[Funding alert] London-based Luminance Raises $40 Million in Series B Round Funding

It’s specialist legal Large Language Model (LLM) automates the generation, negotiation and analysis of contracts and other legal documents for a rapidly growing customer base spanning 600 organisations in 70 countries, from global manufacturers such as Koch Industries, Hitachi and Yokogawa, to insurers including Liberty Mutual, as well as pharmaceutical giants such as LG Chem.

Off the back of 5x ARR growth in the last two years, Series B funding round will be used to propel Luminance’s global growth and expand its footprint in the U.S. as the Cambridge-born company continues to drive unprecedented innovation and leadership in the legal AI market.

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The company’s technology has been used in a number of world-firsts for AI. For example, in late 2023 during a live demonstration to the BBC, Luminance became the first AI in the world to completely automate the negotiation of a contract, without human intervention, between two opposing parties.

It was also the first use of AI at London’s highest criminal court, the Old Bailey, where it allowed counsel to cut the time spent reviewing evidence by four weeks.

Eleanor Lightbody, CEO of Luminance said, “The past 12 months have seen huge technical achievements from our Cambridge R&D hub. Developments such as ‘Auto Mark-Up’, which brings agreements into line with gold standards in a click, and AI-powered tools for non-legal teams to independently negotiate contracts, make Luminance the most advanced legal LLM available today, This latest round of funding will help us to bring our technology to new markets, strengthen our foothold in the United States where Luminance now generates over one third of its revenue, and solidify our position as the clear market leader in this space.”

Hyun Koo, Partner at March Capital, added: “We invest in AI-native companies solving large, mission critical problems. Given the inefficiencies and complexity that exist today in legal workflows, we immediately saw the potential for Luminance to drive efficiency with its industry leading LLM. Luminance’s breadth of enterprise customers speaks to its capabilities, and we are thrilled to partner with their highly technical and growth-minded team to help build a successful, leading and global legal AI company.”

Ian Cooper, Managing Director at National Grid Partners, stated: “The power and utilities sector, as a regulated industry, deals with a vast amount of legal and contractual documentation. Luminance's innovative legal LLM and advanced AI assistant shows great promise in being able to relieve contract processing bottlenecks and enhance contract performance monitoring. We're optimistic that Luminance's platform will be a valuable tool for power and utilities customers.”

Sally Wokes, Partner at Slaughter and May, said: “As an early investor in Luminance, we have always seen the vision for the technology and the business. It is fantastic to see the market validating our belief in the ground-breaking innovation that the company is bringing to the sector. AI is having a significant impact on the legal landscape, and it is rewarding to see Luminance having established itself as the leader in the market.”

About Luminance

Built on a proprietary legal Large Language Model (LLM), Luminance brings AI to every touchpoint a business has with its documents, from instantly flagging non-standard clauses in any incoming contract in Microsoft Word and suggesting preferred language, to automatically identifying areas of non-compliance and key terms, obligations and dates in all executed agreements.

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Developed by world-leading AI experts from the University of Cambridge, UK, validated by leading lawyers, and in use by over 600 customers in 70 countries, Luminance’s ‘legal-grade’ AI is a key component of any legal team.