What Mossop Construction + Interiors does

Mossop Construction + Interiors is a privately held, South Australian family-founded commercial construction and interiors contractor established in 1979 and headquartered in Hindmarsh, Adelaide, with a regional office in Mount Gambier and an in-house workshop in Ottoway. The company employs 170+ staff and engages hundreds of subcontractors to deliver new builds, refurbishments, and fitouts across education, healthcare, government, correctional, commercial, and hospitality sectors in South Australia and select regional Victoria projects. Its delivery model spans Fixed Lump Sum, Managing Contractor, Design & Construct (ABIC variants), and AS 4000 contract forms, with large-complex project capability demonstrated by the $156M Yatala Labour Prison Redevelopment and multi-stage Xavier College campus work exceeding $74M in combined value.

The company's revenue model is project-based, one-time construction contracting, with pricing determined through competitive tendering and direct appointments rather than standard published tiers. Technology deployment centres on Building Information Modelling (BIM) for virtual construction, clash detection, safety-in-design, and off-site fabrication, alongside facial/eye recognition access systems for site security on correctional projects. The go-to-market is enterprise field sales driven by Joint Managing Directors (Grant Mossop, Aaron Mossop, Lynda Simon) who maintain direct relationships with the South Australian Government's Department for Correctional Services, Department for Infrastructure and Transport, Catholic Education South Australia, Flinders University, and University of South Australia, among other institutional clients. Brand credibility is reinforced by more than 35 Master Builders Association awards at state and national level and 2026 recognition among Australia's Top 50 Construction Firms.

Name

Mossop Construction + Interiors

Legal name

Mossop Construction + Interiors

Website

https://mossop.com.au

Company type

Private

Founded year

1979

Operating status

Operating

Headcount range

101–250 employees

Short description

Mossop Construction + Interiors is a South Australian family-owned commercial construction and interiors contractor founded in 1979, delivering new builds, refurbishments, and fitouts across education, healthcare, government, correctional, and hospitality sectors for institutional and private clients.

Ownership category

akta.pro rank

Product category

Commercial Construction Services

NAICS

Commercial and Institutional Building Construction (23622), Nonresidential Building Construction (2362)

SIC

General Bldg Contractors - Nonresidential Bldgs (1540)

akta.pro primary industry

Office & Corporate Building Construction (IMAFACAA)

akta.pro secondary industries

Government & Civic Building Construction (Courthouses, City Halls, Public Safety) (IMAFACAF), Education & Public Sector Interior Fit-Out (IMAFANAD)

Keywords

• Commercial construction services
• Interior fitout contracting
• Design and construct
• Managing contractor delivery
• Building refurbishment

Headquarters

HQ city

Hindmarsh

HQ country

Australia

HQ region

Oceania

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Construction and Interiors Contracting: Mossop Construction + Interiors generates revenue through construction and fitout contracting services. Projects range from small refurbishments to large-scale construction projects, with delivery methodologies including Fixed Lump Sum, Managing Contractor, Design & Construct (ABIC variants, AS 4000), and Novated Design & Construct. Revenue is project-based, one-time, and derived from client fees for construction delivery.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Mossop Construction + Interiors is a South Australian commercial construction and interiors contractor delivering new construction, refurbishment, fitout, and design-and-construct services across education, healthcare, government, correctional, commercial, hospitality, residential, industrial, and civic sectors. Projects range from small refurbishments to large-scale multi-stage government infrastructure (e.g. the $156M Yatala Labour Prison redevelopment), delivered under Managing Contractor, Fixed Lump Sum, ABIC, and AS 4000 contract methodologies. The company employs 170+ staff and is recognised among Australia's Top 50 Construction Firms.

Product overview

Mossop Construction + Interiors is a South Australian commercial construction and interiors company offering a comprehensive portfolio of construction services. Their service offering encompasses new construction, refurbishment, fitout, and design-and-construct delivery methodologies across diverse sectors including education, healthcare, commercial, residential, industrial, civic, correctional, and hospitality. The company employs 170+ staff and serves as a contractor of choice for projects ranging from large-scale government infrastructure to private commercial developments. Their services are delivered through project delivery models including Managing Contractor, Fixed Lump Sum, ABIC contracts, and AS4000 series contracts, without a modular or platform-based product architecture.

