Jamesty
Design, engineering, and art are all combined in the dynamic field of architecture to produce the buildings that define the built world. Some architecture firms have emerged as global powerhouses as a result of the growing need for creative, sustainable, and useful designs on a worldwide scale. These companies set the standard for architectural innovation, produce iconic structures, and have an impact on urban environments. According to their size, project portfolios, earnings, and industry recognition, the top ten architecture companies in the world as of 2025 are listed below.
List Of Top 10 Best Architecture Firms In The World 2025
1. Gensler
One of the most significant and inventive architecture, design, and planning businesses in the world is Gensler. Since its founding in San Francisco in 1965, the company has expanded to become a global powerhouse, employing over 6,000 people and operating offices in more than 50 places across the globe. Gensler is frequently included among the leading architecture companies in the world and is well-known for its broad portfolio and extensive experience in a variety of industries. Gensler’s work has an impact on cities, communities, and organizations worldwide, ranging from high-rise structures and urban planning to interior design and sustainable architecture.
2. Arcadis
With a core focus on sustainability, urban development, infrastructure, and environmental stewardship, Arcadis is a well-known international firm that offers design, engineering, and consulting services. The company was established in the Netherlands in 1888 and has since expanded to become one of the biggest and most reputable businesses in its industry worldwide. With more than 27,000 employees and a significant presence in more than 70 countries, Arcadis offers a broad range of services to customers in industries like real estate, energy, water management, and transportation.
3. Henningson, Durham, and Richardson, Inc. (HDR)
A well-known multidisciplinary engineering, architecture, environmental, and construction business, Henningson, Durham, and Richardson, Inc. (HDR) is renowned for offering creative solutions to a variety of industries. With a significant presence in design, consultancy, and construction services, HDR is well-known throughout the world for producing intricate, high-quality, and sustainable projects. With its headquarters located in Omaha, Nebraska, HDR has been providing services to clients for more than a century and is still a pioneer in bringing about constructive change for industries and communities across the globe.
4. Nikken Sekkei
One of Japan’s most well-known and significant architectural firms, Nikken Sekkei is praised for its creative designs, dedication to sustainability, and contributions to the built environment around the world. With a long history spanning more than a century, Nikken Sekkei has emerged as a major player in the fields of architecture, engineering, and urban planning, producing renowned projects all over the world that strike a balance between environmental responsibility, practicality, and aesthetic appeal.
5. Sweco
Leading global engineering, environmental, and design consulting business Sweco focuses on offering creative solutions for a range of sectors, with an emphasis on infrastructure, urban development, and sustainability. With activities in over 40 countries around Europe, North America, and beyond, Sweco, which has its headquarters in Stockholm, Sweden, has broadened its global presence. With experience in a variety of fields, including architecture, environmental services, urban planning, construction, and energy solutions, the company is recognized as one of the leading global suppliers of engineering and consulting services.
6. Perkins & Will
An internationally recognized architecture and design business, Perkins & Will has a long history of providing creative and environmentally friendly solutions for a variety of industries. With a dedication to sustainability, architectural excellence, and community impact, Perkins & Will has established a reputation for using innovative and careful design to alter the built environment. Since its founding in 1935, the business has grown to rank among the most renowned and significant architecture firms globally, having a significant presence in major cities in North America, Europe, Asia, and beyond.
7. Architecture, Engineering, Construction, Operations, and Management (AECOM)
In the fields of architecture, engineering, construction, operations, and management, or AECOM, AECOM is a world leader. AECOM has established itself as one of the biggest and most significant firms in the built environment thanks to its extensive portfolio, long history, and emphasis on sustainability and innovation. Since its founding in 1990, the company has grown to operate in almost every country in the world, offering services in a variety of industries, including government, energy, water, transportation, infrastructure, and environmental services.
8. Perkins Eastman
Renowned for its holistic and creative approach to architecture, interior design, urban planning, and sustainability, Perkins Eastman is a globally acclaimed architecture and design business. Perkins Eastman, one of the top built environment organizations with offices in North America, Europe, and Asia, has made a name for itself by taking on challenging design problems and creating outstanding, people-centered places for a range of industries.
9. Dana Larson Roubal and Associates (DLR Group)
The multidisciplinary architecture, engineering, planning, and design firm DLR Group—formerly known as Dana Larson Roubal and Associates—has had a major impact on the built environment. DLR Group is renowned for its capacity to create inventive and useful ideas that serve a wide range of industries, with a focus on innovation, teamwork, and sustainability. The company is renowned for taking a comprehensive approach, incorporating engineering and architecture into all facets of the design process, from conception to completion.
10. Harwood Knox Smith (HKS)
The globally renowned architecture, planning, and design firm Harwood Knox Smith (HKS) has continuously pushed the limits of innovation and design. Since its founding in 1939, HKS has been a world leader in architecture and design, renowned for its dedication to producing environments that are not only aesthetically pleasing and useful but also sustainable and flexible enough to meet the demands of the contemporary world. HKS, which has its headquarters in Dallas, Texas, has a global presence and has completed significant projects in a variety of industries, from commercial and hospitality design to healthcare and sports.
