UKGrowth Network

UK company record

Callsign

Identity / authentication AI; Identity authentication & fraud prevention

CandidateCore UK
Open interactive recordCompanies House profile

Snapshot

UK location
London · London
Sector
AI / ML / data
Latest recorded round
Series C (AMBIGUOUS - exact round letter/amount/date not consistently confirmed across sources)
Latest recorded amount
Undisclosed tranche(s); cumulative raised ~$172.5M across rounds; valuation reported $525-627M as of Jun 2021
Date
2022-02-01

Legal-identity layer

Candidate identity.

Selected legal name
CALLSIGN LTD.
Company number
07277719
Companies House status
active
Incorporated
2010-06-08

Investors

Current directors and active controllers

  • Dr Zia HayatActive controller
  • HAYAT, Zia, DrCurrent director
  • RITCHIE, Garth William, Mr.Current director
  • CALLSIGN INCcorporate-director
  • DEMPSEY, Stephen Johndirector
  • Dr Zia HayatFormer controller
  • HAYAT, Zia, Drdirector
  • IMBACH, Patrickdirector
  • THOMPSON, Corinnedirector
  • WELCH, Ian Jamesdirector

Funding rows

Sources