schedule, not a variant of the European share line, and they cost EUR 0.99 a market order on all three plans. A Basic customer who only buys index ETFs therefore pays the same commission as a Prime customer, which is the single most important thing to know before concluding that the free tier is unusable.
The 0.20% annual service fee on Basic is the line that matters and the one buried furthest down the page. It is quoted per year and billed monthly against your invested assets. On a EUR 20,000 portfolio that is EUR 40 a year — more than the EUR 35.88 a full year of BUX Plus costs, and Plus removes the fee entirely below EUR 250,000. The break-even is roughly EUR 17,900 of invested assets: above that, paying for Plus is cheaper than staying free, before you count anything else.
Everything else pushes the same way, as long as you are buying shares rather than ETFs. Ten European share orders a year cost EUR 39.90 on Basic against EUR 19.90 on Plus, or EUR 0 as Zero Orders — but the Zero Order route is capped at 3 a month on Plus and 5 a month on Prime, so it covers a monthly savings rhythm and not an active one. EUR 7,200 of annual US turnover recovers the Plus subscription on the FX markup alone (0.75% versus 0.25%). Prime only makes sense against Plus if you place roughly 60 or more European share orders a year — the EUR 60 annual difference divided by the EUR 1.00 saved per order — since ETF and US orders already cost the same on both.
Free items are genuinely free: deposits, withdrawals, real-time quotes and Investment Plan purchases, which run as Zero Orders without consuming the monthly allowance. The only odd line is EUR 10 including VAT to register for a shareholder meeting.
Safety: AFM supervision, ABN AMRO ownership, and two different schemes
The safety story changed fundamentally in July 2024, when ABN AMRO acquired BUX and it became a subsidiary within the ABN AMRO group. Before that, BUX was a venture-funded startup founded in Amsterdam in 2013 by Nick Bortot, a former BinckBank executive. After it, the entity sits behind one of the largest banks in the Netherlands.
BUX B.V. is authorised and regulated by the Autoriteit Financiële Markten (AFM) and registered with the Amsterdam Chamber of Commerce under KvK number 58403949. It is an investment firm, not a bank — it holds no banking licence of its own — and prudential supervision of Dutch investment firms sits with De Nederlandsche Bank. Clearing and custody run through ABN AMRO Clearing Bank, which is both a consequence of the acquisition and a meaningful upgrade on the custody arrangements of a small independent broker.
Two separate protections apply, and conflating them is the most common mistake:
- Securities are covered by the Dutch investor compensation scheme (beleggerscompensatiestelsel) up to EUR 20,000 per person. Like every such scheme it pays only if the firm fails and client securities cannot be returned — your shares are held in a segregated structure and are not BUX's property in an insolvency.
- Cash is a different question because BUX is not a bank. Client money is placed with a credit institution, and BUX states coverage of up to EUR 100,000 under deposit guarantee scheme conditions. That is the bank's guarantee reaching through to you, not BUX's own.
One enforcement action belongs in this picture. On 18 November 2024 the AFM imposed a EUR 1.6 million fine on BUX B.V. for breaching the Dutch ban on inducements, and published the decision on 12 March 2025; the last breach it covers dates from 21 April 2023. The conduct at issue was paying introduction fees — to finfluencers, to comparison websites and to existing customers who brought in new ones. It is worth being blunt about what that means on a page like this one: the regulator's finding is precisely about the payment of acquisition commissions to sites that compare brokers. It is a conduct penalty, not a prudential one; it says nothing about the safety of your securities or the segregation of your cash, and the conduct predates both the ABN AMRO acquisition and the current compliance regime. But it is on the record, and a reader deciding on the strength of a recommendation deserves to know that BUX has been fined for paying for recommendations.
BUX B.V. is not itself listed; the listed company is its parent, ABN AMRO Bank N.V. That is the normal shape across this comparison, which is why the listing column reports the group rather than the licensed entity. BUX offers no leverage on the investing product, so an account cannot go negative. None of this makes any broker guaranteed safe, and the EUR 20,000 securities ceiling is noticeably thinner than the FSCS or SIPC figures readers may be used to.
Zero Orders, market orders and what execution actually costs
BUX's order model is unusual and deserves more attention than its fee table gets, because the cheapest route is also the least controlled one.
