Top Full Stack Development Companies in Seattle

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Web Application Full Stack Development United States Seattle

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Discover top-tier Full Stack Development companies and consultants in Seattle, ready to bring your digital projects to life. Our curated list showcases vetted experts in end-to-end web and application development. Explore each company's portfolio and client reviews to make an informed choice. Whether you need a robust web application, a scalable mobile app, or a complex enterprise solution, you'll find specialists to elevate your digital presence. Sortlist allows you to post your project requirements, enabling Seattle's finest Full Stack Development professionals to reach out with tailored proposals that match your specific needs and goals.

Top Featured Full Stack Development Companies

Halo Lab
5
(7 reviews)
Transforming your product idea into reality through custom design-driven development.
Highly recommended
Top awarded
Halo Lab is an award-winning custom web app design and development company ⭐ Our team offers reliable, customized, and user-friendly solutions for your business. We transform your product ideas into reality with our expert, design-driven development approach. Let us bring your vision to life with our innovative and tailored services. WE ARE YOUR PARTNER IN: ✅ Enhancing user experiences with UI/UX design. ✅ Building your brand identity. ✅ Growing your online presence with website development. ✅ Creating smooth digital experiences with full-cycle web app development. ✅ Ensuring top-notch quality with QA. ✅ Boosting growth and visibility with SEO & marketing support. Let’s create your star with us.
Looking for work in Full Stack Development
Located in Burlingame, United States (+5)
From €5,000 for Full Stack Development
Worked in Others (+18)
Speaks English, Arabic(+3)
51-200 members
Brights
5
(5 reviews)
Bright people building bright software | Custom Software Development Agency
Recommended
Top awarded
Brights is a software development company with 100+ bright minds building products for businesses of all sizes, from emerging startups and small companies to large enterprises, including those from Fortune 500. Since 2011, we’ve launched 300+ projects in 15 countries, received 24 awards and recognitions, achieved 100% job success on Upwork, and got ISO/IEC 27001:2013 certification. For a glimpse of our achievements, check out the portfolio section. Our core outsourcing services include: Custom web development Native, hybrid, and cross-platform mobile development MVP development UI/UX design Data analytics Cloud and DevOps services AI and Machine Learning As strategic thinkers who prioritize our clients' overall business success, we prefer the role of co-creators over technical vendors. Our team knows how to achieve compelling business results through tech solutions. We also focus primarily on long-term partnerships to build products that thrive in the long run, which is why our average client relationship lasts 3+ years. If our expertise matches your business needs — reach out to start your development journey 🚀
1 work in Full Stack Development
Located in Warsaw, Poland (+1)
From €1,000 for Full Stack Development
Worked in Insurance (+18)
Speaks English, Ukrainian
51-200 members
Dot Com Development
5
(9 reviews)
On Time ... On Budget ... Solutions Exceeding Expectation
Recommended
Top awarded
Dot Com Development is a 🤝trusted🤝 and 🏆awarded🏆design and development technology company providing custom solutions for companies of all sizes and industries. We provide end to end application planning, design, development, testing and support services with expertise in the latest cutting edge, high performing, and future proof technologies. We’ll get your digital product to market 30% faster than our competitors, improve development costs by up to 40% and create user experiences that get 5x-10x more user engagement. Our services include: ✅ Strategic Planning and Consulting ✅ UX/UI Design ✅ Prototyping and POC's ✅ Web Application Development ✅ Website Design and Development ✅ Mobile Application Development ✅ Artificial Intelligence Development ✅ eCommerce Development ✅ API Development and Integration ✅ Data and Analytics ✅ Cloud Development ✅ CRM / ERP Development ✅ DevOps / Cloud Services ✅ Support and Maintenance
Looking for work in Full Stack Development
Located in Scottsdale, United States
From €5,000 for Full Stack Development
Worked in Industrial Goods & Services (+11)
Speaks English
11-50 members
Solid Digital
4.9
(11 reviews)
Software development specialist in software + apps
Je wilt je bedrijfsproces vereenvoudigen of je hebt een innovatief idee waarvoor een webapplicatie of app nodig is. Dan zit je niet te wachten op een lang ingewikkeld traject; Solid Digital heeft een duidelijke werkwijze en aanpak die past in jouw planning en budget. Wij geloven dat je niet overal verstand van kan hebben, daarom doen wij niks anders dan de ontwikkeling van (SaaS) software, webapplicaties, Native apps, Progressieve Web Application (PWA) en API koppelingen. Door deze focus kunnen wij ons specialiseren; wat betekent kwalitatieve kosteneffectieve applicaties die met de praktijk zijn afgestemd. == You want to streamline your business process or you have an innovative idea that requires a web application or app. Then you are not waiting for a long complicated process; Solid Digital has a clear working method and approach that fits into your planning and budget. We believe in specialisation, that is why we do nothing but developing (SaaS) software, web applications, Native apps, Progressive Web Application (PWA) and API connections. This focus allows us to specialize; which means high-quality cost-effective applications that are aligned with practice.
Looking for work in Full Stack Development
Located in Hilversum, Netherlands
From €1,000 for Full Stack Development
Worked in Software & Computer Services (+11)
Speaks Dutch, Dutch, Belgium(+1)
1-10 members

