A Builder's Ultimate Companion
Construction Management
Software for Australian Builders
One connected platform built exclusively for builders across Australia and New Zealand. From site management and subcontractor coordination to compliance and estimating. Everything your business needs to build better.
About us
One place for every job, every team, every site
Since 2002, Companion Systems has helped Australian and New Zealand builders take control of their operations, from the first job through to thousands. Software built the way construction actually works: on site and offline, without the chaos.
Our Vision
Construction software that handles everything from trade coordination to compliance tracking
+
Active Builders
$
M+
Projects Managed
%
Solutions
One connected platform for every part of your build
Purpose-built solutions for every role in your business. Connected on one platform so nothing falls through the cracks.
Complete job and site management, from first enquiry to final handover
Track every job in real time. Manage schedules, defects, variations, documents, and client communications in one place. Full offline functionality on remote, syncing the moment you're back online.
Connect every trade, supplier, and subcontractor to every job
Track work releases, progress updates, and site inductions from one place. Keep every party aligned without the back-and-forth, online or offline.
Consistent QA on every build, every time
Track mandetory inspections and obligations. Record outstanding defects from one place. Documentation stays complete, and your team stays protected, without the paperwork chase.
Price faster and win more
Build accurate estimates, generate quotes, and hand off to live jobs without breaking the workflow. Estimator Companion connects pre-construction to site start in one unbroken chain.
Custom dev and integrations built for construction
Services Companion keeps your platform running and evolving, exactly the way your business needs it to work.
Want to see how we can help you?
One platform for every job, every team, and every site. Let’s talk about how Companion Systems works on your build type.
Why builders choose us
We build software that works the way construction actually works
01
Made just for you
Permissions, workflows, templates, and documents configured to your operation. Set up with you on site, not handed over and left to figure out.
02
No interruptions
Full document and data functionality whether you're online or not. Remote site, poor signal, basement: Companion Systems keeps working and syncs automatically when you're back online.
03
Scales with you
From 3 builds to thousands. Companion Systems has helped clients grow from 3 builds a year to over 1,000, and from 200 to over 4,000.
Resources
Resources for
smarter building
Not ready to talk yet? Learn at your own pace with our guides, webinars, and case studies.
Partners
Proudly Partnered With
In collaboration with our trusted partners, helping deliver a more valuable and connected User Group experience.
Constructive Software transforms the home-building experience with an online customer portal and mobile app offering real-time updates, action prompts and 3D visualisation tools. Trusted by 15 of the Top 20 HIA builders, it supports 39% of Australia’s single home dwellings and 95,740 user logins.
Ellby helps Companion Systems clients streamline AP Automation and Document Workflow through secure AI and digital workflows. By eliminating manual data entry, improving visibility and strengthening compliance, Ellby enables seamless, efficient operations backed by trusted, ISO 27001 certified technology.
Keystone Construction Software brings Estimator Companion to life by connecting estimating with the broader construction workflow. It helps builders quote faster and more accurately, reduce double-handling, and maintain tighter control over budgets, ordering and margins from quote through to delivery.
