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Company number
11229977

QUERTUM UK LTD

Active
✓ Active company on the official register. Next accounts due 30 September 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
QUERTUM UK LTD
Company number
11229977
Registered office
C/O ROCK TAX & ACCOUNTING ELM HOUSE, TANSHIRE PARK, SHACKLEFORD ROAD, ELSTEAD, GODALMING, SURREY, GU8 6LB, ENGLAND · 101 other companies at this postcode
Company type
Private Limited Company
Incorporated on
28 February 2018
Status
Active
Age
8 years
Previous names
JOISTO QUERTUM UK LTD (to 09 May 2025)
Nature of business (SIC)
62012 — Business and domestic software development
Accounts — next due
30 Sept 2026
Accounts — last made up to
31 Dec 2024
Confirmation statement — next due
01 Apr 2027
Confirmation statement — last
18 Mar 2026

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

Joisto Group Oy
owns 50–75% of shares · holds 25–50% of voting rights
Notified 01/10/2019
Joisto Oy
owns 50–75% of shares · holds 50–75% of voting rights
Notified 28/02/2018
Mr Craig Richard Prince
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 09/06/2025

Corporate structure

Who controls this company, and who they control in turn

3 controllers Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Mr Craig Richard Prince
born 09/1966 · England owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Notified 09/06/2025 Controls 5 companies
Joisto Group Oy name only
owns 50–75% of shares · holds 25–50% of votes Control ended 22/04/2025
Joisto Oy name only
owns 50–75% of shares · holds 50–75% of votes Control ended 01/10/2019

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
09/06/2025 Person with significant control added Mr Craig Richard Prince
09/05/2025 Registered name changed JOISTO QUERTUM UK LTD QUERTUM UK LTD
22/04/2025 Person with significant control ceased Joisto Group Oy
01/10/2019 Person with significant control ceased Joisto Oy
01/10/2019 Person with significant control added Joisto Group Oy
28/02/2018 Person with significant control added Joisto Oy

Financial highlights

Parsed from the filed statutory accounts (£ thousands, except employees)

Source: Companies House bulk data filed accounts (iXBRL)
Metric FY2025FY2024FY2023
Total assets less current liabilities -31 -108 -57
Employees (avg) 3
▲ 50.0%
2 2

Documents for QUERTUM UK LTD

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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.

PDF Order

Data protection register

Registered with the Information Commissioner's Office as a data protection fee payer.

QUERTUM UK LTD — GU8 6LB
Tier 1 · renews 17/09/2026
ICO entry

The ICO publishes no company number, so this is matched on the registered name and confirmed by the postcode. Check the ICO entry before relying on it.

Get this company via API

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Frequently asked questions

What is the company number of QUERTUM UK LTD?
According to the official registry, the company number of QUERTUM UK LTD is 11229977.
Where is QUERTUM UK LTD registered?
The registered office is C/O ROCK TAX & ACCOUNTING ELM HOUSE, TANSHIRE PARK, SHACKLEFORD ROAD, ELSTEAD, GODALMING, SURREY, GU8 6LB, ENGLAND.
What is the SIC code of QUERTUM UK LTD?
The nature of business is recorded under SIC code 62012 — Business and domestic software development.
Who controls QUERTUM UK LTD?
Joisto Group Oy is recorded as a person with significant control, and owns 50–75% of shares, holds 25–50% of voting rights.
When are the next accounts of QUERTUM UK LTD due?
The next annual accounts are due by 30 September 2026, and the last accounts were made up to 31 December 2024.

About QUERTUM UK LTD (11229977)

QUERTUM UK LTD is a private limited company incorporated on 28 February 2018 and registered in the United Kingdom under company number 11229977. Its registered office is at C/O ROCK TAX & ACCOUNTING ELM HOUSE, TANSHIRE PARK, SHACKLEFORD ROAD, ELSTEAD, GODALMING, SURREY, GU8 6LB, ENGLAND. The recorded nature of business is business and domestic software development (SIC 62012). The company is currently active , with statutory accounts last made up to 31 December 2024. , and the person with significant control is Joisto Group Oy. 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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