Find the top mobile app development companies in Washington that create high-performing and user-friendly apps to help businesses drive conversions. Use our practical tool to filter them by cost, team size and client reviews.

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

United States × Washington × Health Care × Sort by: Top Rated ×Clear Filters
  • Modern IT. Built Secure. Delivered Right.

    Zazz uses an architecture-first, risk-aware, and outcome-driven development approach to produce 800+ cross-platform and native applications and accelerate time-to-value by 40%. Its services cover app development, design, audit, testing, modernization, and maintenance...

    Top Services:

    • Mobile App Development
    • IT Services
    • Software Development
    • Staff Augmentation
    • IT Compliance Solution
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    250 - 499
    Average Hourly Rate
    $45/hr
    Portfolios Count
    36 Projects Listed
  • Chop Dawg

    VerifiedVerified by the DesignRush team for authenticity and credibility.AI LeaderRecognized for strong visibility across AI-powered search and answer engines.

    Meet The Partner Behind Your App's Success | Make It App'n!

    Meet your award-winning app development team, dedicated to turning your vision into scalable and profitable digital apps and software...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    54 Projects Listed

    Chop Dawg Services

    • Mobile App Development
    • Software Development
    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • UI/UX Design
    • Software Testing
    • Wearables
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Alpha Paw
    • Big Brothers Big Sisters
    • Choice Home Warranty
    • City of Peachtree Corners, Georgia
    • City of Philadelphia, Pennsylvania
    • City of Springboro, Ohio
    • CRBO
    • FlynnO'Hara
    • Hilton
    • Innovative
    Data sourced from the agency's DesignRush profile

    Chop Dawg Reviews & Testimonials

    • Jimmy Caldwell
      Jimmy Caldwell COO at BedMatch Pro
      4.8★

      Web Development Review from Jimmy Caldwell

      Chop Dawg was the strongest development team I’ve worked with in 18 years of software implementation. They took our complex AI-powered senior placement platform and turned it into a functional marketplace with dashboards, business rules, CRM integration, and an AI assistant. The team listened, adapted, communicated often, and treated our vision with real care. The handoff had a few gaps, but overall, they delivered exceptional work.

    • Nathan May
      Nathan May Founder at Undisclosed
      4.7★

      Design Services Review from Nathan May

      Chop Dawg delivered wireframes, high-fidelity screens, a logo, and Figma files while keeping each week’s work clear. They felt like part of our team, brought fresh ideas, and pushed back when needed. The experience was strong overall, though a more detailed final review would have been helpful.

    • Anonymous
      Anonymous Founder & CEO at Arts, Entertainment, & Music Company
      5.0★

      Web Design Review from Anonymous

      Chop Dawg turned our early idea for a visual polling and decision-making platform into a prototype we could confidently share with others. It made the product much easier to explain, gave us something real to test with users, and supported more productive investor conversations. The work also helped our team get aligned on the product direction, development scope, and MVP roadmap. Their team was responsive, organized, and easy to work with throughout the process.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Digital Marketing Agency In Seattle

    Our vision is to see businesses of all sizes reach their full potential by using modern marketing strategies and that are proven to help scale businesses either in size, reach, revenue, or all three...

    Top Services:

    • SEO
    • PPC
    • Digital Marketing
    • Web Design
    • Web Development
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
  • High Voltage Code Since 2010

    ELEK+RIK: Web App Development, Mobile App Development for iOS & Android, AI Integration & Development Experts for Long-Term US Projects since 2010...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • Blockchain
    • VR/AR
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    18 Projects Listed
  • eSEOspace

    VerifiedVerified by the DesignRush team for authenticity and credibility.Award WinnerRecipient of a Best Design Award for outstanding work.

    Custom Website Design Company. Local US-based team! We Preserve & Optimize your SEO in the Process

    Services We Offer: Software, Web Applications. We have 15+ years of experience designing and developing websites and software from scratch. Our background and emphasis in behavior science allows us to creatively design websites and software systems to convert. Call us at: (916) 866-7893 for a quote!...

    Top Services:

    • Web Design
    • Web Development
    • WordPress Website Design
    • eCommerce Development
    • SEO
    • Show more
    Location
    Vancouver, Washington
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    32 Projects Listed

    eSEOspace Services

    • Web Design
    • Web Development
    • WordPress Website Design
    • eCommerce Development
    • SEO
    • Graphic Design
    • Mobile App Development
    • CRM Consulting
    • Software Testing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Executive Partners
    • Atlantic Partners Corp
    • Canyon Plastics
    • J Allen Fabrics
    • onePRgroup
    • The Sleep Nest
    • EdgeCTP
    • Consultants in Corporate Innovation
    • CalMuni Advisors
    • Avitasen
    Data sourced from the agency's DesignRush profile

    eSEOspace Reviews & Testimonials

    • Muriell Carlisle, LMHC, RAS, C.H.T.
      Muriell Carlisle, LMHC, RAS, C.H.T. Owner at Counseling Oregon, LLC
      5.0★

      Web Design Review from Muriell Carlisle, LMHC, RAS, C.H.T.

