Meet TIA: Your Tax Investigation Assistant

The AI-powered assistant designed specifically for accountants and tax professionals. Get instant, accurate answers to complex VAT, Corporation Tax, and Private Client Tax queries.

"We are very pro-TIA!"

- HaysMac

"We found this bot to be much better than competitors, giving us accurate answers to the most complex of tax queries"

- WBG

"We use TIA in our day to day workflow to help us quickly gather references to everyday issues, saving us time."

- Johnston Smilie

Why Tax Professionals Choose TIA

UK Tax Expertise

Trained specifically on UK tax legislation including VAT, Corporation Tax, and Private Client Tax. TIA understands the nuances and complexities of British tax law.

Enterprise Security

Bank-level security with Microsoft authentication, ensuring your sensitive client data and tax queries remain completely private and protected.

Tax Investigation Ready

Get precise guidance on HMRC investigations, compliance requirements, and tax dispute resolution. TIA helps you navigate complex investigation scenarios with confidence.

Practice Collaboration

Perfect for accounting practices with multi-user support, role management, and centralized billing. Share knowledge and insights across your entire team.

24/7 Tax Support

Never wait for tax answers again. TIA provides instant responses to urgent tax queries, helping you meet deadlines and serve clients efficiently around the clock.

Practice Intelligence

Gain insights into common tax queries, track team knowledge gaps, and improve your practice's efficiency with detailed analytics and reporting.

Choose Your TIA Plan

Monthly Plan

£50
per user/month + VAT
  • Unlimited tax queries
  • UK Tax Expertise
  • Microsoft SSO Login
  • Secure Data Management
  • Professional Support
  • 99.9% uptime guarantee
  • Multi-user collaboration
  • Practice analytics
Get Monthly Plan

No setup fees • Cancel anytime

Save £50

Annual Plan

£550
per user/year + VAT
  • Everything in Monthly Plan
  • Save £600 per user per year
  • Priority support
  • Advanced analytics
  • Custom integrations
  • Dedicated account manager
  • Annual strategy sessions
  • Early access to new features
Get Annual Plan

Billed annually • Cancel anytime