Top Software Development Companies in Seattle

Industry leaders such as AT&T and Starbucks consider TheoremOne as their reliable partner for software development and business consulting services. The Los Angeles-based team has worked with numerous large enterprises in the consumer products, business services, and IT industries.

One of TheoremOne’s biggest projects is its MVP development partnership with iMercatus Holdings LLC, an oil and gas construction marketplace from Houston, Texas. The team built a strategy for the client and eventually handled the design and development of the MVP.

Established in 1999, ATOMICUS is a custom software development firm.The team focuses on custom software development.

Skelia is an IT and engineering company that helps to grow businesses of all sizes such as Nordic Leisure Travel Group, Agidens, and C-Quilibrium. They provide IT staff augmentation, custom software development, and application testing services to businesses primarily in the IT, manufacturing, and hospitality industries. 

Skelia developed an Android and iOS application for a travel company. Skelia augmented the development initiative by dedicating 20 developers who helped to integrate the platform with the client's services. The mobile application not only generated notable user engagement but also received high ratings in the App Store.

Founded in 1995, Beyondsoft Consulting Inc. is an IT services company that is well-versed in cloud consulting, big data, and software development. The Bellevue, Washington-based team has an extensive portfolio working with notable companies such as HP, Microsoft, Alibaba, and Verizon.

Among Beyondsoft Consulting Inc.’s biggest projects is with Toyota North America, an automotive company. The team provides digital analytics support, primarily managing the client’s Adobe analytics across different business units. They help test Toyota North America’s website, content analytics, and surveys.

Recognizable brands worldwide have employed BILBERRY to bring their custom software development needs to the next level. Based in Seattle, BILBERRY was founded with a focus on helping brands evolve into their best, most user-friendly selves.

When their client needed a more impactful and effective strategy for reaching goals nationwide, BILBERRY provided them with focused service that continues to this day. Their strategy involved refining their client’s distinct voice as well as their visual profile to become more effective in a crowded digital space.

Their clients include major enterprise clients like Mercedes-Benz, but Projekt202 is a software development agency that hasn’t lost its focus on innovation or creativity. This Texas based firm helps organizations around the world focus their strategy for greater success.

If you want to see how Projekt202 helps brands communicate with their audiences in a unique and crowded space, look no further than their work for Capital One. Projekt202 helped them define a strategy for their audience to improve their reach.

MediaSoft Mobile develops mobile and web app for financial, mass media, e-commerce, and telecom companies. they work with clients ranging from evolving startups to large enterprises.

For example, they created Zdravcity, an online service that allows users to order medicine directly from the distributor and pay and receive the medicine in the drugstore next door. Through one app, users can order goods, view goods of the day and the nearest pharmacy, a complete description and instructions for the medication and the accompanying goods, and search for medicines using the name, MNN or the maker.

Black Antelope clients include the Monterey Bay Aquarium, and they specialize in providing design-centric web development expertise for their clients. With a focus on emphasizing the most vital elements of brand messaging, Black Antelope was founded on forward-thinking principles in Seattle.

When LiveBallot needed a complete overhaul of their web interface to make voting easier, they turned to Black Antelope. The agency provided them with an end-to-end analysis of how they could make their web presence more targeted, impactful and successful.

Human resources company Slashdev was launched in 2020. The team focuses on HR services, IT staff augmentation, custom software development, web development, and more and is based in Seattle, Florida; London, United Kingdom; Stockholm, Sweden and San Diego, California.

Affirma Consulting is a midsize digital strategy company. In Bellevue, Washington; Ahmedabad, India; Dublin, Ireland and Los Angeles, California, the firm was launched in 2001. Their services include digital strategy, custom software development, BI & big data consulting & SI, cloud consulting & SI, and more.

Based in Seattle, Flower Press Creative studio is an entirely female-owned digital product design studio with clients that include Nike and Disney. Founded in 2001, Flower Press uses a unique approach to product design that leads to increased product insights for clients.

When major software developer, Daitan Group, contacted Flower Press about designing a modern and responsive site to emphasize their key selling points, Flower point delivered a robust and satisfyingly effective site that spoke to their key markets with professionalism and style.

Smashing Ideas, a user experience design agency, is based in Seattle, Washington. They specialize in ux/ui design, IT strategy consulting, mobile app development, custom software development, and more and were launched in 1996.

Northwest Independent Ruby Development are experts in creating impactful apps and products from their clients’ ideas. Their team specializes in all aspects of web and mobile development—from ideation and design to testing and continued support. 

An example of their work was a recent collaboration with The University of Washington to develop their Comotioin IT system. The product delivers connections and tools to the university community to accelerate the impact of their innovations. 

SB Develops is a app development company. They are in Seattle, Washington and have small team. Their services include mobile app development, web development, ux/ui design, web design, and more.

Redtech is a digital strategy company located in Bellevue, Washington. The midsize agency was founded in 1995. Their team specializes in digital strategy, custom software development, web development, back office outsourcing, and more.

Launched in 2009, Virtuosity Consulting is a software development firm. The agency specializes in custom software development, IT managed services, CRM consulting and SI, BI & big data consulting & SI, and more and has a midsize team.

Launched in 2015, Dynomind.tech is a small software development company. Their services include custom software development, web development, mobile app development, BI & big data consulting & SI, and more.

With an impressively robust client list that includes names like Microsoft, PYCOGroup empowers brands with mobile app development. Founded on design-first principles, this Brussels-based firm offers an emphasis on helping brands drive change.

One example of PYCOGroup’s experience is their work for American Express, one of the world’s respected brands. PYCOGroup helped them target their audience of customers with a complete reevaluation of their strategy. This resulted in powerful engagement and an increase in perceived authority for them. 

Room 8 Group is a application development company. They are located in Limassol, Cyprus and have large team of experts. Their services include mobile app development, custom software development, application testing, ux/ui design, and more.

Globant is a website development company. They are based in Buenos Aires, Argentina; San Francisco, California; Ciudad de México, Mexico and Zapopan, Mexico, and their services include web development, custom software development, ux/ui design, content marketing, and more.

Software development firm ConnectPOS is headquartered in Seattle, Washington. Their services include custom software development and application management & support.

Carbon Five is a software development firm. They were launched in 2000, and their services include custom software development, mobile app development, web development, web design, and more.

Amberteq is a enterprise app modernization company. In Bellevue, Washington, their small team focuses on enterprise app modernization, cloud consulting & SI, ERP consulting and SI, and custom software development. The firm was launched in 2018.