Pillar Guide · Updated June 2026

UK Digital Services Tax (DST): Complete Guide 2026/27

The UK Digital Services Tax (DST) is a 2% levy on UK revenues from social media platforms, internet search engines and online marketplaces that exceed £500 million global revenues and £25 million UK revenuesfrom in-scope digital activities. Introduced in April 2020, DST is explicitly non-deductible for corporation tax, applying in addition to -- not instead of -- UK VAT on digital services. In practice it applies to a small number of large US technology companies. This guide explains who is liable, how UK DST is calculated, the three in-scope categories, differences from VAT, and the status of OECD Pillar One and US-UK trade negotiations that may ultimately replace DST.

Last updated: 10 June 2026Last reviewed: 10 June 2026How we verify

Key DST figures -- 2026/27

DST rate: 2% of UK revenues from in-scope digital activities
Global revenue threshold: £500 million from in-scope activities
UK revenue threshold (de minimis): £25 million (shared by group)
In-scope categories: social media, internet search, online marketplaces
CT deductibility: not deductible for corporation tax
Return and payment: annual, within 12 months of accounting period end
Introduced: 1 April 2020 (Finance Act 2020)

What is the Digital Services Tax

The UK Digital Services Tax was introduced by Finance Act 2020, effective from 1 April 2020. It is a standalone revenue-based tax -- not a profits tax and not VAT -- charged at 2% of UK revenues from certain digital activities. DST was designed to address the perception that large digital platforms generate substantial value from UK users and UK market participation without paying commensurate UK tax, because their existing corporate structures route UK revenues through low-tax jurisdictions.

DST is structurally different from corporation tax: it is a charge on revenues (gross income, before costs), not on profits. A highly profitable digital company and a loss-making one both pay 2% DST on qualifying UK revenues if they meet the thresholds. This makes DST more predictable as a revenue-raiser but arguably less economically efficient than a profit-based tax.

The tax is explicitly non-deductible for UK CT. A company paying £50 million DST cannot reduce its CT base by £50 million in the same way it can reduce it by deductible business expenses. This non-deductibility was built in to prevent DST from being absorbed into the CT system as just another deductible business cost.

HMRC estimated DST would raise approximately £350 million per year at introduction. Due to significant growth in digital advertising revenues during and after the Covid-19 pandemic, actual DST receipts have substantially exceeded initial projections, with HMRC reporting over £700 million in 2022/23.

Who is Liable (Revenue Thresholds)

DST liability requires satisfaction of two thresholds simultaneously:

Threshold	Amount	Applied to
Global in-scope revenues	£500 million per year	All worldwide in-scope digital revenues of the group
UK in-scope revenues (de minimis)	£25 million per year	UK-attributable in-scope revenues; shared across the group

Both thresholds must be met in the same year for DST to apply. A company with £600 million global revenues but only £20 million UK revenues is below the UK threshold and not liable. A company with £100 million UK revenues but only £300 million global revenues is below the global threshold and not liable.

The thresholds apply at group level, not entity level. If a corporate group as a whole exceeds both thresholds, all group entities providing in-scope services to UK users are within scope. The £25 million de minimis allowance is shared across the group.

Safe harbour provisions apply in some cases: if a group's digital services business is unprofitable overall (globally), it may be eligible for a "safe harbour" that caps DST at 50% of the relevant global operating margin. This prevents DST from exceeding the actual profitability of the digital business in extreme circumstances.

Three Categories: Social Media, Search and Marketplaces

The three in-scope digital activity categories each have specific statutory definitions:

Social media services: a platform whose design allows users to interact with each other and share user-generated content. Includes Facebook/Meta, Instagram, TikTok, X (formerly Twitter), Snapchat, LinkedIn, Reddit and similar platforms. Crucially, the defining feature is user interaction and content sharing -- a streaming service that does not primarily facilitate user-to-user interaction is not a social media service. Messaging-only platforms are also outside scope.
Internet search engines: a platform or service that enables users to search the internet and returns results including links to third-party content. Includes Google Search, Microsoft Bing, and similar general search engines. Vertical search tools (e.g. price comparison sites, property portals, travel comparison sites) are generally not in-scope internet search engines -- they are assessed separately and may fall under the marketplace category.
Online marketplaces: a platform that facilitates the sale of goods or services between users (whether B2C or C2C or B2B). Includes Amazon Marketplace, eBay, Airbnb, Uber, Deliveroo and similar platforms. The key feature is facilitation of transactions between users. Platforms that merely list information without enabling the transaction may be outside scope.

