What Winslow Constructors does

Winslow Constructors is an Australian privately-held civil construction business, founded in 1986 and headquartered in Campbellfield, Victoria, with operations across Victoria, Queensland, New South Wales and South Australia. The company delivers land development and infrastructure projects through three integrated business units: Constructors (residential subdivisions, medium-density and retirement living land lease communities), Infrastructure (complex infrastructure, major road projects, energy civil works, rail infrastructure and remediation), and Construction Support Services (landscaping, mobile crushing and screening with capacity of 1 million tonnes per annum, plant and equipment hire, surveying and digital engineering, and traffic management). Winslow self-performs most construction activities using a fleet of 142 excavators, 80 rollers, 40 dump trucks, 23 loaders, 22 graders and 18 backhoes, supported by in-house surveying with drone mapping, 3D/4D modelling and digital engineering workflows.

The company generates revenue through project-based construction contracts won via tender and direct negotiation, typically structured as multi-year fixed-price or cost-plus engagements with enterprise clients. The customer base is concentrated in Tier-1 residential developers (Stockland, Mirvac, Intrapac, Citinova, Wel.Co, Soho Victoria), industrial and commercial developers (ESR Investment Australia), renewable energy developers (GRS), and government agencies (Victorian Department of Transport and Planning, Australia Pacific Airports Melbourne, VicTrack, V/Line, Metro Trains Melbourne). Key engagements include long-duration masterplanned estates such as Woodlea (7,000+ lots, anticipated to 2030), Warralily (4,500+ lots over 12 years), Minta Farm (1,582 lots across 30+ stages since 2019), Smiths Lane (3,000+ lots) and Yallarah (2,000+ lots over 10 years), alongside infrastructure projects such as the Blind Creek Solar Farm, Melbourne Airport retarding basins and High Street Melton intersection upgrades.

Winslow's commercial moat is built on vertical integration (owning the surveying, crushing, traffic management, plant, and landscaping inputs that competitors subcontract), capital-intensive owned plant fleet, 40 years of brand reputation in Australian civil construction, and an internal talent pipeline via Winslow Learning, apprenticeships and a graduate program. The go-to-market motion is direct enterprise field sales, supported by project case studies, industry awards (CCF Earth Award, UDIA Masterplanned Development and Environmental Excellence awards, ISCA rating, NAWIC Apprentice of the Year) and community engagement programmes including Women of Winslow, the Big Blue mental health initiative, and the First Nations Southern Civil Construction Program. Revenue and headcount are not publicly disclosed; the company is privately held with no parent company or external investors identified.

Name

Winslow Constructors

Legal name

Winslow Constructors

Website

https://winslow.com.au

Company type

Private

Founded year

1986

Operating status

Operating

Headcount range

251–500 employees

Short description

Winslow Constructors is an Australian privately-held civil construction company delivering residential subdivisions, infrastructure, and renewable energy projects through vertically integrated business units spanning surveying, plant hire, mobile crushing, landscaping, and traffic management across Victoria, Queensland, NSW, and South Australia.

Ownership category

akta.pro rank

Headquarters

HQ city

Campbellfield

HQ country

Australia

HQ region

Oceania

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Infrastructure, Supply Chain, Operations, Technology or R&D

Revenue model

1. Civil Construction Services: Project-based civil construction contracts delivering residential subdivisions, infrastructure projects, and complex infrastructure works. Revenue is generated through fixed-price or cost-plus construction contracts with developers and government agencies. The company operates as a prime contractor self-performing most construction activities.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Winslow Constructors is an Australian-owned civil construction business that delivers land development, infrastructure, and construction support services for property developers, government agencies, and energy companies. The company operates through three business units (Constructors, Infrastructure, and Construction Support Services) and self-performs a vertically integrated portfolio including earthworks, road construction, residential subdivisions, rail infrastructure, energy civil works, mobile crushing and screening, landscaping, surveying, digital engineering, traffic management, and remediation.

Product overview

Winslow Constructors is a diversified Australian-owned civil construction business operating through three main business units: Constructors (land preparation and foundational elements for community development), Infrastructure (project management and engineering consultancy for complex infrastructure projects), and Construction Support Services (vertically integrated support services). The company offers a comprehensive portfolio of construction solutions including Residential, Medium Density & Retirement Living, Complex Infrastructure, Major Road Projects, Mobile Crushing and Screening, Plant & Equipment, Rail Infrastructure, Remediation, Landscaping, Surveying & Digital Engineering, Traffic Management, Utilities, and Energy. This vertically integrated model allows Winslow to maintain control over quality, programming, and costs by keeping essential functions in-house. The business operates across New South Wales, Queensland, South Australia, and Victoria, delivering projects for clients including Stockland, Mirvac, ESR Investment Australia, and government authorities.