All Full Stack Development Consultants in Seattle

Inwizards
(0 review)
Inwizards: Leading Software Development Company
Inwizards Software Technology is a leading US-based software development company that assists businesses to adopt digital transformation and acquire immense success. We specialize in offering a wide range of services, including IT consulting, Custom Software Development, Digital Marketing, SEO, Product Development, Mobile App Development and many more. We aim to deliver the finest on the table infused with innovative technologies. Our presence for more than one and a half-decade with a vast network and expertise is what sets us apart as a website and application development company. Our veteran team of experts handpick software solutions and ensure a long-term competitive edge. Inwizards offer a number of clientele software technologies from WordPress, Flutter, IOT, AngularJs, Blazor Development, Blockchain, PHP, Full Stack Development, ReactJs, NodeJs, Web Development, E-commerce Web Development, Android App Development, iOS App Development, Xamarin Development, etc.
Looking for work in Full Stack Development
Unknown location
Budget on request
Worked in Music (+7)
Speaks English
51-200 members
Halo Lab
5
(7 reviews)
Transforming your product idea into reality through custom design-driven development.
Highly recommended
Top awarded
Halo Lab is an award-winning custom web app design and development company ⭐ Our team offers reliable, customized, and user-friendly solutions for your business. We transform your product ideas into reality with our expert, design-driven development approach. Let us bring your vision to life with our innovative and tailored services. WE ARE YOUR PARTNER IN: ✅ Enhancing user experiences with UI/UX design. ✅ Building your brand identity. ✅ Growing your online presence with website development. ✅ Creating smooth digital experiences with full-cycle web app development. ✅ Ensuring top-notch quality with QA. ✅ Boosting growth and visibility with SEO & marketing support. Let’s create your star with us.
Looking for work in Full Stack Development
Located in Burlingame, United States (+5)
From €5,000 for Full Stack Development
Worked in Human Resources (+18)
Speaks English, Arabic(+3)
51-200 members
Dot Com Development
5
(9 reviews)
On Time ... On Budget ... Solutions Exceeding Expectation
Recommended
Top awarded
Dot Com Development is a 🤝trusted🤝 and 🏆awarded🏆design and development technology company providing custom solutions for companies of all sizes and industries. We provide end to end application planning, design, development, testing and support services with expertise in the latest cutting edge, high performing, and future proof technologies. We’ll get your digital product to market 30% faster than our competitors, improve development costs by up to 40% and create user experiences that get 5x-10x more user engagement. Our services include: ✅ Strategic Planning and Consulting ✅ UX/UI Design ✅ Prototyping and POC's ✅ Web Application Development ✅ Website Design and Development ✅ Mobile Application Development ✅ Artificial Intelligence Development ✅ eCommerce Development ✅ API Development and Integration ✅ Data and Analytics ✅ Cloud Development ✅ CRM / ERP Development ✅ DevOps / Cloud Services ✅ Support and Maintenance
Looking for work in Full Stack Development
Located in Scottsdale, United States
From €5,000 for Full Stack Development
Worked in Industrial Goods & Services (+11)
Speaks English
11-50 members
Scopic Software & Scopic Studios (Marketing Agency)
5
(4 reviews)
🚀 Your Cost-effective, Cross-continental, Digital Innovation Partner
Top awarded
Unlock the full potential of your business with Scopic and Scopic Studios — sister companies combining the power of innovative software development with strategic digital marketing. Scopic delivers cutting-edge custom solutions across web, mobile, desktop, and cross-platform technologies. Together with our digital marketing division, Scopic Studios, we offer a unique end-to-end approach: from ideation and development to growth-focused promotion and lead generation. With over 1,000 products launched and deep specialization in B2B, SaaS, healthcare, and technology brands — and more, we cover the full product lifecycle helping you scale smarter , faster , and profitably . From launching new digital products to scaling established brands, our mission is simple: maximize your return on investment by building exceptional solutions and ensuring they reach, convert, and retain the right audience. Why Work With Us: ✔ Over 1,000 Digital Products Built – Proven experience across industries and platforms ✔ Custom Software Solutions – Tailored development with AI, cloud, and cross-platform expertise ✔ Full-Funnel Marketing Strategies – SEO, Google Ads, Social Media, Content Marketing, and Lead Generation ✔ Creative Design Services – Engaging, user-centered design that drives impact ✔ From Code to Conversion – We don’t just build, we market, grow, and scale your product Certified and Trusted Across Platforms: 🚀 Google Certified Partner 🚀 HubSpot Certified Specialists 🚀 Semrush Certified Experts 🚀 AWS Advanced Tier Partner 🚀 Google Cloud Partner Our international team holds recognized certifications from industry-leading platforms and partners, ensuring your campaigns, products, and digital presence are managed with cutting-edge expertise and global best practices. Our Origin Story: Scopic Studios began as an in-house service within Scopic Software, supporting the launch and growth of hundreds of digital products. As our marketing expertise expanded, we evolved into a standalone brand — now working side by side with Scopic as a sister company, providing full-service digital marketing while staying deeply integrated with the software world. Together, we cover the complete product lifecycle: from strategy, design, and development to market outreach, user acquisition, and brand visibility. 