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Company number
05575019

QUANTUM DETECTORS LIMITED

Active
✓ Active company on the official register. Next accounts due 31 December 2026.

Company details

South East, England Contains OS data © Crown copyright and database right. Contains Royal Mail data © Royal Mail copyright and database right. Source: Office for National Statistics licensed under the Open Government Licence v.3.0.
Registered name
QUANTUM DETECTORS LIMITED
Company number
05575019
Registered office
R103 HARWELL CAMPUS, DIDCOT, OXFORDSHIRE, OX11 0QX, ENGLAND · 34 other companies at this postcode
Company type
Private Limited Company
Incorporated on
27 September 2005
Status
Active
Age
20 years
Nature of business (SIC)
72190 — Other research and experimental development on natural sciences and engineering
Accounts — next due
31 Dec 2026
Accounts — last made up to
31 Mar 2025
Confirmation statement — next due
18 Dec 2026
Confirmation statement — last
04 Dec 2025

What the register says

Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.

Companies House register snapshot, read 02/09/2026.

People with significant control

Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors

5015 Limited
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 08/04/2025

Corporate structure

Who controls this company, and who they control in turn

1 controller Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Corporate owner owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Notified 08/04/2025

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
08/04/2025 Person with significant control added 5015 Limited

Documents for QUANTUM DETECTORS LIMITED

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Company extract£1.99

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.

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Financial statements£3.99

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.

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Ownership report£3.99

Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.

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Data protection register

No entry found on the ICO register of fee payers under this name.

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Get this company via API

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Frequently asked questions

What is the company number of QUANTUM DETECTORS LIMITED?
According to the official registry, the company number of QUANTUM DETECTORS LIMITED is 05575019.
Where is QUANTUM DETECTORS LIMITED registered?
The registered office is R103 HARWELL CAMPUS, DIDCOT, OXFORDSHIRE, OX11 0QX, ENGLAND.
What is the SIC code of QUANTUM DETECTORS LIMITED?
The nature of business is recorded under SIC code 72190 — Other research and experimental development on natural sciences and engineering.
Who controls QUANTUM DETECTORS LIMITED?
5015 Limited is recorded as a person with significant control, and owns 75–100% of shares, holds 75–100% of voting rights, can appoint and remove directors.
When are the next accounts of QUANTUM DETECTORS LIMITED due?
The next annual accounts are due by 31 December 2026, and the last accounts were made up to 31 March 2025.

About QUANTUM DETECTORS LIMITED (05575019)

QUANTUM DETECTORS LIMITED is a private limited company incorporated on 27 September 2005 and registered in the United Kingdom under company number 05575019. Its registered office is at R103 HARWELL CAMPUS, DIDCOT, OXFORDSHIRE, OX11 0QX, ENGLAND. The recorded nature of business is other research and experimental development on natural sciences and engineering (SIC 72190). The company is currently active , with statutory accounts last made up to 31 March 2025. , and the person with significant control is 5015 Limited. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.

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