Preoptima
London, GB · Founded 2025 · 10 employees on LinkedIn · 4 known investors
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Preoptima provides software for whole life and embodied carbon assessment, offering real-time carbon data to support low-carbon building design and planning compliance. It serves architects, developers, consultants, property portfolio managers, and UK local planning authorities.
Founders & leadership
Preoptima was founded in 2025 by Aileen Ryan.

Investors · 4
How we know: funding news · preoptima.com · Not right? Tell us
How we know: funding news · preoptima.com · Not right? Tell us
Also in the syndicate · 2
Funding
SEC filings, press & company announcements- Undisclosed amountpre-seed funding roundMar 2023
Nemetschek (lead), Carbon13, Climate VC, Nomea Investments
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
Companies House · registry record
View on Companies House ↗- Registered name
- PREOPTIMA LTD
- Company number
- 14209923
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 Jul 2022
- Registered office
- 71-75 Shelton Street, Covent Garden, London, WC2H 9JQ
- Nature of business (SIC)
- 62012 — Business and domestic software development
- Accounts
- last made up to 31 Jul 2025 · next due 30 Apr 2027
- Confirmation statement
- last made up to 30 Jun 2026 · next due 14 Jul 2027
Current officers · 3
- Joseph Arehart — director, appointed 10 Jun 2024
- Lorenzo Coccia — director, appointed 10 Jun 2024
- Francesco Pomponi — director, appointed 1 Jul 2022
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 Preoptima do?
- Preoptima provides software for whole life and embodied carbon assessment, offering real-time carbon data to support low-carbon building design and planning compliance. It serves architects, developers, consultants, property portfolio managers, and UK local planning authorities.
- Who founded Preoptima?
- Preoptima was founded by Aileen Ryan in 2025.
- Who are Preoptima's investors?
- Preoptima's investors include Carbon13, Climate VC.
- Where is Preoptima headquartered?
- Preoptima is headquartered in London, GB.

