Company Overview
Tetra Tech Consulting Limited is listed at the official companies registry as Active Private Limited Company. The company was incorporated on Monday 31 December 1979, so this is a well established company. Tetra Tech Consulting Limited has been in business for 46 years and 3 months. The accounts status is full and the accounts are next due on Tuesday 30 June 2026.
Registered Address

101 Park Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RY
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Companies House Data
Company NameTETRA TECH CONSULTING LIMITED
Company Number01470149
Registered Office Address101 Park Drive
 Milton Park
 OX14 4RY
Company CategoryPrivate Limited Company
Company StatusActive
Country of OriginUnited Kingdom
Incorporation Date31/12/1979
Accounting Reference Date Day30
Accounting Reference Date Month9
Accounts Next Due Date30/06/2026
Accounts Last Made Up Date29/09/2024
Accounts Account CategoryFULL
Returns Next Due Date28/01/2017
Returns Last Made Up Date31/12/2015
Previous Company NameChanged Date
RPS CONSULTING SERVICES LIMITED02 Sep 2025
THE ENVIRONMENTAL CONSULTANCY LIMITED23 Aug 2016
Directors & Members
Show Resigned
David Hatch - Director
(British, 62 years old, born November 1964)
Appointed 17 November 2023
 Active
Richard Lemmon - Director
(American, 67 years old, born August 1959)
Appointed 02 November 2023
 Active
Michelle Lewis - Director
(British, 52 years old, born October 1974)
Appointed 05 July 2022
 Active
Michael Shaw - Director
(British, 68 years old, born July 1958)
Appointed 09 January 2025
 Active
Secretaries
Show Resigned
Andrew Murdoch - Secretary
Appointed 06 October 2023
 Active
Other Company Directorships
David Hatch
COFFEY GEOTECHNICS LIMITED
RPS ENVIRONMENTAL MANAGEMENT LIMITED
TETRA TECH CONSULTING (NI) LIMITED
TETRA TECH GROUP LIMITED
TETRA TECH INTERNATIONAL DEVELOPMENT LIMITED
TETRA TECH UK CONSULTING GROUP LIMITED
WELLCHILD
Richard Lemmon
AQUATERRA INTERNATIONAL LIMITED
AQUATERRA UK LIMITED
BASICSHARE LIMITED
ECL GROUP LIMITED
ENERGY INNOVATIONS LIMITED
EXPLORATION CONSULTANTS LIMITED
FLOW CONTROL (WATER CONSERVATION) LIMITED
GEOCON GROUP SERVICES LIMITED
GEOPHYSICAL SAFETY RESOURCES LIMITED
HYDROSEARCH ASSOCIATES LIMITED
OCEANFIX INTERNATIONAL LIMITED
QUAD ENGINEERING LIMITED
R P S GROUP LIMITED
RPS CONSULTANTS LIMITED
RPS ENERGY SERVICES LIMITED
RPS ENVIRONMENTAL MANAGEMENT LIMITED
RPS GROUP US HOLDINGS LIMITED
RPS HEALTH IN BUSINESS LIMITED
RPS HERITAGE HOLDINGS LIMITED
RPS HERITAGE LIMITED
RPS IRELAND LIMITED
RPS LABORATORIES LIMITED
RPS MOUNTAINHEATH LIMITED
RPS OCCUPATIONAL HEALTH LIMITED
RPS PLANNING & DEVELOPMENT LIMITED
RPS TRUSTEES LIMITED
SAFETY AND RELIABILITY CONSULTANTS LIMITED
SCOTT PICKFORD LIMITED
TETRA TECH EUROPE EXECUTIVE SERVICES LIMITED
TETRA TECH RPS ENERGY CONSULTANTS LIMITED
TETRA TECH RPS ENERGY LIMITED
TROY-IKODA LIMITED
TROY-IKODA MANAGEMENT LIMITED
X-IPEC LIMITED
Michelle Lewis
DBK PARTNERS LIMITED
RPS HERITAGE HOLDINGS LIMITED
RPS HERITAGE LIMITED
RPS IRELAND LIMITED
Michael Shaw
RPS HERITAGE HOLDINGS LIMITED
RPS IRELAND LIMITED
Balance Sheet Unlock full report
Accounts Date 29-Sep-2024 31-Dec-2013 31-Dec-2012
Balance Sheet
Fixed Assets 23,763,000 23,763,000 25,883,000
Current Assets 25,071,000 25,071,000 34,774,000
Creditors Due Within One Year 21,644,000 21,644,000 27,549,000
Working Cap 3,427,000 3,427,000 7,225,000
Total Assets Less Current Liabilities 27,190,000 27,190,000 33,108,000
Long-term Liabilities 1,330,000 1,330,000 1,476,000
Net Assets 25,860,000 25,860,000 31,632,000
Share Capital & Reserves
Share Cap 10,000 10,000 10,000
Profit & Loss Reserves 25,850,000 25,850,000 31,622,000
Other Reserves 0 0 0
Shareholders Funds 25,860,000 25,860,000 31,632,000
Common Size Financial Analysis Unlock full report
Accounts Date 29-Sep-2024 31-Dec-2013 31-Dec-2012
Tangible Fixed Assets - - -
Fixed Assets 48.7% 48.7% 42.7%
Stocks Inventory 0.0% 0.0% 0.0%
Debtors 49.3% 49.3% 54.4%
Cash Bank In Hand 2.0% 2.0% 2.9%
Current Assets 51.3% 51.3% 57.3%
Creditors Due Within One Year 44.3% 44.3% 45.4%
Net Current Assets Liabilities 7.0% 7.0% 11.9%
Creditors Due After One Year 0.0% 0.0% 0.0%
Accruals Deferred Income - - -
Provisions For Liabilities Charges - - -
Net Assets Liabilities Including Pension Asset Liability 53.0% 53.0% 52.1%
Called Up Share Capital 0.0% 0.0% 0.0%
Share Capital Allotted Called Up Paid 0.0% 0.0% 0.0%
Profit Loss Account Reserve 52.9% 52.9% 52.1%
Shareholder Funds 53.0% 53.0% 52.1%
Capital Employed - - -
Total Assets Less Current Liabilities 55.7% 55.7% 54.6%
Financial Ratio Analysis Unlock full report
Accounts Date 29-Sep-2024 31-Dec-2013 31-Dec-2012
Liquidity Ratio 1.2 1.2 1.3
Solvency Ratio 2.1 2.1 2.1
Reserves to Assets 0.5 0.5 0.5
Secured Creditors Unlock full report
Mortgages Charges 4
Mortgages Outstanding 0
Mortgages Part Satisfied 0
Mortgages Satisfied 4
Assets and Debt Analysis Unlock full report
Accounts Date 29-Sep-2024 31-Dec-2013 31-Dec-2012
Assets 48,834,000 48,834,000 60,657,000
Debt 22,974,000 22,974,000 29,025,000
Net Assets/Debt 25,860,000 25,860,000 31,632,000