      I just want to express my deepest gratitude for all of your help. I can't tell you enough how much I LOVE the website. I think it's so beautiful, professional and elegant. I think it's one of the best therapist's website[s] on the market. :) Thanks to Jeanette and [the] rest of the team for their creativity and neat work and Irina for her incredible knowledge about SEO and resources! You guys rock! (Verified via email)

    • Alyssa Brenke
      Alyssa Brenke Marketing Manager at Cole Industrial, Inc.
      4.8★

      Web Design Review from Alyssa Brenke

      Specifically, working with Ben was amazing! He was incredibly responsive and answered all my questions throughout the process of updating our website. Our original site was built roughly a decade ago (or longer) so we were in need of some streamlining and modernization. The team did just that and quickly! The first iteration was spot on for what we were looking for. Not to mention, they were able to launch quickly and without any interruption to our daily operations. Would 100% recommend [it]!

    • George Shvaya CEO at Pocket Deals
      5.0★

      Web Design Review from George Shvaya

      Irina and Ben from [eSEOspace] were a dream to work with! Not only did they turn[...]around work quickly, but their attention to detail is fantastic, as is their regular communication. I will definitely be reaching out to [eSEOspace] again in the future with more work! (Verified via email)

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • AI-Native, Business-Ready Development Services. Engineered to Scale

    At Mobcoder AI, certified engineers and data scientists help you identify high-ROI AI use cases and operationalize them at scale. With 150+ deployments, CMMI Level 3 certification and 12+ years of experience, we build AI solutions governed by design and model-agnostic frameworks...

    Top Services:

    • Mobile App Development
    • AI Development
    • Software Development
    • Web Development
    • VR/AR
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    100 - 249
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    14 Projects Listed
  • Powerful Tech Products Start-to-End

    Proud 2024 Webby Award winner in the Responsible AI category and winner of the European Technology Awards for App Development in 2021...

    Top Services:

    • Mobile App Development
    • Web Development
    • Software Development
    • Web Design
    • IoT
    • Show more
    Location
    Kirkland, Washington
    Number of Employees
    50 - 99
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    68 Projects Listed
  • Seeking Expert Digital Product Designers? Let's Connect! | Clutch Award Recipient 2024

    User-centric Digital Product and UI/UX Design Agency:As a result-driven design agency, we specialize in designing digital products that seamlessly integrate with your strategic business objectives. Lets transform your vision into a pixel-perfect reality!...

    Top Services:

    • Product Design
    • Web Design
    • UI/UX Design
    • Design Services
    • Branding
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Portfolios Count
    16 Projects Listed
  • We Make the Impossible Case Possible.

    Matellio is a leading software engineering studio, recognized globally for delivering intelligent solutions powered by Artificial Intelligence and Machine Learning. We specialize in developing customized AI solutions tailored to various needs of businesses under different industry verticals...

    Top Services:

    • AI Development
    • IoT
    • DevOps Consulting
    • Cloud Consulting
    • Mobile App Development
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    26 Projects Listed
  • Driving Digital Impact, Powered by Motivational UX.

    Smashing Ideas, founded in 1996, is a Seattle-based design and innovation agency partnering with Global 500 companies. With expertise in smart products and digital experiences, their unique Motivational UX process accelerates transformation and enhances user engagement...

    Top Services:

    • Software Development
    • Product Design
    • UI/UX Design
    • Big Data Analytics
    • Cloud Consulting
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    50 - 99
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    1 Project Listed
  • Accelone Advancing What's Possible

    Embark on your digital transformation journey with AccelOne's Software Development delivery model, strategically designed for optimal outcomes. Initiate your digital transformation seamlessly through our comprehensive nearshore and US-based services...

    Top Services:

    • Software Development
    • Mobile App Development
    • Blockchain
    • UI/UX Design
    • eCommerce Development
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    100 - 249
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    5 Projects Listed
  • GLOBAL TECH PARTNER FOR DIGITAL TRANSFORMATION AND SOFTWARE INNOVATION

    Jelvix is a global tech partner with 15+ years of experience, empowering industry leaders and startups. With 450+ IT experts, we drive digital transformation across Europe, North America, Nordics, and Southeast Asia...

    Top Services:

    • Software Development
    • Mobile App Development
    • VR/AR
    • AI Development
    • IoT
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    500 - 999
    Average Hourly Rate
    $70/hr
    Portfolios Count
    10 Projects Listed
  • Nettyfy Global Digital Solutions, Tailored for Your Growth.

