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 Definely secures $30M
June 9, 2025·2 min read

Joy Laoun

News Editor, Vestbee

London's legaltech startup Definely secures $30M Series B round

London-based startup Definely, a developer of advanced document creation software, has raised  $30 million in a Series B funding round, bringing its total funding to $40 million.

  • Launched in 2020 by Nnamdi Emelifeonwu and Feargus MacDaeid, Definely develops AI-powered software designed to help lawyers draft, review, and understand complex legal documents more efficiently. 
  • The company’s tools integrate directly into Microsoft Word, allowing users to access definitions, clause references, and related information within and across contracts without leaving the document they are working on. 
  • Definely’s suite includes features that automate proofreading checks, enable editing of defined terms and cross-references, and provide AI-assisted drafting and review through its product Enhance. 
  • By leveraging large language models and a firm’s document repositories, Definely helps legal professionals speed up contract review and drafting workflows, with the company estimating a 40% improvement in efficiency compared to traditional manual methods.
  • The software is used by over 100 in-house legal teams and law firms globally, including several Magic Circle and White Shoe firms, as well as corporate legal departments at companies such as BT Group and Deloitte. 

Details of the deal

“We are proud to lead Definely’s Series B and support a company that is setting the standard for AI-powered legal technology. This investment aligns perfectly with our belief in the transformative power of vertical AI. Definely is now accelerating both its AI roadmap and international expansion - a journey we are excited to support," claims Morgan Kessous, Partner at Revaia.

  • The fresh capital from Definely’s $30 million Series B funding round will be used primarily to accelerate the company’s global expansion, with a particular focus on growing its presence in the US market.
  • The funds will also accelerate development of Definely’s AI products, including the new multi-agent system ‘Enhance,’ to improve legal workflows and help lawyers work faster and more accurately.

“This latest investment round is a testament to the hard work of an incredible team and the trust our customers have placed in us. As a business, we are deeply committed to building human-first products, leveraging generative AI not for the sake of it – but to solve real and tangible problems that lawyers face today," co-founder and CEO of Definely, Nnamdi Emelifeonwu, commented.


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