Shamrock Civil Engineering
Shamrock Civil Engineering is a privately held Australian civil construction contractor (founded 1994, Brisbane) delivering bulk earthworks, roadworks, bridges, landfill cell construction, and defence infrastructure for government and major head contractors across Australia and PNG.
- Company typePrivate
- Founded1994
- HeadquartersBrisbane, Australia
- Headcount101–250
- GTM typeB2B
- OfferingServices
What Shamrock Civil Engineering does
Shamrock Civil Engineering Pty Ltd is a privately held Australian civil construction contractor founded in 1994 and headquartered in Brisbane, with a secondary operating presence in Papua New Guinea. It delivers project-based civil contracting services including bulk earthworks, demolition, decontamination, roadworks, bridge and culvert construction, water and sewer reticulation, and design-and-construct delivery. The firm has developed specialised niches in landfill cell construction (geo-synthetic lining, leachate collection, capping and rehabilitation) and Australian Defence Force infrastructure (training areas, marksmanship ranges, barracks, naval precinct works at Osborne). Capability is built on a mobile fleet of more than 200 GPS-equipped plant and equipment items, six regional offices across Queensland, Victoria and South Australia, certified UAV/drone mapping outputs (3D point clouds, TIN models), and HammerTech-based digital safety, quality and environmental management. The workforce of 186+ is supported by graduate, apprenticeship and veteran-recruitment programmes.
The go-to-market is sales-led and bid-based: Shamrock tenders directly to federal and state government agencies (notably the Department of Defence, Australian Naval Infrastructure, and multiple local councils) and supplies specialist civil works packages to major tier-one head contractors (Lendlease, Laing O'Rourke, ADCO, Cleanaway, Sun Metals). Revenue is generated almost exclusively through multi-year project contracts; no standard pricing or subscription model exists. The company is privately held with no disclosed external funding, ownership rests with the founder/director group (Directors Brendan Kealy and Leslie Zeeman, plus CEO Andrew Kerr), and Brendan Kealy's stated focus on international acquisition opportunities hints at potential inorganic expansion beyond Australia and PNG.
The business operates under a defensible compliance stack — ISO 9001:2015, ISO 14001:2015, ISO 45001:2018 and AS 4801 quality, environmental and safety systems; a six-year Federal Safety Commissioner accreditation; and VicRoads prequalification at Roads R3, Bridges B2 and Financial Level F75 — which together gate access to large Australian federal and state civil works tenders. Recognition includes the #1 ANZ SME ranking in the 2023 ADM Defence Contractors Survey (up from #38 to #24 to #1), multiple Australian Institute of Building Professional Excellence Awards (2021, 2022, 2026), and industry acknowledgement for indigenous participation exceeding 20% on defence projects and 1.5 million man hours without a lost time injury.
Shamrock Civil Engineering firmographics
Firmographics- Name
- Shamrock Civil Engineering
- Legal name
- Shamrock Civil Engineering Pty Ltd
- Website
- https://shamrockcivil.com.au
- Company type
- Private
- Founded year
- 1994
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Shamrock Civil Engineering is a privately held Australian civil construction contractor (founded 1994, Brisbane) delivering bulk earthworks, roadworks, bridges, landfill cell construction, and defence infrastructure for government and major head contractors across Australia and PNG.
- Ownership category
- akta.pro rank
Shamrock Civil Engineering industry classification
Industry- Product category
- Civil Construction Services
- NAICS
- Heavy and Civil Engineering Construction (237), Highway, Street, and Bridge Construction (237310), Water and Sewer Line and Related Structures Construction (237110)
- SIC
- Heavy Construction Other Than Bldg Const - Contractors (1600), Water, Sewer, Pipeline, Comm & Power Line Construction (1623)
- akta.pro primary industry
- Trenching & Utility Excavation (IMAFAKAD)
- akta.pro secondary industries
- Storage & Conveyance Structures (Reservoirs, Tanks, Culverts, Tunnels) (IMAFAGAE), Civil & Structural Engineering Consulting (BPAHAIAA)
Keywords
Where Shamrock Civil Engineering is headquartered
LocationHeadquarters
- HQ city
- Brisbane
- HQ country
- Australia
- HQ region
- Oceania
Offices3 records
Markets served
Shamrock Civil Engineering business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Infrastructure, Operations, Supply Chain, Marketing or Sales, Technology or R&D
Revenue model
- Civil Construction Services: Project-based civil construction contracting revenue from delivering projects including bulk earthworks, demolition, decontamination, roadworks, bridge and culverts, water and sewer reticulation, and design and construct projects for government and commercial clients across Australia and PNG.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Project-based civil construction contracting - no standard pricing tiers |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels5 records
Shamrock Civil Engineering product offering
Product offeringCore offering
Shamrock Civil Engineering is a civil construction contractor delivering bulk earthworks, demolition, decontamination, roadworks, bridge and culvert construction, water and sewer reticulation, and design-and-construct project delivery for government and commercial clients across Australia and Papua New Guinea. The company holds specialised expertise in landfill cell construction (with geosynthetic lining systems) and defence infrastructure works, supported by a fleet of over 200 GPS-equipped plant and equipment items.
