RAINBOW DIAGNOSTICS LTD

Chelmsford, Essex

RAINBOW DIAGNOSTICS LTD holds a UK sponsor licence and is licensed to sponsor workers on the following route:

Skilled WorkerWorkerA rating

Verify RAINBOW DIAGNOSTICS LTD on the official Home Office register ↗ · Register data as of 2026-08-12.

Companies House (best-effort match)

Est. 2021activeProfessional & Scientific · Health & Social Care

Companies House no. 13125490 ↗

Matched to Companies House by name — verify it is the same entity before relying on it.

What does this mean if you're looking for a visa?

A sponsor licence means RAINBOW DIAGNOSTICS LTD can issue a Certificate of Sponsorship for the routes above — a prerequisite for those work visas. It does notmean the company has vacancies or will sponsor you: you still need a genuine job offer meeting the route's skill and salary thresholds, and the employer chooses whether to sponsor. An “A rating” is the standard, good-standing rating; a “B rating” means the sponsor is on an improvement plan.

See the Skilled Worker visa guide for the current skill (RQF 6) and salary requirements.