QUEST DIAGNOSTICS HOLDINGS LTD.
Company details
- Registered name
- QUEST DIAGNOSTICS HOLDINGS LTD.
- Company number
- 09339493
- Registered office
- 1ST FLOOR, 48 CHANCERY LANE, LONDON, WC2A 1JF, ENGLAND · 110 other companies at this postcode
- Company type
- Private Limited Company
- Incorporated on
- 3 December 2014
- Status
- Active
- Age
- 11 years
- Nature of business (SIC)
- 64209 — Activities of other holding companies n.e.c.
- Accounts — next due
- 26 Sept 2026
- Accounts — last made up to
- 31 Dec 2024
- Confirmation statement — next due
- 22 Dec 2026
- Confirmation statement — last
- 08 Dec 2025
People with significant control
Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors
Corporate structure
Who controls this company, and who they control in turn
Connections
Change history
Reconstructed from the dated records Companies House publishes
| Date | Change | Was | Now |
|---|---|---|---|
| 07/09/2018 | Person with significant control ceased | Quest Diagnostics Incorporated | — |
| 20/12/2017 | Person with significant control added | — | Quest Diagnostics International Holdings Limited |
| 06/04/2016 | Person with significant control added | — | Quest Diagnostics Incorporated |
Financial highlights
Parsed from the filed statutory accounts (£ thousands, except employees)
| Metric | FY2024 | FY2023 |
|---|---|---|
| Profit / (loss) before tax | -12,921 ▼ 190643.6% | 7 |
| Total assets less current liabilities | 34,869 ▼ 27.0% | 47,779 |
| Net assets | 34,869 ▼ 27.0% | 47,779 |
| Employees (avg) | 0 | 0 |
Documents for QUEST DIAGNOSTICS HOLDINGS LTD.
Need this one company on file? Buy the document on its own — no plan required.
The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.
Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.
Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.
Data protection register
No entry found on the ICO register of fee payers under this name.
Not every organisation has to register — some are exempt. An absent entry is a question to ask, not a finding.
Get this company via API
Every field on this page is available as structured JSON behind one endpoint and one API key.
GET /v1/company/gb/09339493
X-Api-Key: $OPENDATA_KEYFrequently asked questions
What is the company number of QUEST DIAGNOSTICS HOLDINGS LTD.?▾
Where is QUEST DIAGNOSTICS HOLDINGS LTD. registered?▾
What is the SIC code of QUEST DIAGNOSTICS HOLDINGS LTD.?▾
Who controls QUEST DIAGNOSTICS HOLDINGS LTD.?▾
When are the next accounts of QUEST DIAGNOSTICS HOLDINGS LTD. due?▾
About QUEST DIAGNOSTICS HOLDINGS LTD. (09339493)
QUEST DIAGNOSTICS HOLDINGS LTD. is a private limited company incorporated on 3 December 2014 and registered in the United Kingdom under company number 09339493. Its registered office is at 1ST FLOOR, 48 CHANCERY LANE, LONDON, WC2A 1JF, ENGLAND. The recorded nature of business is activities of other holding companies n.e.c. (SIC 64209). The company is currently active , with statutory accounts last made up to 31 December 2024. , and the person with significant control is Quest Diagnostics Incorporated. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.
Companies at the same registered office
Activities of other holding companies n.e.c. across UK registers
The same sector and the same company, seen through every register we hold
Explore by sector
Every UK company records what it does as a SIC code — browse the sectors around this one.