Product overview
Shamrock Civil Engineering is a civil construction company offering a unified suite of construction services rather than a modular software product. Their core capabilities include bulk earthworks, demolition, decontamination, roadworks, bridge and culverts, water and sewer reticulation, and design-and-construct project delivery. The company has developed specialized expertise in landfill cell construction and rehabilitation (including geo-synthetic lining systems and leachate collection), and defence infrastructure works across Australian Defence Force facilities. They also offer UAV/drone mapping solutions as a specialized service for survey and monitoring. These services are delivered through their mobile fleet of over 200 plant and equipment units across multiple regional offices in Australia.
Differentiator
Problem solved
Functional benefit
Products and services
- Bulk Earthworks Large-scale excavation, moving, and grading of earth materials for site preparation and construction foundations. Offered to government and commercial clients across Australia and PNG.
- Demolition Controlled demolition and removal of existing structures and infrastructure. Offered to government and commercial clients.
- Decontamination Environmental remediation services including PFAS contaminated spoil removal and handling. Offered to government and commercial clients requiring specialist contamination management.
- Roadworks Construction and upgrade of roads, intersections, pavements, and associated infrastructure including rigid and flexible pavements. Offered to government and commercial clients; supported by VicRoads prequalification.
- Bridge and Culverts Design and construction of bridges, culverts, and floodway structures. Offered to government and commercial clients; supported by VicRoads prequalification.
- Water and Sewer Reticulation Installation of water supply and sewerage collection systems including pipelines, pits, and associated infrastructure. Offered to government and commercial clients.
- Design and Construct Projects Integrated project delivery combining design and construction phases for civil infrastructure projects. Offered to government and commercial clients seeking single-point accountability.
- Landfill Cell Construction Construction of engineered landfill cells including bulk earthworks, geosynthetic lining systems (GCL, HDPE, Geotextile), clay liners, leachate collection systems, and environmental containment infrastructure. Targeted at waste management operators such as Cleanaway.
- Landfill Rehabilitation Rehabilitation of existing landfill sites including capping, drainage works, and environmental remediation. Targeted at waste management operators and councils.
- Defence Infrastructure Works Civil works for Australian Defence Force facilities including training areas, ranges, barracks, naval facilities, and military infrastructure. Targeted at the Australian Department of Defence and Australian Naval Infrastructure.
- Unmanned Aerial Vehicle (UAV) Mapping Solutions Certified UAV/drone operator providing aerial mapping, survey capabilities, 3D point cloud outputs, contours, and site imagery for civil construction projects. Internal capability used to support project delivery for clients.
Quantifiable outcome
- 1.5 million man hours without a lost time accident
- +4 more outcomes
Companies that use Shamrock Civil Engineering
Customer profileNamed customers10 records
Segments4 records
Ideal customer profiles3 records
Shamrock Civil Engineering technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
Shamrock Civil Engineering partnerships and signals
Strategic signalPartnerships
Eight partnerships are on record, tiered minor.
- The Oasis Townsville (Veterans Business Alliance)minorPartnership with veteran recruitment services to connect with highly skilled former defence personnel seeking civilian careers in the civil construction industry. Provides veterans with meaningful career paths in civil engineering and construction.
- Mates in ConstructionminorCharity partnership supporting suicide prevention through community development programs on construction sites. Shamrock Civil participates in Mates in Construction Fly the Flag Day and hosts BBQ fundraisers across job sites and offices.
- Endeavour Foundation Townsvilleminor'Construction with Purpose' initiative raised $16,000 for Endeavour Foundation Townsville supporting employment opportunities, skills training, and independence for people with intellectual disability. Partnership on Yarrawonga Drive Remediation Project.
- OxfamminorCharitable partner supported through community sponsorships and fundraising initiatives.
- Zimbabwe Aid FundminorCharitable partner supported through community sponsorships and fundraising initiatives.
