Grant O'Callaghan & Associates
Contract history
Where the revenue comes from
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Construction
Open tenders matching this supplier's work
Design and Construct Contract for Kwinana Gas Power Generation 2 (220 MW open-cycle) — Clough for AGL Energy
Closes: Jun 09, 2027
Energy & Environment
Underground Civil Construction Services for Energy Queensland across Queensland (EOI)
Closes: Oct 12, 2026
Infrastructure
Planning Approval Services for South West Sydney Rail Project – Transport for NSW
Closes: Oct 09, 2026
Transport & Logistics
Supply, Installation and Certification of Roof Access and Fall Protection Systems for City of Belmont Facilities
Closes: Oct 06, 2026
Construction
Detailed Design and Construction Support Consultancy for New Alice Springs Library
Closes: Oct 09, 2026
Consultancy & Legal
Environmental Compliance Monitoring Services for WestConnex M8 St Peter Interchange
Closes: Oct 12, 2026
Energy & Environment
Solitary Islands Coastal Walk – Infrastructure Analysis and Visitor Experience Opportunities
Closes: Oct 14, 2026
Infrastructure
Principal Design Consultancy for REACT (Renewable Energy Awareness and Career Training) Centre — Wellington, NSW
Closes: Oct 15, 2026
Construction
Annual Essential Safety Measures Inspection, Servicing and Electrical Services for Public Buildings – City of Greater Bendigo
Closes: Oct 01, 2026
Public Safety & Security
Repairs and Maintenance of General Electrical Equipment — Darwin Region (36-month contract)
Closes: Sep 30, 2026
Infrastructure
Prequalification for Transport for NSW Technical Services
Closes: Sep 30, 2027
Infrastructure
Detailed Design Services for Mugga Lane Resource Management Centre – Cells 5 & 6
Closes: Oct 08, 2026
Energy & Environment
Who they are
Building certification and professional certifier services and related advice to government infrastructure and energy agencies, including the Department of Infrastructure and Territory Generation.
AI summary · inferred from awarded contractsIncludes consolidated data for: Grant O'Callaghan & Associates
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