1 October 2026
By Martin Hobson, Partner, Professional Services Team, Clive Owen LLP
The recent UK Supreme Court judgment in HMRC v BlueCrest Capital Management (UK) LLP is, in my view, the most significant development in LLP taxation since the salaried members rules were introduced in 2014.
While the decision provides welcome clarity in some areas, it also raises important questions for many professional firms operating as Limited Liability Partnerships. For legal practices, accountancy firms, PR firms, consultants and other LLPs, now is the right time to review whether existing remuneration and governance arrangements still support the intended tax treatment of members.
The salaried members legislation was introduced to prevent individuals who are, in reality, employees from benefiting from the more favourable tax treatment associated with self-employment. Under the legislation, an LLP member is treated as an employee for tax purposes if three statutory conditions are all met.
These conditions assess whether the majority of a member’s remuneration amounts to disguised salary, whether they have significant influence over the affairs of the LLP, and whether they have made a sufficient capital contribution relative to their expected remuneration.
In the BlueCrest case, there was no dispute that the first and third conditions were satisfied. The key issue was the second condition – whether the members concerned exercised “significant influence” over the affairs of the LLP and the Supreme Court ultimately concluded that they did not.
For me, the most important aspect of the judgment is the Court’s interpretation of what ‘significant influence’ actually means. It confirmed that such influence must arise from legally enforceable rights and responsibilities contained within the LLP agreement, or delegated under powers created by that agreement. Informal influence, professional seniority, technical expertise or commercial importance to the business are not enough on their own.
That represents a much narrower interpretation than many firms have relied upon in the past. Historically, some LLPs have looked at how a member operates within the business when assessing whether they had significant influence. The Supreme Court has made it clear that this is no longer sufficient.
In practical terms, if an LLP wishes to rely on the significant influence exemption, those governance rights need to be clearly documented within its legal framework. The wording of the LLP agreement has become considerably more important.
I don’t believe this judgment means firms need to undertake wholesale restructuring. However, it should encourage them to revisit whether their existing arrangements genuinely reflect how members are remunerated and how decisions are made.
In particular, firms should consider whether profit-sharing arrangements are genuinely linked to the overall performance of the LLP rather than predominantly to individual or team performance. They should also review whether governance rights are appropriately documented, whether members’ capital contributions remain sufficient under the legislation, and whether different classes of members have remuneration structures that accurately reflect their responsibilities and commercial risk.
Many professional firms now have a range of member categories, from equity partners to fixed-share and junior partners. The BlueCrest ruling reinforces the importance of ensuring these distinctions are supported by robust legal documentation as well as day-to-day practice.
Ultimately, the judgment is a reminder that tax status is determined not simply by how a business operates in reality, but by the legal rights and obligations that underpin those arrangements.
For LLPs that have not revisited their agreements since the salaried members rules came into force more than a decade ago, the BlueCrest decision provides a timely opportunity to review whether their governance and remuneration structures remain fit for purpose.
As LLP ownership models continue to evolve, I expect the judgment to become an important benchmark for firms and advisers alike. Those who take the opportunity to review their arrangements now will be better placed to understand the implications of the ruling and ensure their structures continue to reflect both the legislation and the way their business is intended to operate.
