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Companion Systems

Builder workflow and WHS software

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companionsystems.com.au Parramatta Founded 2002 11-50Last updated:

Source: companionsystems.com.au. Last checked 23 October 2026.

Overview

Companion Systems makes construction management software for residential builders in Australia and New Zealand, built specifically for builders since 2002. OnSite Companion links job and site management, covering schedules, defects, variations, documents and client communication, and keeps working offline on remote sites. Liink Companion coordinates trades, suppliers and subcontractors with work releases, progress updates and site inductions, Compliance Companion tracks mandatory inspections, certificates and defects to close-out, and Estimator Companion builds takeoffs and quotes on current supplier pricing before handing them to live jobs. Setup, workflows and templates are configured to each builder, and integrations include Constructive Software, Ellby and Keystone.

Source: companionsystems.com.au. Last checked 23 October 2026.

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Categories

Features

  • Job and site management
  • Offline site use
  • Trade and supplier coordination
  • Compliance and inspection tracking
  • Estimating and quoting
  • Variations and defects
  • Configurable workflows

Best fit for

Companion Systems is for residential builders, from small firms to volume builders running over 1,000 homes a year, that need job, trade and compliance management in one system.

Residential buildersVolume home builders

Integrations

Constructive SoftwareEllbyKeystone Construction Software

Frequently asked questions

What is Companion Systems?
Companion Systems makes construction management software for residential builders in Australia and New Zealand, built specifically for builders since 2002. OnSite Companion links job and site management, covering schedules, defects, variations, documents and client communication, and keeps working offline on remote sites. Liink Companion coordinates trades, suppliers and subcontractors with work releases, progress updates and site inductions, Compliance Companion tracks mandatory inspections, certificates and defects to close-out, and Estimator Companion builds takeoffs and quotes on current supplier pricing before handing them to live jobs. Setup, workflows and templates are configured to each builder, and integrations include Constructive Software, Ellby and Keystone.
Who is Companion Systems built for?
Companion Systems is for residential builders, from small firms to volume builders running over 1,000 homes a year, that need job, trade and compliance management in one system.
What does Companion Systems integrate with?
Integrations recorded on PropAtlas: Constructive Software, Ellby, Keystone Construction Software.
Where is Companion Systems based?
Companion Systems is headquartered in Parramatta and was founded in 2002.

Industries served

Residential

UK markets

AustraliaAustralia

Security & certifications

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