London-headquartered law firm Addleshaw Goddard will give the legal artificial intelligence platform Harvey to its entire workforce from January, in a firmwide rollout covering more than 3,400 lawyers and business services professionals across Europe, the Middle East and Asia. The two organisations also agreed to co-develop new AI tools for legal work, Harvey announced on Monday, 9 November 2026.

The deal follows a three-month assessment led by the firm's 80-strong Innovation Group, during which 400 partners, lawyers, legal technologists and business services staff tested leading AI platforms against real legal and business tasks. Addleshaw Goddard said the exercise drew on a decade of experience developing and deploying AI and legal technology.

Co-development, not just deployment

The agreement goes beyond a standard software rollout. Addleshaw Goddard's Innovation Group will work directly with Harvey's product and legal engineering teams to shape and test new capabilities, develop consistent ways of working across the firm, and create new AI-enabled services for clients. The two sides also plan to meet quarterly with selected clients to identify shared challenges and explore new approaches to legal service delivery.

An early example of the joint work is Review Tables, a Harvey feature shaped in part by feedback from Addleshaw Goddard. Kerry Westland, partner and head of the firm's Innovation Group, said the firm wants to help push development of features for large-scale projects, including matter orchestration and complex litigation work.

Managing Partner Andrew Johnston described the agreement as the firm's most significant technology transformation, saying the co-development element takes it beyond a firmwide deployment. Harvey chief executive Winston Weinberg said Addleshaw Goddard had been an AI leader for years and that the two organisations would now work together to bring Harvey to its 3,400-plus professionals.

A firm that built its own AI first

Addleshaw Goddard was among the first law firms to use generative AI tools, and it built its own platform, AGPT, which Westland said the firm is still using heavily. Under the new arrangement, AGPT is expected to continue, with a greater role in testing new ideas rather than as the firm's main AI system.

The Harvey decision came on the same day that rival firm Fieldfisher opted for a competing platform, Legora, underlining how quickly large UK law firms are settling on a single firmwide AI system rather than running several in parallel. Westland said Addleshaw Goddard would not use both Harvey and Legora at the same time.

The collaboration sits within AG2030, the firm's international growth strategy, in which innovation is a central component. Addleshaw Goddard was named Law Firm of the Year at the 2026 Legal Business Awards in September, its fourth Law Firm of the Year title at major legal awards programmes in little over two years.

AI report due today

On Tuesday, 10 November, Addleshaw Goddard will publish a new report, Successful Tech Transformation in the Age of AI, based on research with 200 major organisations across a range of sectors. The report examines how large organisations are managing technology change as AI tools spread through professional work.