CityFibre

Fiberoptic Equipment · London, United Kingdom · Founded 2011 · Privately Held (backing)

Operator of an independent full fiber infrastructure platform and supplier of fiber optic equipment intended to serve service integrators, enterprise and consumer service providers and mobile… CityFibre is based in London, United Kingdom and was founded in 2011. Its last reported valuation was $3.6 billion in Mar 2023. It has raised $13.5 billion across 1 recorded round; the latest was a $4.4 billion growth round in Jul 2025.

Last reported valuation
$3.6B
Oct 2026
Priced at
—
Total raised
$13.5B
Last round
PE Growth/Expansion
Jul 2025

Who backs CityFibre?

5 investors
InvestorType
Mubadala Investment CompanyOther
Goldman Sachs Asset ManagementOther
Antin Infrastructure Partners—
Interogo Holding—
Invest AD—
The directory is free. Investor activity — the working column — is Pro.Unlock prospecting columns

Membership and data by Private Market View

CityFibre investors

5 investors are on record for CityFibre, including Mubadala Investment Company, Goldman Sachs Asset Management, Antin Infrastructure Partners and Interogo Holding. The growth round in Jul 2025 drew 4 investors.

Free account
More of CityFibre with a free account
  • ·Watch CityFibre: the Monday email on marks, rounds and moves
Create free account
No card required

Membership and data by Private Market View

For fundraisers
Work this list, don’t just read it

These 5 firms already write checks for companies like CityFibre in fiberoptic equipment. Build the wider list: every firm that has backed a company like this one, ranked by how often and how recently.

Find investors like these →

Membership and data by Private Market View