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Top 10 Software Development Companies in Seattle, WA

Max Babych

Max Babych


8 min

Seattle is one of the most tech-savvy cities in the US. Its cultural and economic diversity have already nurtured the best software startups, large tech companies, and corporations.

Seattle giants like Microsoft, Amazon, and others are attracting global talent and helping the city’s startup ecosystem. The investments have already let Seattle become one of the leading nation’s startup community.

The city has a vast amount of startups in various industries ⁠— biotech, retail, logistics, life sciences, real estate, and many others. There are plenty of Seattle based software companies that are destined to become new unicorns.

In 2023, the level of VC funding to Seattle startups hit record numbers and reached $3.59 billion. The increased global funding shows the investors’ interest in Seattle software companies and the tech ecosystem as a whole.

The picture shows a report on venture capital activity in Seattle

This report has shown that the Seattle VC activity rate is higher than the one of Chicago, Miami, Austin, and San Diego. However, there is still room for improvement since such regions as Silicon Valley ($50.6), New York ($27.5), and Boston ($10.7) are still ahead.

Being a city of innovations and creativity, Seattle attracts more and more millennials. In the past five years, the number of millennials has increased by 16%. Today, they account for nearly 32% of the total population.

In the past ten years, the population of Seattle has increased by 100,000 to 704,000. The increased flow of new talents is related to Amazon company. Seattle takes second place for tech education.

Today, the share of the residents with a bachelor’s degree or higher is about 11.5%.

What is more, two Seattle companies joined the ranks of the US top 100 tech companies to work for.

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Due to its large pool of talents, Seattle stands proudly among the top spots in the Forbes list of the best places for business and careers.

Being a hometown to Amazon and Microsoft, Seattle is a place where tech companies and entrepreneurs can find both top specialists and extensive funding. Meanwhile, talented specialists have multiple options to find a job in one of the Seattle tech startups.

The recent Bloomberg report says that Seattle tech specialists earn 56% more than NYC finance workers. And it’s not surprising, taking into account that in 2019 startup companies in Seattle managed to get $3.59 billion in venture capital.

Now, let’s consider the fastest-growing startups in Seattle.

Top 10 Seattle Tech Startups

  • Legalpad

Legalpad is a startup company in Washington, Seattle. It is a 2018 Techstars graduate that helps clients with work visas.

The target audience of Legalpad is small companies and startups that don’t have enough capacity to fill out complicated forms and get visas for people they want to employ.

The startup simplifies the process of hiring talented specialists from any spot of the Earth. The company undertakes all the difficulties for its clients by using smart technologies and human support to complete forms.

Legalpad has already received $10 million funding round and helped more than 70 companies to hire international specialists.

  • Attunely

Attunely is one of the top Seattle startup companies. The team developed a cloud-based optimization platform for the Accounts Receivable Management industry.

Attunely uses machine learning. It helps to ensure the efficiency of collecting data and compliance with state and federal regulations. Attunely’s platform allows businesses to improve outcomes for creditors, lower risks, and expand access for subprime borrowers.

  • AswerIQ

AnswerIQ is an AI-based service for customer support. The company utilizes algorithms to read and analyze the interactions from past tickets between the customer support specialist and the customer.

The service uses AI chatbots, auto-responses, and submission forms to provide its clients with fast and most relevant solvation to their problem.

  • Core Scientific

Core Scientific is a company that focuses on building infrastructure and software solutions for AI and Blockchain. It helps its clients to create new scalable frameworks.

Core Scientific was founded in 2017 and has already raised $100 million in funding.

  • Remitly

Remitly is a Seattle software company that provides international money transfer services. It was founded in 2011 and has already been named one of the top Seattle tech companies in 2018 and 2019.

Remitly helps its clients to send money abroad more conveniently, securely, faster, and with lower transfer fees.

The company is a trustworthy money transfer provider. Remitly is registered as a Money Services Business with the US Department of the Treasury and licensed as a money transmitter in the US.

top software companies in Seattle
  • Factal

Factal is a company that helps its clients to get verified information about disasters and dangerous events. Therefore, the service lets people make informed decisions built on the information they can trust.

Factal uses advanced technologies and experienced on-duty journalists to provide their clients with real-time information. It is a useful tool for entrepreneurs and organizations to find out the real state of affairs.

  • First Mode

First Mode helps its clients to design and build complex systems their business requires. The company leverages tools and technologies of in-depth space exploration. It delivers mission- and safety-critical solutions in extreme and harsh environments.

First Mode has a team of proficient engineers and builders, who are ready for complex tasks. If you want to build a robot or space vehicle, the team is here to help. The company has no limitations.

  • Outreach

Outreach is a sales engagement platform. It helps clients to boost revenue growth by optimizing every interaction throughout the customer lifecycle.

Outreach is an all-in-one platform for efficient marketing and sales. It also allows for collaboration securely in scale. The service utilizes machine learning to guide reps in making the decisions.

The company was founded in 2013. Today, it partners with such companies as Cloudera, Pandora, Glassdoor, and others.

  • Hyperproof

Hyperproof is a Bellevue-based tech company that helps its clients to prepare for compliance audits, standardize, and manage their compliance operations.

Hyperproof is developing a software that provides teams with a shared, central place to keep all things related to internal and external audits. It makes all the compliance processes more accurate and secure. Founded in 2018, the company has already raised over $3 million in funding.

  • Mystery

Mystery is a service for entertainment that provides a list of activities built on the client’s preferences. The main idea of the Mystery app is to let people live in the present while putting them out of their comfort zone.

The company allows its clients to avoid planning and just deliver themselves up to the app. The beauty of Mystery is that you never know where you are going until you get there.

