Five pillars of growth organised around our brands
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 is a global design, engineering, and consulting group supporting some of the world’s biggest and most complex design and engineering projects.
Since its inception in 1956, our group has grown organically and by long-term strategic acquisitions, focusing on companies with exceptional talent and culture. We are now a global partnership, present in 60 countries, operating from over 300 offices. We are a company of brands and people with a big purpose –to make sustainability within the built environment commonplace.


21,500 employees combined 308 Offices across 60 countries
48 Owned by 48 shareholders who are working partners of the business
69yrs
Dar Al-Handasah founded in 1956. Today’s group of companies rebranded as Sidara in 2023
#10
Top 10 for 16 years in the ENR International Design Firms rankings $2.8bn 2023 Group Revenue in USD



Our specialty brands
Some of the most recognizable names in the industry are proud members of Sidara.
