IRONSOURCE UK LIMITED
Company details
- Registered name
- IRONSOURCE UK LIMITED
- Company number
- 07569857
- Registered office
- 30 OLD BAILEY, LONDON, EC4M 7AU, UNITED KINGDOM · 666 other companies at this postcode
- Company type
- Private Limited Company
- Incorporated on
- 18 March 2011
- Status
- Active
- Age
- 15 years
- Previous names
- SUPERSONICADS UK LIMITED (to 06 Apr 2016)
- Nature of business (SIC)
- 58190 — Other publishing activities
- Accounts — next due
- 31 Dec 2026
- Accounts — last made up to
- 31 Dec 2024
- Confirmation statement — next due
- 14 Mar 2027
- Confirmation statement — last
- 28 Feb 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.
- 290 companies are registered at this address — commonly a formation agent or an accountant rather than an office.
- A person with significant control here also controls 1 other company.
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
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 |
|---|---|---|---|
| 07/11/2022 | Person with significant control ceased | Ironsource Ltd. | — |
| 07/11/2022 | Person with significant control added | — | Unity Software Inc. |
| 29/06/2021 | Person with significant control added | — | Ironsource Ltd. |
| 06/04/2016 | Registered name changed | SUPERSONICADS UK LIMITED | IRONSOURCE UK LIMITED |
Financial highlights
Parsed from the filed statutory accounts (£ thousands, except employees)
| Metric | FY2024 | FY2023 |
|---|---|---|
| Revenue | 118,833 ▼ 37.7% | 190,790 |
| Profit / (loss) before tax | -12,111 | -59,065 |
| Total assets less current liabilities | 307,863 ▼ 0.6% | 309,704 |
| Net assets | -77,102 | -64,871 |
| Employees (avg) | 0 ▼ 100.0% | 6 |
Documents for IRONSOURCE UK LIMITED
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/07569857
X-Api-Key: $OPENDATA_KEYFrequently asked questions
What is the company number of IRONSOURCE UK LIMITED?▾
Where is IRONSOURCE UK LIMITED registered?▾
What is the SIC code of IRONSOURCE UK LIMITED?▾
Who controls IRONSOURCE UK LIMITED?▾
When are the next accounts of IRONSOURCE UK LIMITED due?▾
About IRONSOURCE UK LIMITED (07569857)
IRONSOURCE UK LIMITED is a private limited company incorporated on 18 March 2011 and registered in the United Kingdom under company number 07569857. Its registered office is at 30 OLD BAILEY, LONDON, EC4M 7AU, UNITED KINGDOM. The recorded nature of business is other publishing activities (SIC 58190). The company is currently active , with statutory accounts last made up to 31 December 2024. , and the person with significant control is Ironsource Ltd.. 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
Other publishing activities 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.