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Declared

CRO company · CRO company 161581

Tetra Tech Ireland LIMITED

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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  • Contract awards
  • 2026
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TypeAll 63Contract awards 59Company register 4
YearAll2026 162025 12024 52023 52022 42021 82020 92019 52018 22017 22016 42015 11990 1

2026

  1. Contract awardsAward: 9388 - Multi-Party Framework for Construction supervision and Contract Administration services for PMP Phases 6 and 7Iarnród Eireann-Irish Rail → Roughan and O'Donovan _20818 | Tetra Tech Ireland Limited | Egis Engineering Ireland Limited (formerly known as JB Barry and Partners Limited) | AtkinsRéalis_10323 · €250,000,000
    TED
  2. Contract awardsAward: Multi- Party Framework Agreement for HSE Design Team Services Framework 2024 - Framework 04 Acute Healthcare Capital Works - Project Value €15M to €60M excl. VAT for HSE NEHealth Service Executive (HSE) → Van Dijk Architects_29337 | Reddy Architecture + Urbanism | Kennedy FitzGerald Architects | McCauley Daye O'Connell Architects | Isherwood and Ellis_95501 | Pascall+Watson | Scott Tallon Walker Architects_50999 | Mulcahy McDonagh and Partners Ltd._19889 | AECOM Ireland Limited_15958 | WH Stephens | Tetra Tech Consulting Ireland Limited | AtkinsRéalis_10323 | Tetra Tech Ireland Limited | Semple and McKillop Ltd_50796 | IN2 Design Partnership Ltd_95680 | Hayes Higgins Partnership | Troup Bywaters and Anders | O'Connor Sutton Cronin_19870 | HLCE Limited | TJ O'Connor and Associates | PUNCH Consulting Engineers | Maurice Johnson and Partners | Michael Slattery Associates | GARLAND | KSN Project Management | Varming Consulting Engineers Ltd. | BTY Ireland Ltd. | i3PT Certification Association_95120 · €600,000,000
    TED
  3. Contract awardsAward: Framework for Environmental Consultancy Services for Transport Projects funded by the NTANational Transport Authority → CAAS Ltd | Tetra Tech | Aecom Ireland Ltd | Arup | Systra Ltd · €5,000,000
    TED
  4. Contract awardsAward: Multi-Party Framework Agreement for HSE Design Team Services Framework 2024 – FW05: Non-Acute Healthcare Capital Works – project value €15M - €60M excl. VAT for Dublin North, Swords OfficeHealth Service Executive (HSE) → Reddy Architecture + Urbanism | Coady Partnership Architects Limited T/A COADY Architects | McCauley Daye O'Connell Architects | Scott Tallon Walker Architects_50999 | Pascall+Watson | Moloney O'Beirne Architects | Oberlanders Group LLP | McGahon Surveyors Ltd. | Mulcahy McDonagh and Partners Ltd._19889 | Tom McNamara and Partners_19459 | WH Stephens | AtkinsRéalis_10323 | Hayes Higgins Partnership | Semple and McKillop Ltd_50796 | J.V. Tierney and Co (2002) Ltd | DELAP and WALLER | Tetra Tech Ireland Limited | IN2 Design Partnership Ltd_95680 | Cronin and Sutton Consulting | PUNCH Consulting Engineers | Roughan and O'Donovan_3051 | Curtins Consulting Limited | Meinhardt UK Ltd | HLCE Limited | Arup _4744 | Michael Slattery Associates | AECOM Ireland Limited_15958 | KSN Project Management | Varming Consulting Engineers Ltd. | BTY Ireland Ltd. | i3PT Certification Association_95120 | GARLAND | ORS | Sweco Ireland Limited_113792 · €600,000,000
    TED
  5. Contract awardsAward: Multi-Party Framework for Planning Consultancy ServicesDublin Port Company → Tetra Tech Ireland Limited | KPMG Future Analytics | Arup _4744 · €2,000,000
    TED
  6. Contract awardsAward: Consultancy Services to prepare Regional Renewable Energy Strategies for the Eastern and Midlands Regional Assembly, Northern and Western Regional Assembly and Southern Regional Assembly.Southern Regional Assembly → Tetra Tech Ireland Limited · €172,203
    TED
  7. Contract awardsAward: Multi-Party Framework Agreement for HSE Design Team Services 2025 - Major Capital Works DSE project value €50m - €400m excl. VAT - Building Services Engineering (MandE) ServicesHealth Service Executive (HSE) → Mott MacDonald Ireland_19102 | AECOM Ireland Limited_15958 | Tetra Tech Ireland Limited | J.V. Tierney and Co (2002) Ltd | Douglas Carroll Consulting Engineers | BDP_45462 · €50,000,000
