Law firms are increasing their use of artificial intelligence to accelerate legal processes, yet the technology is not replacing lawyers. Instead, it is creating higher demand for them. As advanced AI systems take over time-consuming work like reviewing documents and analysing contracts, firms are employing more legal professionals to check and enhance the AI's output, especially as courts require greater precision and reliability.
Major professional services firms have expanded their legal teams, with non-partner lawyer roles growing by over 5% in a year. These numbers now sit at almost 18,800 across more than 50 surveyed firms. The same findings show partner growth at around 3%, while many firms are steadily developing their AI capabilities. Given the legal system’s strict expectations regarding AI, human oversight remains essential.
Firms are responding by creating AI tech stacks that combine ready-made tools with custom platforms designed for specific legal tasks. For example, lawyers use AI to build timelines based on witness statements or to locate key clauses in lengthy contracts. These tools act like digital assistants, quickly producing drafts or organising complex datasets, though expert review is still required to maintain standards.
This partnership between AI and legal professionals is transforming the way the sector functions. Instead of cutting staff, firms are shifting roles, with more lawyers serving as supervisors, analysts and reviewers. The outcome is quicker results and deeper insights, though its long-term effect on junior lawyers and training pathways remains uncertain.

