Top 10+ Java Script Development Companies in Seattle | Java Script Developers Seattle 2026
Last Updated 05th September 2026 | Category: Top Web Development FirmsThe List of Top 10+ Java Script Development Companies in Seattle | Top Java Script Developers Seattle September 2026
1. Hyperlink InfoSystem
Sponsored
Details
| Founded: | 2011 |
|---|---|
| Hourly Rates: | < $25 |
| Employees: | 1000+ |
| Avg. Project Cost: | $100,000+ |
| Ratings: |
5.0
497 Reviews
|
Since 2011, Hyperlink InfoSystem has operated as a technology services provider. Hyperlink InfoSystem focuses on Mobile App Development. Hyperlink InfoSystem employs 1000+ people. Clients can expect pricing around < $25/hr, with projects averaging about $100,000. Overall, Hyperlink InfoSystem is one of the options worth shortlisting for a technology project.
Details
| Founded: | 2016 |
|---|---|
| Hourly Rates: | $150 - $199 |
| Employees: | 2 - 9 |
| Avg. Project Cost: | $5,000,000+ |
| Ratings: | No reviews yet |
Since 2016, Mutations Limited has operated as a technology services provider. Their work spans web development, mobile apps, and custom software projects. Its team includes 2 - 9 specialists working across design, development, and delivery. Clients can expect pricing around $150 - $199/hr, with projects averaging about $25,000. This profile is a starting point — reach out to Mutations Limited directly to discuss project specifics.
Details
| Founded: | 2010 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 2 - 9 |
| Avg. Project Cost: | $2,500,000+ |
| Ratings: | No reviews yet |
Businesses looking for a reliable technology partner often consider Little Guy Design. The company's main offerings are Digital Marketing. Its team includes 2 - 9 specialists working across design, development, and delivery. Clients can expect pricing around $100 - $149/hr, with projects averaging about $25,000. Overall, Little Guy Design is one of the options worth shortlisting for a technology project.
Details
| Founded: | 2000 |
|---|---|
| Hourly Rates: | $150 - $199 |
| Employees: | 500 - 999 |
| Avg. Project Cost: | $5,000,000+ |
| Ratings: |
4.7
6 Reviews
|
Businesses looking for a reliable technology partner often consider Moxie. The company's main offerings are Custom Software Development. Its team includes 500 - 999 specialists working across design, development, and delivery. Clients can expect pricing around $150 - $199/hr, with projects averaging about $10,000. This profile is a starting point — reach out to Moxie directly to discuss project specifics.
Details
| Founded: | 2012 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 50 - 249 |
| Avg. Project Cost: | $50,000+ |
| Ratings: |
4.7
8 Reviews
|
Ascendle is a software development company that turns ideas into working products. Ascendle works across web, mobile, and custom software development. Ascendle employs 50 - 249 people. Clients can expect pricing around $100 - $149/hr, with projects averaging about $25,000. These details offer a useful starting point when evaluating Ascendle.
Details
| Founded: | 2004 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $100,000+ |
| Ratings: |
4.3
8 Reviews
|
Quacito LLC is a leading provider of business consulting, Web development, process automation, and mobile application development services for corporate bodies, Industries, small business, and government agencies. They have rendered competent web development services ranging from mobile application to entire business process automation.
Details
| Founded: | 2012 |
|---|---|
| Hourly Rates: | N/A |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $10,000+ |
| Ratings: | No reviews yet |
Thumbvista is a software development company that turns ideas into working products. Thumbvista builds web and mobile products, plus custom software for clients with specific needs. Its team includes 10 - 49 specialists working across design, development, and delivery. The average project on record costs around $25,000. These details offer a useful starting point when evaluating Thumbvista.
Details
| Founded: | 2002 |
|---|---|
| Hourly Rates: | N/A |
| Employees: | 2 - 9 |
| Avg. Project Cost: | $50,000+ |
| Ratings: | No reviews yet |
Followbright is a software development company that turns ideas into working products. Their core services include Mobile App Development. Followbright employs 2 - 9 people. Projects with this company average about $5,000,000. This profile is a starting point — reach out to Followbright directly to discuss project specifics.