Activities outside scope include: financial services and fintech (payment processing, banking apps, investment platforms), online streaming (Netflix, Disney+, Spotify), B2B software and cloud computing (AWS, Azure), gambling services, and broadcast media. The exclusion of financial services was commercially significant given the size of UK fintech.

How DST is Calculated and Reported

The DST calculation follows a defined methodology set out in HMRC's DST guidance:

Identify all in-scope revenue streams for the accounting period.
Apply the UK revenue attribution rules to determine which revenues are "UK revenues" (broadly: revenue from UK users, based on user location data).
Total UK in-scope revenues across all in-scope categories.
Subtract the £25 million group allowance.
Apply the 2% DST rate to the net amount.
Apply any safe harbour reduction if the business is loss-making globally.

User attribution -- determining which revenues are "UK revenues" -- uses a combination of IP address geolocation, user registration data, payment location, and platform- specific data signals. The rules allow companies to use reasonable estimates where precise attribution is not possible, but HMRC expects a systematic and auditable approach.

Filing and payment:

Annual DST return due within 12 months of the end of the accounting period.
DST payment due at the same time as the return.
Responsible member of the group must be appointed and registered with HMRC.
Amended returns can be filed within 12 months of the original filing deadline.

HMRC has a specialist Large Business directorate team for DST compliance. Given the small number of in-scope businesses and the large revenue amounts involved, HMRC monitors DST filings closely and has specific powers to enquire into user attribution methodologies and group threshold calculations.

DST vs VAT on Digital Services

DST and UK VAT on digital services are separate and cumulative. A large digital platform operating in the UK must comply with both regimes independently:

Feature	VAT on digital services	Digital Services Tax
Rate	20%	2%
Base	Supply value (net of VAT)	UK revenues from in-scope activities
Who bears it	Consumer (output tax)	Digital platform (revenue tax)
B2B recovery	Yes (input VAT)	No
Registration threshold	£90,000 VAT registration	£500m global + £25m UK DST
CT deductibility	Not applicable (passed through)	Non-deductible
Return frequency	Quarterly / monthly	Annual

The combined effect on a large digital platform: charge 20% VAT on B2C digital supplies to UK consumers, then also pay 2% DST on the same UK revenues above the £25 million threshold. The DST is paid by the platform from its own resources with no pass-through mechanism to the consumer (unlike VAT). Some platforms have disclosed that DST costs are built into their pricing -- effectively passing the cost to advertisers or sellers through higher advertising rates or marketplace fees.

International Developments and US-UK Trade Negotiations

UK DST was always characterised by the government as a temporary, interim measure intended to be replaced by an international agreement on the taxation of the digital economy. The two international tracks:

OECD Pillar One: the OECD's Pillar One framework would reallocate a portion of the profits of the world's 100 largest and most profitable companies (including digital platforms) to the market jurisdictions where their users are located. Under the current design, 25% of profits above a 10% profit margin would be reallocated. If implemented, this would allow market countries like the UK to tax a portion of Amazon's, Google's and Meta's profits directly -- the economic rationale that drove DST. Negotiations have been ongoing since 2019 but remain stalled due to US opposition, with the US Congress unwilling to ratify the treaty changes required. As of June 2026 there is no implementation timeline for Pillar One.

US-UK trade tensions: the US government has treated UK DST as a discriminatory measure targeting US companies. Section 301 investigations by the Office of the US Trade Representative (USTR) have concluded that DST unfairly burdens US digital companies. The Trump administration threatened retaliatory tariffs in 2025. The UK government has maintained its position that DST applies on a non-discriminatory basis to any qualifying company regardless of origin, and that the US companies affected happen to dominate the global digital platform market.

The UK's position as of June 2026 is that DST will be maintained until either a comprehensive multilateral solution (OECD Pillar One or equivalent) is agreed, or a bilateral US-UK arrangement specifically addressing digital taxation is reached as part of a broader trade agreement. No unilateral repeal is planned.

