A family that owns a marketplace, a classifieds site, or a booking platform is already in the tax net that politicians still describe as a fight with global technology groups. In 2026, digital tax family marketplaces 2026 work is operational: who is the platform operator, who is the seller, which VAT one-stop shop applies, and which information the family must send to a tax authority. This note is general information, not a tax opinion and not personalised advice. Vellum is a fee-only multi-family office. It does not invent a digital services tax rate for a country that has not published one, and it does not treat an OECD press note as a French assessment.
The useful split is three layers. Profits tax for large groups (OECD two-pillar). Reporting by platforms on their sellers (DAC7 and OECD platform rules). VAT collection on cross-border supplies (VAT OSS and related Union schemes). A family marketplace can sit in layer two and three while remaining far from layer one. Mixing the layers in one board memo produces the wrong systems project.
Digital tax family marketplaces 2026 is not a Big Tech-only file
Statutes are written for “platform operators” and “facilitators,” not for household names. A family-owned site that connects professional sellers of goods, short-term lets, or personal services to customers in the Union is usually a platform for DAC7 and often a deemed supplier or a facilitator for VAT. Size helps with some OECD profit-tax thresholds. It does not excuse seller reporting. Families who still think “digital tax” means a levy on a US group’s advertising revenue will miss the January reporting deadline that sits on their own operator entity.
Governance is the first fact. Which company is the operator in the terms of use. Which company holds the payment flow. Which company is established in the EU. A marketplace run from a Swiss OpCo with EU sellers is not “outside DAC7” by slogan. Union rules reach non-Union operators that facilitate relevant activities in the internal market. Counsel maps the operator. The family’s brand name does not.
OECD two-pillar: profits tax for large groups
The OECD/G20 Inclusive Framework two-pillar project is the profits-tax layer. Pillar Two is the global minimum tax architecture that many jurisdictions have already begun to implement for large multinational groups. Pillar One, still the more political twin, is the attempt to reallocate taxing rights on residual profits of the largest and most profitable groups, and, in the political bargain, to limit the spread of national digital services taxes. The Council of the EU digital-taxation pages restate that Union position at a high level.
A family-owned marketplace is in Pillar Two only if the group meets the scope tests (revenue, constituent entities, excluded entities) in the implementing law of each relevant state. Most family platforms will not. Some family industrial groups that also own a platform will. Do not assume either result. Adjacent holding-company interest limitation is a different statute; see ATAD interest limitation for holdings in 2026. Two-pillar work, if it applies, is a group tax file with GloBE information returns, not a VAT login.
This article does not invent a DST rate, a Pillar One Amount A percentage, or a revenue threshold beyond what official pages already state as design. If the family needs a number, the number lives in the statute or in the OECD model rules as transposed. A journalist’s round figure is not an assessment.
DAC7: the operator reports the sellers
The European Commission’s DAC7 pages describe the Union reporting rules for digital platforms. The operator collects identification and financial information on EU sellers (and, for immovable property, on the location of the property) and reports annually to a tax authority, which then exchanges automatically. The OECD model reporting rules for platform operators are the international cousin of the same idea. Families should treat DAC7 as a KYC-plus-reporting build, with due diligence on sellers, records, and a 31 January-style annual clock as stated in the official material, not as a profits tax.
Relevant activities typically include the sale of goods, rental of immovable property, personal services, and rental of means of transport, as defined in the directive and national transposition. A family antiques marketplace, a villa-rental site, and a boat-charter platform can all be in. A pure media site that does not facilitate a consideration-based match may be out. The terms of use and the payment flow decide, not the homepage photograph.
Non-Union operators that facilitate relevant activity in the internal market can have a Union reporting obligation and a single-registration logic. Ignoring that because the HoldCo is in Geneva is a common way to meet a penalty. Register, or redesign the activity with counsel. Do not redesign it with a slogan.
VAT OSS is a collection path, not a profits tax
The Union VAT One Stop Shop lets businesses declare and pay VAT on certain cross-border B2C supplies through a single portal, instead of registering in every Member State. There are Union, non-Union, and import OSS schemes, each with its own conditions. Platforms can also be deemed suppliers for some distance sales of goods. That is a collection and liability design. It is not OECD Pillar Two, and it is not DAC7. Families who bolt a single “digital tax” software purchase onto all three layers will still miss a return.
Place-of-supply rules, low-value consignments, and the deemed-supplier provisions need a VAT memo that names the operator, the sellers, and whether the platform is in the middle of the goods flow. A marketplace that only introduces parties, with payment elsewhere, is a different VAT animal from one that checks out the cart. Draw the flow. Then choose the OSS scheme, or accept local registrations. The French tax administration portal remains the national door for a French-established operator’s VAT and, where relevant, for France’s own digital-services measure in the Code général des impôts. Read the statute for any rate. Do not copy a rate from memory into a board pack.
National digital services taxes: statute, not folklore
Several countries enacted digital services taxes while waiting for Pillar One. France’s measure sits in the CGI. Other states have their own bases, thresholds, and rates. This article will not list those rates. They are easy to get wrong, easy to date wrongly, and easy to apply to a family marketplace that is not in scope. Scope is usually a combination of worldwide and domestic digital-revenue tests, plus a definition of taxable services (often advertising, marketplaces, and data transmission). A family classifieds site may be in, out, or on the edge. The only safe sentence in a 2026 family memo is: obtain the current official text for each state where taxable revenue might arise, test the thresholds, and record the conclusion with counsel’s name on it.
Double counting is the operational risk. A group that accrues a national DST, collects VAT, files DAC7, and then meets a Pillar Two top-up is running four clocks. Credits, deductibility, and whether a DST remains after any Pillar One implementation are legal questions. They are not a reason to ignore DAC7 because “OECD will replace it.” DAC7 is information exchange. It does not wait for Amount A.
A diligence map for a family-owned marketplace
Start with the operator entity and the payment flow. List seller types (professionals, private individuals, mixed). List Member States of sellers and of immovable property. Decide DAC7 due diligence and the annual report. Decide VAT: deemed supplier or not, OSS or local, invoices. Test national DST or similar measures only after the revenue definitions are on one page. Test Pillar Two only if group revenue could meet implementing thresholds. Add consumer-law, DSA-style platform duties, and payment-services licensing if the site touches money. That last item is not a tax, and it still closes businesses that treat a wallet as a feature.
Systems should produce seller identification, consideration totals, and a clear audit trail. A family office that reports the platform as “a tech investment” in the investment policy still needs an operator compliance calendar. The Vellum Finance services map is fee-only coordination among tax counsel, VAT specialists, and the operating company, without a software product to place.
Succession and sale of the platform change the operator. A share deal does not automatically transfer OSS registrations, DAC7 single-registration, or payment licences. Put those in the data room. A buyer’s first question in 2026 is often not multiple. It is whether last January’s seller report was filed.
Conclusion
Digital tax family marketplaces 2026 is an operator file. OECD two-pillar may or may not touch the group. DAC7 and VAT OSS often will. National digital services taxes exist in statutes: read those statutes, do not invent rates. Keep profits tax, seller reporting, and VAT on separate calendars, with one map of the payment flow. The family that owns the platform is already a tax intermediary. The remaining choice is whether the office treats that fact as a systems project or as a surprise assessment.
Discretion. Stability. Prosperity.
Team Vellum
A team of passionate professionals who combine their expertise to bring knowledge through Vellum Finance & Patrimoine blog articles. Each member writes about their own field of expertise, cross referencing with our colleagues own fields to ensure the highest quality of information possible in all our content.
