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About PARA

At PARA, we are not merely a service provider; we are a strategic partner, delivering smart building and city-scale solutions through a powerful combination of; technical expertise, digital innovation and agile thinking.




Outcome-focused


Taking an outcome-focused approach, we develop solutions that are curated around each organisation’s unique parameters, identifying and unlocking operational and commercial value for them.

Unparalleled
knowledge


The unparalleled knowledge and experience of the PARA team, leverages our rich and diverse heritage, spanning more than half-a-century, and our global presence across the built environment.

Proven
methodology


That expertise is fused with proven consulting methodology and industry-leading digital tools and systems to deliver tailored solutions that speak directly to our clients’ individual needs.

Partnership
with clients


Today, in partnership with our clients, we are helping to tackle some of the most acute organisational and global challenges head on. Property portfolio optimisation, cost reduction, operational efficiency, net-zero and the occupant experience are all improved with PARA.




About Sidara

Our global collaborative of specialists elevates how people live, inspires global impact, and makes room for cultures to shine. Since our journey began over 65 years ago, we have grown both organically and through a series of strategic acquisitions, focusing on companies with exceptional talent and culture, where we can invest and add value.

Together, we have crafted Sidara into the world class group that we are today. We are focused on long-term human and social advancement – dedicated to building a healthier, more equitable world.

Our global network of specialists, advise and support some of the world’s biggest and most complex design and engineering projects, in the knowledge that we can change lives and improve our planet.


Our history through acquisition


1956-2025

Five pillars of growth


This enables us to take projects from start to finish – planning, design and project management through to handover – for clients ranging from global technology and energy companies to leading hospitals, airports, universities and governments.



Sidara in numbers

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Employees combined

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Offices across 60 countries

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Dar-Al-Handasah founded in 1956 and rebranded as Sidara in 2023

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Top 10 for 17 years in the ENR International Design Firms rankings

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Continents covered by Sidara projects

$0bn

2024 Group Revenue in USD

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Largest privately-owned business in our industry

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150 Holborn
London
EC1N 2NS
United Kingdom