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Company number
OC343108

MARINE GEOLOGY SERVICES LLP

Active
✓ Active company on the official register. Next accounts due 30 November 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
MARINE GEOLOGY SERVICES LLP
Company number
OC343108
Registered office
1 GILTSPUR STREET, FARRINGDON, LONDON, EC1A 9DD, UNITED KINGDOM · 289 other companies at this postcode
Company type
Limited Liability Partnership
Incorporated on
5 February 2009
Status
Active
Age
17 years
Accounts — next due
30 Nov 2026
Accounts — last made up to
28 Feb 2025
Confirmation statement — next due
19 Feb 2027
Confirmation statement — last
05 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.

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

Anatoly Polyanovskiy
voting rights 75 to 100 percent limited liability partnership · right to share surplus assets 75 to 100 percent limited liability partnership
Notified 05/02/2023
Mr Anatoly Polyanovskiy
significant influence or control limited liability partnership
Notified 06/04/2016
Mr Roman Nadelnyuk
significant influence or control limited liability partnership
Notified 30/12/2017

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

Anatoly Polyanovskiy
born 09/1962 · Russia voting rights 75 to 100 percent limited liability partnership · right to share surplus assets 75 to 100 percent limited liability partnership Notified 05/02/2023
Mr Anatoly Polyanovskiy
born 09/1962 · Russia significant influence or control limited liability partnership Control ended 30/12/2017
Mr Roman Nadelnyuk
born 05/1969 · Ukraine significant influence or control limited liability partnership Control ended 05/02/2023

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
05/02/2023 Person with significant control ceased Mr Roman Nadelnyuk
05/02/2023 Person with significant control added Anatoly Polyanovskiy
30/12/2017 Person with significant control ceased Mr Anatoly Polyanovskiy
30/12/2017 Person with significant control added Mr Roman Nadelnyuk
06/04/2016 Person with significant control added Mr Anatoly Polyanovskiy

Documents for MARINE GEOLOGY SERVICES 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

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 MARINE GEOLOGY SERVICES LLP?
According to the official registry, the company number of MARINE GEOLOGY SERVICES LLP is OC343108.
Where is MARINE GEOLOGY SERVICES LLP registered?
The registered office is 1 GILTSPUR STREET, FARRINGDON, LONDON, EC1A 9DD, UNITED KINGDOM.
Who controls MARINE GEOLOGY SERVICES LLP?
Anatoly Polyanovskiy is recorded as a person with significant control, and voting rights 75 to 100 percent limited liability partnership, right to share surplus assets 75 to 100 percent limited liability partnership.
When are the next accounts of MARINE GEOLOGY SERVICES LLP due?
The next annual accounts are due by 30 November 2026, and the last accounts were made up to 28 February 2025.

About MARINE GEOLOGY SERVICES LLP (OC343108)

MARINE GEOLOGY SERVICES LLP is a limited liability partnership incorporated on 5 February 2009 and registered in the United Kingdom under company number OC343108. Its registered office is at 1 GILTSPUR STREET, FARRINGDON, LONDON, EC1A 9DD, UNITED KINGDOM. The company is currently active , with statutory accounts last made up to 28 February 2025. , and the person with significant control is Anatoly Polyanovskiy. 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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