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Porthos & Co
Techstars '22London, GB · Founded 2021 · 1 employees on LinkedIn · 1 known investors
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Founders & leadership
Porthos & Co was founded in 2021 by Jonathan Gittos.
JG
Jonathan GittosCo-Founder & CEOJonathan Gittos worked as a trader at JP Morgan, Goldman Sachs, and Morgan Stanley before founding Marketpipe, a SaaS bond-distribution platform for investment banks that was later sold to S&P Global. He is founder of Porthos & Co, a fintech firm arranging mortgages and insurance, and co-founder of Mozzle, an AI-powered conversational interface for financial services.
Investors · 1
Techstarslisted by TechstarsBoulder · $220K
How we know: the Techstars portfolio · the Companies House shareholder list · open dataset · Top 3000 Accelerator Startups (no YC) 2026-08 · Not right? Tell us
Key figures
latest reportedHeadcountAug 20261
Company-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Related companies · 1
Companies working in the same space as Porthos & Co.
Legal entities · 1
corporate structurePorthos & CoNo. 12236133 · inc. Oct 2019 · active
Companies House · registry record
View on Companies House ↗- Registered name
- PORTHOS & CO LTD
- Company number
- 12236133
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 Oct 2019
- Registered office
- 42 York Street, Twickenham, TW1 3LJ
- Nature of business (SIC)
- 62012 — Business and domestic software development66220 — Activities of insurance agents and brokers
- Previous names
- PHANCE & CO LTD (2019–2021)
- Accounts
- last made up to 31 Oct 2025 · next due 31 Jul 2027
- Confirmation statement
- last made up to 30 Sept 2025 · next due 14 Oct 2026
Current officers · 2
- Jonathan George Gittos — director, appointed 1 Oct 2019
- Roger Alan Portnoy — director, appointed 28 Apr 2021
Source: Companies House public register · retrieved 3 Aug 2026. Contains public sector information licensed under the Open Government Licence v3.0.
Frequently asked questions
- Who founded Porthos & Co?
- Porthos & Co was founded by Jonathan Gittos in 2021.
- Who are Porthos & Co's investors?
- Porthos & Co's investors include Techstars.
- Where is Porthos & Co headquartered?
- Porthos & Co is headquartered in London, GB.