Using AI Assistants To Answer Tax Related Questions

Using AI Assistants To Answer Tax Related Questions
Charlotte Baroukh

Charlotte Baroukh

Tax Expert @ Pie

3 min read

Updated: 12 Feb 2026

3 min read

Updated: 12 Feb 2026

Let's break it down...

Confused about AI assistants and UK tax? Learn how HMRC treats AI expenses, VAT implications, and tax deductions for your business or personal use.


AI assistants are changing how we work, but many UK taxpayers aren't sure how to handle them at tax time. HMRC hasn't yet released specific guidance on AI tools and services, leaving many questions unanswered.

 

Whether you can deduct AI expenses depends on your usage pattern and employment status. The tax implications vary significantly based on whether you're creating, using, or just experimenting with AI.


The UK's first personal tax app, Pie tax, helps clarify these emerging tax questions with guidance tailored to your AI usage. Or if you're just here to get to grips with it all, let's break it down!

Are AI Assistant Expenses Tax Deductible?

For businesses and self-employed people, AI assistant subscriptions like ChatGPT Plus or Copilot are usually tax-deductible. This applies when they're used wholly and exclusively for business purposes.


If you use an AI tool for both business and personal tasks, you'll need to calculate a fair split. Only the business portion can be claimed as a legitimate expense.

 

Keep comprehensive records showing how the AI helps your business. Save invoices, screenshots of work it produces, and notes about productivity improvements.


HMRC might question unusually high AI expenses for your industry. Be prepared to demonstrate how the technology directly supports your income-generating activities.

Are AI Assistant Expenses Tax Deductible?

How HMRC Views Different Types of AI Expenses

Monthly subscription fees for AI tools are typically treated as revenue expenses. These are deductible in the tax year you pay them, reducing your taxable profit.


Larger investments in custom AI systems might count as capital expenditure. These get different tax treatment through capital allowances rather than immediate deductions.

 

If you're developing your own AI, research and development costs might qualify for enhanced relief. R&D tax credits can offer valuable advantages for innovative businesses.


Training costs to learn how to use AI tools effectively are usually tax-deductible. This applies when they relate to your current business or profession.

VAT Considerations for AI Services

Most commercial AI services include VAT at 20%. VAT-registered businesses can typically reclaim this as input tax on their VAT returns. When subscribing to AI services from overseas providers, the reverse charge mechanism often applies. This means you account for VAT on your return rather than paying it directly.

 

For mixed business and personal use of AI tools, you'll need to restrict your VAT recovery. Only the business percentage can be reclaimed. Keep VAT invoices for all AI subscriptions, as digital receipts are easily overlooked. I once nearly missed claiming £240 in VAT on my annual AI subscriptions until my accountant flagged it.

VAT Considerations for AI Services

Employment Status and AI Assistants

If you're a contractor or freelancer, using AI tools doesn't automatically affect your IR35 status. However, it might be considered in overall assessments of your working arrangements.Employees whose companies provide AI assistants for home use might face benefit-in-kind tax implications. This becomes relevant if there's significant personal use of the tools.

 

Sole traders using AI to boost productivity shouldn't worry about employment status changes. HMRC generally views this as similar to using other productivity software.However, if AI completely replaces core skills you're hired for, questions might arise. This could potentially impact how your role is viewed in certain tax contexts.

Final Thoughts

The tax rules around AI assistants will continue to evolve as the technology becomes more widespread. HMRC guidance will likely become clearer in the coming years.Maintain detailed records of how you use AI tools professionally. This is especially important for significant expenses that might attract HMRC's attention.When uncertain about the tax treatment of expensive AI systems or development costs, seek professional advice. Early consultation can prevent costly mistakes later.

Final Thoughts

Pie.tax: Simplifying AI Assistants Tax Questions

Getting your head around AI and tax doesn't have to be complicated or stressful. Pie.tax offers straightforward guidance specifically designed for professionals using new technologies.The UK's first personal tax app automatically categorises your AI subscriptions correctly. This ensures nothing gets missed when it's time to file your tax return.

 

Our smart tax assistant can help identify which AI expenses you can legitimately claim. It also flags potential issues before they become problems with HMRC.We stay updated on emerging tax guidance around new technologies like AI assistants. This means you'll always have the most current information at your fingertips.Explore the Pie.tax app today if you'd like to see how we take the uncertainty out of new technology tax questions.

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