Challenge
TaxNav, a London-based company, needed HMRC-recognised Making Tax Digital for Income Tax software ready before the April 2026 deadline. The product had to be simple enough for people with no accounting background to use, while meeting HMRC's technical and compliance requirements.
TaxNav, a London-based company, needed HMRC-recognised Making Tax Digital for Income Tax software ready before the April 2026 deadline. The product had to be simple enough for people with no accounting background to use, while meeting HMRC's technical and compliance requirements.
Solution
We built the software against the official HMRC specification, with a dedicated engineer testing against HMRC's scenarios. Users import their data from Excel, Google Sheets or Apple Numbers. Navi, the built-in AI assistant, answers only from a verified knowledge base. From Q1 2025 we also added GA4 and Mixpanel tracking, automation, content, email and paid campaigns as Fractional CMO / Strategic Marketing support.
We built the software against the official HMRC specification, with a dedicated engineer testing against HMRC's scenarios. Users import their data from Excel, Google Sheets or Apple Numbers. Navi, the built-in AI assistant, answers only from a verified knowledge base. From Q1 2025 we also added GA4 and Mixpanel tracking, automation, content, email and paid campaigns as Fractional CMO / Strategic Marketing support.
Results
The product is live and HMRC-recognised, and it was delivered ahead of the April 2026 deadline. Hundreds of people use it to submit their tax returns. The engagement is ongoing, covering both Custom Software Development and Fractional CMO / Strategic Marketing since September 2024.
The product is live and HMRC-recognised, and it was delivered ahead of the April 2026 deadline. Hundreds of people use it to submit their tax returns. The engagement is ongoing, covering both Custom Software Development and Fractional CMO / Strategic Marketing since September 2024.