Crimson raises $2.5m: Evertrace spotted David Strömbäck 455 days earlier

Crimson has raised $2.5m in seed funding. The company is building AI software for litigation and arbitration teams.

Evertrace spotted David Strömbäck, co-founder of Crimson, 455 days before the funding announcement.

Before the round

On 27 February 2025, Evertrace spotted the first signal of company formation for co-founder David Strömbäck. The signal showed the company taking shape 455 days before its funding announcement.

What they’re building

Crimson helps lawyers work with the full record of a dispute, from correspondence and pleadings to witness evidence and procedural documents. Teams can build chronologies, compare positions and prepare drafts with references to the case materials.

Co-founder David Strömbäck brings experience in AI and data science, while co-founder Mark Feldner previously worked as a litigator. The company combines those backgrounds in software designed around legal casework.

The round

The $2.5 million seed round included Y Combinator, Symphony Ventures, Twenty Two Ventures and other investors. The funding supports product and engineering hiring, deeper integrations with law firm systems and expansion in the United States.

Read the funding coverage →

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