A Zero Order costs EUR 0.00 and is BUX's headline feature — but it is available only on Plus and Prime, it is rationed to 3 a month on Plus and 5 a month on Prime, and it executes in an end-of-day batch rather than immediately. You submit during the day and BUX aggregates and executes at a single point between 16:00 CET and the close. Orders generated by an Investment Plan run through the same batch but do not count against the monthly allowance, so a savings plan never eats into it. Reported price-protection thresholds of roughly 4–5% exist to cancel the order if the market moves violently, but within that band you accept whatever the batch price is. For a monthly ETF purchase that is irrelevant — you were never trying to time anything. For buying a single share on a news day it is a real cost that does not appear anywhere in the fee schedule.
A market order executes immediately at the prevailing price and costs EUR 3.99 (Basic), EUR 1.99 (Plus) or EUR 0.99 (Prime) on European shares, EUR 0.99 on US shares on every plan, and EUR 0.99 on ETFs and ETCs on every plan. This is the route to take when the price matters, and for an ETF buyer it is cheap enough that the Zero Order cap rarely bites.
Limit and GTC orders cost the same as the matching market order on Plus and Prime — EUR 0.99 on ETFs and US shares, EUR 1.99 on European shares under Plus, EUR 0.99 across the board under Prime — and are not available on Basic at all. That is a genuine functional restriction, not just a pricing one: on the free plan you cannot set a price you are willing to pay. For a beginner-oriented product that is a defensible simplification; for anyone who has learned why limit orders exist, it is a reason to pay.
Investment Plans — recurring scheduled purchases — are free on every plan, buy side only, and are the single best thing about BUX's pricing. Combined with fractional dealing from EUR 5, a EUR 100 monthly ETF contribution costs nothing in commission on any tier, including Basic. If that is your entire use case, BUX is competitive even at the free level, provided your portfolio stays small enough that the 0.20% service fee does not overtake the subscription.
What you can buy — and what BUX took away
The investable universe is roughly 3,000 instruments, and the composition is narrow by design:
- Shares on major European exchanges — Amsterdam, Frankfurt, Paris, Brussels, Milan, Madrid — and on NYSE and Nasdaq
- ETFs and ETCs, which are the backbone of the product and the focus of the Investment Plan feature
- Exchange-traded products including crypto ETPs, where local rules permit
- Fractional dealing from EUR 5, on both European and US names
- Expert-built portfolios, available on the Prime tier for investors who would rather delegate selection
What is absent is a long list: no bonds, no mutual funds, no listed options, no futures, no spot forex, no CFDs, no warrants or certificates, no margin and no demo account.
The removals are worth stating plainly because they represent a strategic narrowing rather than a product that never had these things. Direct cryptocurrency trading was discontinued in March 2024 — BUX previously let you hold coins and no longer does. The old BUX X CFD app and the BUX Markets business, which were leveraged trading products under separate arrangements, are no longer part of what a retail customer sees today. The BUX you can open in 2026 is an equity and ETF investing app inside a bank, and nothing else.
For a first portfolio built around a couple of index ETFs and a handful of shares, that is sufficient and arguably healthy. For anyone whose interests broaden into fixed income, derivatives or holding actual crypto, BUX will not follow you, and you will end up running a second account.
The German and Austrian tax question
For German and Austrian investors this is the section that decides the account, and it deserves a direct answer: BUX does not act as a German paying agent, so no Abgeltungsteuer is withheld at source — and there is no automatic KESt deduction for Austrian investors either.
With a German domestic broker, the platform withholds 25% Abgeltungsteuer plus Solidaritätszuschlag and any Kirchensteuer on realised gains and dividends, applies your Freistellungsauftrag against the EUR 1,000 Sparer-Pauschbetrag, and settles the whole thing with the Finanzamt. You often do not need to touch Anlage KAP at all. With BUX, none of that happens. Gains and dividends arrive gross, your allowance is not applied automatically, and you are responsible for declaring everything yourself each year.
