Top 100 Interior Design Companies
The Best of December 2025
Interior design is a multidisciplinary field that requires science and art to create harmonious yet functional spaces. It combines furniture arrangement, space planning, lighting, and decor to create a visually pleasing space.
Essentially, interior design firms are professional service providers specializing in planning and designing interior spaces. They handle different kinds of projects, from residential spaces to commercial projects, offering tailored designs to meet their clients' specific requirements and ideas. These firms offer a range of services, including concept development, furniture and accessory selection, and sustainability consulting. Businesses that partner with interior design firms can create holistic office spaces and attractive stores that increase the value of their properties.
When searching for the ideal interior design partner, their portfolios can help you decide if they fit your project. Take a closer look at the past projects they have worked on and see if their approach fits your taste.
Jump to Most Reviewed Companies
List of the Best Interior Design Firms
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9391Undisclosed2 - 9 employeesDes Plaines, ILBCR Architects is a small Architectural Design and Interior Design company located in Des Plaines, Illinois. The team offers Architectural Design and Interior Design.Read More
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9392Undisclosed2 - 9 employeesDes Plaines, ILArchitectural Design and Interior Design company Landmark Design Group, LLC was founded in 2007. The team focuses on Architectural Design and Interior Design.Read More
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9393Undisclosed2 - 9 employeesLos Angeles, CAFormation Association Architecture, Inc., an Architectural Design and Interior Design company, specialize in Architectural Design and Interior Design. They were launched in 2008.Read More
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9394Undisclosed2 - 9 employeesPittsburgh, PAArchitectural Design and Interior Design company Cullen & Associates, Architect provides Architectural Design and Interior Design. They are based in Pittsburgh, Pennsylvania.Read More
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9395Undisclosed2 - 9 employeesPittsburgh, PAFortyEightyArchitecture, an Architectural Design and Interior Design company, was launched in 2002. The firm provides Architectural Design and Interior Design.Read More
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9396Undisclosed2 - 9 employeesPittsburgh, PAEstablished in 2003, inter*ARCHITECTURE is an Architectural Design and Interior Design company. The team provides Architectural Design and Interior Design.Read More
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9397Undisclosed2 - 9 employeesPittsburgh, PALoysen + Kreuthmeier Architects, an Architectural Design and Interior Design company, was launched in 2003. The agency provides Architectural Design and Interior Design.Read More
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9398Undisclosed2 - 9 employeesPittsburgh, PATKA Architects, Inc. Is an Architectural Design and Interior Design company. Their team is located in Pittsburgh, Pennsylvania. The agency offers Architectural Design and Interior Design.Read More
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9399Undisclosed2 - 9 employeesPittsburgh, PAHegnes Design, LLC is a small Pittsburgh, Pennsylvania-based Architectural Design and Interior Design company. Their services include Architectural Design and Interior Design.Read More
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9400Undisclosed2 - 9 employeesPittsburgh, PAEstablished in 1994, Stephen Casey Architects is a small Architectural Design and Interior Design company. Their team offers Architectural Design and Interior Design.Read More
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9401Undisclosed2 - 9 employeesPittsburgh, PAArchitectural Design and Interior Design company Studio for Spatial Practice was founded in 2007. The team focuses on Architectural Design and Interior Design and is based in Pittsburgh, Pennsylvania.Read More
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9402Undisclosed2 - 9 employeesPittsburgh, PAHeadquartered in Pittsburgh, Pennsylvania, Penner and Associates Architects is an Architectural Design and Interior Design company. The team provides Architectural Design and Interior Design.Read More
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9403Undisclosed2 - 9 employeesPortland, ORSUM Design Studio is a small Architectural Design and Interior Design company founded in 2006. Their services include Architectural Design and Interior Design.Read More
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9404Undisclosed2 - 9 employeesSanta Clara, CAHPC Architecture, Inc. Is an Architectural Design and Interior Design company. The team offers Architectural Design and Interior Design, and the company is based in Santa Clara, California.Read More
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9405Undisclosed2 - 9 employeesBellevue, PACore Architects LLC, a small Architectural Design and Interior Design company, is headquartered in Bellevue, Pennsylvania. Their services include Architectural Design and Interior Design.Read More
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9406Undisclosed2 - 9 employeesPittsburgh, PAIn Pittsburgh, Pennsylvania, Thoughtful Balance Inc. Is a small Architectural Design and Interior Design company. Their services include Architectural Design and Interior Design.Read More
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9407Undisclosed2 - 9 employeesMonaca, PAEngle Design LLC is an Architectural Design and Interior Design company launched in 2009. Their team specializes in Architectural Design and Interior Design.Read More
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9408Undisclosed2 - 9 employeesPhiladelphia, PAArchitectural Design and Interior Design company DIGSAU was founded in 2007. The team specializes in Architectural Design and Interior Design.Read More
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9409Undisclosed2 - 9 employeesPhiladelphia, PAIan Smith Design Group LLC is an Architectural Design and Interior Design company established in 2008. The firm offers Architectural Design and Interior Design.Read More
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9410Undisclosed2 - 9 employeesSudbury, MAFounded in 2012, Studio47 Architects, LLC is an Architectural Design and Interior Design company. The company offers Architectural Design and Interior Design.Read More
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9411Undisclosed2 - 9 employeesPalmer, MAArchitectural Design and Interior Design company Architectural Insights, Inc. Provides Architectural Design and Interior Design. They were established in 1988.Read More
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9412Undisclosed2 - 9 employeesPortland, ORPeter Meijer Architect, PC, an Architectural Design and Interior Design company, specialize in Architectural Design and Interior Design. They were founded in 2003.Read More
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9413Undisclosed2 - 9 employeesPortland, ORJones Architecture is an Architectural Design and Interior Design company. Launched in 2014, the company specializes in Architectural Design and Interior Design.Read More
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9414Undisclosed2 - 9 employeesPortland, ORArchitectural Design and Interior Design company POLYPHON is based in Portland, Oregon. Launched in 2013, the team focuses on Architectural Design and Interior Design.Read More
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9415Undisclosed2 - 9 employeesShrewsbury, MAShine Star Services LLC, an AR/VR development and Interior Design company, is located in Shrewsbury, Massachusetts. The team specializes in AR/VR development and Interior Design.Read More
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9416Undisclosed2 - 9 employeesPortland, ORFluent Design is an Architectural Design and Interior Design company. Launched in 2012, the team focuses on Architectural Design and Interior Design. The firm is headquartered in Portland, Oregon.Read More
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9417Undisclosed2 - 9 employeesPortland, ORZenbox design is an Architectural Design and Interior Design company founded in 2013. The firm focuses on Architectural Design and Interior Design, and is small.Read More
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9418Undisclosed2 - 9 employeesPortland, OREstablished in 2009, Wise Design is a small Portland, Oregon-based Interior Design and Lighting Design company. Their services include Interior Design and Lighting Design.Read More
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9419Undisclosed2 - 9 employeesPortland, ORLaunched in 2004, Holah Design + Architecture is an Architectural Design and Interior Design company. The team focuses on Architectural Design and Interior Design.Read More
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9420Undisclosed2 - 9 employeesBend, ORJ S Brown Design is an Architectural Design and Interior Design company headquartered in Bend, Oregon. They specialize in Architectural Design and Interior Design and were established in 1983.Read More
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