We inspire global impact and create environments that enhances people’s lives, making the world feel more intimate and uplifting, like home.
Sidara HQ 150 Holborn — London, UK (Photo credit: Perkins&Will)
Sidara is one of the world’s leading consultancies, providing design, planning, engineering, and project management services for energy, buildings, cities, transportation, civil, infrastructure, water and the environment.
Our global collaborative of specialists elevates how people live, inspires global impact, and makes room for cultures to shine. Together, we are focused on longterm human and social advancement – dedicated to building a healthier, more equitable world.
From decarbonization to technology advancement and improving the wellbeing of our planet and human society, we are committed to building a better world where humanity and nature coexist, moving forward as one, to make our big world feel intimately small.
Sidara at a glance:
21,500
Employees
60
Countries
Companies
Offices
ENR Rankings
Top 225 Design Firms Working Abroad
9th
Overall Ranking
Pure Design Firm Ranking*
Top 10 By Region
2nd
Middle East (1st Pure Design Firm Ranking*)
6th
USA
(5th Pure Design Firm Ranking*)
We are committed to service excellence and have been consistently ranked among the top ten consultancies by Engineering News Record (ENR) for over 15 years. *Pure design firms are
Top 10 By Market
Africa (2nd Pure Design Firm Ranking*)
8th 2nd 5th 5th 10th
Buildings
Sewer/Waste
Tranportation
Our impact
Our shared vision and commitment to enhancing livability, sustainability, and digital solutions aim to create innovative places where humanity and nature coexist, connecting people, empowering communities, and protecting the place we all call home.
Livability
We believe the built environment should bring people together and improve the quality of life for all. Yet, in today’s world, all too often, those who use our buildings, cities and transport networks can be an afterthought. Our collective of architecture, engineering, and consulting brands shift this paradigm. Wherever we operate in the world, we shape places that unite communities, empower their economies, and inspire a more equitable, seamless and delightful world for all.
The planet and its systems are under immense and growing pressure from human activity. Cultures, communities, and clients are increasingly needing to shape a more sustainable world and lighten our footprint on the planet. We need to deliver solutions that reduce carbon emissions, protect biodiversity and safeguard the place we all call home – at scale. Our network of architecture, engineering, and consulting brands strives to answer this call.
Digital Sustainability
The physical and digital worlds are merging rapidly. Today, we demand more than ever before of the places and spaces we occupy each day. To keep pace, the built environment must stand ready to embrace data and emerging technologies. Our collaborative of architecture, engineering, and consulting companies is at the forefront of this mission, creating harmonized connections between people and place.
Sidara HQ 150 Holborn — London, UK
Our expertise
Sidara leads with imagination, commitment, determination, and resilience in some of the world’s most technically challenging and dynamic industries.
Sectors
Aviation
Ensuring that travelers have a seamless, enjoyable transition from the moment they leave home to the time they board a flight is more important than ever.
Communities
As stewards of our local communities, we are focused on how we can create a better world through the power of architecture, design, and engineering, guided by innovative and technically advanced approaches.
Healthcare
As societies and the people within them continue to change, our healthcare systems must evolve with them. Central to this is improving access to all
Environment
To create spaces where humans and nature coexist, we work to integrate ecosystems with the built environment through methods like embedded biophilia and walkable urban design.
Mobility
As our lifestyles and expectations change, we need to rethink how we get around, and ensuring journeys are efficient, affordable, and altogether more sustainable.
Science & Technology
From the labs helping to eliminate the world’s most infectious diseases to the data centers processing our every interaction online, the spaces that host humanity’s major breakthroughs require something special to make them a reality.
Water
Our ability to effectively manage, treat, reuse, and transport this vital resource is critical to our wellbeing and the sustainability of the place we all call home.
Energy Transition
As we transform the places we live and our lifestyles to become more sustainable, it is crucial that energy is affordable and accessible to all. so that the quality of all life can be improved.
Aviation
The global leader in the planning, design and delivery of airports.
#1
International design firm in airports (ENR 2022)
Of top 30 global airports advised on
300+
Aviation clients around the world
23 #1
Communities
Creating the spaces and places that inspire the imagination, protect our planet, and improve the quality of life.
#2
International design firm in buildings (ENR 2022)
International design firm in education (ENR 2022)
#1
International design firm in religious (ENR 2022)
Centralny Port Komunikacyjny, Warsaw, Poland — Dar
Working across the entire spectrum of care delivery, shaping environments that improve the patient experience while reducing the impact on the environment.
International design firm in healthcare (ENR 2022)
World’s largest medical equipment planning team
19
of top 20 US healthcare systems advised on
Healthcare Environmental Solutions
As advocates of a better world and stewards of our natural environment we work to deliver projects that are equitable, sustainable, and, that make a genuine difference to our world.
O’Hare Global Terminal, Illinois, United States — TYLin | Landrum & Brown
The Greater Accra Regional Hospital, Accra, Ghana — Perkins&Will
Mobility
Designing strategies that are boundaryless, integrated, experiential and adaptable, to benefit both society and the environment.
International design firm in bridges (ENR 2022)
International design firm in transportation (ENR 2022)
Science & Technology
Applying deep technical expertise to plan, design and engineer the most technologically advanced spaces on earth – and beyond.
