The raise was led by existing shareholders Seattle-based Lighter Capital and marked Plexus’ first institutional partnership. The funds will be used to drive expansion into key international markets, accelerate AI product delivery, and onboard the next wave of exceptional talent.

According to Plexus founder and CEO, Andrew Mellett (pictured), the new funding is a result of the rising demand for more innovative legal and compliance solutions.

“Traditional legal operating models simply can’t keep up with the pace of modern business. We’re witnessing a once-in-a-generation shift: from tracking legal work to getting it done automatically and intelligently,” he said.

“The global legal industry is valued at $1.1 trillion, three times the size of the entire software market. Over the next decade, the industry will shift from consonants and vowels to zeros and ones, and Plexus is at the vanguard of that transformation.”

This comes after the provider appointed former BigLaw partner David Smith as a legal practice director in February this year, to reinforce its legal transformation offerings.

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Lighter Capital investment director, Matthew Dowling, said the latest funding round was indicative of substantial opportunities in the market.

“Lighter Capital is privileged to support Plexus in their latest financing round. With recent growth and solid business metrics, Plexus was a perfect fit for Lighter Capital’s non-dilutive financing. Automation in the legal space is one of the fastest-growing sectors in B2B SaaS, and Plexus is in a great position to capture more of the market,” he said.

“This raise isn’t just about fuelling growth; it’s about accelerating a new phase of legal innovation.”

The AI-powered platform is evolving beyond workflow automation to operate as “digital lawyers” empowering business teams – and Mellett said the provider would continue to grow with this latest funding round.

“This capital gives us the firepower to accelerate what’s already working, build the next wave of AI capabilities, and help our customers scale legal value faster than ever,” he said.

“This is just the beginning. We’re building the platform in-house legal teams didn’t know they needed, but won’t be able to live without.”

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