    Website, Mobile App and Custom Ecommerce Website Development Company in USAShowcase your Business in Digital Market with leading Website, Mobile App, Custom Ecommerce Development and Internet Marketing Company for more traffic, leads & sales...

    Top Services:

    • eCommerce Development
    • UI/UX Design
    • Web Development
    • Mobile App Development
    • Digital Marketing
    • Show more
    Location
    Redmond, Washington
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
  • Build a team you can rely on!

    Development services delivered with a personal approach...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    Location
    Seattle, Washington
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Portfolios Count
    3 Projects Listed
  • Lets Grow Online

    Strive Enterprise is the ultimate solution for impactful web design, custom digital marketing solutions, and professional SEO services...

    Top Services:

    • Web Design
    • SEO
    • Digital Marketing
    • Web Development
    • WordPress Website Design
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    10 Projects Listed
  • Delivering World-Class Software at Startup Speed

    Waker is a software and UX design company that empowers businesses of all sizes to deliver cutting-edge solutions. The agency offers comprehensive software support and maintenance services, ensuring sustained growth and client success. Waker strategizes and implements digital products that resonate with its...

    Top Services:

    • Web Development
    • Software Development
    • Mobile App Development
    • UI/UX Design
    • Product Design
    • Show more
    Location
    Vancouver, Washington
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $1,000 - $10,000
  • Focused on Time and Quality.

    At our core, we specialize in planning, designing, and developing bespoke mobile and web products that drive measurable business outcomes. Our team is well-versed in all aspects of the software development process, from strategic planning and innovative user-experience design to development, pre-launch...

    Top Services:

    • UI/UX Design
    • Mobile App Development
    • Web Development
    • Software Development
    • Web Design
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $10,000 - $25,000
  • Insights, for better experiences.

    Flower Press Interactive designs and builds websites, apps, and platforms. We take early ideas and bring them into a user-validated, production-ready state. From marketing websites to internal systems, we turn complex problems into products worth building...

    Top Services:

    • Web Design
    • UI/UX Design
    • Web Development
    • Software Development
    • Mobile App Development
    • Show more
    Location
    Medina, Washington
    Number of Employees
    Under 49
    Average Hourly Rate
    $165/hr
    Minimal Budget
    $10,000 - $25,000
  • Humanizing technology through inclusive design.

    Hello! My name is UX designer with a desire to create social change. With a drive to provide usability solutions to complex applications, I want to focus on creating opportunities and awareness to marginalized communities...

    Location
    Seattle, Washington
    Number of Employees
    Under 49
  • See Beyond, Rise Above.

    Persistent Systems, a renowned global leader in software product development and technology services. Delve into our innovative offerings to stay ahead in the ever-evolving landscape of technology...

    Top Services:

    • AI Development
    • Software Development
    • Web Development
    • Mobile App Development
    • Blockchain
    • Show more
    Location
    Bellevue, Washington
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $50,000 & Up
  • Software Application Masters.

    Sam's Solution is a dynamic software company specializing in custom software, web and mobile app development, IT consulting, and digital transformation. We deliver innovative, tailored tech solutions that help businesses streamline operations, boost efficiency, and achieve their strategic goals...

    Top Services:

    • Mobile App Development
    • Web Development
    • AI Development
    • Digital Marketing
    • eCommerce Development
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Portfolios Count
    8 Projects Listed
  • Seasoned Senior Developers Specialized In Kubernetes And Cloud Solutions

    At Pelotech, we're a team of seasoned senior developers specialised in Kubernetes and cloud solutions. We partner with companies, from Fortune 500 giants to mid-sized businesses, to solve complex challenges in cloud migration, integrations, application development and modernisation initiatives...

    Top Services:

    • Software Development
    • Cloud Consulting
    • Mobile App Development
    • Managed Services
    • DevOps Consulting
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $10,000 - $25,000
  • Custom Software That Works In The Real World

    SoftDoes is a Kansas City custom software and AI development company that designs and builds web platforms, mobile apps, MVPs and AI automation. Written scope and price before code, 100% IP ownership, rated 5.0 on Clutch...

    Top Services:

    • Software Development
    • AI Development
    • Mobile App Development
    • Web Development
    • UI/UX Design
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    50 - 99
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    10 Projects Listed
  • Design. Develop. Deploy.

    DEV.co builds custom software, web and mobile applications, SaaS platforms, and AI systems for companies that have outgrown the tools they can buy. Senior US engineers, a fixed scope and price agreed before the first commit, and a codebase that belongs to you on day one...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • AI Development
    • Web Design
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    250 - 499
    Minimal Budget
    $1,000 - $10,000

Mobile App Development Companies in Washington by City

Related Services in Washington

Mobile App Development Specializations in Washington

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