Oakland Bay Bridge, San Francisco, USA — TYLin
Cavendish Laboratory, University of Cambridge, UK — Currie & Brown
Water
Providing tailor-made and environmentally sensitive solutions at all stages of the water lifecycle to provide clean, safe, and affordable water to our communities.
Energy Transition
Providing tailor-made and environmentally sensitive solutions at all stages of the water lifecycle to provide clean, safe, and affordable water to our communities.
Newtown Creek Wastewater Resource Recovery Facility, New York City, USA — TYLin
Biopio & Baia Farta Solar Farms, Angola, Africa — Dar
Sidara HQ 150 Holborn — London, UK
Our collaborative
The brands are connected by common purpose and values. Our companies have worked on some of the most iconic and impactful projects throughout the world. Through livability, sustainability, and digital solutions, we tackle the world’s biggest, most ambitious, and most critical challenges. Together we are Sidara.
Founded in 1956 Joined Sidara in 1986
Providing planning, design, management and consultancy for the world’s most important and exciting projects.
Areas of expertise
– Communities
– Mobility
– Aviation
– Healthcare
– Water
– Environmental Consultancy
– Energy Transition
Services
– Planning & Strategy
– Architecture & Design
– Engineering
– Environmental
– Economics
– Project & Construction Management
Perkins&Will
Founded in 1935
Joined Sidara in 1986
Award-winning, research based, inter-disciplinary architecture firm and the only Sidara business devoted exclusively to design.
Areas of expertise
– Communities
– Healthcare
– Science & Technology
– Aviation
– Environmental Consultancy
– Energy Transition
Services
– Architecture
– Branded Environments
– Interior Design
– Landscape Architecture
– Reuse and Transformation
– Urban Design
– Workplace Strategy
North Carolina State University Gregg Museum of Art and Design — North Carolina, USA
TYLin
Founded in 1954 Joined Sidara in 1989
One global company delivering world-class infrastructure through technical excellence and innovation.
Areas of expertise
– Communities
– Mobility
– Aviation
– Healthcare
– Water
– Environmental Consultancy
– Energy Transition
Services
– Design
– Program Management
– Environmental Services
– Construction Engineering & Inspection
– Construction Management
– MEP Engineering
– Planning
– Seismic Analysis & Design
– Surveying
The Point — Utah, United States
Niagara Falls State Park Transformation Initiative — New York, USA
Currie & Brown
Founded in 1876 Joined Sidara in 2012
Global leader in project management, cost management, and advisory services for some of the world’s most technical and dynamic sectors.
Areas of expertise
– Communities
– Healthcare
– Science & Technology
– Aviation
– Environmental Consultancy
Services
– Project Management
– Cost Management
– Advisory Services
– Sustainable Design
– Project Controls
– Contract Management
– Building Surveying
University Hospital Monklands — Airdrie, United Kingdom
Cayan Tower — Dubai, United Arab Emirates
Penspen
Founded in 1954 Joined Sidara in 1990
Providing consulting, project, and engineering solutions. Penspen is helping countries access lower carbon fuels and extending the useful life of existing energy infrastructure to bring cleaner energy to people worldwide.
Areas of expertise
– Energy Infrastructure
– Digital Transformation
Services
– Engineering & Design
– Project Management & Consultancy
– Asset Management
– Asset Integrity
– Digital Solutions
– Knowledge & Training
Hydrogen Blending Facility — Portugal
Introba
Formed in 2022 by the coming together of Integral Group – pioneers of deep green engineering – and Ross & Barruzini, a leading technology, security, and engineering firm, founded in 1953.
One of the world’s largest building engineering and consulting firms with more than 1,000 employees in offices across North America, the United Kingdom, Serbia, and Australia.
Areas of expertise
– Communities
– Healthcare
– Science & Technology
– Aviation
– Environmental Consultancy
– Healthcare
Services
– Engineering
– Digital Advisory
– Climate & Sustainability
– Design Analytics
– Medical Equipment Planning
– Technology Systems
Lululemon Store Support Center — Vancouver, Canada
Landrum & Brown
Founded in 1949 Joined Sidara in 2007
Global specialist in aviation planning and development for over 70 years. Bringing passion and creativity to solve the most complex global aviation challenges.
Areas of expertise
– Aviation
Services
– Activation Planning
– Airfield & Airspace
– Commercial Development
– Environmental
– Business & Finance
– Ground Transportation
– Master Planning & Strategy
– Terminal Planning & Design
Chicago O’Hare International Airport — Chicago, USA
Charlotte Douglas International Airport — North Carolina, USA
Hangzhou Xiaoshan International Airport — Hangzhou, China
Maffeis
Founded in 2000
Joined Sidara in 2013
Leading specialist in everything from stadia, bridges and ETFE structures to complex facades and intricate mechanical systems – specialising in projects that are structurally unique.
Areas of expertise
– Communities
– Mobility
– Aviation
– Energy Transition Services
– ETFE Engineering
– Facade Engineering
– Tensile Structures
– Special Steel Structures
– Retractable Roofs
– Bridges Engineering
– Renewable Energies
– Mechanical Systems
– Structural Analysis
Coca-Cola Arena — Dubai, UAE
Pavilion, UK Pavilion, Expo 2020 — Dubai, UAE
Al Janoub Stadium — Doha, Qatar
Connect
Sidara HQ 150 Holborn — London, UK (Photo credit: Perkins&Will)