Differentiator

Problem solved

Functional benefit

Products and services

• Commercial New Construction
• Interior Fitout and Refurbishment

Quantifiable outcome

• Named among Australia's Top 50 Construction Firms
• +2 more outcomes

Named customers11 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

Feature2 records

Partnerships

Seven partnerships are on record, tiered core, flagship and supporting.

• Women's & Children's Hospital FoundationcoreStrategic or Co-development Partner · 1 February 2026Mossop is the appointed major works builder for the $26M WCH Foundation Family Health and Wellbeing Hub in Elizabeth Vale, partnered with the Women's & Children's Hospital Foundation, City of Playford, Flinders University, and the South Australian Government. The project is backed by $26M from the Albanese Government under the Urban Precincts and Partnerships Program.
• Department for Infrastructure and Transport (DIT) / Department of Correctional Services (DCS)flagshipStrategic or Co-development Partner · 1 November 2020Mossop was appointed as Managing Contractor by the Department for Infrastructure and Transport for the Department of Correctional Services to deliver the $156M Yatala Labour Prison Redevelopment in November 2020. This is a flagship government infrastructure project involving collaborative delivery of 270-bed secure accommodation, visit facilities, kitchen, and security infrastructure under the South Australian Government's Better Prisons Program.
• Catholic Education South Australia (CESA)coreStrategic or Co-development PartnerMossop has a strong working history with Catholic Education South Australia (CESA), evidenced by multi-stage projects at Xavier College Two Wells (Stages 1–4, combined value exceeding $74M), Endeavour College, and multiple other Catholic school projects. CESA is a recurring strategic partner representing a significant pipeline of educational infrastructure work.
• Edge ArchitectssupportingTechnology or IntegrationEdge Architects collaborated with Mossop on the Xavier College Two Wells campus development (Stages 1–3). Architectural partners provide design integration and technical coordination on projects.
• Chapman Herbert ArchitectssupportingTechnology or IntegrationChapman Herbert Architects collaborated with Mossop on the Wattle Range Council New Admin Centre project, providing architectural design services for the $9.9M facility delivered in Millicent, South Australia.
• City of PlayfordsupportingStrategic or Co-development PartnerCity of Playford is a partner in the Northern Adelaide Health Hub project, contributing to the delivery of early childhood development and health services in the northern Adelaide region.
• Flinders UniversitysupportingStrategic or Co-development PartnerFlinders University is a partner in the Northern Adelaide Health Hub project, providing academic health expertise alongside Mossop's construction delivery.

Scale indicators3 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• McMahon Services: Adelaide-based diversified contractor with significant building, civil, and infrastructure capability across SA. Comparable headcount and regional dominance, often competing for the same state government infrastructure projects.
• Sarah Constructions: Adelaide-headquartered commercial construction firm delivering projects across education, health, defence, and commercial sectors in South Australia. Directly comparable as a like-sized SA-headquartered general contractor competing for the same government, education, and healthcare tenders.
• Ahrens Group: South Australian-headquartered diversified construction and engineering group with significant building, infrastructure, and fabrication capability. Comparable as a multi-generation, family-influenced SA contractor pursuing similar institutional and industrial projects.
• Badge Constructions: Adelaide-based commercial construction firm operating across education, health, defence, and commercial sectors in SA. Direct like-sized peer competing for the same South Australian institutional and private-sector tenders.
• Built Environs: South Australian commercial construction company delivering education, health, civic, and commercial projects. Direct competitor on the same Adelaide-based government, tertiary education, and healthcare bid pool.
• Roberts Pizzarotti: Commercial construction contractor delivering education, health, hospitality, and commercial builds across Australia with a strong South Australian presence. Direct competitor on similar nonresidential commercial and institutional projects.

Broad incumbents

• Multiplex (Brookfield): Major Australian Tier-1 contractor delivering large-scale commercial, health, education, and government buildings nationally. Overlaps on project types but operates at materially larger scale and balance-sheet capacity.
• CPB Contractors: Major Australian contractor (CIMIC Group) delivering buildings, infrastructure, and health projects nationally. Competes on the same SA government and healthcare pipelines but at Tier-1 scale with significantly larger balance sheet.
• Lendlease: Global Tier-1 contractor and developer with significant Australian commercial, healthcare, and education portfolios. Comparable end-markets but operates at vastly greater scale, frequently bidding for the same flagship SA government and health projects.
• BESIX Watpac: Australian Tier-1 commercial contractor delivering education, health, correctional, and government projects nationally. Comparable end-markets including corrections and health, with materially greater capacity for mega-projects.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 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 Mossop Construction + Interiors