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

Dar

Aviation, Mobility, Communities, Environment, Energy Transition, Water
Dar established and shaped the Sidara Collaborative into the global network of companies that it is today.
Our Work
Perkins & Will

Perkins&Will

Healthcare, Mobility, Communities, Science and Technology
Perkins&Will is an award-winning, research based, inter-disciplinary architecture firm and the only Sidara business devoted exclusively to design.
Our Work
TYLin

TYLin

Aviation, Mobility, Communities, Environment, Water
TYLin designs infrastructure solutions that connect and elevate communities.
Our Work
Currie Brown

Currie & Brown

Community, Healthcare, Science and Technology
Currie & Brown is a world-leading provider of project management, cost management and advisory services.
Our Work
Penspen

Penspen

Aviation, Mobility, Energy Transition
Penspen designs, maintains, and optimizes energy infrastructure to improve access to sustainable energy for communities worldwide.
Our Work
Maffeis

Maffeis

Mobility, Communities
Maffeis Engineering is one of the world’s most specialized structural engineering consultancies.
Our Work
Landrum-and-Brown-Shanghai-Pudong-Airport

Landrum & Brown

Mobility, Aviation

Landrum & Brown is one of the world's oldest and most accomplished aviation planning consultancy firms.

Our work
Introba-Monklands-Hospital

Introba

Aviation, Community, Environment, Mobility, Health, Science and Technology

Introba is one of the world’s largest building engineering and consulting firms.

Our work
CopperTree Brand Listing HomePage

CopperTree Analytics

Science & Technology, Environment, Aviation
CopperTree Analytics is a leading developer of KAIZEN, a family of patented analytics tools that harness rule-based algorithms and machine learning to transform building data into actionable insights.
Our Work
PARA Brand Listing HomePage

PARA

Science & Technology, Environment
PARA is at the forefront of digitally enabled building design and operational performance by integrating cutting-edge technology with a commitment to sustainability and occupant wellbeing.
Our Work

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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.

Join our team
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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.