Top 100 Web Development Companies in Denver

Aten Design Group is a Denver-based website designer that was founded in 2000. Its 30 employees help clients in the non-profit and education industries with web design and development and digital strategy.

Flatirons Development is a UX/UI product design and software development consultancy, founded in 2018. They employ seven staff in their office in Boulder, Colo., where they focus primarily on product management and strategy, UI and UX design, web development, and native mobile app development. They work with a range of small, midmarket and global companies.

Tonic, a enterprise app modernization company, is headquartered in Denver, Colorado. The small agency was launched in 2015. Their services include enterprise app modernization, ux/ui design, web development, and mobile app development.

Gorilla Logic provides nearshore Agile teams to Fortune 500 and SMB companies, bringing unparalleled expertise in the delivery of full-stack web, mobile, and enterprise applications. Founded in 2002 and headquartered in Broomfield, Colo., they have over 500 employees and development centers in San José, Costa Rica and Medellín, Colombia. 
 

UPQODE is a website design and development agency based in Nashville, Tennessee. Founded in 2015, the team of 40+ specializes in web development, web design, and e-commerce development. They work with small businesses, focusing on information technology, e-commerce, and business services.

Altoros is a software development company in Warsaw, Poland. Founded in 2001, Altoros' team of over 350 employees specializes in cloud consulting, BI & big data consulting, blockchain and artificial intelligence services. 

Horizontal Integration is an IT services company that primarily serves the healthcare sector, among a variety of industries. Founded in 2003, they have about 225 employees that do web development, web design, and marketing. Horizontal Integration is headquartered in St. Louis Park, Minn. and has additional offices in Denver, Chicago, Addison, Texas, and India.  

Elevated Third is a Denver-based Drupal web development agency. Founded in 2005, Elevated Third has a team of about 30 that works with organizations ranging from small nonprofits to large Fortune 500 companies. They also assist with web design, digital strategy, and UI/UX design.

Dept is a web development firm that was founded in 2016. They have a team of over 1,300 employees, spread out over four offices in Boston, Amsterdam, Berlin, and Manchester, U.K. They offer web development, UX/UI design, and web design to midmarket and enterprise companies across the globe.
 

Founded in 2003, Fruition is a full-service digital marketing agency based in Denver, Colo. The team of about 40 primarily offers web design and development, as well as UX/UI design, social media marketing, and digital strategy. Most of Fruition's clients are midmarket businesses, though some are small businesses.

Groundwrk is a website design and digital marketing and branding company located in Devner, Colo. They were founded in 2019 and employ between two and nine industry professionals specializing in product design and development, custom WordPress websites, and branding. They work predominantly with small and mid-size companies in business services, consumer products, and dental.

Kokopelli is a Littleton, Colorado-based email marketing company. The small team specializes in email marketing, marketing strategy, pay per click, search engine optimization, and more. The agency was launched in 2015.

WestLink is a midsize Boulder, Colorado-based software development company. Launched in 2016, the team focuses on custom software development, e-commerce development, mobile app development, web development, and more.

Thrive Engine is a web design agency established in 2015. Based in Thornton, Colorado, their small team specializes in web design, web development, graphic design, logo, and more.

With headquarters in Denver and offices all over the country, NEWMEDIA specializes in creative and innovative web design and development and SEO. The agency and its nearly 200 employees have created 3500+ websites and applications since they were founded in 1996.

Denverdata Web is a web design and development firm based in Denver, CO. Founded in 1998,  Denverdata Web's team of fewer than 5 employees has over two decades of experience working with clients on web design, SEO, and PPC services. 

More Seconds, a web development firm, was founded in 2019. The small team provides web development, web design, and ux/ui design. The agency is headquartered in Denver, Colorado.

10 Pound Gorilla is a Denver-based website design firm that was founded in 2003. 10 Pound Gorilla's team of 7 employees has experience in web design, web development, and SEO for its small and mid-market sized clients. The firm also offers PPC and social media marketing services.  

Neon Rain Interactive is a Denver-based custom web development firm that was founded in 2002. The firm has around 10 employees and provides custom software development, web design, and web development services mainly to small businesses.

Located in Denver, CO, Think Tree Solutions has specialized in creating web and mobile applications since its founding in 2015. The small team of 10 works with clients to build products from scratch or to enhance existing products. They offer mobile app development, web development, UX/UI design, and web design services.

In Chicago, Illinois, 128 is a small web design agency. They specialize in web design and web development and were launched in 2021.

BLKDG is a Denver-based creative agency that specializes in web development, e-commerce development, and UI/UX design. Founded in 2010, BLKDG's has a small team of 6 employees. 

Watermark Agency is a small print design agency. Based in Denver, Colorado, the agency was launched in 1980. Their services include print design, web design, graphic design, content marketing, and more.

Founded in 2015, VEA Technologies is a digital agency based in Arvada, Colo. Their team of six specializes in SEO, web development, digital strategy, and web design for midmarket clients and small businesses. 

Zenman is a Denver based web design and digital agency. They were founded in 1998 and have a team of 16 employees who specialize in content marketing, web design, and web development for clients in the media, real estate, and advertising industries.

Luminate Denver is a small web design agency established in 2022. Their team provides web design, web development, search engine optimization, branding, and more. The company is in Centennial, Colorado.

Digital media agency Goldrock Creative is based in Boulder, Colo. and employs a team fewer than 10 members. Goldrock Creative has been specializing in web design, branding, video production, and SEO services since it was founded in 2016.  

Epic Apps is an app development company based in Greenwood Village, Colo. Founded in 2012, they currently have 28 people on staff. The Epic Apps team provides mobile app development, web development, and web design services. They primarily work with small and mid-market businesses. 

Tag Team Design is a web and mobile app design and development firm located in Greenwood, CO, right outside Denver. Founded in 2010, the team of 10 employees also dabbles in search engine optimization (SEO), branding, and social media marketing.

House of Giants is a small website development firm. In Denver, Colorado, the firm was launched in 2015. Their services include web development, web design, ux/ui design, digital strategy, and more.