opendata.bot
Company number
OC440347

SJ RE CO-INVEST LLP

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

Company details

London, 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
SJ RE CO-INVEST LLP
Company number
OC440347
Registered office
47 QUEEN ANNE STREET, LONDON, W1G 9JG, UNITED KINGDOM · 55 other companies at this postcode
Company type
Limited Liability Partnership
Incorporated on
14 December 2021
Status
Active
Age
4 years
Previous names
IFX FOUNDER CO-INVEST LLP (to 27 Jun 2025)
Accounts — next due
31 Dec 2026
Accounts — last made up to
31 Mar 2025
Confirmation statement — next due
22 Aug 2027
Confirmation statement — last
08 Aug 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

Mr John Frederik Hartz
right to share surplus assets 25 to 50 percent limited liability partnership
Notified 14/12/2021
Mr Simon Eric Hugh Turner
right to share surplus assets 25 to 50 percent limited liability partnership
Notified 14/12/2021

Corporate structure

Who controls this company, and who they control in turn

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

Connections

Mr John Frederik Hartz
born 06/1963 · United Kingdom right to share surplus assets 25 to 50 percent limited liability partnership Notified 14/12/2021 Controls 5 companies
Mr Simon Eric Hugh Turner
born 10/1968 · Italy right to share surplus assets 25 to 50 percent limited liability partnership Notified 14/12/2021 Controls 4 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
27/06/2025 Registered name changed IFX FOUNDER CO-INVEST LLP SJ RE CO-INVEST LLP
14/12/2021 Person with significant control added Mr Simon Eric Hugh Turner
14/12/2021 Person with significant control added Mr John Frederik Hartz

Documents for SJ RE CO-INVEST LLP

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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 SJ RE CO-INVEST LLP?
According to the official registry, the company number of SJ RE CO-INVEST LLP is OC440347.
Where is SJ RE CO-INVEST LLP registered?
The registered office is 47 QUEEN ANNE STREET, LONDON, W1G 9JG, UNITED KINGDOM.
Who controls SJ RE CO-INVEST LLP?
Mr John Frederik Hartz is recorded as a person with significant control, and right to share surplus assets 25 to 50 percent limited liability partnership.
When are the next accounts of SJ RE CO-INVEST LLP due?
The next annual accounts are due by 31 December 2026, and the last accounts were made up to 31 March 2025.

About SJ RE CO-INVEST LLP (OC440347)

SJ RE CO-INVEST LLP is a limited liability partnership incorporated on 14 December 2021 and registered in the United Kingdom under company number OC440347. Its registered office is at 47 QUEEN ANNE STREET, LONDON, W1G 9JG, UNITED KINGDOM. The company is currently active , with statutory accounts last made up to 31 March 2025. , and the person with significant control is Mr John Frederik Hartz. 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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