Can I Claim That? 5 Common Expense Traps Tripping Up UK Directors

Author: Phillips & Co Accountants, Chester

Date: 01 June , 2026

Cloud accounting software like Xero and FreeAgent has made it easier than ever to manage your business finances. But while clicking “reconcile” is simple, the underlying tax rules are anything but.

Every week at Phillips & Co Accountants, we review client bookkeeping and catch well-intentioned mistakes that would instantly fail an HMRC inspection. HMRC operates on the strict principle that an expense must be “wholly and exclusively” for the purpose of your trade to be allowable for Corporation Tax.

To help you keep your accounts compliant—and keep HMRC off your back—here are five of the most common expense traps we see directors fall into, and how to avoid them.

1. The “Staff Entertaining” Myth for Sole Directors
It is a well-known tax rule that you can spend up to £150 per year, per employee, on staff entertaining (like a Christmas party or summer dinner) as a tax-free benefit. The company gets Corporation Tax relief, and you can recover the VAT.

The Trap: If you are a sole director with no other employees, HMRC does not allow you to claim this. HMRC’s view is that a sole director cannot “entertain themselves” or their spouse for business welfare purposes under this specific exemption. If you put a Friday night dinner at Nando’s or Opera Grill through the company, it cannot be categorised as an allowable staff entertaining expense, and you absolutely cannot reclaim the 20% VAT.

2. The Gym Membership Benefit-in-Kind
Taking care of your health is important, but HMRC does not view it as a business necessity.

The Trap: Directors often set up their personal gym or health club subscription (like Nuffield Health or David Lloyd) to be paid directly from the company bank account, categorizing it as “Subscriptions” and sometimes even attempting to reclaim the VAT.

The Reality: Individual gym memberships are a personal lifestyle expense. If the company pays for it, it does not reduce your Corporation Tax bill. Furthermore, it triggers one of two tax headaches:
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It must be recorded as a Benefit in Kind (P11D), meaning you will pay personal Income Tax on the value, and the company will pay 15% Class 1A National Insurance on it.
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Or, the payment must be allocated to your Director’s Loan Account (DLA) as a personal drawing, meaning it is treated as money you owe back to the company (and you cannot reclaim the VAT).

3. The “Auto-20%” VAT Assumption
If your business is VAT registered, recovering VAT on your purchases is crucial for cash flow. However, assuming everything carries 20% VAT is a fast track to HMRC penalties.

The Trap: Software auto-rules often default to 20% VAT. We frequently see clients inadvertently reclaiming VAT on items that are actually zero-rated or exempt. Common culprits include:

Milk & Groceries: (e.g., Creamline Dairies or office milk deliveries) – Most basic food and drink items are zero-rated for VAT.

Travel: Train tickets and flights carry 0% VAT.

Postage: Royal Mail stamps are exempt from VAT.

Accountancy Fees: (Unless your accountant is VAT registered, in which case you should be claiming it! Make sure to check the invoice).

The Fix: Never guess. Always check the physical receipt or PDF invoice. If it does not explicitly state a VAT breakdown or show a VAT registration number, change the tax rate to 0% in your software.

4. Client Entertaining
Taking a prospective client out for coffee or lunch feels like a completely normal business expense.

The Trap: While you can pay for client entertaining through the business bank account, it is not an allowable expense for Corporation Tax, and you cannot reclaim the VAT.
You must categorize these transactions strictly as “Business Entertaining.” Your software will naturally disallow the tax relief, ensuring your trading profit remains accurate at year-end. If you hide these under “Travel” or “Meetings,” HMRC will re-categorize them and issue penalties for underpaid tax.

5. Everyday Clothing and “Suits”
You want to look professional for your clients, so you buy a nice suit or some high-end everyday wear for the office.

The Trap: HMRC strictly prohibits claiming everyday clothing as a business expense, even if you only wear it to work.
To be tax-deductible, clothing must be either:

Protective clothing (e.g., steel-toe boots, high-vis jackets).

A recognisable uniform (e.g., a polo shirt permanently embroidered with your company logo).

If you can theoretically wear it down the pub on a Saturday, HMRC applies the “dual-purpose” rule and says you cannot claim it.

The Bottom Line
When it comes to HMRC, ignorance is not an excuse. Putting personal or non-allowable expenses through your limited company can lead to artificially inflated profits, incorrect VAT returns, and hefty fines down the road.

If you are unsure whether an expense is allowable, the safest route is to ask a professional before you click reconcile.

Need a second set of eyes on your bookkeeping?
At Phillips & Co Accountants, we don’t just file your returns; we actively review your data to ensure you are highly tax-efficient while remaining 100% compliant.

Contact us today to find out how we can help you Keep More, and Stress Less.

Disclaimer: The information contained in this article is for general guidance only and does not constitute bespoke tax or financial advice. Tax rules (and HMRC’s interpretation of them) are subject to change. Always consult with a qualified accountant regarding your specific circumstances before taking action.