📍 Find us on Clutch: With more than 40+ 5-star reviews ⭐⭐⭐⭐⭐ on https://clutch.co/profile/scopic-software 🌍 Explore our marketing division: https://scopicstudios.com Find us on Guru: 100% positive feedback 🌟 on https://www.guru.com/freelancers/scopic-software We offer free consultations/audits and estimates so feel free to reach out and we'll connect you to an expert!
Looking for work in Full Stack Development
Located in Boston, United States (+1)
From €1,000 for Full Stack Development
Worked in E-commerce (+11)
Speaks English, Arabic(+3)
201-500 members
iRonin - Software House
4.8
(6 reviews)
At iRonin, we convert IT headaches into success stories!
iRonin.IT is a custom software development company specializing in building scalable, robust solutions for businesses worldwide. With over 15 years of experience, we provide full-cycle services, from design to deployment, working with technologies like Ruby, Python, JavaScript, and more. Trusted by global brands such as Mercedes-Benz, Acima, and CreditSpring, our team of senior developers delivers high-quality projects efficiently under the LEAN methodology. We focus on long-term partnerships and tailored solutions that drive business growth. Please check our reviews at http://clutch.co/profile/ironinit
Looking for work in Full Stack Development
Located in Lehi, United States (+3)
From €1,000 for Full Stack Development
Worked in Energy & Oil (+6)
Speaks English, German(+1)
51-200 members
Probey Services
4.9
(127 reviews)
Building Websites, Generate Leads!
Highly recommended
Top awarded
Probey Services is a premier technology and digital marketing company, providing cutting-edge solutions across the USA, UK, Australia, UAE, and India. Established in 2016, we have grown into a full-service provider with a team of 250+ skilled professionals, delivering tailored strategies that empower businesses in an evolving digital landscape. Our Expertise Probey Services has a strong foundation in technology, design, and marketing, we offer a comprehensive suite of services, including: Website Design & Website Development, e-commerce websites, Shopify, WordPress Website, redesign , and business websites. Software Development & IT Services Scalable software solutions, IT consulting, and enterprise technology. Mobile App Development Native and cross-platform apps for iOS & Android Apps. Digital Marketing & Performance Marketing SEO, SEM, PPC, social media marketing , and data-driven performance campaigns. Branding & Brand Building Strategic brand identity development and market positioning. Graphic Design, Logo Design & Online Reputation Management (ORM) Engaging visuals and reputation management to enhance brand trust. Why Choose Probey Services? Comprehensive Solutions: From technology development to digital marketing, we provide a 360-degree approach to business growth. Client-Centric Approach: We focus on collaboration, innovation, and transparency, ensuring solutions align with business objectives. Proven Industry Expertise: With 10 years of experience across diverse industries, we deliver measurable results and long-term success. Global Presence: Serving businesses across major international markets with customized solutions in mutiple industries. At Probey Services, we go beyond delivering services, we work as an extended team, with an ecosystems that drive business growth, enhance customer engagement, and maximize ROI. Our commitment to excellence and innovation makes us the trusted partner in your digital journey. Awards & Recognitions: Excellence in Digital Transformation (2023) Top Emerging Web Development Firm (2022) Best Digital Marketing Strategy (2023) Android App Development Company - Designrush (2024) Let’s Grow Together! Contact us today to discover how Probey can transform your digital presence. 📞 +1 20299 57212 | +44 75371 88459 | +91 97739 01990 | +91 120 313 2126 ✉️ service@probeyservices.com 🌐 www.probeyservices.com
Looking for work in Full Stack Development
Located in New York, United States (+4)
From €100 for Full Stack Development
Worked in Clothing & Accessories (+16)
Speaks English, Dutch, Belgium(+5)
501-1000 members
Pixel Studios Inc
4.8
(7 reviews)
Redefining Marketing In The Digital Age
Highly recommended
As an award-winning creative studio, we’re committed to providing a full range of internet marketing services. Our targeted, bespoke approach and cutting-edge solutions place our clients at the top.
Looking for work in Full Stack Development
Located in New York, United States
From €499 for Full Stack Development
Worked in Hospitals & Healthcare
Speaks English
201-500 members
Uran Company✅
5
(1 review)
Custom software, app and web development company. ✉ - info@urancompany.com🌎
Top awarded
