ClauseBase

TLDR

ClauseBase is a Leuven-based legal-tech SaaS platform that was bootstrapped by founder Maarten Truyens, posted 383% growth in Deloitte Fast 50 2025, and was acquired by LawVu (New Zealand).

Overview

ClauseBase was founded and built by Maarten Truyens in Leuven after more than a decade as an IT lawyer. The platform provides legal document drafting and clause management software, enabling lawyers to assemble contracts from structured building blocks rather than drafting from scratch.

The company was bootstrapped from inception and remained 100% founder-owned until acquisition. ClauseBase was acquired by LawVu, a New Zealand-based legal operations platform, as part of LawVu's expansion into contract authoring. The company posted 383% revenue growth in the Deloitte Technology Fast 50 Belgium 2025.

Key People

• Maarten Truyens - Founder & CEO/CTO