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TETRA TECH LIMITED

Architecture & engineering
Large

Tetra Tech Limited is a global provider of high-end consulting and engineering services, focusing on improving the quality of life through science, technology, and innovation.

tetratech.com ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£4.2m
Live
4
Buyers
5
12m
£4.2m
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts4 / 5
  • Top buyers5
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — TETRA TECH LIMITEDUpdated 06 Jul 2026

At a glance · for buyers and watchdogs

TETRA TECH LIMITED has won £4.2m across 5 public-sector buyers, with 4 live contracts.

Why: top buyer Adra (Tai) Cyf at 94% · 100% in Architecture & engineering · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
No CH recordCompany status
4 of 5Live contracts
94%Top-buyer concentration
100%Category exposure
0Contract modifications
If you're a buyer:CapabilitiesReferencesKPIComplianceWatchdog?FlagsModificationsConcentrationNews

Social value

Commitments mapped to the Government Social Value Model themes.

⚑ Self-reported
—

No social-value commitments yet

Jobs, skills, environmental, inequality and community commitments appear here once a claimed supplier attributes them to awarded contracts, or once we detect them on the supplier’s website.

ESG & policies vault · 0/5

Key governance & sustainability policies. Published documents link out; missing ones are greyed.

↔ Cross-checked
Net-zero planNot provided✓
Modern slavery statementNot provided✓
EDI policyNot provided✓
Anti-briberyNot provided✓
Data protectionNot provided✓

Capabilities

What this supplier does, where they sit, who they sell to.

◐ From website & notices
Services · 15
One WaterData Center SolutionsDefense ServicesDigital SystemsDisaster and Emergency ManagementEnvironmentFederal ITForeign Assistance ServicesHigh Performance BuildingsMining and Metals ProcessingPFAS ManagementPower and EnergySolid WasteStrategic CommunicationsTransportation

Extracted automatically from tetratech.com on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

Case studies · 2

Delivery stories from the supplier’s website. Clients are not yet cross-checked against award records.

◐ From supplier website
Supporting Delivery of Safe Water across Northern IrelandEnhancing Wastewater Treatment and Water Resiliency in Virginia

Extracted automatically from tetratech.com on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

Buyer references

Named public-sector contacts who have agreed to act as a reference.

✓ Confirmed by buyer
—

No buyer references yet

Public-sector buyers can confirm they'll act as a reference for this supplier. Confirmed references — with the contract they relate to — show here.

Accreditations & memberships

Independently issued. Verification dates cross-checked against issuer registers.

↔ Cross-checked
—

No accreditations recorded

B-Corp, ISO, Cyber Essentials, Living Wage and similar credentials appear here once added by a claimed supplier and cross-checked against the issuing register.

KPI performance

Delivery, budget and satisfaction scores reported quarterly by buyers.

✓ Verified
84

No verified KPI scores yet

Once buyers report contract KPIs — delivery on time, on budget, satisfaction, adoption and accessibility — a weighted grade and breakdown appear here.

Contracts · 4 live · 1 historic

Pulled from Contracts Finder & Find a Tender. Most recent first.

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
GI-Tetra Tech Consulting Limited - A30 MP 150 - 168 Sign replacement
National Highways7135100009 Jul 2026£147k6 moLive
Fframwaith Ymgynghori Adeiladu / Construction Consultancy Framework
Adra (Tai) Cyf—13 Jul 2026£4.0m4 yrspending
Hanwood Park, Phase 2
Homes England (the name adopted by the Homes and Communities Agency)7100000014 May 2026£100k5 yrsLive
BE23/043 Medical Risk Grading LGI, SJUH & CAH
Leeds Teaching Hospitals NHS Trust————Live
Regeneration Framework
Belfast City Council71530000———Live
Total live value £247k · mean award £849k

Top buyers · 5 buyers · top 3 = 100%

Share of awarded value. Concentration fires above 40% for any single buyer.

✓ From notices
1
Adra (Tai) Cyf
1 contract
94%
since 2026
2
National Highways
1 contract
3%
since 2026
3
Homes England (the name adopted by the Homes and Communities Agency)
1 contract
2%
since 2026
4
Leeds Teaching Hospitals NHS Trust
1 contract
0%
5
Belfast City Council
1 contract
0%

Category mix

CPV-division share of last-12m awarded value. Single-category exposure: 100%.

✓ From notices
Architecture & engineering71
100%
⚠ Concentration: 100% of recent awarded value sits in a single CPV division. A category-specific downturn would materially affect revenue.

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
Wales1 contract
94%
South East1 contract
3%
North East1 contract
2%
Yorkshire1 contract
0%
Northern Ireland1 contract
0%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). TETRA TECH LIMITED highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
MA
MOTTRAM ASSOCIATES LIMITED
No£152.7m6
AC
Arcadis Consulting (UK) Limited
No£12.8m2
AE
AECOM LIMITED
No£12.7m9
OA
OVE ARUP & PARTNERS LIMITED
No£12.5m2
AT
AtkinsRéalis Limited
No£12.5m1
TT
TETRA TECH LIMITED
No£4.2m—
Compare peers →

Red flags · 0 active

Automated scan of Companies House status, charges and insolvency records.

✓ Verified
No Companies House record linked — automated risk checks unavailable.

Compliance scorecard

Derived from Companies House filings — not a full supplier-assurance check.

↔ Cross-checked
No Companies House record linked — statutory compliance checks unavailable.

Modifications

Variations to awarded contracts logged under Procurement Act 2023 s.74.

✓ From notices
±

No modifications recorded

No published contract variations for this supplier. Modification notices appear here as they are issued under the Procurement Act 2023.

News mentions

UK trade press & nationals, matched to this supplier.

◰

No news mentions found

We haven't matched any recent UK press coverage to this supplier. Mentions appear here automatically as they're published.

Companies House

Registered details, directors and PSC.

✓ Live sync
🏛

No Companies House record linked

No Companies House number on file — this supplier may be overseas, a sole trader or a consortium.

Financial

Filed accounts from Companies House.

↔ From Cos House
£

No financial filings on record

Turnover, profit and headcount appear here once audited or micro-entity accounts are filed at Companies House.

Org tree

Group structure and ownership.

↔ From Cos House
—
— · this company

Independent. No parent company or subsidiaries recorded at Companies House for this entity.