Details
| Founded: | 2000 |
|---|---|
| Hourly Rates: | $150 - $199 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $5,000,000+ |
| Ratings: |
4.6
6 Reviews
|
Praxent is a software development company that turns ideas into working products. Their core services include Mobile App Development and Custom Software Development. Its team includes 10 - 49 specialists working across design, development, and delivery. Typical hourly rates run around $150 - $199/hr, with an average project cost near $2,500,000. These details offer a useful starting point when evaluating Praxent.
Details
| Founded: | 2013 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $100,000+ |
| Ratings: | No reviews yet |
DayCloud Studios is a software development company that turns ideas into working products. Their work spans web development, mobile apps, and custom software projects. The company operates with a team of 10 - 49 professionals. Typical hourly rates run around $100 - $149/hr, with an average project cost near $100,000. This profile is a starting point — reach out to DayCloud Studios directly to discuss project specifics.
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The best Web Development companies in Seattle share a few common traits: a portfolio of shipped, real-world products, verified client feedback rather than self-reported testimonials, and a team structure built for accountability instead of just headcount. They can point to specific outcomes — faster load times, higher conversion, successful launches — rather than vague claims of expertise. Cross-checking a shortlist against independent reviews is the fastest way to separate genuinely strong Web Development firms in Seattle from those that simply market well.
Most Web Development companies in Seattle default to one of three setups: fixed-price when the scope is locked down in advance, time-and-materials when requirements are expected to shift, or a dedicated team model for ongoing product work that doesn't have a fixed end date. None of these is inherently better — the right fit depends on how settled your requirements actually are. A Web Development partner in Seattle worth working with will tell you honestly which model fits your project instead of pushing whichever one is easiest for them to sell.
Working with a Web Development company in Seattle usually comes down to a straightforward trade: strong technical talent at a price point that's hard to match in higher-cost markets, without the coordination overhead of a fully remote, no-local-presence vendor. Teams based in Seattle tend to understand both the practicalities of international client work and the local hiring market, which shows up in smoother onboarding and fewer surprises around contracts and invoicing.
The better Web Development companies in Seattle plan around the time difference rather than ignoring it — usually by shifting core hours to overlap a few hours with the client's day, and filling the rest of the gap with recorded demos, written status updates, and async-friendly tools. It's a solvable problem, but only if it's addressed explicitly before the project starts; agree on exactly how much overlap you need with your Web Development partner in Seattle up front.
The surprises usually aren't from the Web Development company's own fees — they're things like third-party tool licenses, cloud hosting once the project scales past the free tier, app store fees, and whatever maintenance retainer kicks in after launch. A straight-talking Web Development firm in Seattle will list these out unprompted; if a proposal looks suspiciously clean, ask directly what isn't included in the number you're seeing.
Rankings for Web Development companies in Seattle are built from a mix of verified client reviews, the depth and relevance of each firm's portfolio, market presence, and how responsive they are on the platform itself — not a single self-reported score. Our team cross-checks submitted project details against client interviews wherever possible, so a company sitting near the top of the Seattle list has that position backed by more than its own marketing.
A good Web Development company in Seattle won't make you ask for updates — you should have standing access to a task board, regular written progress notes, and visibility into a staging environment where you can see the work as it's built, not just at the end of a sprint. If a firm treats this kind of access as an inconvenience rather than standard practice, take that seriously before signing anything longer-term.
Bring a real problem from your own project to a discovery call and see how the team engages with it — the quality of their follow-up questions tells you more than any slide deck. Ask to see actual code from past work, not just screenshots of the finished product, and look for evidence of technical writing, open-source contributions, or conference talks, which are harder to fake than a polished portfolio page. A Web Development company in Seattle with genuine depth won't be shy about any of this.
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