    TED
  8. Contract awardsAward: Multi-Party Framework Agreement for HSE Design Team Services 2025 - Major Capital Works DSE project value €50m - €400m excl. VAT - Civil and Structural Engineering ServicesHealth Service Executive (HSE) → AECOM Ireland Limited_15958 | Molony and Millar | AtkinsRéalis_10323 | Mott MacDonald Ireland_19102 | BDP_45462 | Tetra Tech Ireland Limited | Roughan and O'Donovan_3051 | Malone O'Regan_11849 · €50,000,000
    TED
  9. Contract awardsAward: Major capital works projects (€50M+) at RHA B lot 2 Acute Group B at St James’s Hospital; Tullamore Hospital; Coombe Hospital and Mullingar HospitalHealth Service Executive (HSE) → AtkinsRéalis_10323 | BTY Ireland Ltd. | AECOM Ireland Limited_15958 | Mulcahy McDonagh and Partners Ltd._19889 | O' Reilly Hyland Tierney Ltd | Tetra Tech Ireland Limited | BDP_45462 | J.V. Tierney and Co (2002) Ltd | Arup _4744 | GARLAND | BB7 Consulting Limited | AFEC ENGINEERING_115462 | FCC Fire Cert Ltd. | Maurice Johnson and Partners | KSN Project Management | Mott MacDonald Ireland_19102 | Troup Bywaters and Anders | Varming Consulting Engineers Ltd. | Scott Tallon Walker Architects_50999 | Molony and Millar | MCA Architects | TODD Architects Ltd · €25,000,000
    TED
  10. Contract awardsAward: Multi- Party Framework Agreement for HSE West Building Services Engineering (M+E) - FW 05 Non Acute Healthcare Capital Works - Project Value €15M to €60M excl. Vat for HSE WestHealth Service Executive (HSE) → Tetra Tech Ireland Limited · €600,000,000
    TED
  11. Contract awardsAward: Multi-Party Framework Agreement for HSE Design Team Services Framework 2024 – FW04: Acute Healthcare Capital Works – project value €15M - €60M excl. VAT – SoutheastHealth Service Executive (HSE) → AandD Wejchert and Partners Architects Ltd T/A Wejchert Architects | Van Dijk Architects_29337 | Reddy Architecture + Urbanism | Healy Butler Moffat Ltd. | BDP_45462 | AtkinsRéalis_10323 | Michael Barrett Partnership_76472 | MJ Turley + Associates | AECOM Ireland Limited_15958 | O' Reilly Hyland Tierney Ltd | Lawlor Burns and Associates_37115 | Currie and Brown (Ireland) Ltd | Semple and McKillop Ltd_50796 | Varming Consulting Engineers Ltd. | Tetra Tech Ireland Limited | Douglas Carroll Consulting Engineers | Roughan and O'Donovan_3051 | Hayes Higgins Partnership | Malone O'Regan_11849 | TOBIN Consulting Engineers_8682 | O'Connor Sutton Cronin_19870 | FCC Fire Cert Ltd. | BB7 Consulting Limited | Maurice Johnson and Partners | Reddy O'Riordan Staehli Architecture | Occupli | ORS_110319 | BTY Ireland Ltd. | KSN Project Management | Assigned | i3PT Certification Association_95120 · €600,000,000
    TED
  12. Contract awardsAward: Multi-Party Framework Agreement for Civil and Structural Services 2024 for Major Works Projects at Connolly Hospital and Our Lady of LourdesHealth Service Executive (HSE) → Mott MacDonald Ireland_19102 | BDP_45462 | AECOM Ireland Limited_15958 | AtkinsRéalis_10323 | Tetra Tech Ireland Limited · €11,250,000
    TED
  13. Contract awardsAward: Multi-Party Framework Agreement for Mechanical and Electrical Services 2024 for Major Works Projects at Connolly Hospital and Our Lady of LourdesHealth Service Executive (HSE) → J.V. Tierney and Co (2002) Ltd | Tetra Tech Ireland Limited | Mott MacDonald Ireland_19102 | AECOM Ireland Limited_15958 | Arup _4744 · €16,875,000
    TED
  14. Contract awardsAward: ADAPT 4 Programme Innovate: Multi-Operator Framework for Integrated Project Team servicesDepartment of Education and Skills (not active) → Arup | AtkinsRéalis | Coady Partnership Architects Limited T/A COADY Architects | FaulknerBrowns LLP trading as FaulknerBrowns Architects | McAdam Design Ltd | O'Donnell + Tuomey Ltd. | Tetra Tech Ireland Limited · €72,627,329
    OGP
  15. Contract awardsAward: Clontarf Bridge UpgradeCork City Council → Tetra Tech Ireland Limited · €548,670
    OGP