Technical Expertise

Multidisciplinary teams comprising of specialists across ten industry sectors, we have the expertise necessary to grapple with challenging assignments.



Commitment to Clients

Our business is built on relationships, and our clients will always be our top priority.

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Featured Project

Silvertown Tunnel London UK

Silvertown Tunnel
One of the largest engineering projects in the world.

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Who We Are

International Award-Winning Engineering Consultants who deliver ground breaking solutions at the forefront of industry best practice.

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Our Regions

Carbon Reduction Plan

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Our Commitment to Net Zero
ByrneLooby is committed to becoming a net zero engineering consultancy by 2040

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Stay Up-to-date

Stay on top of the latest developments, appointments, awards and more across all our offices.

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Featured News

Irish Concrete Society 40th Annual Awards

Irish Concrete Society 40th Annual Awards

ByrneLooby Celebrates Highly Commended Award for  contribution to the Blanchardstown Regional Drainage Scheme


Investing In Our People

Cultivating a culture in which individual differences and the contributions of our staff are recognised and valued.

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Our EDI Policy

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Celebrating People
Fostering a culture where you are encouraged to be yourself.

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International Presence

Multidisciplinary team comprising of specialists across Ireland, UK and the Middle East.

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ByrneLooby is part of Ayesa, a global technology, engineering and consultancy company, ranked 43 out of 225 International Engineering Design Firms, and Top 3 in Latin America.  Ayesa has 11,000+ staff members based in 23 countries around the globe.  At ByrneLooby, our engineering work covers numerous fields with a market-leading reputation in infrastructure, geotechnics, water, flooding, transportation, environmental, marine and coastal, energy, and waste management. In Ayesa, our teams lead the digital transformation of large companies,  utilities and the public sector.  We are renowned in the transportation sector, delivering major rail, high-speed and metro projects worldwide.  We are a people-first consultancy, where people are our greatest asset and our knowledge, and technical expertise are applied to solve clients' problems, delivering practical solutions with value and impact. 

Our Sectors

Our deep sectoral experience and interconnected skillsets ensure we provide innovative solutions for our clients across various industry sectors.


Be the change you wish to see at ByrneLooby.

Connect with some of the best talents in the industry. Work on high-profile projects that make a difference to communities and people. Gain experience across a broad range of disciplines. Your wellbeing and work-life balance are important and your professional development is a priority. Now recruiting at all levels.


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About Ayesa

Specialising in engineering, technology and consulting (ETC). We seamlessly combine infrastructure with the digital world to build the cities of the future.