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RAINBOW DIAGNOSTICS LTD

Chelmsford, Essex · Currently licensed

RAINBOW DIAGNOSTICS LTD holds a Home Office sponsor licence and appears on the register of licensed sponsors published 26 Oct 2026. It can sponsor overseas nationals for the Skilled Worker visa (including the Health and Care Worker visa), and its A rating means it can assign Certificates of Sponsorship normally.

First seen on register: 8 Dec 2025
Last confirmed: 26 Oct 2026 (latest edition)

Visa routes this sponsor is licensed for

Route	Visa it allows the sponsor to support	Rating	Since
Skilled Worker Worker	Skilled Worker visa (including the Health and Care Worker visa) The main UK work visa. Lets the sponsor employ overseas nationals in eligible skilled jobs, from nurses and care workers to engineers, chefs and software developers, for up to 5 years at a time, with a route to settlement.	A rating	8 Dec 2025

Ratings: Full compliance. The sponsor can assign Certificates of Sponsorship and recruit from overseas normally. Downgraded after compliance concerns. The sponsor is on a time-limited action plan with the Home Office and cannot sponsor new workers until it is restored to an A rating. Failure to complete the plan leads to revocation. More.

Licence history

8 Dec 2025
Added to register
First appeared on the register of licensed sponsors.

Companies House

Company: RAINBOW DIAGNOSTICS LTD 13125490 matched
Status: Active
Type: Private Limited Company
Incorporated: 11 Jan 2021
Registered office: CHELMSFORD HEALTH CENTRE, DICKENS PLACE, CHELMSFORD, CM1 4UU
Nature of business: 71200 - Technical testing and analysis
74909 - Other professional, scientific and technical activities n.e.c.
86210 - General medical practice activities
86220 - Specialists medical practice activities

Matched from the Companies House monthly bulk data by company name and registered town. The sponsor register itself carries no company number.

Be told when this licence changes

Watch RAINBOW DIAGNOSTICS LTD and get an email the day it is removed from the register, re-listed, downgraded to a B rating or renamed. Free for up to 3 sponsors, weekly digest.

Other register entries with this name

RAINBOW DIAGNOSTICS LTD, London (removed)

Entries are matched by organisation name and town as the Home Office publishes them. A sponsor that changes town, or is published with a different spelling, appears as a separate entry; confirmed renames are linked above. The register carries no licence number or company number. Verify against the official register before relying on this for a decision.