Every great brand needs an engaging website, and every website needs a talented team of creative web designers and developers working symbiotically to highlight what makes a brand unique. Development and design agencies take into account everything from brand color schemes and media to a backend technical needs to create an engaging, beautiful website that customers enjoy visiting (and spending money on, in some cases).
Check out these Seattle-based web development and design companies who go above-and-beyond in their work.
Top Web Design and Development Companies in Seattle
- Bizango
- VisionSnap
- Substantial
- RN01
- Odd Dog Media
Top Web Design and Development Companies in Seattle
Headquarters: Seattle, Washington
What it does: Bizango is a web design and branding agency that helps businesses market to the right audience by offering custom web design, branding, digital marketing services and a drag-and-drop content management system for site owners. The company combines individualized research and strategy with story-driven design to showcase each client's distinctive value.
Headquarters: Shoreline, Washington
What it does: VisionSnap provides custom web design and development services to businesses and corporations in the Seattle area. The company offers site engineering, graphic design, search engine optimization, mobile development and custom content management systems for websites, e-commerce platforms and blogs.
Headquarters: Seattle, Washington
What it does: Milli is a creative agency that specializes in web design, content production, branding, creative strategy, social media and video production. It works with brands including the Seattle Seahawks, Red Bull, the University of Washington and Amazon to develop digital experiences and cultural narratives.
Headquarters: San Francisco, California
What it does: RNO1 is a global branding and digital growth agency that designs websites and digital platforms for modern brands, including Microsoft, Airbnb and Ericsson. The agency conducts in-depth research on customer behavior, competitive positioning and market opportunities, then creates custom web and mobile experiences paired with UX strategy and SEO optimization.
Headquarters: Seattle, Washington
What it does: Substantial is a digital product studio that designs and builds websites and software for companies, with a focus on integrating AI into client operations and products through strategy, design and custom development. The studio has created over 100 websites and apps, including work for clients such as Amazon, Citi, Google and Mercedes-Benz.
Headquarters: Seattle, Washington
What it does: Odd Dog Media designs and develops WordPress websites for businesses across the U.S. Pacific Northwest region, with services including SEO, paid search, social media management and content marketing. The digital marketing agency combines strategic design with search engine optimization to help create sites that drive user engagement and conversions.
Headquarters: Seattle, Washington
What it does: efelle creative specializes in website design and development, with a focus on mobile-responsive and e-commerce sites across professional services, hospitality and retail industries. The firm combines web design with digital marketing services such as SEO and conversion rate optimization to support client growth.
Headquarters: Everett, Washington
What it does: Jordan Crown designs and develops custom websites for enterprise and mid-sized companies using WordPress and digital strategy. The agency handles end-to-end projects involving web design, user interface mockups, WordPress theme development and digital promotional materials, with clients including Shell, Comcast and T-Mobile.
Headquarters: Bellevue, Washington
What it does: Sayenko Design designs and develops custom WordPress websites for clients in various industries, including Brooks, the University of Washington and Liberty Mutual. Its design team creates multiple concepts to deliver solutions that align with client needs, while its development team works to build easy-to-manage backends with browser testing and training.
Headquarters: Seattle, Washington
What it does: Bonsai Media Group designs and develops websites for local and national brands, emphasizing intuitive user experience on both front and back ends. The company provides end-to-end web design and development services, including content management systems, search engine optimization, cross-browser compatibility and expertise in Umbraco CMS and WordPress platforms.










