HMRC Probes BCG Over Employment Status of UK Partners

HMRC is examining whether some UK partners at Boston Consulting Group should be taxed as employees rather than self-employed members, a BCG HMRC tax probe that tests the salaried member rules in force since April 6, 2014.

The tax authority has not announced the enquiry, and the scope has not been made public. No tax years, no amounts and no number of partners have been disclosed, and BCG has not published a statement setting out its position.

That gap matters for how the story should be read. HMRC is bound by law to keep taxpayer information confidential and does not normally comment on individual cases, so a confirmed enquiry would not ordinarily be announced by the department.

For finance professionals the issue reaches well beyond one consultancy. Any firm run as a limited liability partnership (LLP) has to decide which of its members are genuine partners and which are, for tax, employees. The answer sets the PAYE and National Insurance bill, and it can be reopened years later.

What is known about the BCG HMRC tax probe

The enquiry concerns the employment status of partners in BCG’s UK business, which trades through The Boston Consulting Group UK LLP. The question is whether some of those partners meet the statutory tests that would make them employees for tax purposes.

It is not the first dispute between the two. In January 2026 the Upper Tribunal ruled for HMRC in a separate case over payments BCG made to partners on retirement or long service. The tribunal held that the payments were income, not capital gains. It also found that BCG had been careless, which let HMRC use extended time limits against both the LLP and the individual partners.

That case involved 63 managing directors and partners and turned on how partner payments are characterised. The status question is different in kind, but it points to the same pressure on how consultancy partnerships reward and classify senior staff.

Whether the BCG HMRC tax probe is formal, which years it covers and what HMRC could assess if it succeeded are all unconfirmed. Accountio will update this article if BCG or HMRC publishes further detail.

Salaried member rules behind the BCG HMRC tax probe

The rules sit in Schedule 17 to the Finance Act 2014, which inserted section 863A into the Income Tax (Trading and Other Income) Act 2005. They took effect on April 6, 2014.

An LLP member is treated as an employee if all three conditions are met. Condition A is that at least 80% of the amount payable to the member for their services is disguised salary, meaning it is fixed, or varies without reference to the LLP’s overall profits or losses, or is not in practice affected by them.

Condition B is that the member’s rights and duties do not give them significant influence over the LLP’s affairs. Condition C is that the member’s capital contribution is less than 25% of the disguised salary expected in the tax year.

A member who fails any one of the three tests stays self-employed. A member who meets all three is taxed through payroll, with income tax collected under PAYE and Class 1 National Insurance due. Employer National Insurance is charged at 15% above the £5,000 secondary threshold, and that employer cost is the main reason HMRC pursues these cases.

The wider employment status tests are separate. HMRC’s Employment Status Manual sets out the general approach, which looks at control, personal service and mutuality of obligation. Under an LLP structure, though, the statutory salaried member conditions come first.

BlueCrest ruling raises the stakes for partner tax

The most important recent authority is the Supreme Court’s judgment in HMRC v BlueCrest Capital Management (UK) LLP, delivered on July 1, 2026. The court unanimously dismissed the hedge fund manager’s appeal.

The court held that “significant influence” under Condition B cannot rest on informal or de facto influence alone. It must come from legally enforceable rights and duties. The court also held that the test concerns influence over the LLP as a whole, generally at a strategic rather than operational level.

That narrows a defence many LLPs relied on. A senior partner who wins clients, runs engagements and commands respect in the building may still fail Condition B if the members’ agreement gives them no real say in the firm’s direction.

The case returns to the First-tier Tribunal to reconsider its findings on Condition B in light of the judgment. The Supreme Court did not alter the framework for Condition C, which was not in dispute.

Consultancies with large partner groups and tiered partnership structures are the obvious next test. Where some partners hold fixed or largely fixed remuneration, little capital and limited voting power, the conditions can be met even when the title says partner.

What the partner status push means for firms

The practical exposure is a backdated bill. Employer National Insurance and PAYE liabilities can be assessed for earlier years, and the BCG retirement-payments ruling shows HMRC can reach back further where a tribunal finds carelessness.

Accounting practices organised as LLPs face the same analysis. Firms moving to broader employee ownership programmes, or creating new tiers of equity and non-equity partners, should test each tier against all three conditions and record the result.

Three steps follow from the rules and the BlueCrest judgment:

• Check Condition B against the members’ agreement, not against day-to-day behaviour. Voting rights and consent powers need to be written down and enforceable.
• Model Condition A and Condition C for each member. Fixed drawings with no link to firm profit, combined with small capital, are the profile HMRC looks for.
• Keep the employment paperwork current. The practice employment pack covers contracts and policies for staff who are not partners, which is where reclassified members would land.

Advisers handling a client’s response to an HMRC enquiry also need to be properly authorised. The HMRC tax adviser registration kit sets out what a practice needs before acting for a client in tax matters.

Firms outside the UK should note the comparison. The salaried member rules are UK law. In the United States, partner versus employee treatment turns on separate federal tax rules, and in the EU member states apply their own social security tests. A multinational partnership with UK members still has to meet the UK conditions for those members.

What to watch after the HMRC enquiry into BCG

The first signal in the BCG HMRC tax probe will be whether BCG or HMRC confirms the scope: the tax years, the partner group and the amounts. Without that, the size of any assessment cannot be judged.

The second is the First-tier Tribunal’s reconsideration of Condition B in the BlueCrest case, now that the Supreme Court has set the legal test. Its findings will show how far informal influence can still count for anything.

Any new HMRC guidance on how it reads the BlueCrest judgment would also reset the position for every LLP with a salaried tier. Until then, the safest course for partners is to assume the three conditions will be applied to the letter of the members’ agreement.