Luminance, the UK-based legal technology firm, is taking an audacious approach to artificial intelligence (AI) development – one that's sparking a debate about what truly constitutes innovation in this rapidly evolving field. Instead of relying on licensed AI models from larger developers, Luminance is choosing to build its own proprietary AI engines. But why is this strategy so significant? According to Eleanor Lightbody, the company's CEO, it's all about achieving superior accuracy and long-term sustainability – key advantages that can be a game-changer for in-house legal departments.
Eleanor Lightbody explained that having custom-built AI models tailored to specific legal applications is crucial. Speaking to City AM, she highlighted how this approach leads to more “palatable and sustainable” profit margins than relying on “rented” frontier models. Lightbody emphasised that in-house development enables firms to “stand out from the crowd” by delivering more accurate results and allowing for precise data fine-tuning.
Luminance, which boasts a team of mathematicians with roots at the University of Cambridge, focuses on providing AI solutions for multinational corporations' in-house legal departments. The company's methodology involves aggregating customer data, with consent, to build its unique models. This blended approach combines proprietary technology with some rented components, converting contract language into actionable intelligence that can benefit an entire business, not just its legal arm.
The firm recently launched 'Luna', a series of vertical AI models designed to automate routine, high-volume contract work. This innovation frees up in-house legal teams, allowing them to focus on strategic advice, risk assessment, and identifying opportunities, rather than being bogged down by administrative or reactive tasks. Lightbody cited an example of Luminance being the first company globally to enable AI-on-AI negotiation for contracts, particularly focusing on Non-Disclosure Agreements (NDAs), suggesting that lawyers may soon no longer need to review these standard documents.
The UK-based company has seen substantial investment, raising over $115 million (£87.2 million) within a 12-month period, including a recent Series C funding round of $75 million (£56.8 million). This latest round was led by Point72 Private Investments, with participation from Forestay Capital, RPS Ventures, and Schroders Capital, alongside existing investors. With around 800 in-house corporate customers globally, Luminance currently generates about 50 per cent of its revenue from the US market, with ambitions for further growth in key international territories. The burgeoning legal tech industry saw approximately $6 billion raised by startups in 2023, underscoring the significant opportunity and competition within this sector.
Lightbody acknowledged the highly competitive nature of the legal tech market, describing it as “very hot.” She views the increased investment as validation for Luminance's innovative approach to AI development – an approach that could disrupt the status quo in the legal industry. With its custom-built AI engines and focus on long-term sustainability, Luminance is poised to take a significant leap forward in the pursuit of making law more efficient and accessible.