Differentiator

Problem solved

Functional benefit

Brands

• Women of Winslow (WoW): Internal network dedicated to supporting, connecting and empowering women across the Winslow Group through professional development, networking events and mentoring programs.
• Big Blue
• Chat & Check-In

Products and services

• Residential Civil Construction Civil construction services for residential developments including earthworks, road construction, bridges, open spaces, parks, stormwater systems, water-retaining basins, and lakes, delivered for property developers such as Stockland, Mirvac, and Wel.Co.
• Medium Density & Retirement Living Construction Specialist civil construction for medium density housing, land lease communities, and retirement living developments that maximize land use while maintaining liveability.
• Complex Infrastructure Construction Sophisticated project management and engineering consultancy services for large multi-faceted and complex infrastructure projects in civil construction, rail, water, energy, and remediation sectors.
• Major Road Projects Civil construction services for major road infrastructure including road upgrades, intersections, and road authority works for government clients such as the Department of Transport and Planning.
• Energy Civil Works Civil Balance of Plant (BoP) works for renewable energy projects including solar farm construction, road construction, foundations, drainage, and trenching, delivered for clients such as GRS (Global Renewable Solutions).
• Rail Infrastructure Civil construction within live rail corridors including bridge over rail construction, utility crossings, CSR trenching, and works for clients such as VicTrack, V/Line, and Metro Trains Melbourne.
• Site Remediation Services Remediation civil works for complex brownfield and development sites including soil remediation, groundwater remediation, asbestos management, PFAS handling, and contaminated site management.
• Mobile Crushing and Screening Mobile contract crushing and screening services including on-site crushing and screening and quarry development with production capacity of 1 million tonnes per annum.
• Plant and Equipment Hire State-of-the-art fleet of excavators (142), rollers (80), dump trucks (40), graders (22), loaders (23), backhoes (18), compactors (11), and water trucks (8) available for civil construction project delivery.
• Landscaping Services Specialist landscaping including parks, playgrounds, streetscapes, wetlands, open space, skateparks, ovals, and cultivation works with integrated construction and maintenance capabilities.
• Surveying and Digital Engineering Surveying, drone, and digital engineering solutions using 3D avoidance technology, augmented reality, and 3D/4D modelling for residential, industrial, road/rail/bridge infrastructure, water, aerial surveying, and mining sectors.

Quantifiable outcome

• Delivered 8 stages at Katalia Estate ahead of program
• +3 more outcomes

Named customers9 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Six partnerships are on record, tiered core and minor.

• Renewal SAcoreStrategic or Co-development Partner · 28 May 2026Renewal SA's Works Program partnership in South Australia involves collaboration with TAFE SA, Construction Industry Training Board, Department for Education and its Workabout Centre, and Seaford Secondary College to deliver the First Nations Southern Civil Construction Program. Winslow SA hosted Aboriginal and Torres Strait Islander students on live construction sites providing hands-on civil construction training.
• TAFE SAcoreStrategic or Co-development PartnerTAFE SA partnership for the First Nations Southern Civil Construction Program providing accredited and non-accredited civil construction training to Aboriginal and Torres Strait Islander participants in Adelaide's south.
• Construction Industry Training BoardcoreStrategic or Co-development PartnerPartnership with Construction Industry Training Board for the First Nations Southern Civil Construction Program delivering civil construction training and pathways to apprenticeships.
• Department for Education (Workabout Centre)coreStrategic or Co-development PartnerWorkabout Centre partnership providing employment pathways and training opportunities for Aboriginal and Torres Strait Islander students entering civil construction careers.
• Seaford Secondary CollegeminorStrategic or Co-development PartnerSeaford Secondary College acting as lead school for the First Nations Southern Civil Construction Program providing training pathways for young Aboriginal Australians.
• Australia Pacific Airports (Melbourne)coreStrategic or Co-development PartnerWinslow Infrastructure appointed to construct retarding basins as part of Melbourne Airport's Steele Creek North Catchment drainage system, working with the airport's Environment & Sustainability team.

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Fulton Hogan: Large Australasian civil contractor covering roads, infrastructure, land development, and recycling. Comparable on civil delivery capabilities and multi-state presence, but operates at greater scale and broader geographic footprint including New Zealand.
• Lendlease: Global real estate and infrastructure group with significant Australian engineering and civil construction operations. Overlaps with Winslow on masterplanned community delivery and major infrastructure projects, but as part of a diversified development platform.
• CPB Contractors: Tier-1 Australian infrastructure contractor (CIMIC Group subsidiary) delivering roads, rail, tunnelling, and energy projects. Comparable on infrastructure civil works and government client base, though operates at materially larger scale and across major project alliances.
• John Holland: Major Australian infrastructure, rail, water, and energy contractor (CCCC-owned). Comparable on civil infrastructure, rail, and remediation capabilities, though with a national portfolio and capital base beyond Winslow's reach.
• Downer EDI: ASX-listed integrated infrastructure services provider covering transport, utilities, and facilities. Overlaps with Winslow on road construction, utilities, and rail civil works, but operates nationally with a services-led rather than pure construction model.
• McConnell Dowell: Australasian engineering, construction, and maintenance contractor focused on pipelines, water, and transport infrastructure. Comparable on rail, water, and remediation capabilities within Winslow's Infrastructure business unit.

Direct peers

• Seymour Whyte: Australian civil contractor focused on roads, bridges, and urban infrastructure across QLD, NSW, and VIC. Closely comparable on project scope (transport infrastructure, subdivisions) and enterprise B2B go-to-market, though more road-weighted than Winslow's residential estate mix.
• Built Group: Australian construction group delivering commercial, residential, and civil projects. Comparable on diversified building and civil construction across Australia and on tier-1 developer and institutional client mix.
• BMD Group: Privately held Australian civil contractor specialising in residential subdivisions, roads, and infrastructure. Directly comparable to Winslow on customer base (major residential developers), vertically integrated delivery, and multi-state operating model in QLD/VIC/NSW.

Regional players

• Roberts Pizzarotti: Privately held NSW-based construction and civil contractor. Comparable on residential and commercial civil delivery for Australian developers, though concentrated in NSW and with smaller fleet scale than Winslow.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/WinslowConst
• LinkedInlinkedin.com/company/winslow-constructors-pty-ltd

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Winslow Constructors