California is renowned for its architectural marvels, from iconic landmarks to stunning residential and commercial spaces. As a hub of innovation, creativity, and diverse architectural styles, the Golden State is home to some of the best architectural firms in the industry.

If you seek architectural expertise in California, the list below features the leading firms to consider. These firms have been handpicked based on their exceptional portfolio, design philosophy, industry recognition, and commitment to delivering visionary architectural solutions. From modern masterpieces that push the boundaries of innovation to the preservation of historical structures with thoughtful renovations, these firms are at the forefront of architectural excellence.


617 W 7th St, Suite 1200, Los Angeles, CA 90017

Founded in 1935, Perkins&Will is driven by the belief that design has the power to positively impact the world, creating spaces that are not only beautiful but also contribute to a better future. Comprised of a team of 2,500 professionals, Perkins&Will offers comprehensive interdisciplinary services in architecture, interior design, branded environments, urban design, landscape architecture, and more. Its partnerships with renowned firms such as Portland, Nelson/Nygaard, Genesis Planning, and Pierre-Yves Rochon (PYR) further enhance its expertise and capabilities.

Recognized for its excellence, Perkins&Will has received accolades such as the 2020 APA NorCal Award of Excellence for Best Practices and the Award of Merit for Urban Design. It is also affiliated with esteemed organizations like the American Institute of Architects, Design-Build Institute of America, American Society of Interior Designers, and Urban Land Institute. The company’s work has likewise garnered attention in reputable publications, including Design Milk, Architect Magazine, and Archinect, underscoring its commitment to innovation and cutting-edge design.


433 S Spring St, Suite 750, Los Angeles, CA 90013

KTGY, founded in 1991, is an international full-service architecture, branding, interior, and planning firm. With seven offices and studios worldwide, KTGY brings innovation, artistry, and attention to detail to every project, regardless of building type or location. The firm’s architects and planners combine big-picture thinking, sustainable practices, and impeccable design standards to create experiential environments and developments of lasting value.

The firm has garnered recognition for its exceptional work, including the 2023 National Association for Industrial and Office Parks SoCal Award for Mixed-Use/Retail Project of the Year for Halcyon House. KTGY is affiliated with prestigious organizations like the American Institute of Architects and the U.S. Green Building Council.

Notably, KTGY has been featured in publications such as Multi-Housing News, ProBuilder, and Multifamily Magazine, further attesting to its industry reputation. Tricia Esser, AIA, serves as the Chief Executive Officer, leading a team of over 400 professionals across offices in Chicago, Denver, Irvine, Los Angeles, Oakland, and Tysons. Esser holds a Bachelor of Arts in Communications from California State University, Fullerton.

AC Martin

444 South Flower St, Suite 1200, Los Angeles, CA 90071

Founded over 100 years ago by Albert C. Martin, Sr., AC Martin is a firm that has played an integral role in shaping the city of Los Angeles. With a vision to transform LA into a thriving community, Martin began his journey in 1906 when the county’s population was a mere 100,000. Today, Los Angeles is a cultural hub and a bustling center of commerce, home to nearly 13 million people. Throughout its extensive history, AC Martin has stayed true to the values instilled by its founder. Martin was a visionary and a consummate professional who believed in serving clients and the community. He aspired to make the world a better place, and that remains the firm’s unwavering commitment and responsibility.

AC Martin’s achievements have earned recognition, including the 2023 Green GOOD DESIGN Sustainability Award. It is also affiliated with esteemed organizations such as the American Institute of Architects, and its projects have earned LEED certifications with the assistance of its talented team of LEED-accredited professionals. AC Martin has likewise garnered attention in the press, with features in prominent publications like the Los Angeles Business Journal, The Real Deal, and ArchDaily.

Carrier Johnson + CULTURE

185 W F St, Suite 500, San Diego, CA 92101

Carrier Johnson + CULTURE is a renowned architecture and design firm specializing in creating personalized solutions for clients across various sectors, including higher education, corporate, advanced technology and life science, residential, public, and mixed-use. Since its establishment in 1977, the firm has maintained offices in San Diego, Los Angeles, New York, and Seattle.

