Seed AI companies in London
Companies building AI products, foundation models, and applied ML platforms. Filtered to Seed-stage companies headquartered in London.
- StageSeed
- IndustryAI
- HQLondon
- Matches60
Built from a search like: “Top Seed AI companies in London”
Ranked by current headcount across Seed AI companies in London. Refreshed daily.
- 1LYMA· London Colney, England, United Kingdom
- Seed
- 93 employees
- Founded 2018
- 2Clerkenwell Health· London, England, United Kingdom
- Seed
- 62 employees
- Founded 2020
- 3Bactobio· London, England, United Kingdom
- Seed
- 50 employees
- Founded 2020
- 4Laverock Therapeutics· London, England, United Kingdom
- Seed
- 36 employees
- Founded 2022
- 5Pangea Bio· London, England, United Kingdom
- Seed
- 29 employees
- Founded 2021
- 6Early· London, England, United Kingdom
- Seed
- 27 employees
- Founded 2022
- 7Apoha· London, England, United Kingdom
- Seed
- 26 employees
- Founded 2021
- 8Enlighty· London, England, United Kingdom
- Seed
- 24 employees
- Founded 2022
- 9Sania Therapeutics· London, England, United Kingdom
- Seed
- 22 employees
- Founded 2021
- 10DaltonTx· London, England, United Kingdom
- Seed
- 21 employees
- Founded 2024
- 11Multiomic Health· London, England, United Kingdom
- Seed
- 20 employees
- Founded 2021
- 12ENBIOSIS Biotechnology· London, England, United Kingdom
- Seed
- 19 employees
- Founded 2019
- 13Matoha· London, England, United Kingdom
- Seed
- 19 employees
- Founded 2018
- 14Biographica· London, England, United Kingdom
- Seed
- 19 employees
- Founded 2022
- 15twig· London, England, United Kingdom
- Seed
- 18 employees
- Founded 2022
- 16Boltz· London, England, United Kingdom
- Seed
- 18 employees
- 17Ailurus Bio· London, England, United Kingdom
- Seed
- 17 employees
- Founded 2022
- 18Phycobloom· London, England, United Kingdom
- Seed
- 17 employees
- Founded 2019
- 19Mitra bio· London, England, United Kingdom
- Seed
- 16 employees
- Founded 2020
- 20Signatur Biosciences· London, England, United Kingdom
- Seed
- 16 employees
- Founded 2022
- 21BoobyBiome· London, England, United Kingdom
- Seed
- 16 employees
- Founded 2019
- 22Glass.AI· London, England, United Kingdom
- Seed
- 16 employees
- Founded 2014
- 23Synteny· London, England, United Kingdom
- Seed
- 16 employees
- Founded 2022
- 24Sable Bio· London, England, United Kingdom
- Seed
- 14 employees
- Founded 2023
- 25Intract Pharma· London, England, United Kingdom
- Seed
- 14 employees
- Founded 2016
Find engineers at Seed AI companies in London
Searching for “engineers at top Seed AI companies in London” surfaces this slice of the market. The list above ranks AI companies headquartered in London whose latest disclosed round is Seed, by current headcount, drawn from public LinkedIn and Crunchbase records. With 60 matching companies in our 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 — Seed, 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 Seed AI companies in London hiring” or “founders of Seed 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
Last refreshed: Thu, 07 May 2026 06:56:14 GMT
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