We turn vision into reality.
leader in multidisciplinary engineering expertise.
1996
In practice since
7,000+
Projects delivered
3
Offices — IRL & UK
Our mission
To solve real engineering challenges with practical thinking, honest effort and genuine pride in the work that carries our name.
30 years in practice. Over 7,000 projects. The same uncompromising standard every time — from one-off houses to award-winning national infrastructure.
About AOCA
Sectors
Wherever Ireland builds, we Engineer
Three decades of consultancy across Ireland, the UK and Europe — seven sectors, one standard.
Featured projects
Some of the projects that have shaped who we are
Expertise
Broad expertise. Singular focus.
Working across multiple jurisdictions for thirty years has made us genuinely versatile. We spot things early, ask the right questions, and bring solutions that actually hold up.
Our sister company
Specialist fire safety, from the same family
AOCA and OCF have pooled their expertise to form Fire Safety Consultants — fire engineering, fire safety and disability access certificates, risk assessments and fire defect remediation across Ireland and the UK.
Our values
What it's like to work with us
01
Straight Talking
We tell you what you need to hear, not what you want to hear. Our reputation has been built on honest advice over nearly 30 years.
02
Curiosity
Thirty years in business could make you set in your ways. We've chosen a different path. We stay curious — about new technologies, better methods and smarter solutions. It's what keeps our thinking fresh and our clients ahead of the curve.
03
Practical Thinking
We find solutions that actually work in the real world, on real budgets, with real timelines.
04
Loyalty
We look after our clients and they look after us. Many of the people we work with today were with us at the very beginning.
05
People First
Irish owned and independently run since 1996. No corporate hierarchy, no distant boardrooms — just a team that genuinely cares about the outcome and each other.
Our clients
Proudly partnered with industry leaders
AOCA partners with clients across diverse sectors, offering customised engineering solutions which reinforce our reputation for excellence and reliability.
Recognition
Award-recognised engineering
Shortlisted at the Irish Building & Design Awards — recognised as being ‘Best in Class’ — and part of the team behind the multi-award-winning Arklow Wastewater Treatment Plant.
Accreditations & Certifications
Corporate Member of Engineers Ireland
ISO9001 Certification with NSAI
Member of the Institute of Fire Engineers
Member of Passive House Association of Ireland
Green Cert Registered
What clients say
Built on repeat business
What sets AOCA apart is not just their technical expertise, but their reliability and professionalism. They are approachable, proactive, and always willing to go the extra mile to ensure projects run smoothly. We would have no hesitation in recommending AOCA to others.
Owen O'Gorman
Managing Director — Crown Roofing & Cladding
Insights
From the drawing board
News, awards and practical engineering insight from the team.
Our culture
The people behind the projects
No corporate hierarchy, no distant boardrooms — just a team that genuinely cares about the outcome and each other.
Talk to an engineer, not a switchboard.
Tell us what you're planning and we'll give you a straight view on feasibility, cost and programme — before you commit.