Frequently Asked Questions

What is the UK Digital Services Tax and who does it apply to?

The UK Digital Services Tax (DST) is a 2% levy on the revenues that certain large digital businesses generate from UK users. It was introduced by Finance Act 2020 and applies from 1 April 2020. The tax applies to businesses that provide social media services, internet search engines, or online marketplaces to UK users, and that exceed both: (1) £500 million in global revenues from in-scope activities in the relevant year; and (2) £25 million in UK revenues from in-scope activities. DST is charged on the UK revenues above the £25 million threshold, so only revenues above that floor are subject to the 2% charge.

What are the three categories of in-scope digital activities?

The three categories are: (1) Social media services -- platforms that facilitate interaction between users and allow users to share content (Facebook/Meta, TikTok, Snapchat, Twitter/X, LinkedIn). (2) Internet search engines -- platforms that enable users to search the internet and return results that include links to third-party sites (Google Search, Bing, Yahoo). (3) Online marketplaces -- platforms that facilitate the sale of goods or services between users (Amazon Marketplace, eBay, Airbnb, Uber). Each category has specific statutory definitions. Streaming services (Netflix, Spotify), financial services platforms, and B2B software are generally outside scope -- the defining feature of in-scope activities is the facilitation of user-to-user or user-to-third-party transactions.

How is DST calculated on UK revenues?

DST is calculated as 2% of UK revenues from in-scope activities above the £25 million de minimis threshold. The calculation has three stages: (1) identify total in-scope revenues from the UK (broadly, revenues attributable to UK users based on where the user is located or where the activity takes place); (2) subtract the £25 million annual allowance (shared across a group); (3) apply 2% to the net amount. Example: a platform with £200 million UK digital revenues pays DST on £175 million (£200m minus £25m allowance), giving a DST bill of £3.5 million. The £25 million allowance is shared among group entities that are jointly liable for DST, so each group has only one allowance regardless of how many entities are in scope.

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How does DST differ from VAT on digital services?

DST and VAT on digital services are separate and cumulative obligations. UK VAT on digital services -- under the "place of supply" rules -- applies to B2C digital services supplied to UK consumers at 20%. DST is not a VAT but a standalone revenue-based levy. The key differences: VAT is an output tax charged on the consumer (with input VAT recovery for businesses), whereas DST is a direct charge on the digital platform's revenues with no deductibility mechanism for the customer. DST is charged at 2% of qualifying revenues; VAT is charged at 20% of the supply value. A digital platform subject to both VAT and DST must comply with both regimes independently. DST is also not reclaimable and is a non-deductible cost for the purposes of computing profits subject to corporation tax.

Is DST deductible for corporation tax purposes?

No. DST is explicitly non-deductible for UK corporation tax purposes under the Finance Act 2020. This was a deliberate policy choice -- the government did not want businesses to reduce their CT base by the DST charge. The non-deductibility increases the effective cost of DST. For a company subject to 25% CT, a £10 million DST charge would, if deductible, have saved £2.5 million in CT. The non-deductibility means the full £10 million is an additional cost with no CT offset. This distinguishes DST from most other business taxes (employer NI, business rates, and most levies are deductible for CT).

How is DST reported and paid to HMRC?

DST operates on an accounting period basis aligned with the company's financial year. The group entity responsible for DST must register with HMRC and file an annual DST return within 12 months of the end of the accounting period. Payment is due at the same time as the return. There is no quarterly instalment payment obligation for DST (unlike large company CT instalment payments). The group must appoint a "responsible member" for DST compliance -- typically the UK parent or the entity with the most significant UK in-scope revenues. HMRC can enquire into DST returns within 5 years of the filing deadline, and penalties for late filing and payment mirror standard HMRC penalty provisions.

Which companies are currently paying UK DST?

DST applies exclusively to very large global digital businesses meeting the £500 million global and £25 million UK revenue thresholds. In practice the tax applies to a small number of US technology giants -- primarily Meta (Facebook), Google (Alphabet), Amazon, Apple (App Store and certain services), Microsoft (LinkedIn, Bing), X (formerly Twitter) and a handful of other large platforms. HMRC does not publish a list of registered DST payers. The government estimated DST would raise approximately £350 million per year when introduced; actual revenues have been higher, with HMRC reporting DST receipts of over £700 million for 2022/23 as digital advertising revenues grew strongly post-pandemic.

