Phase Biolabs
YC W22Nottingham, GB · Founded 2020 · 10 employees · 5 known investors
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Phase Biolabs develops biotechnology to convert CO2 into ethanol and other chemicals for use in manufacturing, transportation fuels, and other industrial applications. The company uses biological processes to make carbon recycling economically viable at scale.
Founders & leadership· Y Combinator alumni (W22)
Phase Biolabs was founded in 2020 by David Ortega.

Investors · 5
How we know: Y Combinator's founder network · collabfund.com · Not right? Tell us
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Related companies · 5
Companies working in the same space as Phase Biolabs.
Companies House · registry record
View on Companies House ↗- Registered name
- PHASE BIOLABS LTD
- Company number
- 12602104
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 May 2020
- Registered office
- Suite 2540, 37 Westminster Buildings, Theatre Square, Nottingham, NG1 6LG
- Nature of business (SIC)
- 72110 — Research and experimental development on biotechnology
- Accounts
- last made up to 31 Dec 2024 · next due 30 Sept 2026
- Confirmation statement
- last made up to 13 May 2026 · next due 27 May 2027
Current officers · 1
- David Ortega Raymundo — director, appointed 14 May 2020
Source: Companies House public register · retrieved 24 Jul 2026. Contains public sector information licensed under the Open Government Licence v3.0.
Frequently asked questions
- What does Phase Biolabs do?
- Phase Biolabs develops biotechnology to convert CO2 into ethanol and other chemicals for use in manufacturing, transportation fuels, and other industrial applications. The company uses biological processes to make carbon recycling economically viable at scale.
- Who founded Phase Biolabs?
- Phase Biolabs was founded by David Ortega in 2020.
- Who are Phase Biolabs's investors?
- Phase Biolabs's investors include Collaborative Fund, Y Combinator, Zillionize, Asymmetry Ventures, Transition Global.
- Where is Phase Biolabs headquartered?
- Phase Biolabs is headquartered in Nottingham, GB.








