If you’re reading this on Saturday, 21st of March 2026, I have some news that might make your morning coffee taste a bit sharper. We are exactly 16 days away from a significant shift in the UK tax landscape for every retiring accountant and practice owner in the country.
I’m Peter Watson, and for years I’ve been helping professionals navigate the world of accountancy mergers & acquisitions. Usually, my advice focuses on finding the right cultural fit or cleaning up your recurring fees. But today, the conversation is dominated by one thing: the calendar.
On April 6, 2026, the Business Asset Disposal Relief (BADR) rate is officially jumping from 14% to 18%. While a 4% increase might not sound like a deal-breaker on paper, when you apply that to a lifetime’s work and a million-pound practice valuation, the numbers get very real, very fast.
The Financial Reality of the April 2026 "Cliff Edge"
Let’s skip the jargon and look at the cold, hard cash. Under the current rules (until the end of this month), if you sell your practice and achieve a £1 million qualifying gain, your tax bill stands at £140,000. From April 6th, that same gain will cost you £180,000.
That is a £40,000 difference. For many of the owners I speak with, that’s a year of retirement travel, a significant gift to grandchildren, or simply the "peace of mind" fund that makes the exit worthwhile.
As an accountancy broker, I’ve seen a massive surge in owners looking for accountancy practices for sale listings to gauge where they fit, but many are realizing that the "wait and see" approach of 2025 has turned into a "now or never" scenario for 2026. If you haven't started your practice sale process yet, you’re likely looking at the post-April landscape, but that doesn't mean you should panic. It means you need to be smarter about your acquisition strategy.

Why Timing is More Than Just Tax
While the tax hike is the headline, the timing of your accountancy practice merger or sale involves more than just a calculation for HMRC.
Currently, accountancy practice buyers are incredibly active. There is a huge appetite for firms with clean data, strong recurring fees, and a modern tech stack. However, as we approach this tax deadline, the market is experiencing a "bottle-neck" effect.
If you are a retiring accountant looking to sell accountancy practice assets, you’re competing for the attention of the best buyers. These buyers are currently flooded with opportunities. This is where a proper Accountancy Practice Valuation becomes your best friend. In a crowded market, a practice that is priced realistically and presented professionally will always move faster than one that is "testing the water."
Understanding Your Practice Valuation in 2026
When I sit down with a client to discuss a practice valuation, we look at the core metrics that move the needle in the UK market. It’s not just about the 1x or 1.2x multiple anymore. Buyers are looking for:
- Fee Consistency: Are your recurring fees actually recurring? Buyers want to see long-term stability, not a series of one-off projects.
- Staff Continuity: If you’re the only person the clients know, the acquisition is riskier.
- The "Tech" Premium: A bookkeeping business for sale that is fully cloud-based is worth significantly more than a traditional paper-heavy firm.
If you’re worried you’ve missed the 14% BADR window, the goal now is to maximize your valuation to offset the tax increase. If I can help you add £50k–£100k to your sale price through better preparation and finding the right buyer, that 4% tax hike becomes a lot easier to swallow.
Navigating Accountancy Mergers and MBOs
Not every exit is a clean break to a third party. I’m seeing an increase in practice mergers UK wide, where smaller firms are joining forces to create more robust entities before a final sale.
There’s also the option of an internal buyout or a Management Buyout (MBO). While these can be tax-efficient, they often take longer to execute than a straight sale to one of our vetted accountancy practice buyers. If you are considering a practice acquisition or a merger, the most important thing is to have a clear heads-of-terms agreement early.

The Personal Side of the Sale
At Bains Watts, we aren't a corporate call center. When you reach out, you talk to me, Peter Watson. I know that selling a firm you’ve built over twenty or thirty years isn't just a financial transaction: it’s emotional.
You’re worried about your staff. You’re worried about the clients who have been with you since day one. You want to make sure that the person who decides to buy a practice from you is going to treat your legacy with respect.
That’s why I focus on the "fit" as much as the figures. Whether it's a small bookkeeping business for sale or a multi-partner accountancy practice merger, the chemistry between buyer and seller is what makes or breaks a deal in the long run.
Is it Too Late to Act?
If you want to beat the April 6th deadline, the window is effectively shut for a full, new sale process. However, if you are already in negotiations, now is the time to push for completion.
If you are just starting to think about it, your focus should be on the 2026/2027 financial year. The 18% rate will be the new reality, but the market for practice for sale UK opportunities remains incredibly strong. With interest rates stabilizing and the demand for high-quality advice increasing, your practice is still a highly valuable asset.
Don't let the tax changes paralyze you. A well-planned exit at 18% tax is always better than a rushed, poorly negotiated sale at 14%.
How I Can Help
I specialize in helping accountants find the right exit strategy. Whether you are looking to buy accountancy practice units to grow or you’re ready to hang up the calculator, I provide the expert guidance you need to ensure your Accountancy Practice Valuation is where it needs to be.
We look at:
- Identifying the right accountancy brokers and buyers.
- Structuring the practice sale to be as tax-efficient as possible under the new 2026 rules.
- Ensuring a smooth transition for your clients and team.
The landscape has changed, but the opportunity for a successful exit hasn't. It just requires a more tactical approach and a bit of expert steering.

Final Thoughts for the Retiring Accountant
The 2026 BADR changes are a reminder that the only constant in our industry is change. If you’ve spent your career advising clients on how to manage their risks and plan for their futures, it’s time to take a dose of your own medicine.
Don't leave your exit to chance. Let’s look at your numbers, look at the market, and find a path that works for you.
If you want an informal, confidential chat about what your practice might be worth in the current 2026 market, or how to navigate the upcoming tax shifts, I’m here to help.
Ready to discuss your exit?
You can book a call directly into my diary here: https://bookme.name/Peterwatson
Let's make sure you get the value you deserve for the years of hard work you’ve put in.
Peter Watson
Director & Practice Sale Expert
Bains Watts Ltd
Looking for more insights? Check out our other guides on ICAEW and ACCA regarding practice management and succession planning in the UK.