TETRA TECH CONSULTING (NI) LIMITED
Active Company number NI667243
TETRA TECH CONSULTING (NI) LIMITED (company number NI667243) is a private limited company incorporated on 24 January 2020. Its status on the Companies House register is Active. Its registered office is in Belfast, BT6 9UP. Its nature of business (SIC 2007) is engineering related scientific and technical consulting activities (71122). Its latest accounts we hold, for the period ending 30 September 2020, report net assets of £1.
Source: Companies House register, as at 29 September 2026. How to cite this page
Information only, not advice. Register details and accounts figures are the company's own filings, shown as filed: CompanyStack does not audit or verify them and accepts no responsibility for decisions made on them. Check important facts at Companies House.
Company Report on TETRA TECH CONSULTING (NI) LIMITED (PDF)
The register, the accounts and the people behind the company in one PDF, for your own business use.
- Summary and Health Score, with the reasons behind the score
- Red flags and what changed in the last 12 months
- Key figures against the year before, and filing deadlines
- Financials ledger: up to 10 years of filed accounts
- Who runs and owns it: directors, secretaries and PSCs
- Charges, filing history and methodology
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Company details
- Company number
- NI667243
- Status
- Active
- Company type
- Private Limited Company
- Incorporated
- 24 January 2020
- Country of origin
- United Kingdom
- Registered office
- 1 LOCKSLEY BUSINESS PARK
MONTGOMERY ROAD
BELFAST
BT6 9UP
NORTHERN IRELAND
Nature of business (SIC 2007)
Accounts and confirmation statement
- Accounting reference date
- 30 September
- Accounts category
- FULL
- Accounts last made up to
- 28 September 2025
- Next accounts due
- 30 June 2027
- Confirmation statement last made up to
- 22 January 2026
- Next confirmation statement due
- 5 February 2027
Financial summary
| Period ending | 30 September 2020 |
|---|---|
| Net assets | £1 |
Figures read from filings at Companies House (ixbrl) and checked; see how we read them. Small-company accounts often omit turnover and profit. Spotted an error? Tell us.
Control, officers and charges
- Persons with significant control
- 1 current (2 including ceased)
- Corporate controllers
- Tetra Tech Limited
Previous names
- TETRA TECH PROJECTS NORTHERN IRELAND LIMITED (changed 18 March 2020)
Questions about TETRA TECH CONSULTING (NI) LIMITED
Is TETRA TECH CONSULTING (NI) LIMITED active?
Yes. The Companies House register shows the company's status as “Active”. (Companies House register, as at 29 September 2026.)
When was TETRA TECH CONSULTING (NI) LIMITED incorporated?
TETRA TECH CONSULTING (NI) LIMITED was incorporated on 24 January 2020, according to the Companies House register. (Companies House register, as at 29 September 2026.)
Where is TETRA TECH CONSULTING (NI) LIMITED registered?
Its registered office is in Belfast, BT6 9UP. (Companies House register, as at 29 September 2026.)
Who controls TETRA TECH CONSULTING (NI) LIMITED?
The register lists 1 current person with significant control (2 including those who have ceased). Corporate controllers named on the register: Tetra Tech Limited. The register shows control, not a list of shareholders. Individuals are named at https://find-and-update.company-information.service.gov.uk/company/NI667243/persons-with-significant-control. (Companies House register, as at 29 September 2026.) Who owns a UK limited company: shareholders, PSCs and what the register shows
When are TETRA TECH CONSULTING (NI) LIMITED's next accounts due?
The register shows the next accounts as due by 30 June 2027. Its latest accounts on the register were made up to 28 September 2025. (Companies House register, as at 29 September 2026.)
Does TETRA TECH CONSULTING (NI) LIMITED file dormant accounts?
Not in its latest accounts. The register gives their category as “Full accounts”, made up to 28 September 2025. (Companies House register, as at 29 September 2026.) What a dormant company is and what it must file
Is TETRA TECH CONSULTING (NI) LIMITED on a sanctions list?
No match for this company's name on the sanctions lists CompanyStack screens (UK, EU, OFAC SDN, OFAC non-SDN, Canada, Australia, New Zealand, Japan, France, US CSL) as at 6 October 2026. A name screen is not legal clearance.
Related companies
More engineering related scientific and technical consulting activities companies
- AMEY OW LIMITED
- KELLOGG BROWN & ROOT LIMITED
- AMEY OWR LIMITED
- AVL POWERTRAIN UK LIMITED
- AVL UNITED KINGDOM LIMITED
- CURTINS CONSULTING LIMITED
- RINA TECH UK LIMITED
- IOHK UK LIMITED
Industry overview: 22,029 active companies in SIC 71122
Other active companies registered at BT6 9UP
Related guides
Companies with similar names
Other companies, LLPs and partnerships on the Companies House register whose names begin “TETRA TECH”. Each is a separate legal entity from TETRA TECH CONSULTING (NI) LIMITED: check the registered number before relying on a name. Register data as at 29 September 2026.
- TETRA TECH CONSULTING LIMITED (Company, Active, Abingdon; 01470149)
- TETRA TECH ENVIRONMENT PLANNING TRANSPORT LIMITED (Company, Active, Leeds; 03050297)
- TETRA TECH ENVIRONMENTAL AND PLANNING (NORTHERN IRELAND) LIMITED (Company, Active, Belfast; NI050736)
- TETRA TECH ENVIRONMENTAL MANAGEMENT LIMITED (Company, Active, Abingdon; 01756175)
- TETRA TECH EUROPE EXECUTIVE SERVICES LIMITED (Company, Active, Abingdon; 10705397)
- TETRA TECH GROUP LIMITED (Company, Active, Leeds; 06595608)
About CompanyStack
CompanyStack turns Companies House records into answers you can act on: who a company is, who runs and owns it, whether it keeps up with its filings and how its finances are moving. Every figure traces back to a public record, and we say when a record is missing.
Sources for company pages: Companies House (register, accounts, officers, PSCs, charges and filings), The Gazette (company insolvency notices only), the ONS Postcode Directory, official sanctions lists, including those of the UK (with UN designations), the EU, the US, Canada, Australia, New Zealand and France, and copies taken in April 2026 of the ICO register, the Charity Commission, CQC, Ofsted, Food Standards Agency and Environment Agency registers. Contains public sector information licensed under the Open Government Licence v3.0. CompanyStack is not affiliated with or endorsed by Companies House.
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Official register entry: TETRA TECH CONSULTING (NI) LIMITED on Companies House.
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