The practical consequences are concrete rather than theoretical:
- You must complete Anlage KAP (and Anlage KAP-INV where fund and ETF income is involved) every year you hold or sell
- The Vorabpauschale on accumulating ETFs — the notional annual advance lump sum German investors owe even without selling — is yours to calculate and declare, not BUX's to withhold
- Teilfreistellung relief on equity funds has to be claimed by you rather than applied at source
- Foreign withholding tax on US dividends is reduced by a W-8BEN to 15% for treaty residents, and crediting it against German tax is again your paperwork
- Austrian investors face the equivalent problem: a foreign broker without Austrian paying-agent status means self-declaration rather than automatic KESt settlement
BUX provides an annual statement you can work from, and for a small portfolio of two ETFs bought monthly the extra effort is a manageable evening once a year. But it is not zero, and it is not a rounding error compared with the EUR 35.88 a year the Plus plan costs. A German investor who values tax-simplicity should weigh a domestic broker that withholds automatically before choosing BUX on price, because the price difference is small and the administrative difference is not. Dutch and Belgian investors do not face this trade-off in the same form and should judge BUX on its fees and range instead.
Account opening, funding and withdrawals
Onboarding is fully in-app and fast. You need an ID document, a SEPA bank account in your own name, and residency in one of the eight countries BUX serves: the Netherlands, Belgium, Germany, France, Spain, Italy, Austria and Ireland. Most applicants complete the process in well under half an hour, and there is no minimum deposit — fractional dealing from EUR 5 means a first order can be genuinely small.
The appropriateness questionnaire is short, because BUX offers no leveraged or complex products that would require a knowledge assessment. It also means there is no demo account and no paper-trading mode: you learn with real money from the first order, which is worth knowing if you are a complete beginner.
Funding is EUR only and free. iDEAL and Tikkie are effectively instant for Dutch clients and are the smoothest route by a distance. Everyone else uses SEPA transfer, which typically credits in one to two business days. There are no cards, no PayPal, no e-wallets and no cryptocurrency funding. Because the account is euro-denominated, buying a US share triggers an automatic conversion at the plan's markup — 0.75%, 0.25% or 0.20% — with no option to hold a dollar balance and convert once. For a US-heavy portfolio that is a recurring, compounding cost rather than a one-off.
Withdrawals are free and return to the account the money came from, typically within one to three business days. There is no withdrawal fee at any tier and no limit on frequency worth mentioning.
Interest on uninvested cash is a plan benefit rather than a universal one: BUX publishes 1.75% on Plus and up to 2.00% on Prime, while Basic pays nothing on idle cash — one more way the free tier costs you money quietly.
App, research, education and support
The app is the reason BUX has the customer base it has. The order flow is unusually clean, fractional amounts are handled in euros rather than share counts, Investment Plans automate recurring purchases in two taps, and the portfolio view is legible in a way that bank apps rarely manage. Expert-built portfolios on the Prime tier give a delegated option for people who do not want to choose. It is a well-designed consumer product, and app-store sentiment reflects that.
Web access exists for account administration, portfolio review and order entry, but BUX is mobile-first and the browser surface is clearly the secondary one. There is no desktop platform, no multi-window layout and no API.
Research is thin. Each instrument gets a price chart, a short description, basic key figures and news where available. There is no screener worth the name, no analyst consensus, no proprietary analysis and no third-party research marketplace. Real-time quotes are free, which is a nice touch, but free quotes are not research. In practice BUX users decide what to buy elsewhere and execute here.
Education is modest — explainer content on ETFs, diversification, risk and the mechanics of the app, aimed squarely at people making a first investment. There are no webinars, no structured courses and, with no demo account, no way to practise.
Support is the weakest dimension and the most common complaint. Channels are in-app chat and email during weekday business hours in Dutch, English, German, French, Spanish and Italian. There is no telephone line at any tier, and priority routing is a Prime benefit — so the free plan queues behind two levels of paying customers by design. Public sentiment has been noticeably harsher since the August 2025 subscription launch, which converted a largely free product into a paid one and drew a predictable reaction from long-standing users. That reaction is about pricing rather than reliability, but it is real and it is visible in the recent review record.