The following is based on the accounts data presented in this report sourced from Companies House, however the company has filed later accounts. Our analysis of the latest account can be viewed by unlocking our full report.

The current section of the balance sheet has positive working capital. We would normally consider this positively. Total reserves including retained profitability and movement in reserves has some deficiency. The balance sheet indicates the net assets of a good sized company. For the size of the company inferred by the balance sheet the level of net assets suggests a comfortable level of cover for total debts and obligations.

Unlock full report  The following is based on the accounts data presented in this report sourced from Companies House, however the company has filed later accounts. Our analysis of the latest account can be viewed by unlocking our full report.The current section of the balance sheet has positive working capital. We would normally consider this positively. Total reserves including retained profitability and movement in reserves has some deficiency. The balance sheet indicates the net assets of a good sized company. For the size of the company inferred by the balance sheet the level of net assets suggests a comfortable level of cover for total debts and obligations.   The following is based on the accounts data presented in this report sourced from Companies House, however the company has filed later accounts. Our analysis of the latest account can be viewed by unlocking our full report.The current section of the balance sheet has positive working capital. We would normally consider this positively. Total reserves including retained profitability and movement in reserves has some deficiency. The balance sheet indicates the net assets of a good sized company. For the size of the company inferred by the balance sheet the level of net assets suggests a comfortable level of cover for total debts and obligations.

This review of public record balance sheet and company status information is presented under the terms of Open Government Licence and is for informational purposes only, is general in nature, and is not intended as an opinion or advice for any specific circumstances. The commentary and the colour band score is not a credit rating or credit risk assessment.

This review does not constitute a full credit rating or credit risk assessment based on the full analysis and credit score algorithms used in our credit reports. A full credit report may also provide information relating to trade payment history and county court or court judgments if any.

