Wordsmith AI is an Edinburgh-based legal technology company founded in 2023 and launched in January 2024 by Ross McNairn, a lawyer-turned-engineer, alongside Volodymyr Giginiak and Robbie Falkenthal. The company builds agentic legal AI designed specifically for corporate in-house legal teams rather than law firms.

Wordsmith's platform embeds fleets of AI agents into corporations to handle high-volume legal work including contract review, risk highlighting, contract summarization, and extraction of key terms. The thesis is that in-house legal departments, often seen as cost centers and bottlenecks, can be transformed into faster, scalable functions and even revenue enablers by deploying and supervising AI agents.

A central idea in Wordsmith's positioning is the emergence of the legal engineer, a new role focused on training, deploying, and supporting AI agents inside legal teams. This requires a skill set distinct from traditional legal operations, and Wordsmith both provides the tooling and trains teams to wield it. Many of its hires are former City lawyers.

The company raised a $5 million seed in 2024 followed by a $25 million Series A in June 2025 led by Index Ventures, bringing total funding to roughly $30 million and a $100 million valuation, reported as the fastest a Scottish startup has reached that milestone. Revenue grew about tenfold in 2025.

Wordsmith's customer base includes Trustpilot, Remote.com, Deliveroo, Multiverse, and Docplanner, and it employs around 100 people across Edinburgh, London, and New York. It competes with legal AI players such as Harvey, Legora, and Eudia, but differentiates with its in-house-team focus and the legal-engineer operating model.