Frequently asked questions
Not quite, and the detail matters. Basic charges a 0.20% annual service fee on your invested assets, billed monthly — EUR 40 a year on a EUR 20,000 portfolio. It also charges EUR 3.99 per European share order, applies a 0.75% currency markup on US trades, pays no interest on cash, and gives you no access to commission-free Zero Orders or to limit orders. The genuine exception is ETFs and ETCs: they are a separate column in the fee schedule and cost EUR 0.99 a market order on Basic, exactly as on Prime. BUX Plus costs EUR 35.88 a year and removes the service fee below EUR 250,000, so the break-even is around EUR 17,900 of invested assets.
No. BUX is a Dutch investment firm and does not act as a German or Austrian paying agent, so nothing is withheld at source. German investors receive gains and dividends gross, must complete Anlage KAP and Anlage KAP-INV each year, must calculate and declare the Vorabpauschale on accumulating ETFs themselves, and must claim Teilfreistellung and any foreign withholding tax credit manually. The Sparer-Pauschbetrag is not applied automatically because there is no Freistellungsauftrag to lodge. Austrian investors face the equivalent self-declaration burden. If tax-simplicity is your priority, compare a domestic broker before choosing BUX on price.
A Zero Order costs EUR 0.00 in commission but executes in an end-of-day batch between 16:00 CET and the close rather than immediately, so you have no control over the price within the trading session — reported price-protection thresholds of roughly 4–5% will cancel the order if the market moves violently, but within that band you take the batch price. There are two further limits: Zero Orders are only available on Plus and Prime, not on Basic, and they are rationed to 3 a month on Plus and 5 a month on Prime. Orders placed by an Investment Plan also execute as Zero Orders but do not count against that allowance. For a monthly ETF purchase the trade-off is irrelevant. For buying a specific share on a volatile day, pay for the market order.
Not directly. BUX discontinued direct cryptocurrency trading in March 2024. The only remaining route is exchange-traded products that track crypto assets, where local rules permit them, and those trade as ordinary securities on the standard commission grid. You never hold a coin and you never control a wallet. If holding actual cryptocurrency matters to you, BUX is not the account for that part of your portfolio.
BUX B.V. is authorised and regulated by the Dutch AFM under KvK number 58403949, and has been a subsidiary of ABN AMRO since July 2024, with clearing and custody through ABN AMRO Clearing Bank. Securities are covered by the Dutch investor compensation scheme up to EUR 20,000 per person. Cash is separate: BUX is not a bank, so client money sits with a credit institution, and BUX states coverage of up to EUR 100,000 under deposit guarantee scheme conditions. BUX offers no leverage, so the account cannot go negative. As with any broker, none of this protects you against investments falling in value.
Work it from your portfolio size and order count. Below roughly EUR 17,900 invested, buying ETFs at EUR 0.99 or running free Investment Plans, Basic still makes sense. Above that, Plus at EUR 35.88 a year is cheaper than Basic's 0.20% service fee alone, and it adds three Zero Orders a month, limit orders, a 0.25% instead of 0.75% currency markup and 1.75% interest on cash. Prime at EUR 95.88 a year only beats Plus if you place roughly 60 or more European share orders a year, since it saves EUR 1.00 per order and nothing at all on ETFs or US shares, or if you want the expert-built portfolios and the higher asset-fee threshold.
Yes. The AFM imposed a EUR 1.6 million fine on BUX B.V. on 18 November 2024 and published the decision on 12 March 2025. The finding was a breach of the Dutch ban on inducements: BUX paid introduction fees to finfluencers, to comparison websites and to existing customers who referred new ones, with the last breach dated 21 April 2023. It is a conduct penalty rather than a prudential one — it does not touch the segregation of client securities, the EUR 20,000 investor compensation cover or ABN AMRO Clearing's custody role. We disclose it because the conduct at issue is the paying of acquisition commissions to comparison sites, and this is one.
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Sources & data provenance
These figures were compiled from the sources below, the broker's own pricing page first. External links open in a new tab.
- bux.comhttps://bux.com/fees/
- bux.comhttps://bux.com/
- bux.comhttps://bux.com/legal/
- afm.nlhttps://www.afm.nl/en/sector/actueel/2025/mrt/boete-bux
- investingintheweb.comhttps://investingintheweb.com/brokers/bux-review/
Dataset compiled on
30 August 2026
This record has not yet been double-checked by a human. Please verify every figure against the broker's own fee schedule.
Source
Fees, licences and product lists change constantly. Verify every figure that matters to you on the broker's own site before opening an account.