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Tetra Tech Consulting Limited

Tetra Tech Consulting Limited is an active company incorporated on 31 December 1979 with the registered office located in Abingdon, Oxfordshire. Tetra Tech Consulting Limited was registered 46 years ago.
Status
Active
Active since incorporation
Company No
01470149
Private limited company
Age
46 years
Incorporated 31 December 1979
Size
Large
Turnover is over £54M
Over 250 employees
Confirmation
Submitted
Dated 31 December 2025 (21 days ago)
Next confirmation dated 31 December 2026
Due by 14 January 2027 (11 months remaining)
Last change occurred 16 days ago
Accounts
Submitted
For period 2 Oct29 Sep 2024 (12 months)
Accounts type is Full
Next accounts for period 30 September 2025
Due by 30 June 2026 (5 months remaining)
Contact
Address
101 Park Drive
Milton Park
Abingdon
Oxfordshire
OX14 4RY
United Kingdom
Address changed on 2 Jan 2025 (1 year ago)
Previous address was 20 Western Avenue Milton Park Abingdon Oxfordshire OX14 4SH
Telephone
01235821888
Email
Available in Endole App
People
Officers
5
Shareholders
1
Controllers (PSC)
1
Director • British • Lives in UK • Born in Nov 1964
Director • British • Lives in Northern Ireland • Born in Jul 1958
Director • British • Lives in UK • Born in Oct 1974
Director • American • Lives in United States • Born in Aug 1959
Shareholders, PSCs & Group Structure
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Mutual Companies
RPS Ireland Limited
Richard Alan Lemmon, Michelle Lewis, and 1 more are mutual people.
Active
RPS Environmental Management Limited
David Craig Hatch and Richard Alan Lemmon are mutual people.
Active
Tetra Tech RPS Energy Limited
Richard Alan Lemmon is a mutual person.
Active
Wellchild
David Craig Hatch is a mutual person.
Active
Tetra Tech UK Consulting Group Limited
David Craig Hatch is a mutual person.
Active
R P S Group Limited
Richard Alan Lemmon is a mutual person.
Active
RPS Consultants Limited
Richard Alan Lemmon is a mutual person.
Active
Exploration Consultants Limited
Richard Alan Lemmon is a mutual person.
Active
Financials
Net Assets, Total Assets & Total Liabilities (2015–2024)
Period Ended
29 Sep 2024
For period 29 Sep29 Sep 2024
Traded for 12 months
Cash in Bank
£779K
Increased by £120K (+18%)
Turnover
£104.91M
Increased by £19.68M (+23%)
Employees
949
Decreased by 22 (-2%)
Total Assets
£68.08M
Increased by £9.46M (+16%)
Total Liabilities
-£41.9M
Increased by £10.02M (+31%)
Net Assets
£26.18M
Decreased by £562K (-2%)
Debt Ratio (%)
62%
Increased by 7.16% (+13%)
Latest Activity
Ms Michelle Lewis Details Changed
6 Days Ago on 15 Jan 2026
Confirmation Submitted
16 Days Ago on 5 Jan 2026
Mr Richard Alan Lemmon Details Changed
7 Months Ago on 1 Jun 2025
Full Accounts Submitted
8 Months Ago on 2 May 2025
Dr Michael Robert Shaw Appointed
1 Year Ago on 9 Jan 2025
R P S Group Limited (PSC) Details Changed
1 Year Ago on 2 Jan 2025
Confirmation Submitted
1 Year Ago on 2 Jan 2025
Registered Address Changed
1 Year Ago on 2 Jan 2025
David Robert Dunbar Resigned
1 Year Ago on 31 Dec 2024
Christopher Green Resigned
1 Year 2 Months Ago on 2 Nov 2024
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Documents
Director's details changed for Ms Michelle Lewis on 15 January 2026
Submitted on 20 Jan 2026
Confirmation statement made on 31 December 2025 with updates
Submitted on 5 Jan 2026
Director's details changed for Mr Richard Alan Lemmon on 1 June 2025
Submitted on 19 Nov 2025
Change of details for R P S Group Limited as a person with significant control on 2 January 2025
Submitted on 21 Oct 2025
Statement of capital following an allotment of shares on 28 September 2025
Submitted on 29 Sep 2025
Memorandum and Articles of Association
Submitted on 17 Sep 2025
Resolutions
Submitted on 17 Sep 2025
Resolutions
Submitted on 16 Sep 2025
Change of name notice
Submitted on 2 Sep 2025
Certificate of change of name
Submitted on 2 Sep 2025
Repayment History
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