The leading American landscape architecture firms create the flourishing urban and natural landscapes that connect people with nature

Landscape design is an integral part of architectural design, yet we often overlook it. In most cases, all our attention is focused on beautiful building structures, that is why, perhaps, we don’t pay enough attention to the surrounding landscape — yet it’s often what makes the building stand out. Concrete buildings can feel monotonous without the lush green landscape and even the most beautiful facilities can feel secluded or monotonous without a suitable landscape design. Lush foliage, thoughtful arrangements, and carefully curated outdoor spaces can alter a building from just another structure into an integrated, living part of its environment.

Many landscape architecture firms specialize in creating a background that harmoniously blends natural and manufactured components, turning outdoor spaces into vibrant, functional works of art. Here is a list of just a few of USA’s top landscape architecture design firms, known for their creative vision, impactful projects, and knowledge to blend art with environmental commitment. Whether you’re an aspiring landscape architect, a design enthusiast, or simply curious about the firms shaping the future of our urban and natural landscapes, this list is a great starting point for inspiration and insight.

GGN

GGN stands for Gustafson Guthrie Nichol, a recognized landscape architecture firm headquartered in Seattle, Washington, with an additional office in Washington, DC. Established in 1999 by Kathryn Gustafson, Jennifer Guthrie, and Shannon Nichol, the firm employs over 30 professionals with expertise in diverse fields, such as landscape design, architecture, art, engineering, ecology, and archaeology. This interdisciplinary approach enables GGN to handle various landscape design projects with the help of famous landscape architects.

Specializing in creating landscapes for high-traffic urban areas, GGN designs calming and adaptable spaces, which are filled with people, providing quiet moments for reflection. Their designs are rooted in thoroughly understanding a site’s history, environment, and the surrounding community.

Sasaki

Sasaki is a design that focuses on landscape architecture and offers side expertise in urban design, ecology planning, civil engineering. Based in Boston, Massachusetts, with offices in Denver, Sasaki works globally and serves a wide array of clients professionally.

Established in 1953 by landscape architect Hideo Sasaki, the business emerged during Sasaki’s tenure as a professor and head of the landscape architecture department at the Harvard Graduate School of Design. Sasaki’s method was groundbreaking at the time, prioritizing interdisciplinary alliance and highlighting the seamless integration of land, structures, people, and surrounding environments.

Today, Sasaki continues to be one of the best landscape architecture companies, with over 300 employees specializing in diverse design and specialized disciplines. The firm’s work spans a mixture of project types, concentrating on building endurable, alluring, and contextually relevant landscapes that connect people with their environments.

Stantec

Stantec, one of the world’s most well-known architectural design companies, believes in empowering clients, communities, and individuals through their designs. The company takes on challenging projects and addresses design difficulties through modern infrastructural innovations.

As an international leader in endurable landscape architecture, Stantec uses its innovative vision to design resilient and sustainable architecture that improves the quality of life. Through green infrastructure endeavors, the company has established an equilibrium between natural and built environments.

Stantec has also embraced diverse perspectives to tackle critical issues such as climate adaptation, biodiversity, and sustainable urban planning, creating flourishing environments. Stantec houses a few of the best landscape architects in town. These architects bring their creativity to innovate and transform landscapes, helping communities to reimagine themselves.

Nelson Byrd Woltz Landscape Architects (NBW)

Nelson Byrd Woltz (NBW) was established in 1985 by Warren T. Byrd Jr. and Susan Nelson Byrd, later joined by Thomas Woltz, who is now the firm’s sole owner and principal. NBW has rightfully earned its reputation as one of America’s most respected voices in cultural and ecological landscape design, driven by a consistent mission: to heal and regenerate damaged land, acknowledge its history, and create spaces that equally enrich nature and the human community.

The firm excels in creating diverse landscapes that blend ecological restoration with compelling design narratives. Notable projects include CityGarden in St. Louis, the Memorial Park Land Bridge in Houston, and the Oyster Harbor Master Plan in the Bahamas, all of which showcase how NBW transforms research and stewardship into functional art.

Under Woltz’s leadership, the firm merges scientific precision with aesthetic appeal, aiming to regenerate ecosystems and deepen connections between people and nature, placing NBW at the forefront of mission-driven landscape architecture.

OLIN

OLIN is a structure design studio housing a famous landscape architect specializing in landscape architecture, urban design, and planning. The company has offices in Philadelphia and Los Angeles and is dedicated to creating extraordinary landscapes and urban settings worldwide. OLIN focuses on forging innovative strategies to design that prioritizes social arrangement, environmental responsibility, justice, and financial sustainability.

With over 40 years of experience, OLIN continues to evolve, blending craft and creativity with practicality in every project. The firm approaches each project with a profound acumen of the unique features of each zone. By blending the intrinsic qualities of the location with detailed programmatic needs, OLIN designs landscapes that are not only gorgeous but also functional and resilient.

James Corner Field Operations

The firm, James Corner Field Operations, is helmed by its founder, James Corner, a landscape architect and influential theorist recognized as a pioneer of the “landscape urbanism” movement.  Field Operations has garnered acclaim for transforming neglected urban infrastructure into vibrant public spaces. Notable projects include Manhattan’s High Line, the conversion of the Freshkills landfill into Freshkills Park, and Miami’s The Underline park beneath elevated rail lines.

The firm’s philosophy extends beyond beautification; it emphasizes creating dynamic systems that engage people, nature, and the city. They view every site as an adaptable, interdisciplinary living system. Whether addressing waterfronts, transit corridors, or ecological regeneration, Field Operations expertly integrates infrastructure, ecology, and public life, producing designs that are both forward-looking and rooted in a strong sense of place.

SWA Group

SWA Group, founded in 1957, evolved from the original landscape architecture division of the celebrated firm Sasaki, Walker and Associates, lending the practice its iconic initials. Over more than six decades, SWA transitioned into an independent, employee-owned studio, championing a highly collaborative and deeply environmentally responsive design approach.

SWA, with studios in California and Texas, focuses on creating human-centered outdoor environments that strengthen the connection between people and nature.

Their portfolio highlights landmark projects like Buffalo Bayou Park in Houston, Dallas’s Pegasus Plaza, all recognized for innovation in climate resilience and ecological restoration. SWA’s vision emphasizes working with natural processes to achieve a balance of functionality, aesthetics, and environmental stewardship.

By Alex Arlander | ENC News