A process you can trust

Comprehensive Collaborative

Our expertise in design, approvals, construction and contractor management eliminates the
need to deal with multiple companies.

Collaborative

Unlike other Perth construction companies, you’re part of the team with Group One.

Personal

Director Darren Rullo is personally involved in every project.

Proven

Our process is built on years of experience and 88 successful projects. 

The Perth Construction Company you can TRUST.

Group One Construction is a full member of Master Builders WA.

  • 153
    Projects
  • 41
    Clients
  • 20+
    Years Experience
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Our process in detail

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1. CONSULTATION

Successful building projects are built on a shared vision. Our initial meeting lets us get to know you, understand your project goals and discuss initial design ideas.
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2. DESIGN

We offer a range of services, including architectural design, Geo-tech and BAL reports, structural engineering, energy rating and interior design. You’ll collaborate with our design studio to create floor plans and select finishes and fittings. We’ll visualise the project with advanced 3D rendering technology so you can inspect the details before signing off.

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3. ESTIMATE

We’ll provide a detailed cost estimate so you can arrange financing with confidence. We can also work with you to refine the design if necessary to meet your financial goals.

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4. DOCUMENTATION & COUNCIL APPROVAL

We handle all necessary council applications and shire approvals, saving you time and hassle. Our experience streamlines the approvals phase to prevent frustrating delays.

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5. APPROVAL & CONSTRUCTION

Once plans and approvals are finalised, we’ll enter into a formal contract outlining the project scope and timeline. Then construction can begin. Our commitment to quality means we only work with trusted tradespeople, guaranteeing work that meets the high standards you expect.

We’re in regular communication throughout the construction phase, not just at major milestones. You’re part of the team. If you have questions or want to visit the site, our transparent process means we’re an open book.

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6. HANDOVER

When construction is complete, we’ll take you on a final walkthrough and hand over the keys. But our relationship doesn’t end here. Our motto, “Relationships, Trust, and Transparency,” reflects our ongoing commitment to every build.

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The Perth Construction Company Building Quality You Can Trust

Group One Leaders in Perth Construction

As a leading Perth construction company, we’re dedicated to making your building experience smooth and stress-free. We’ll guide you through every step with open communication and a direct line to our team for questions or updates.

By eliminating double handling, streamlining approvals, and offering flexible involvement
during construction, we focus on what matters: bringing your vision to life.

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Group One Showcase

RECENT
PROJECTS.

Building on Our Success

Browse our project gallery to see how our comprehensive construction process has
delivered outstanding results.

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Our Expertise in Commercial and Residential Construction

As a leading Perth construction company, we’re dedicated to making your building experience smooth and stress-free. We’ll guide you through every step with open communication and a direct line to our team for questions or updates.

We build strong relationships with developers, investors, companies, and residential clients, tailoring our services to meet individual needs and delivering exceptional outcomes.

About

Transparent Communication

HEAR FROM OUR CLIENTS

Our success is built on rock-solid relationships. We’re proud to be the Perth construction company trusted by businesses, developers, investors and homeowners.

Jacek Murcha

Simple Guided Process

I have had the privilege to work with Darren from Group One Construction. As a subcontractor it is nice to know when you arrive to a job site knowing the place is ready for you and everything is done correctly. There are no shortcuts taken and all work is completed to the highest standard. I recommend Group One Construction  for all my customers that are in need of a general contractor.

Jacek Murcha
Land Surveys

Dennis Sims


Living in Adelaide and having a major renovation on Barack Street has been stress free having Darren and his team in control. The workmanship constant feedback and caring about the result and costs have been a credit to Darren and the team. I would not hesitate in recommending them.      

Dennis Sims

AC


Group One Construction came recommended to me by Defreitas and Ryan Commercial as an up and coming quality Builder. Darren does not disappoint. His communication skills, expertise in the building industry and trades team are to be commended. Darren works closely continuously providing updates, solutions with the aim to achieve great results and impress the client. This is my ninth commercial build and I would be very happy to be do number 10 with Darren.

AC
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