There’s a growing obsession with automating everything, from writing essays to diagnosing illnesses, and now, apparently, doing your taxes. The rise of AI for tax returns has been marketed as the next big leap in convenience: just feed the numbers in, click a few buttons and out comes a perfect tax filing.
Except it’s not that simple.
The truth is, AI doesn’t “understand” tax, it predicts patterns. It doesn’t read the fine print of new HMRC updates, interpret grey areas in legislation or spot human nuance. It doesn’t ask, “Are you sure this expense qualifies?” or warn you that your property income falls into a different bracket this year. It simply processes data, and when that data is wrong or incomplete, the output is a disaster waiting to happen.
Taxation isn’t just maths, it’s judgment. It’s context. It’s knowing that HMRC guidance and the law can differ, and that one misplaced figure could trigger an audit. Experienced accountants can weigh intent, assess risks and provide clarity when the rules get murky. An algorithm can’t.
Consider real-world examples. Businesses using AI-driven tax software have been caught out by simple oversights, like misclassifying deductible expenses or ignoring recent regulatory changes. These mistakes might seem minor at first, but they can lead to penalties, interest payments and even investigations. Human professionals, by contrast, catch these issues before they become costly problems.
Data privacy is another pressing concern. Using AI platforms often involves uploading sensitive financial information online. While these systems claim to be secure, breaches happen. Accountants adhere to strict professional standards, and confidentiality rules protect your data under UK law. When you rely on AI, there is no personal accountability if your information is compromised.
Moreover, AI lacks adaptability. Tax legislation changes frequently, particularly for digital services, foreign income, and complex business arrangements. Human accountants don’t just react, they anticipate. They understand broader financial contexts, can advise on strategic planning, and provide tailored solutions that no algorithm can replicate.
Then there’s the human element that AI simply cannot mimic: explanation, guidance, and peace of mind. Tax is stressful. Mistakes carry real-world consequences. Having a qualified professional walk you through your returns, answer your questions, and clarify confusing rules is invaluable. AI can generate numbers, but it can’t offer reassurance or reasoning, and it certainly can’t be held accountable.
Using AI for tax returns might save time now, but it could cost you far more later. The convenience of instant calculations comes with hidden risks: errors, misinterpretations, security vulnerabilities, and a lack of personalised advice. The smartest thing you can do with your taxes isn’t to outsource them to a machine—it’s to talk to a human who actually understands them.
At the end of the day, AI is a tool, not a replacement for expertise. It can assist in calculations or automate repetitive tasks, but it cannot replace judgment, experience, or accountability. Until AI can truly grasp the subtleties of UK tax law and act responsibly on your behalf, relying on it exclusively is a gamble too risky to take.
For anyone serious about their finances, the safest, smartest choice remains clear: trust your tax return to a professional, not a piece of software. It’s not just about compliance—it’s about accuracy, security, and peace of mind.