The service utilizes sophisticated logistics and communicates with users to provide the best experience. Currently, the service is available in Seattle only. But having raised more than $1 million in funding, the team is growing quickly to let more people enjoy the adventures.

The picture shows the top 10 tech startups in Seattle

Now, let’s take a look at the best software development companies in Seattle.

10 Best Software Development Companies in Seattle, WA

  • VAO

Vao is one of the top tech companies in Seattle. It offers full-stack web, mobile, and custom software development.

Vao was founded back in 2004 in Poznan, Poland. Today, it has a large number of clients all over the world. 70% of Vao clients are middle-sized companies.

The primary industries of Vao expertise are media, e-commerce, and business services. The company has a strong focus on cloud solutions, blockchain, and big data.

Vao has a team dedicated to Chatbot development. The Chatbots are used in travel, e-commerce, and tour guides industries.

  • Bilberry

Bilberry is a custom web and app design agency that headquarters in Seattle. The company mainly focuses on custom software development, web design, and web development.

Bilberry’s clients are primarily enterprises, such as Whirlpool, Taco Time, and others.

The company was founded in 2010. Today, it has two offices ⁠— one in Seattle, the US, and one in Kyiv, Ukraine. Bilberry has already partnered with over 100 clients ranging from Fortune 500 companies to early-stage startups.

  • BTown Web

BTown Web has a strong focus on the e-commerce industry. The company helps its clients with such platforms as Shopify, Shopify Plus, WooCommerce, ShipStation, and others.

BTown Web also provides businesses with development, design, marketing, and analytics services. It also assists in consulting and integration for such channels as Amazon, eBay, Walmart, and many others.

BTown Web was founded in 2012. It has an office in Burien, WA.

  • SpdLoad

SpdLoad is a startup studio that focuses on web and mobile software development in various niches of business. The team supports its clients on each step of the development process ⁠— business analysis, prototyping, UI/UX design, development, and QA.

SpdLoad is a Ukrainian company and provides its services worldwide. The team mainly focuses on the IT technology industry, helping the earliest-stage startups with idea validation and development.

In 2023, SpdLoad was named one of the top B2B companies in Ukraine.

  • FlowerPress Creative Studio, LLC

FlowerPress Creative Studio is a female-owned company from Medina, WA. It specializes in a product designing and engineering.

The team’s primary expertise is product design and application platform development. Being founded in 2001, FlowerPress Creative Studio was named a top web design studio in Seattle in 2019.

In 2018, the company was rated as a top mobile app developer in the US.

The company mostly deals with small and middle-sized businesses. However, among FlowerPress partners, there is a sheer number of companies like Lipton Tea, Nike, Disney, Mango Health, and others.

The picture shows the top 10 tech startups in Seattle
  • Black Antelope

Black Antelope is a web interactive design and development IT company in Seattle, WA. The team focuses on custom software development, web development, and design.

The clients of Black Antelope are mostly enterprises. The team expertise lies in developing software for education, non-profit, and media industries.

Black Antelope has a vast experience in such frameworks as Drupal, WordPress, Symfony, CodeIgniter, CakePHP, Zend, Django, Vue, React, and Angular.

They mostly work with PHP, JavaScript, Ruby, Google’s Go (Golang), and Python.

The company was founded in 2009 in the San Francisco Bay Area.

Since then, Black antelope has developed and designed products for such clients as UC Berkeley, Monterey Bay Aquarium, Fujitsu Laboratories Of America, Cloudwords, Youth Villages, MapR, and many others.

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  • Synergy Consulting

Synergy Consulting is one of the top IT companies that helps small and mid-sized businesses to build mobile applications.

The team says that their primary goal is to help startups and middle-sized businesses to develop, launch, and brand their products.

Being founded in 2006, Synergy Consulting has already helped more than 20 companies to turn their ideas into solid digital products.

  • Celebrate Drupal

Celebrate Drupal is a web design and development company from Olympia, WA. The team mostly works with middle-sized corporate clients and government organizations.

As the name of the company implies, the leading framework it uses is Drupal. Celebrate Drupal is an Acquia Certified Partner and can provide its clients with a seamless Cloud Hosted Drupal website.

Celebrate Drupal was founded in 2009, and in 2017 Clutch named it one of the top web design companies in Seattle.

  • Tecla

Tecla is a Seattle-based staff augmentation and recruiting company. It has offices in Seattle, Washington and South America.

Tecla is a team of entrepreneurs and engineers whose goal is to connect tech companies with talented specialists throughout Canada, the US, and Latin America.

Tecla partners with companies that are looking for remote specialists to join the in-house teams. Today, it has more than 100 clients and continues to develop a network of top engineers.

Tecla works both with startups and enterprises, like BMW, Roche, Miller, and so on.

  • Surge Software

Surge Software is one of the top Bellevue tech companies that provides custom web, mobile, cloud, digital, and desktop software development. The team is also consulting startups and mature companies.

The company uses agile methodology and the best North American specialists to deliver software products, apps, and solutions.

Surge Software was listed among the fastest growing tech companies in the US for 6 years in a row. The company’s key clients are Verizon, UnderArmor, L’Oreal, Ralph Lauren, and so on.

The picture shows the top 10 startups in Seattle

Ready to Build Your Custom Product?

Seattle is home to some of the most innovative software companies. Their talented teams, tech expertise, and proven track records set them apart.

If you need a partner to bring your digital vision to life, Seattle offers exceptional options across web, mobile, UX, and beyond.

Ready to scale your software idea? Let’s connect.

With the right technology partner in this thriving hub, your vision can become an accessible reality.

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