Author: Adithya Srinivasan | Register dated | Source: Home Office
Sigma Computing UK Limited
SIGMAFIELD LIMITED
SIGMA INDUSTRIAL SYSTEMS LTD
SIGMA LABS XYZ LTD
SigmaRoc Plc
SIGMA SOFTWARE HOLDING LTD
SIGMUS LIMITED
Signal Capital Partners Limited
Signal Media Limited
Signal Ocean Limited
Signature Brew Ltd
SIGNATURE GLOBAL SERVICE LIMITED
Signature Healthcare Services Limited
Signature Litigation LLP
Signature UK Business Solutions Limited
Signature X Limited
Signet Capital Management Limited t/a Signet
Signet Labs Limited
SIGN GENIUS LIMITED
SIGNIFLY LTD
Signifyd UK Ltd
Signify Group Limited
Sign of the Times
Signol Limited
Sign Salad Ltd
Sign Stop Ltd
SIGULER GUFF UK LLP
Siguru AI
SIGWATCH Ltd
SII Services Limited
Sikor London Limited
Silcs Solutions Limited
SI Legal Services
Silent Bob Ltd T/A D H Roberts Chemist
Silent Creek Limited
Silent E Pictures Limited
SILENT NIGHT MANAGEMENT LTD t/a The Gresham Hotel
Silex Partners Limited
Silhani Beauty Limited
Silhouette UK Ltd
Silian Partners UK Ltd
SILICON LOGIC UK LIMITED
SILICON TECHNIX LIMITED
SILIXON Limited
Silk Agency Ltd
Silk Factory Ltd
SILKSS DRY CLEANERS LTD
SILK Ventures
SILKWAYZ LTD
SILPHIUM ASSET MANAGEMENT LIMITED
Added to the register since 16 October 2026.
No longer on the register, so they can't issue new sponsorships.