Recognized for its exceptional work, Carrier Johnson + CULTURE has been honored with the 2022 Sustainable Growth Award for their remarkable Park and Market project. The firm’s commitment to sustainable design and construction is further demonstrated through its affiliations with prestigious organizations such as the American Institute of Architects and the Design-Build Institute of America, and having completed LEED-certified projects. Carrier Johnson + CULTURE has gained significant recognition in the industry, having been featured in reputable publications, including Architect Magazine, ArchDaily, and the Sacramento Business Journal.

Aaron Neubert Architects

2814 Rowena Ave, Los Angeles, CA 90039

Aaron Neubert Architects is a distinguished Los Angeles architecture firm specializing in various architectural projects, including modern single-family residences, hospitality spaces, multi-family developments, affordable and senior housing, and commercial structures. The firm has received notable recognition, such as the Interiors Award of Excellence at the LABC Los Angeles Architectural Awards in 2022, for its exceptional work on The Bunker project.

As a member of the American Institute of Architects, Aaron Neubert Architects is committed to maintaining professional standards and promoting excellence in the field. The firm has garnered attention in prominent architectural publications and platforms like Archinect, Designboom, Dezeen, and the Los Angeles Times, further solidifying its reputation for innovative design and thought-provoking projects.

Led by Aaron Neubert, FAIA, the founder and principal architect, the firm brings expertise and experience to every project. Mr. Neubert’s educational background includes a Master of Architecture degree from Columbia University’s Graduate School of Architecture, Planning, and Preservation and a Bachelor of Design degree from the University of Florida. He is an Adjunct Associate Professor at the University of Southern California, where he guides graduate design studios that explore the intersection of established and emerging building technologies, technical parameters, and contemporary architectural theory.


6255 W Sunset Blvd, Suite 920, Los Angeles, CA 90028

Assembledge+ is a full-service architecture firm based in Los Angeles, specializing in custom residential and commercial designs. The firm believes in timeless architecture that harmonizes with its surroundings and uplifts the human spirit. Led by David Thompson, AIA, the team brings expertise to every project, ensuring meticulous attention to design sensitivity and technical proficiency. Assembledge+ is committed to providing a personalized touch from large-scale ventures to intimate endeavors. Its aesthetic is warm modernism, emphasizing legible forms, embracing natural light, and utilizing a core material palette that includes western cedar, oak, concrete, glass, and terrazzo.

Recognitions include the prestigious 2023 Award from the Society of American Registered Architects for the Beverly Grove Residence. Assembledge+ is affiliated with the American Institute of Architects and the LA Forum for Art and Architecture. Its work has also been featured in renowned publications such as LUXE Interiors + Design, Dwell, CASA Vogue, and AN Interior. David Thompson, AIA, the visionary founder and principal designer of Assembledge+, possesses over 25 years of diverse architectural experience. His passion for exceptional craftsmanship shines through in residential and commercial buildings alike.

Jensen Architects

833 Market St, 7th Floor, San Francisco, CA 94103

Jensen Architects is driven by a passion for creating enriching buildings and environments that elevate the experiences of organizations and individuals. Focusing on resource efficiency and a broader cultural perspective, it embraces each client’s values and larger purpose to develop tailored solutions. The firm’s diverse portfolio spans arts, education, residential, workplace, and retail projects, reflecting a deep interest in contemporary living and working dynamics. By fostering research, unconventional thinking, and a commitment to craftsmanship, Jensen Architects takes joy in collectively solving design challenges.

Jensen Architects has received recognition for outstanding work, including a Merit Award at the 2023 ASLA Northern California Design Awards. It is affiliated with esteemed organizations such as the American Institute of Architects and the National Council for Interior Design Qualification. The studio’s work has likewise been featured in renowned publications like The Architect’s Newspaper, Dezeen, and Abitare Magazine.

Mark Jensen, FAIA, serves as the founding principal, bringing his expertise and vision to the firm. With a Bachelor of Architecture from California Polytechnic State University-San Luis Obispo, Jensen was honored with elevation to the American Institute of Architects College of Fellows in 2018.