11 SaaS companies in London.
By the Numbers
Funding
Diffractive Labs
London
Diffractive Labs is building an autonomous AI material scientist that moves from hypothesis to synthesis and scale-up, uniting ML, experimentation, and scientific reasoning in a closed loop to accelerate breakthroughs in thermoelectrics, hi
Isembard
Isembard builds and operates distributed, software-defined factories for component production, enabling scaleups to iterate faster and scale output; launched 2025 with 4 factories in the UK and US and plans to reach 25 by 2026, serving Hels
Elyos AI
Elyos AI is the first totally autonomous customer service agent for trades and field services, fully integrated with all trades CRMs to enable seamless CRM-enabled workflows for trades professionals.
Omnea
Omnea streamlines B2B purchasing to enable fast, compliant buying. Founded in 2022 by the team behind Tessian, it has raised $75M from major VCs and serves global enterprises including Spotify, Adecco, Albertsons, Wise, MongoDB, and Monzo.
Sequence
Sequence is an AI-powered revenue platform for finance teams, processing over $1B in invoice volume with 10x ARR growth. It closed a $20M Series A led by 645 Ventures with a16z, counting Cognition, incident.io, MoonPay, and 100+ others as c
LiveFlow
LiveFlow offers automation for financial reporting and the month-end close for CFOs and finance teams, helping them deliver actionable insights to move their business forward and eliminate the manual reporting burden.
Humaans
Humaans provides HR technology for globally distributed organizations with distributed workforces.
Hg
Hg Catalyst is Hg’s AI product incubator, embedded in Hg, one of Europe’s software investors with $100B+ under management. It conceives, builds, and ships AI products for B2B SaaS or services in 9–18 month sprints, built into established bu
Moonvalley
Moonvalley builds an AI-powered creative studio using video and image foundation models to enable cinematic and commercial content. Backed by a top team, Hollywood's first AI-enabled movie studio, and over $100M raised, Marey is a licensed-
CircuitHub
CircuitHub accelerates electronics prototyping with an automated factory built on a tech stack, enabling hardware companies to design and iterate like software firms, backed by $20M from Y Combinator and Google Ventures and serving Tesla, M
CoLoop
CoLoop provides an AI-assisted copilot for qualitative research, automating content analysis and knowledge management to cut market research time and cost by 70%. Headquartered in London, it serves 300+ clients, including Amazon, Financial