Top Web App Development Agencies in Seattle

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Washington Seattle

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Top Featured Web App Development Agencies

Duck.design
4.7
(29 reviews)
You need design done. Just get it!
Highly recommended
Top awarded
Your brand designs are too important to be left in the hands of unreliable freelancers or expensive creative agencies. Why not hire an experienced, full-time designer who knows you by name and your brand by heart? Since its creation, Duck.design has been able to capitalize on a number of areas that currently constitute its strength: - Logo, Brand Guide, Style Guide; - Graphic Design; - Web Design; - UI/UX Prototyping; - 3D Design; - Game design; - Explainer Video, 2D Animation, GIF.
Looking for work in Web Application
Located in Greater London, United Kingdom
Budget on request
Worked in Banking & Financials (+8)
Speaks English
51-200 members
AGCS Works
4.8
(35 reviews)
Marketing - Design - Social Media - Video Production
Recommended
Top awarded
We are an award-winning international digital agency born in Amsterdam. Our key areas of focus are: - Marketing and Marketing Strategy - Social Media - Design and Digital Design - Video Production and Editing - Web Development - Branding and visual identity - Digital design - HTML5 coding and Banners We have worked with clients including Yamaha, Universal Pictures, Ubisoft, Qatar Airways, and Samsonite, as well as top creative agencies across Europe and United States. Our team of designers, video editors and web development specialists helps brands and creative agencies execute flawless design and digital production projects.
10 works in Web Application
Located in Amsterdam, Netherlands (+1)
From €1,000 for Web Application
Worked in Accounting (+16)
Speaks English, Dutch
11-50 members
Plavno
5
(16 reviews)
AI-First Software Company: Secure Agents, Voice Assistants, and Scalable Cloud.
Top awarded
Plavno is a premier software development house with over 20 years of experience and a highly qualified team of experts in your industry. Fully-fledged teams of specialists cover each stage of product creation , from product management and analysis to design, development, testing, and ongoing support. We have a unique advantage , our pre-formed full teams work exclusively on products in their specific domains, such as Healthcare, E-Learning, FinTech, Travel & Hospitality, Fleet management and more. We can help you with: ✔ Web Development ✔ Mobile App Development ✔ CRM/CMS/SaaS Development ✔ Chat and Chatbot Development ✔ Web3 / DeFi / DAO / Smart contract ✔ WebRTC Stop struggling with bloated budgets and slow time-to-market. At Plavno, our fully-fledged team provides cost-effective and streamlined solutions that minimize technical debt and maximize your product's potential. With end-to-end support and a proven track record in the SAFe Scaled Agile Framework, we're the partner you need to succeed. LET’S CONNECT Let us help you choose the best path forward to deliver the perfect solution: Admin@plavno.io
23 works in Web Application
Located in Alexandria, United States (+2)
From €10,000 for Web Application
Worked in E-commerce (+19)
Speaks English, French(+2)
51-200 members
Instinctools
5
(10 reviews)
Your AI-powered Engineering Partner
Top awarded
Meet *instinctools - a global AI-powered software engineering company with over 25 years of experience. We help both SMBs and Enterprises build robust, scalable software solutions that excel in functionality and design. Our core services include: Agentic AI enablement Custom software development enhanced by deep AI expertise Digital product engineering Business process automation Legacy system modernization Advanced data analytics and visualization Cloud infrastructure and DevSecOps Headquartered in the USA (Maryland) and Europe (Germany), *instinctools offers convenient locations for meeting and collaborating directly with our clients. We have development centers in Poland, LATAM, India, and Kazakhstan that combine global expertise with a strong price-quality balance to ensure exceptional results across time zones. Our work is backed by ISO-certified quality standards, strategic partnerships with leading tech platform, and a long-standing commitment to engineering excellence. Instinctools holds a broad portfolio of regional and industry-specific certifications, including CIR, HIPAA, and other compliance frameworks required for regulated markets. The 2025 Annual Customer Satisfaction Index is 9.1 out of 10.
3 works in Web Application
Located in Potomac, United States (+4)
From €10,000 for Web Application
Worked in Construction (+10)
Speaks English, German(+1)
201-500 members
eParivartan
4.8
(2 reviews)
Defining Change
Recommended
Parivartan is a Sanskrit word for change, but not cosmetic change, short-term noise, or forced reinvention. It represents the kind of change you’re ready for, often before you consciously realise it. The kind that allows brands to evolve, grow, and emerge stronger without losing who they are at the core. This is the change we believe in, and this is the change we design. The leaf in our logo is not a design element. It is a metaphor. A leaf moves through cycles - birth, growth, fall, and regeneration. Just like brands. Just like businesses. Just like ideas. Every organisation evolves. Our role is not to rush that evolution, but to guide it thoughtfully, making sure each phase feels authentic, relevant, and true to its purpose. That guidance begins with understanding. Understanding your business. Your audience. Your challenges. Your ambitions. Only then do we design systems, stories, platforms, and identities that grow with time, not break under it.
4 works in Web Application
Located in Madhapur, India
From €2,000 for Web Application
Worked in Food (+8)
Speaks English, Hindi
11-50 members

All Web App Development Companies in Seattle

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