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Company number
04131126

NORTHSTAR RESEARCH PARTNERS (UK) LIMITED

Active
✓ Active company on the official register. Next accounts due 30 September 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
NORTHSTAR RESEARCH PARTNERS (UK) LIMITED
Company number
04131126
Registered office
3RD FLOOR BLUE FIN BUILDING, 110 SOUTHWARK STREET, LONDON, SE1 0SU, ENGLAND · 68 other companies at this postcode
Company type
Private Limited Company
Incorporated on
27 December 2000
Status
Active
Age
25 years
Nature of business (SIC)
73200 — Market research and public opinion polling
Accounts — next due
30 Sept 2026
Accounts — last made up to
31 Dec 2024
Confirmation statement — next due
24 Oct 2026
Confirmation statement — last
10 Oct 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

Mdc Partners Inc.
owns 75–100% of shares
Notified 06/04/2016
Mdc Partners Uk Holdings Limited
owns 75–100% of shares
Notified 26/07/2021

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

Mdc Partners Uk Holdings Limited name only
owns 75–100% of shares Notified 26/07/2021 Controls 2 companies
Mdc Partners Inc. name only
owns 75–100% of shares Control ended 26/07/2021 Controls 3 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
26/07/2021 Person with significant control ceased Mdc Partners Inc.
26/07/2021 Person with significant control added Mdc Partners Uk Holdings Limited
06/04/2016 Person with significant control added Mdc Partners Inc.

Financial highlights

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

Source: Companies House bulk data filed accounts (iXBRL)
Metric FY2024FY2023
Total assets less current liabilities 3,536
▲ 59.1%
2,223
Employees (avg) 17 17

Documents for NORTHSTAR RESEARCH PARTNERS (UK) 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

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

Northstar Research Partners (UK) Limited — SE1 0SU
Trading as Northstar Research Partners UK Ltd T/A HarrisX
Tier 2 · renews 06/06/2027
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/04131126
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of NORTHSTAR RESEARCH PARTNERS (UK) LIMITED?
According to the official registry, the company number of NORTHSTAR RESEARCH PARTNERS (UK) LIMITED is 04131126.
Where is NORTHSTAR RESEARCH PARTNERS (UK) LIMITED registered?
The registered office is 3RD FLOOR BLUE FIN BUILDING, 110 SOUTHWARK STREET, LONDON, SE1 0SU, ENGLAND.
What is the SIC code of NORTHSTAR RESEARCH PARTNERS (UK) LIMITED?
The nature of business is recorded under SIC code 73200 — Market research and public opinion polling.
Who controls NORTHSTAR RESEARCH PARTNERS (UK) LIMITED?
Mdc Partners Inc. is recorded as a person with significant control, and owns 75–100% of shares.
When are the next accounts of NORTHSTAR RESEARCH PARTNERS (UK) LIMITED due?
The next annual accounts are due by 30 September 2026, and the last accounts were made up to 31 December 2024.

About NORTHSTAR RESEARCH PARTNERS (UK) LIMITED (04131126)

NORTHSTAR RESEARCH PARTNERS (UK) LIMITED is a private limited company incorporated on 27 December 2000 and registered in the United Kingdom under company number 04131126. Its registered office is at 3RD FLOOR BLUE FIN BUILDING, 110 SOUTHWARK STREET, LONDON, SE1 0SU, ENGLAND. The recorded nature of business is market research and public opinion polling (SIC 73200). The company is currently active , with statutory accounts last made up to 31 December 2024. , and the person with significant control is Mdc Partners Inc.. 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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