Series C AI companies in London

Companies building AI products, foundation models, and applied ML platforms. Filtered to Series C-stage companies headquartered in London.

Edit the query above, or pick a refinement. 500 free credits on sign-up, no card needed.

Built from a search like: “Top Series C AI companies in London”

Ranked by current headcount across Series C AI companies in London. Refreshed daily.

1
Beacon Therapeutics· London, England, United Kingdom
Beacon Therapeutics is a clinical-stage biotechnology company dedicated to saving and restoring sight for people living with rare and prevalent ocular diseases. The Company is harnessing the transformative power of gene therapy to deliver the most meaningful outcomes for severe ocular diseases. Beacon’s pipeline currently targets devastating blinding retinal diseases such as X-linked retinitis pigmentosa (XLRP) and geographic atrophy (GA) secondary to dry age-related macular degeneration (AMD).Beacon Therapeutics’ investors include Advent Life Sciences, Forbion, Life Sciences at Goldman Sachs Alternatives, Oxford Science Enterprises, Retinal Degeneration Fund, Syncona Limited, and TCGX, among others. Learn more about Beacon Therapeutics at beacontx.com and follow on LinkedIn for more updates.
- Series C
- 97 employees
- Founded 2023
2
Basecamp Research· Greater London, England, United Kingdom
Basecamp Research is an AI company dedicated to solving the most pressing challenges in the life sciences by exploring beyond known biology. The company discovers and designs proteins with artificial intelligence trained on its proprietary knowledge graph of nature, the largest and most diverse of its kind, to design biological solutions for pharma, food and industrial applications. Understanding the full genetic, evolutionary, and environmental context of each protein allows Basecamp Research to design tailored proteins for specific applications without the need for expensive and time-consuming directed evolution campaigns. We're a team of explorers, scientists and policy experts driven by our ambition to protect and learn from nature's diversity, whilst delivering life-changing breakthroughs to those who need them most. – BCR
- Series C
- 73 employees
- Founded 2019
3
Pulmocide· London, England, United Kingdom
Pulmocide is a biopharmaceutical company that specializes in tackling difficult-to-treat respiratory diseases. We focus on respiratory fungal infections that can be serious and life-threatening and have significant effects on patients’ quality of life. Our current clinical development focus is on treating patients who have not successfully responded to the standard of care and on the prophylactic treatment of lung transplant patients. Pulmocide’s innovative approach to drug development provides a novel potential therapy that has been specifically designed to treat the most common fungal lung disease, pulmonary aspergillosis. Opelconazole was designed for inhaled delivery to minimize systemic exposure and deliver a high concentration of drug with a long retention time at the site of infection. This approach could improve treatment outcomes in patients with fungal lung disease without increasing systemic side effects and without interactions with other medications. The Pulmocide team is well experienced in the discovery and development of inhaled therapies for respiratory and infectious disease indications. They have particular expertise in the identification of novel compounds that can be delivered directly to the lungs.
- Series C
- 19 employees
- Founded 2013

Find engineers at Series C AI companies in London

Searching for “engineers at top Series C AI companies in London” surfaces this slice of the market. The list above ranks AI companies headquartered in London whose latest disclosed round is Series C, by current headcount, drawn from public LinkedIn and Crunchbase records. With 3 matching companies in Refolk’s index, this is a tight read on where the AI talent in London is heating up.

Three filters at once narrows the field hard. The companies that survive all three - Series C, AI, in London - are usually the most targeted recruiting pool a hiring manager can ask for. Senior engineers, founding designers, and product leads here are about to become AI’s next operators and angel investors.

Refolk converts this list into a live search. Ask for “senior engineers at Series C AI companies in London hiring” or “founders of Series C AI companies in London who left in the last year” and Refolk returns a ranked shortlist with the evidence behind each match.

How this list is built

Refolk pulled AI companies headquartered in London whose latest disclosed funding round is Series C from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 3 employees. The list refreshes once a day.

Last refreshed: Wed, 05 Aug 2026 18:40:21 GMT

Search this list

Need an even more specific search?

Refolk runs natural-language searches across LinkedIn, GitHub, and the open web. Try one of these:

500 free credits on sign-up, no card needed.

Related lists

See all company lists.

Slice this list a different way

Common questions

How is this ranking built?

The list draws on the public company graph - headcount and growth signals, funding history, and recency. The criteria chips at the top show exactly which filters produced it, and the methodology section explains the ranking.

How fresh is the data?

The underlying index updates continuously and this page re-renders at least daily. Last refreshed: Wed, 05 Aug 2026 18:40:21 GMT.

Can I find the people inside these companies?

Yes. Ask in plain English - for example "engineering leaders at these companies who joined in the last year" - and I return the specific people, with context on each.

Try it on your own search

Stop building boolean strings. Just describe the person.

Type one sentence and I plan the search, read GitHub, public LinkedIn and Crunchbase records, and the open web live, then hand back a ranked shortlist with the reasoning behind every name. No filters to learn, no export to clean up, no sales call to sit through.

One sentence in, a ranked shortlist out. No boolean, no filters, no seat to buy.
Read live at search time, not from a database that went stale last quarter.
Watch every step as it runs, and see why each name made the list.

500 free credits on sign-up. No card, no demo call. See real searches.