Our mission is to convert ideas into powerful software solutions and improving the online presence of our clients' ventures to achieve their business goals with digital transformation. For 18 years, we deliver solutions for our clients from a number of industries, as Retail and Wholesale, Automotive, Heavy machinery plants, Travel, Sport, Restaurants, Entertainment, Social. With a comprehensive approach, our team is creating and delivering Corporate Portals, Online Stores, Social Networks, Live Streaming & Video Conferencing solutions, Alexa Skills, Smart Assistants, Chatbots, Single Page Applications, Progressive Web Apps. Our expertise: Ecommerce Development - Shopify, Magento & WooCommerce; Video Conferencing Software - WebRTC streaming solutions; Bots and Smart Assistants; Progressive Web AMPs and more.
2 works in Full Stack Development
Unknown location
From €3,000 for Full Stack Development
Worked in Hospitals & Healthcare (+5)
Speaks English, Bulgarian
51-200 members
Fictive Studios
(0 review)
Fictive Studios - Apps, Web & Marketing Agency
At Fictive Studios, we are proud to have partnered with over 2000 businesses, ranging from startups to enterprises, to provide industry-leading mobile app development solutions tailored to their unique business needs. Every business is different, and we are passionate about helping our clients achieve their goals through our extensive range of app development services.
Looking for work in Full Stack Development
Located in Austin, United States
From €1,000 for Full Stack Development
Works in multiple industries
Speaks English
51-200 members
Brightscout
(0 review)
Transforming the World's Most Innovative Companies with Uniquely Crafted Brands and Standout Apps.
Top awarded
Brightscout is a global B2B branding and app development studio built from the best talent in the world. We strive to transform the world’s most innovative businesses through a powerful mix of exquisite design, development, and strategy solutions. We partner with leaders and entrepreneurs at critical inflection points to help them better connect and engage with their customers. Together we build brands, products, and all the digital experiences in between to support growth in competitive markets.
Looking for work in Full Stack Development
Located in Austin, United States
From €25,000 for Full Stack Development
Worked in Software & Computer Services
Speaks English
51-200 members
EltexSoft
5
(2 reviews)
Ideas to Life
EltexSoft is a digital product consulting company, focused on design and engineering of web & mobile apps. Our clients earned over $100M in ROI over the course of 5 years, making EltexSoft one of the most reliable and trustworthy Ukrainian IT companies on the market.
Looking for work in Full Stack Development
Unknown location
From €10,000 for Full Stack Development
Worked in Food (+4)
Speaks English
11-50 members
WebOrigo
5
(5 reviews)
Comprehensive software development from planning to maintenance.
We are an international software development company that develops solutions in 4 different segments of cloud automation and has sales partners or subsidiaries in 12 countries in Europe. We use a wide variety of technologies to accommodate our customers' business needs, and we have a worldwide team of experts in each technology and every field to ensure the highest standard of possible services. What we mainly propose to our customers through our wide variety of services, is a strong solid standing in the digital world that we live in nowadays, as well as their operations running as smoothly as possible, maximizing their potential for success.
Looking for work in Full Stack Development
Located in Budapest, Hungary (+3)
From €1,000 for Full Stack Development
Worked in Political Organization (+10)
Speaks English, German(+1)
11-50 members
Magicmind Technologies Limited
(0 review)
Empowering Solutions & Services
Magicminds: Empowering Solutions & Services – Bridging the Gap with Excellence. Headquartered in the USA with global footprints spanning across India and Australia, Magicminds stands as a frontrunner in mobile app development, custom software solutions and digital marketing solutions & services. Our dynamic and dedicated team of developers & marketers collaboratively work to transform your vision into tangible success. With a passionate team excelling in mobile & web apps, digital marketing services, and the avant-garde world of AI & Blockchain, we've become the trusted ally for startups & global enterprises. Partner with us and centralize cutting-edge digital prowess in your business, unlocking new horizons of innovation. With a passionate team excelling in mobile & web apps, and the avant-garde world of AI & Blockchain, we've become the trusted ally for startups & global enterprises. We have expertise in– - Custom Software Development - Mobile App Development - Web App Development - AI Development - Blockchain Development - Staff Augmentation - Digital Marketing Partner with us and centralize cutting-edge digital prowess in your business, unlocking new horizons of innovation. Together, let's shape the digital future!
Looking for work in Full Stack Development
Located in Presidency Division, India
From €1,000 for Full Stack Development
Worked in Legal Services (+12)
Speaks English
201-500 members

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