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Company number
11577339

MASON THOMAS LAW LIMITED

Active
✓ Active company on the official register. Next accounts due 30 September 2026.

Company details

Yorkshire and The Humber, 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
MASON THOMAS LAW LIMITED
Company number
11577339
Registered office
SUITE 8 GROUND FLOOR THE QUADRANT, 99 PARKWAY AVENUE, SHEFFIELD, S9 4WG, ENGLAND · 576 other companies at this postcode
Company type
Private Limited Company
Incorporated on
19 September 2018
Status
Active
Age
7 years
Previous names
OPTIMUM LEGAL SOLUTIONS LTD (to 22 Dec 2020)
Nature of business (SIC)
69102 — Solicitors · 69109 — Activities of patent and copyright agents; other legal activities n.e.c.
Accounts — next due
30 Sept 2026
Accounts — last made up to
31 Dec 2024
Confirmation statement — next due
15 Oct 2026
Confirmation statement — last
01 Oct 2025

People with significant control

Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors

Mr Adam Jonathan Thomas
owns 25–50% of shares
Notified 14/02/2019
Ms Catherine Emma Mason
owns 25–50% of shares
Notified 14/02/2019
Optimum Commercial Solutions Limited
owns 25–50% of shares · holds 25–50% of voting rights
Notified 11/02/2019
Optimum Holdings Limited
owns 25–50% of shares
Notified 27/04/2020
Optimum Holdings Limited
owns 25–50% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 19/09/2018

Corporate structure

Who controls this company, and who they control in turn

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

Connections

Ms Catherine Emma Mason
born 12/1981 · England owns 25–50% of shares Notified 14/02/2019
Mr Adam Jonathan Thomas
born 12/1979 · England owns 25–50% of shares Control ended 31/12/2020
Corporate owner owns 25–50% of shares · holds 25–50% of votes Control ended 27/04/2020 Controls 7 companies
Corporate owner owns 25–50% of shares Control ended 17/12/2020 Controls 11 companies
Corporate owner owns 25–50% of shares · holds 75–100% of votes · can appoint and remove directors Control ended 11/02/2019 Controls 7 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
31/12/2020 Person with significant control ceased Mr Adam Jonathan Thomas
22/12/2020 Registered name changed OPTIMUM LEGAL SOLUTIONS LTD MASON THOMAS LAW LIMITED
17/12/2020 Person with significant control ceased Optimum Holdings Limited
27/04/2020 Person with significant control ceased Optimum Commercial Solutions Limited
27/04/2020 Person with significant control added Optimum Holdings Limited
14/02/2019 Person with significant control added Ms Catherine Emma Mason
14/02/2019 Person with significant control added Mr Adam Jonathan Thomas
11/02/2019 Person with significant control ceased Optimum Holdings Limited
11/02/2019 Person with significant control added Optimum Commercial Solutions Limited
19/09/2018 Person with significant control added Optimum Holdings Limited

Documents for MASON THOMAS LAW LIMITED

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Company extract£1.99

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Financial statements£3.99

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Ownership report£3.99

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Data protection register

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

Mason Thomas Law Limited — S9 4WG
Tier 1 · renews 05/01/2027
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.

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Frequently asked questions

What is the company number of MASON THOMAS LAW LIMITED?
According to the official registry, the company number of MASON THOMAS LAW LIMITED is 11577339.
Where is MASON THOMAS LAW LIMITED registered?
The registered office is SUITE 8 GROUND FLOOR THE QUADRANT, 99 PARKWAY AVENUE, SHEFFIELD, S9 4WG, ENGLAND.
What is the SIC code of MASON THOMAS LAW LIMITED?
The nature of business is recorded under SIC code 69102 — Solicitors, 69109 — Activities of patent and copyright agents; other legal activities n.e.c..
Who controls MASON THOMAS LAW LIMITED?
Mr Adam Jonathan Thomas is recorded as a person with significant control, and owns 25–50% of shares.
When are the next accounts of MASON THOMAS LAW LIMITED due?
The next annual accounts are due by 30 September 2026, and the last accounts were made up to 31 December 2024.

About MASON THOMAS LAW LIMITED (11577339)

MASON THOMAS LAW LIMITED is a private limited company incorporated on 19 September 2018 and registered in the United Kingdom under company number 11577339. Its registered office is at SUITE 8 GROUND FLOOR THE QUADRANT, 99 PARKWAY AVENUE, SHEFFIELD, S9 4WG, ENGLAND. The recorded nature of business is solicitors (SIC 69102). The company is currently active , with statutory accounts last made up to 31 December 2024. , and the person with significant control is Mr Adam Jonathan Thomas. 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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