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


Ayesa and BL to attend the Techfest Awards 2022

Ayesa shortlisted for Transport Infrastructure Champion 2022 in New Civil Engineering TechFest Awards.


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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TerraConsult is now ByrneLooby


From July 1st 2021, TerraConsult has rebranded as ByrneLooby

The offices at St Helen's, Leeds, Chesterfield and Colchester continue to provide the same services by the same people as before.

This transition to ByrneLooby brings stronger capabilities, deeper expertise and expanded services across ten key sectors: Geoscience, Waste Management, Environment, Water, Flooding, EnergyBuildings, Conservation, Marine & Coastal and Transportation

Link to Offical Press Release


We are adept at creating designs for projects that present technically difficult challenges across 10 key industry sectors. Our deep sectoral experience and interconnected skillsets ensure we provide state-of-the-art solutions for our clients.

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Contact Our Team 

ByrneLooby St Helens

Suite 104
Mere Grange Business Park
St Helens

+44 1925 29111 Get Directions

ByrneLooby Colchester

9 The Courtyard
Phoenix Square
Wyncolls Road

+44 (0) 1206 585600 Get Directions

ByrneLooby Leeds

Unit 15 (2) A3
Springfield Commercial Centre
Bagley Lane
LS28 5LY

+44 (0) 113 834 6474 Get Directions

ByrneLooby Chesterfield

Dunston Innovation Centre
Dunston Road
S41 8NG

+44 (0) 1246 264986 Get Directions