About Us
Building Strength, Culture, and Community
Jimaylya is a proud Supply Nation-certified, indigenous-owned company, founded in 2025 by Jacob Jones and Sandra Mattiazzo. Based in Darwin, we specialise in construction, civil, and concrete solutions, delivering high-quality results across both urban and remote Northern Territory communities. Driven by excellence and purpose, we combine industry expertise with a strong community focus, building not just infrastructure, but opportunities for people and places to thrive.
The Team Behind the Vision
Sandra Mattiazzo
Leading With Culture and Connection
Sandra, a proud Kalkadoon/Waanyi woman, brings deep expertise in community engagement, Indigenous employment, and operational management. Her passion for creating real opportunities for Indigenous people drives our mission to deliver both commercial success and social impact.
Jacob Jones
Experience That Builds Confidence
With more than a decade of hands-on industry experience, Jacob has led and supervised major projects, including the Nova/Nacap Bulk Fuel Storage Tanks at Darwin RAAF Base. His leadership ensures precision, safety, and quality in every project, setting the foundation for Jimaylya’s trusted reputation.
Safety First, Always
For us, safety isn’t negotiable — it’s at the core of everything we do. We maintain strict compliance with industry safety and environmental standards, ensuring that every site, team member, and community is protected. Our focus on zero harm reflects our commitment to responsible, sustainable operations across the territory.
Our Strengths on the Ground
From start to finish, we provide comprehensive construction and civil solutions backed by skilled teams, reliable equipment, and a commitment to excellence.
Plant and Equipment
- Isuzu 4t Tipper
- Kobelco 3.5t Excavator
- S450 Bobcat
- 42m FLO CRETE Concrete Pump
- Thomas Manufacturing Concrete Batch Plant
Fully Covered, Fully Committed
We take our responsibilities seriously — from safety to insurance compliance.
Public Liability and Work Cover Insurance
Work Cover Insurance
More Than Construction
Our team doesn’t just build concrete and civil infrastructure — we help build safe, efficient, and well-managed worksites. We also deliver specialised security and cleaning services designed specifically for construction and industrial environments. As a proud Supply Nation certified business, our mission goes beyond service delivery. We’re passionate about creating lasting change — empowering Indigenous people through employment, training, and leadership pathways that foster long-term economic sustainability.
Ask Our Team Anything
Have questions? Feel free to connect with us. Our team is here to answer all your questions and guide you every step of the way.