Why You Shouldn’t Rely on AI for Tax Advice – Speak to a Qualified Accountant Instead

Posted on 28th September 2025

Artificial intelligence (AI) has quickly become a valuable tool for small businesses. From automating admin tasks and managing bookkeeping to improving customer service, AI can save time and provide useful insights.

But when it comes to one critical area—tax advice—AI is no substitute for a qualified accountant.

A recent survey by Taxfix revealed that 59% of Brits are considering using AI to help with their tax return before HMRC’s 31st January deadline. While it may sound convenient, relying on AI tools like ChatGPT for your tax queries could cost you more than you think.

At Bidwell Accountancy Ltd, based in Milton Keynes, we help small businesses, sole traders, and limited companies navigate tax rules with confidence. Here’s why speaking to a professional accountant is always the safer, smarter option.

1. UK Tax Is Complex and Personal

The UK tax system is detailed and highly specific. To provide accurate advice, an adviser needs to understand your full financial picture—something AI simply cannot do from a single prompt. A wrong answer could lead to missed reliefs, penalties, or even HMRC investigations.

2. UK Rules Differ From Other Countries

AI tools often lean towards US tax law unless you’re extremely specific in your request. This means you could be given advice that doesn’t apply to your situation as a UK taxpayer. As local accountants, we ensure everything we do is based on the latest UK legislation and HMRC requirements.

3. AI Can Be Misleading

AI systems sometimes generate what are known as “hallucinations”—answers that sound convincing but are factually incorrect. With something as important as your tax return, mistakes like this can be costly. A qualified accountant ensures accuracy and compliance every time.

4. Professional Tax Advice Is Tailored to You

Unlike AI, a tax adviser can provide bespoke, human advice. We look at your specific business, your industry, and your personal financial circumstances. Beyond compliance, we also help with tax planning, identifying reliefs, and improving your cashflow.

AI + Accountants: The Best of Both Worlds

AI has its place in business, and at Bidwell Accountancy we use the latest tools to streamline our work and keep costs down for clients. But when it comes to something as important as your tax return, professional knowledge and experience are irreplaceable.