The new UK tax year began on 6 April 2026, bringing a number of changes that are likely to affect a wide range of membership bodies, including professional associations, learned societies, trade bodies and member clubs.
While much of the commentary around these changes focuses on businesses in general, several of the updates have particular relevance to the way membership organisations are structured, how they generate income and how they employ staff.
Here is what has changed, and what it means for your organisation:
1. HMRC List 3 has been updated - Could your members be claiming tax relief on their subscription?
If you are a professional body or learned society, your status on HMRC’s List 3, the approved list of professional bodies and learned societies, can be a valuable member benefit.
If your organisation is on the list, members who pay their own annual subscription may be able to claim income tax relief, provided membership is relevant to their job. If an employer pays the subscription on the member’s behalf, there is generally no taxable benefit in kind where the organisation is included in List 3. In those cases, the member cannot also claim personal tax relief on the same subscription (source: UK Government).
HMRC updated List 3 on 31 March 2026, so it is worth checking your current status and making members aware, if applicable.
2. Employment law changes could mean increasing costs for membership organisations
One significant employment change came into force on 6 April 2026, and another major cost pressure introduced in April 2025 continues to affect employers in 2026/27. Collectively, their combined impact is worth understanding clearly.
Statutory Sick Pay has been reformed. The three-day waiting period is gone and SSP is now payable from the first full day of sickness absence. The Lower Earnings Limit for eligibility has also been removed, meaning more part-time and lower-paid workers may now qualify for SSP. The new rate is the lower of 80% of average weekly earnings or the standard £123.25 per week.
Employer National Insurance remains at 15%, with the Secondary Threshold at £5,000. Since its introduction in April 2025, the structure has continued to affect organisations with part-time or lower-paid staff more than those with higher-salaried workforces.
Membership organisations often rely on exactly the kind of workforce that is most affected: part-time administrators, events staff, and support roles. Unlike commercial businesses that can absorb rising employment costs through pricing, a membership body faces a more direct trade-off: increase subscription fees, reduce services, or absorb the cost. All three have member retention implications.
3. CT600 filing has changed - the free HMRC service is gone
HMRC’s free online service for filing Corporation Tax returns closed on 31 March 2026. From 1 April 2026, companies should use commercial software to file CT600 returns, except in limited cases where paper filing is allowed.
For organisations with dedicated accounting support, this change may have little practical impact. However, smaller incorporated membership bodies, such as local branches, specialist societies and regional associations, may be more affected if they have previously relied on HMRC’s free filing tool. Those organisations should make sure commercial software is in place before their next filing deadline.
There is also greater urgency now, as late-filing penalties for Company Tax Returns increased for returns whose filing date is on or after 1 April 2026. If your next CT600 deadline is approaching and you have not yet put an alternative filing method in place, it is worth addressing as soon as possible.
4. Your self-employed members may now be subject to Making Tax Digital
Making Tax Digital for Income Tax now applies from 6 April 2026 for sole traders and landlords whose qualifying income was over £50,000 in the 2024/25 tax year. Those in scope must keep digital records and use compatible software to send quarterly updates to HMRC and submit their tax return.
Many professional associations and trade bodies represent members who are sole traders, freelancers or consultants. For those members, this is a meaningful operational change that goes beyond tax filing. It requires more regular digital record-keeping and engagement with financial information throughout the year.
Your membership organisation can add genuine member value here. Profession-specific guidance on what Making Tax Digital means in practice for your members’ working patterns can help make the change clearer and more manageable.
5. New subscription contract rules are on the horizon - preparation starts now
Alongside the April tax changes, membership organisations need to be aware of incoming consumer protection rules under the Digital Markets, Competition and Consumers Act 2024 (DMCCA), expected to come into force later in 2026.
These rules apply to any organisation with UK individual members who are billed automatically, and at their core they require organisations to make it as easy to leave as it was to join.
We recently published a news article with more information on what the upcoming DMCCA changes mean and how to prepare:
Preparing for the DMCCA 2026: New UK Subscription Laws for Membership Bodies
What the 2026 tax and regulatory changes mean for membership organisations
These updates point to a changing operating environment for membership organisations in 2026. Tax relief, employment costs, corporation tax filing, Making Tax Digital and upcoming subscription law reforms all affect either the value you offer members or the way your organisation runs behind the scenes. Some of these changes require immediate action, while others are a prompt to review your processes before they become a problem.
For membership bodies, the priority now is to stay ahead of what has changed, communicate clearly with members where relevant, and make sure your internal systems are fit for purpose. Organisations that respond early will be in a stronger position to manage risk, protect member value and avoid unnecessary administrative pressure as the year progresses.
This article is intended as a general overview and does not constitute tax or legal advice. We recommend speaking with a qualified adviser about how these changes apply to your specific organisation.
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FAQs on 2026 tax and regulatory changes for UK membership organisations
What is HMRC List 3 and how does it benefit membership organisation members?
HMRC’s List 3 is the list of approved professional bodies and learned societies whose annual subscriptions may qualify for income tax relief. If your organisation is on the list, members who pay their own subscription may be able to claim tax relief, provided membership is relevant to their job.
How far back can qualifying members claim tax relief on their membership subscription fees?
Members can backdate claims for up to four previous tax years.
Does Making Tax Digital for Income Tax affect membership organisation members?
It may. From 6 April 2026, sole traders and landlords with qualifying income over £50,000 for the 2024/25 tax year must use Making Tax Digital for Income Tax. Members who are sole traders, freelancers, or self-employed consultants may therefore be affected.
What has changed with CT600 filing for membership organisations in 2026?
HMRC’s free online service to file your accounts and Company Tax Return closed on 31 March 2026. From 1 April 2026, CT600 returns should be filed using commercial software, except in limited cases where paper filing is allowed.
How do the new Statutory Sick Pay rules affect membership organisations?
From 6 April 2026, Statutory Sick Pay is payable from the first full day of sickness absence rather than after a three-day waiting period, and the Lower Earnings Limit for eligibility has been removed. This means more staff, including part-time and lower-paid workers, may now qualify for SSP. For membership organisations with a larger proportion of part-time or lower-paid staff, this may increase employment costs.
What should membership organisations do now?
Membership organisations should start by reviewing which of these changes apply to their structure, workforce and members. That may include checking HMRC List 3 status, preparing for CT600 filing through commercial software, assessing the effect of SSP and employer National Insurance costs, and identifying whether members may need guidance on Making Tax Digital. It is also sensible to review renewal and cancellation processes now, ahead of the upcoming DMCCA subscription rules. Early preparation will make it easier to manage risk, communicate clearly with members and avoid unnecessary administrative pressure later in the year.