We are the Home for Human Endeavor
Our global network of specialists advise and support some of the world’s biggest and most complex design and engineering projects.
Designing a sustainable future
Decarbonizing the most challenging sectors in the built environment.
Advancing the human experience
Our projects inspire, advance, change, and touch the daily lives of people all over the world.
Making an impact where it matters most
Creating an impactful future for all through Livability, Sustainability, and Digital innovation.
Humanity is at our core
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.
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Our Collaborative
We are a collaborative of specialist firms uniquely positioned to deliver comprehensive and collective solutions for the world’s biggest, most ambitious, and most critical challenges.
Dar established and shaped the Sidara Collaborative into the global network of companies that it is today.
Our Work
Perkins&Will is an award-winning, research based, inter-disciplinary architecture firm and the only Sidara business devoted exclusively to design.
Our Work
Currie & Brown is a world-leading provider of project management, cost management and advisory services.
Our Work
Penspen designs, maintains, and optimizes energy infrastructure to improve access to sustainable energy for communities worldwide.
Our Work
Maffeis Engineering is one of the world’s most specialized structural engineering consultancies.
Our work
Are you ready to make an impact?
Sidara is a home for ambitious and devoted talent to dream and do. Explore our brands and discover a world where you are nurtured and your impact is celebrated. Being part of Sidara means living and working with purpose, with others who are doing the same. At Sidara your work matters. This is your place to make an impact, your place to grow – and your place to call home.
Connect with us
Collaboration is core to our success and we're here to help you find solutions to your most pressing challenges. Together, we can achieve more for our communities, change how people live, and inspire global impact.
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