- Movember FoundationminorMen's health charity partner supported through fundraising and employee participation in Movember campaigns.
- Heart Kids AustraliaminorCharitable partner supported through community sponsorships and fundraising.
- Soldier OnminorVeteran support organisation partnered with for veteran recruitment and employment support in civil construction roles.
Scale indicators10 records
Recent moves7 records
Expansion highlights6 records
Shamrock Civil Engineering competitors and assessment
Company assessmentDirect peers
- BMD Group: Privately held Australian civil contractor of similar size delivering bulk earthworks, roads, bridges, and utility infrastructure across QLD, VIC, and other states. Comparable mid-sized civil contractor with similar customer base (government, head contractors) and project-based delivery model.
- Georgiou Group: Privately held Australian civil and structural contractor delivering roads, bridges, earthworks, and water infrastructure across WA and other states. Similar privately-held mid-tier contractor profile with comparable service mix and government customer base.
- Fulton Hogan: Large privately held Australia/NZ civil infrastructure contractor delivering roads, bridges, earthworks, water, and landfill services. Closest international comparison given shared Australasian geographic footprint, similar services, and landfill/waste infrastructure expertise.
- McConnell Dowell: Australian civil contractor (owned by CCCC International) delivering pipelines, water, marine, and civil infrastructure across Australia and Asia-Pacific. Comparable services in water/sewer reticulation, earthworks, and remote project delivery with PNG/APAC exposure.
- Seymour Whyte: Mid-sized Australian civil contractor (now part of Gamuda) delivering roads, bridges, earthworks, and utilities across eastern Australia. Closely comparable in size, geographic footprint (QLD, VIC, NSW), and service offering to Shamrock Civil Engineering.
Broad incumbents
- CPB Contractors: Major Australian civil contractor (CIMIC Group subsidiary) delivering roads, rail, water, defence, and tunnelling across Australia and NZ. Much larger incumbent competing for the same defence and infrastructure tenders Shamrock pursues.
- John Holland: Major Australian infrastructure and building contractor (owned by CCCC International) delivering civil works, rail, water, and tunnelling across Australia. Larger incumbent competing for the same defence, public infrastructure, and head-contractor work.
- Downer EDI: Large ASX-listed Australian infrastructure services group delivering transport, utilities, and civil construction across Australia and NZ. Competes for similar tenders and provides a public-market comparable for valuation purposes.
Market position
Weaknesses4 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
Shamrock Civil Engineering social profiles
Digital presenceShamrock Civil Engineering compliance and trust
Trust signalCompliance6 records
Shamrock Civil Engineering financial estimates
Financial estimateRevenue estimate
Valuation estimate
Shamrock Civil Engineering leadership team
Management profileNumber of profiles
Profiles4 records
Shamrock Civil Engineering funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Shamrock Civil Engineering M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Shamrock Civil Engineering
What does Shamrock Civil Engineering do?
Shamrock Civil Engineering is a civil construction contractor delivering bulk earthworks, demolition, decontamination, roadworks, bridge and culvert construction, water and sewer reticulation, and design-and-construct project delivery for government and commercial clients across Australia and Papua New Guinea. The company holds specialised expertise in landfill cell construction (with geosynthetic lining systems) and defence infrastructure works, supported by a fleet of over 200 GPS-equipped plant and equipment items.
Is Shamrock Civil Engineering a public or private company?
Shamrock Civil Engineering is a private company. It is classified as management employee owned and is currently operating.
When was Shamrock Civil Engineering founded?
Shamrock Civil Engineering was founded in 1994. It employs 101 to 250 people.
Where is Shamrock Civil Engineering based?
Shamrock Civil Engineering is headquartered in Brisbane, Australia, in the Oceania region.
How does Shamrock Civil Engineering make money?
One revenue line is on record: civil Construction Services.
Who are Shamrock Civil Engineering's main competitors?
Direct peers on record are BMD Group, Georgiou Group, Fulton Hogan, McConnell Dowell and Seymour Whyte. Broad incumbents are CPB Contractors, John Holland and Downer EDI.
Does Shamrock Civil Engineering have an API?
No public API is recorded for Shamrock Civil Engineering.
What industry is Shamrock Civil Engineering in?
Shamrock Civil Engineering's product category is Civil Construction Services. Its primary akta.pro industry code is IMAFAKAD, Trenching & Utility Excavation, with a secondary code of IMAFAGAE, Storage & Conveyance Structures (Reservoirs, Tanks, Culverts, Tunnels). Its NAICS code is 237 and its SIC code is 1600.