opendata.bot
Company number
OC331181

OPINIUM RESEARCH 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
OPINIUM RESEARCH LLP
Company number
OC331181
Registered office
24A ST JOHN STREET, LONDON, EC1M 4AY · 99 other companies at this postcode
Company type
Limited Liability Partnership
Incorporated on
7 September 2007
Status
Active
Age
19 years
Accounts — next due
31 Dec 2026
Accounts — last made up to
31 Mar 2025
Confirmation statement — next due
17 Dec 2026
Confirmation statement — last
03 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

Mr Anthony Trevor Langham
voting rights 25 to 50 percent limited liability partnership
Notified 06/04/2016
Mr Stuart Graham
significant influence or control limited liability partnership
Notified 01/01/2025
Ms Susan Clare Parsons
voting rights 25 to 50 percent limited liability partnership
Notified 06/04/2016

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 Stuart Graham
born 01/1969 · England significant influence or control limited liability partnership Notified 01/01/2025 Controls 2 companies
Mr Anthony Trevor Langham
born 06/1961 · England voting rights 25 to 50 percent limited liability partnership Control ended 01/04/2025 Controls 11 companies
Ms Susan Clare Parsons
born 05/1989 · England voting rights 25 to 50 percent limited liability partnership Control ended 01/04/2025

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
01/04/2025 Person with significant control ceased Ms Susan Clare Parsons
01/04/2025 Person with significant control ceased Mr Anthony Trevor Langham
01/01/2025 Person with significant control added Mr Stuart Graham
06/04/2016 Person with significant control added Ms Susan Clare Parsons
06/04/2016 Person with significant control added Mr Anthony Trevor Langham

Documents for OPINIUM RESEARCH 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.

PDF Order

Data protection register

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

Opinium Research LLP — EC1M 4AY
Tier 1 · renews 07/08/2027
ICO entry
Opinium Research LLP — EC1M 4AY
Tier 2 · renews 21/10/2026
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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GET /v1/company/gb/OC331181
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of OPINIUM RESEARCH LLP?
According to the official registry, the company number of OPINIUM RESEARCH LLP is OC331181.
Where is OPINIUM RESEARCH LLP registered?
The registered office is 24A ST JOHN STREET, LONDON, EC1M 4AY.
Who controls OPINIUM RESEARCH LLP?
Mr Anthony Trevor Langham is recorded as a person with significant control, and voting rights 25 to 50 percent limited liability partnership.
When are the next accounts of OPINIUM RESEARCH LLP due?
The next annual accounts are due by 31 December 2026, and the last accounts were made up to 31 March 2025.

About OPINIUM RESEARCH LLP (OC331181)

OPINIUM RESEARCH LLP is a limited liability partnership incorporated on 7 September 2007 and registered in the United Kingdom under company number OC331181. Its registered office is at 24A ST JOHN STREET, LONDON, EC1M 4AY. The company is currently active , with statutory accounts last made up to 31 March 2025. , and the person with significant control is Mr Anthony Trevor Langham. 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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