Tallia
AI-driven research and drafting platform for tax professionals and advisors to streamline workflows and improve accuracy.
Tallia is a fintech company based in London, GB, founded in 2025. It has raised $4.49 million in disclosed funding. Its latest round was a Seed of €4 million in November 2026.
Overview
Tallia provides an AI-powered platform specifically designed for tax research, document drafting, and collaborative review [0, 1]. Developed by London-based Revax Technologies Limited, the software integrates with tax authority guidance, legislation, and case law to offer traceable, cited answers to complex tax questions [0, 3]. The tool aims to help tax professionals—such as accountants and advisors—prepare advice faster while expanding their scope of work [0, 3]. The platform features engagement-specific workspaces for document management, research notes, and collaborative review, supporting workflows across more than 35 jurisdictions [0, 1]. Tallia emphasizes data security and privacy, holding ISO 27001 certification and SOC 2 Type II audit compliance, with a strict policy against using client data for model training [0]. The company reports that users save an average of five hours per fee earner each week [0]. Founded in 2025, Tallia has raised seed funding of approximately $4.48 million to scale its operations and product development.
Funding
Total disclosed: $4.5M across 1 round. Computed only from sourced rounds.
| Date | Company | Amount | Stage | Lead | Other investors | Sector | Sources |
|---|---|---|---|---|---|---|---|
| €4M | Seed | Outward VC, Institute of Chartered Accountants in England and Wales | Portfolio Ventures +3 | Fintech | 1 |
Nov 3 · Seed
Tallia€4MLed by Outward VC, Institute of Chartered Accountants in England and Wales · with Portfolio Ventures, +3
Investors
Questions and answers
What does Tallia do?
AI-driven research and drafting platform for tax professionals and advisors to streamline workflows and improve accuracy.
How much has Tallia raised?
Tallia has raised $4.49 million in disclosed funding across 1 round tracked by OSH.
Who has invested in Tallia?
Investors in Tallia include Outward VC, Institute of Chartered Accountants in England and Wales, Portfolio Ventures, Expedite Capital, Paul Forster and 1 more.
When and where was Tallia founded?
Tallia was founded in 2025 and is based in London, GB.
Timeline
Founded
Sources
- 1.Tallia raises €4 million to bring AI-powered research and review to tax firms — EU-Startups, Nov 3, 2026
- 2.Tallia · Official
- 3.Tallia · Official
- 4.Tallia · Official
- 5.Tallia · Official