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.
Chop Dawg
VerifiedVerified by the DesignRush team for authenticity and credibility.AI LeaderRecognized for strong visibility across AI-powered search and answer engines.+1Award WinnerRecipient of a Best Design Award for outstanding work.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
- 52 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsChop Dawg Services
Data sourced from the agency's DesignRush profileAlpha 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
Chop Dawg Reviews & Testimonials
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.
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.
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 ReviewsDigital 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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsExo Agency Services
Data sourced from the agency's DesignRush profileNameSilo American Academy of CPR & First Aid, Inc. EnGarde® Body Armor COMRAD Pinnacle Foundation Repair Off Leash K9 Trainers Creative Tax Solutions Gargle Water® Rifle Supply Brilliant or BS?
Exo Agency Reviews & Testimonials
Google Ads Review from Birch Medical
ExoAgency did an excellent job helping with our Pay per clicks and Google AdWords management . They are efficient, effective and very aware of the market competition. They played a major role in helping lead our organization to success.,
Web Development Review from Software Developer
We engaged Exo Agency to provide us with SEO, social media marketing, and web development services. Exo Agency has been instrumental in helping our IT company create SEO-friendly websites, meet all of our customer demands, and improve organic rank. Its teamwork and time management have been exceptional, enabling us to consistently deliver high-quality results efficiently. We admire our partner's unbeatable transparency, dedication, and expertise. (Source: 3rd Party Review Platform)
Web Design Review from Eric Olson
I have been working with Exo Agency for almost a year now, I am very pleased at the website we had designed and the services we use regularly! I would recommend talking with Randy if you need web development, advertising (espeically google) or SEO.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsDesign. 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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsDEV.co Services
Data sourced from the agency's DesignRush profilePepsi Emoov Monumetric Groupon Salesforce Staples NightCap Taser.com BuyQBall.com GetShowing.com
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsStrive Enterprise Services
Data sourced from the agency's DesignRush profileGold Medal Service Jamms Restaurant Addiction Sticks OA Wild Game IUSI Immigration Services Gema Henao Hair Studio Ari Perez Beauty Studio Harmony Turbines Andreas Bridal Alterations
Strive Enterprise Reviews & Testimonials
RockERO y corvichERO's Review Sourced from Google
I’ve been researching and looking at their past work, they’re truly professional. Even though they’re pricey, I value them highly.
David Galvez's Review Sourced from Google
I had a very informative meeting with Cesar. He was very professional and provided a lot of details on their services. I will be including them in my marketing process.
Brandon Howard (Sin City Parties)'s Review Sourced from Google
Ana, Jose, or Cesar are the best! They totally transformed my business website. I trust them completely and the results are incredible. Our website has never looked better. If you ever need help with anything, they’re your guys. They’re quick and responsive, and they’ll get you the answers and website you need. I would recommend them to everyone.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsBUILD & DEFEND.
nsite.tech is a Bellingham-area web design, application development, and cybersecurity company serving Whatcom County, WA Bellingham, Ferndale, Lynden, Blaine, and Fairhaven. Custom websites you own, business software, and Google-certified security...
Top Services:
- Digital Services
- Web Design
- CRM Consulting
- IT Compliance Solution
- Engineering
- Show more
- Location
- Everson, Washington
- Number of Employees
- Under 49
- Average Hourly Rate
- $350/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsnsite.tech Services
Data sourced from the agency's DesignRush profileCredo Construction Zion Builders MicroSoft EA Quantum Lighting Nugents Market
nsite.tech Reviews & Testimonials
cameron's Review Sourced from Google
Finding a truly skilled app developer Bellingham can be incredibly difficult, but the team at nsite.tech completely shattered our expectations. We needed a complex platform built that required flawless functionality on both iOS and Android, and they delivered exactly what we were looking for.What sets them apart from other tech agencies is their deep understanding of app optimization, API integrations, and user experience. They didn't just write clean code; they took the time to understand our business goals to ensure our app would scale smoothly as our user base grows.If you are a business owner or startup founder looking for an experienced, reliable, and highly communicative app developer in Bellingham, look no further than nsite.tech. They make the development process painless and deliver a premium end product. Highly recommended!
kevin taff's Review Sourced from Google
I cannot say enough good things about the team at nsite.tech. When we first started looking for a Bellingham web designer, we didn't realize how much we also needed a true technical partner who understood the backend architecture of software. They didn't just build us a pretty website—they essentially acted as our custom app developer in Bellingham, creating a completely tailored customer portal that seamlessly syncs with our inventory.The launch was incredibly smooth, our page loading speeds have drastically improved, and our local search visibility is already climbing. They are responsive, highly skilled, and transparent about costs. If you need a premium digital presence, this is the team you hire.
Riley Kennemer's Review Sourced from Google
If you need a platform built smoothly, professionally and correctly, you give these guys a call. Bottomline is they do great work in a timely fashion. Highly recommend.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsResponsive and Beautiful Drupal Websites
We are a compact yet dedicated team of web designers and developers, specializing in tailored design, programming, and Drupal website development. Our focus is on crafting high-quality, aesthetically pleasing Drupal websites that empower our clients. We specialize in constructing well-structured websites that...
Top Services:
- Web Development
- Web Design
- Graphic Design
- eCommerce Development
- Branding
- Show more
- Location
- Battle Ground, Washington
- Number of Employees
- Under 49
- Average Hourly Rate
- $120/hr
- Minimal Budget
- $1,000 - $10,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsWheelercreek Studio Services
Data sourced from the agency's DesignRush profileUnited States Lighthouse Society Quality Matters Xerces Society Oregon Wild Willamette View
Private AI Built for Enterprise Customized for You
Most companies want the power of AI without handing their data to someone else. That's where we come in. At LLM.co, we build private language models that run on your own server or private cloud, trained on your knowledge base and shaped around how your team actually works. Think AI assistants, smart document...
Top Services:
- AI Development
- Mobile App Development
- Software Development
- UI/UX Design
- ERP Consulting
- Show more
- Location
- Seattle, Washington
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsLLM.co Services
Data sourced from the agency's DesignRush profileOriqle ERP.io Law.co
Mobile App Development Companies in Washington by City
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