How does DST interact with the OECD Pillar One global tax negotiations?

UK DST was always intended as a temporary measure pending an international solution. The OECD's Pillar One framework -- which would allocate a portion of the profits of the largest digital and consumer-facing companies to market jurisdictions where their users are located -- was designed to replace unilateral digital taxes like UK DST, French DST, and the EU's proposed Digital Services Levy. However, Pillar One negotiations have stalled repeatedly since 2021, and as of 2026 the regime has not been finalised or implemented. The UK government has stated it would repeal DST when a comprehensive OECD solution is agreed and implemented but has no plans to unilaterally repeal DST in the absence of that agreement.

What is the status of US-UK trade negotiations regarding DST?

US digital companies (Google, Meta, Amazon, Apple) bear the vast majority of UK DST. The US government has consistently argued that DST is discriminatory against US companies and has threatened trade retaliatory measures. The Trump administration formally threatened 25% tariffs on UK imports in 2025 in response to DST, though these were not implemented. As part of broader US-UK trade relationship discussions in 2025 and 2026, DST has been a recurring point of contention. The UK government has maintained that DST is a temporary measure pending OECD reform and that it applies to all qualifying businesses regardless of nationality. No formal commitment to repeal DST has been made in the context of US-UK trade talks as of June 2026.

Does DST apply to online advertising revenues?

DST applies to revenues from the provision of in-scope digital services, not to advertising revenues as a separate category. However, advertising revenues generated on in-scope platforms are included in the DST calculation because they are generated from the social media, search or marketplace activity. The revenue attribution rules are complex: for search engines, the revenue attributable to UK users is broadly the advertising revenue generated from searches by UK users. For social media platforms, it is the advertising revenue attributed to UK users based on their location and activity. For marketplaces, it is the commission, listing fees and other fees from UK transactions.

Are non-UK companies subject to DST on their UK revenues?

Yes. DST is a destination-based tax -- it applies to revenues generated from UK users regardless of where the digital platform is headquartered or where the revenue is received. A US, Irish, Dutch or other overseas company providing social media, search or marketplace services to UK users must assess its UK DST liability if it meets the global (£500 million) and UK (£25 million) thresholds. The UK's ability to enforce DST against overseas companies relies primarily on self-assessment and the compliance of large multinationals, supplemented by HMRC information exchange under the Common Reporting Standard and bilateral tax treaties.

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About the author

Emma Clarke

UK Tax Writer

Emma Clarke has been writing about UK personal tax since 2018, with a particular focus on Self Assessment, PAYE coding and the practical mechanics of how HMRC actually applies the rules to ordinary salaries. Her work concentrates on translating the dense language of HMRC manuals and Finance Act schedules into worked examples that show, pound by pound, how income tax and National Insurance reduce a gross salary to the figure that lands in a UK bank account. Emma covers the full PAYE lifecycle: tax codes (1257L, BR, K codes, emergency codes), the Marriage Allowance, the High Income Child Benefit Charge, salary sacrifice arrangements and their effect on pensionable pay, the Apprenticeship Levy, and the differences between the rUK and Scottish income-tax regimes. She is particularly interested in the edge cases that catch PAYE employees out — the £100,000 personal-allowance taper, the 60% effective marginal rate it creates, and the interaction between student-loan plans and pension contributions. Every figure in Emma's articles is verified against the current HMRC rates pages and worked through a Self Assessment calculation by hand before publication. She writes to CalcHub's editorial standards: primary-source citations, plain English, no promotional language, and clear "this is general information, not financial advice" disclaimers where appropriate.

Personal-finance writer since 2018
UK tax specialism — PAYE, Self Assessment, National Insurance
Writes to CalcHub editorial standards (primary-source citation, annual review)

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Last updated: 10 June 2026How we verify

Disclaimer: This guide reflects UK DST rules as of June 2026. DST is a rapidly developing area: the OECD Pillar One negotiations, US-UK trade discussions, and potential legislative amendments may materially change the regime. UK DST compliance requires specialist digital tax advice for groups meeting or approaching the thresholds. See gov.uk DST guidance for current official rules.