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Declared

CRO company 161581

Tetra Tech Ireland LIMITED

Tetra Tech Ireland LIMITED is company 161581 on the CRO register, with its registered office in Dublin. It is named as a supplier on 59 published public contract awards, from 29 public bodies, most often Health Service Executive (HSE). Awards where it is the only named supplier total €620.9M. The latest is dated 5 October 2026.

Company number
161581
Status
Normal
Type
LTD - Private Company Limited by Shares
Registered
1990-07-11
Registered office
WEST PIER BUSINESS CAMPUS, OLD DUNLEARY ROAD, DUN LAOGHAIRE CO. DUBLIN, DUN LAOGHAIRE,DUBLIN
Latest accounts made up to
2025-09-30
Last annual return
2026-06-30
Next annual return date
2027-06-30
Current name since
2026-03-30
Current type since
2016-01-30
59
Awards
28 awards with a single named supplier
€620,851,620
Sole-supplier value
€2,732,133,518 in total across all named suppliers; each supplier's share is not published
31
Shared awards
0
Declared by politicians

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Timeline

Dated events from every connected source. Declarations are dated to the end of their registration period.

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  • 2016
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TypeAll 63Contract awards 59Company register 4
YearAll2026 162025 12024 52023 52022 42021 82020 92019 52018 22017 22016 42015 11990 1

2016

  1. Contract awardsAward: Professional Services for Strategic Environmental Assessment, Appropriate Assessment and Strategic Flood Risk Appraisal as Part of the Preparation of the National Planning FrameworkDepartment of Housing Local Government and Heritage → Tetra Tech Ireland Limited · Not stated
    OGP
  2. Contract awardsAward: : Invitation to Tender – Design Consultancy and Project Management Services for Mullingar Street Enhancement, Mullingar, County Westmeath.Westmeath County Council → Tetra Tech Ireland Limited · €319,400
    OGP
  3. Contract awardsAward: RFI for Engineering Consultancy Framework for Shannon Airport Authority Ltd.Shannon Airport Authority DAC → Arup | Tetra Tech Ireland Limited | TOBIN Consulting Engineers · €100,000
    OGP
  4. Company registerCompany type changedLTD - Private Company Limited by Shares
    CRO