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Equisera
Eastington, GB · 2 known investors
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Equisera develops RiPR (Rising Pressure Reformer), a patented modular technology that converts wet biogenic waste into clean gas using supercritical water, producing biomethane, hydrogen, captured carbon dioxide and biochar. It targets industrial, agricultural and waste-processing markets as an alternative to fossil gas using existing infrastructure.
Founders & leadership
JM
James MilnerCEOCEO of Equisera, which develops RiPR, a modular technology that converts wet biogenic waste into clean gas using supercritical water. Milner has over 30 years of experience in strategy, manufacturing, and new business development, and previously built and exited two companies.
M
Mark
Investors · 2
Companies House · registry record
View on Companies House ↗- Registered name
- EQUISERA LTD
- Company number
- 13911460
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 Feb 2022
- Registered office
- Unit 11 A & B, Eastington Trading Estate, Eastington Nr Stroud, Gloucestershire, GL10 3RZ
- Nature of business (SIC)
- 32990 — Other manufacturing n.e.c.
- Previous names
- WILD HYDROGEN LTD (2022–2026)
- Accounts
- last made up to 31 Dec 2025 · next due 30 Sept 2027
- Confirmation statement
- last made up to 9 Jun 2026 · next due 23 Jun 2027
Current officers · 5
- Roy Jean-Noel Phillips — secretary, appointed 9 Apr 2024
- David Ranken Gammon — director, appointed 12 May 2023
- James Christopher Milner — director, appointed 11 Feb 2022
- Jonathan Simon Milner — director, appointed 9 Apr 2024
- John Oakey — director, appointed 9 Apr 2024
Source: Companies House public register · retrieved 30 Aug 2026. Contains public sector information licensed under the Open Government Licence v3.0.
In the news
Frequently asked questions
- What does Equisera do?
- Equisera develops RiPR (Rising Pressure Reformer), a patented modular technology that converts wet biogenic waste into clean gas using supercritical water, producing biomethane, hydrogen, captured carbon dioxide and biochar. It targets industrial, agricultural and waste-processing markets as an alternative to fossil gas using existing infrastructure.
- Who are Equisera's investors?
- Equisera's investors include Cambridge Angels group, Crowdcube.
- Where is Equisera headquartered?
- Equisera is headquartered in Eastington, GB.