Public Record Information Unlock full report
Exact Court Judgements
Period of Months Last 12m 13-24m 25-36m 37-48m 49-60m 61-72m
Number of Exact CCJS X Y Y X X Y
Value of Exact CCJS YXY YK S S X KX
Supplier Credit Limits Unlock full report
Date Sector Notified Amount Terms
XK-SXY XKXYXK SXSKXYXK £X,000 XS XYSKS
SK-SYY SKXYXKYKKY KSXX KKXXYXS £YY,000 YS XYSKS SK YXXSXS
YK-SXY XKXYXYYK SXSXYXK £SX,000 XS XYSKS
Payment Records Unlock full report
Payment Records from it's suppliers' company ledger show how a company is paying its suppliers

Payment Analysis

Total Invoices Paid Before
30 days due		 Paid After
30 days due		 Owing Before
30 days due		 Owing after
30 days due
XYX SX K YX X
Company Valuation Analysis Unlock full report

Going Concern Valuation

The going concern valuations value the company on the basis that it continues to trade without the threat of liquidation for the foreseeable future. These valuations are primarily profit and cashflow based.

Valuations Valuation Measures
Estimated High Value £XSI,000 Retained Profit £YX,000
Estimated Mid Value £YY,000 EBIT £SY,000
Estimated Low Value £X,000 EBITDA £SSX,000

Liquidation Valuation

The liquidaton valuation values the company as if it were to cease trading and assets were subject to rapid disposal to cover liabilities. This valuation is primarily asset based.

Valuations Valuation Measures
Estimated High Value £XY,000 Total Assets £XIX,000
Estimated Mid Value £Y,000 Net Assets £YX,000
Estimated Low Value £S,000 Tangible Equity £SX,000

The above valuations are based on our own algorithms and take no account of many factors that can influence actual valuations realized and should not therefore be assumed to be accurate.
Credit Status Checklist Unlock full report
Business Growth Please purchase a report to see true comments
EBITDA Purchase a report to see true comments
Dividends Please purchase a report to see true comments about this company
Retained Profits Retained Profits for this company
Debt Interest Debt Interest for this company
Cash Flow Cash Flow for this company
CCJs CCJs for this company
Age of Company Age of Company for this company
Solvency Solvency for this company
Secured Creditors Secured Creditors for this company
Ownership Ownership for this company


First Report Score: (0-10) X
Financial Status Guide:
10 Very Strong
9 Strong
8 Very Good
7 Good
6 Above Average
5 Average
4 Below Average
3 Poor
2 Weak
1 Very Weak
0 Critical

Risk Score Trend

Risk Rating Unlock full report

This is the credit risk assessment used by one of the top UK credit reference agencies.

Risk Score (1-100) X
Risk Band Description XXMXMXMX SISX
Risk Assessment Meeting of Creditors
Credit Rating XSKX
Altman Z Score Credit Risk Rating Unlock full report

There have been many bankruptcy predictors developed, however none has been so thoroughly tested and broadly accepted as the Altman Z-Score.

Z Score X
Risk Band XY
Risk Band Description The Z Score is not used for small companies where full accounts are not filed because profit and loss account items are required to calculate the score.

Z Score Bands

1 Low Risk 3.00 and above
2 Caution 2.63 - 2.99
3 Risk of Failure within 2 years 1.24 - 2.62
4 High Probability Failure Below 1.24
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PARKER PARR AND COMPANY LIMITED
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Document Filings
Statement of capital on 5 March 2026
Solvency Statement dated 26/02/26
Statement by Directors
Resolutions
Director's details changed for Ms Michelle Lewis on 15 January 2026
Confirmation statement made on 31 December 2025 with updates
Director's details changed for Mr Richard Alan Lemmon on 1 June 2025
Change of details for R P S Group Limited as a person with significant control on 2 January 2025
Statement of capital following an allotment of shares on 28 September 2025
Resolutions
Memorandum and Articles of Association
Resolutions
Certificate of change of name
Change of name notice
Appointment of Dr Michael Robert Shaw as a director on 9 January 2025
Termination of appointment of David Robert Dunbar as a director on 31 December 2024
Confirmation statement made on 31 December 2024 with no updates
Registered office address changed from 20 Western Avenue Milton Park Abingdon Oxfordshire OX14 4SH to 101 Park Drive Milton Park Abingdon Oxfordshire OX14 4RY on 2 January 2025
Termination of appointment of Christopher Green as a director on 2 November 2024
Confirmation statement made on 31 December 2023 with updates
Appointment of Mr David Craig Hatch as a director on 17 November 2023
Appointment of Mr Richard Alan Lemmon as a director on 2 November 2023
Appointment of Mr Christopher Green as a director on 2 November 2023
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