Our Story

Engineering Excellence Since Day One

Cenex is a professional engineering consulting firm specializing in infrastructure project delivery. Based in Queensland, we provide specialized expertise in cost engineering, civil engineering, construction engineering, and traffic management design.

With over $16 billion in projects delivered and CE1-level pre-qualification with Main Roads Queensland, we've established ourselves as a trusted partner for major infrastructure projects across Civil, Marine, Rail, Energy, and Water sectors.

Our team of RPEQ-certified engineers brings industry-leading expertise and third-party accreditations to every engagement, ensuring you receive the highest quality advice and support for your projects.

What Drives Us

Six Pillars of How We Work

The operating principles that turn fifteen years of cost-engineering practice into reliable, defensible deliverables — every time.

01

Certified Excellence

Every deliverable is carried under the personal seal of a registered professional engineer — not a brand-only signature.

RPEQ #22276 CPEng #4275634 CCE CE1
02

Demonstrated Track Record

Decisions backed by audit-defensible evidence. Every estimate ties back to a project, a method statement, and a signed-off basis.

$16B+delivered value
35+major projects
15 yrsdiscipline
03

Standards-Aligned

Every workflow maps cleanly to a recognised body of knowledge — so your auditors, owner reps, and treasury teams don't need to reverse-engineer our reasoning.

PCEM v3 AACE 17R-97 AIQS ANZSMM ISO 21500
04

Independent Perspective

We don't design what we cost, and we don't cost what we want to win. The advice you receive is the advice we'd give in a board paper — uncomfortable truths included.

No design conflicts Owner-side default
05

Predictable Cadence

Weekly progress, transparent assumption logs, and RFIs answered inside 48 hours. You shouldn't be guessing where your estimate is up to.

Weeklyupdate cadence
<48hRFI turn-around
2-stageQA gate
06

Brisbane HQ · National Reach

Local enough for face-to-face workshop time on QLD jobs; pre-qualified across NSW, VIC, SA, WA and NT for interstate engagements.

QLD · CE1 NSW · SCM8661 VIC · DTP SA · PSAESC WA · MRWA NT · QTOL
Our Qualifications

Credentials & Certifications

Independently verified credentials from Engineers Australia, the Board of Professional Engineers Queensland, AIQS, AACE International and the Department of Transport and Main Roads.

CCE
Engineers Australia

Chartered Cost Engineer

Highest technical credential for engineers in Australia — independently assessed across 16 competencies. Learn more →

RPEQ
BPEQ Queensland

Registered Professional Engineer

Statutory registration #22276 under the Professional Engineers Act 2002 — required for engineering services in Queensland.

CPEng
Engineers Australia

Chartered Professional Engineer

National-level competency credential #4275634 — recognised across all Australian states and via international mutual-recognition agreements.

CE1
TMR Queensland

CE1 Pre-Qualified Cost Estimator

TMR pre-qualified under the Cost Estimating category — approved to deliver cost estimating and pricing works on Queensland infrastructure projects.

AIQS
Australian Institute of QS

AIQS-Aligned Quantity Surveyor

Stages A–F cost planning, ASMM-measured BOQs, and progress valuations to AIQS standards.

$20M
Insurance Cover

Professional Indemnity

$20M PL · $4M PI per claim · $8M aggregate — the financial backing required for major infrastructure engagements.

Industries We Serve

Our Sectors

We bring specialized expertise across multiple infrastructure sectors.

Civil
Marine
Rail
Energy
Water

Let's Work Together

Ready to bring expert cost estimating and engineering support to your next project?