Top 70 JavaScript Development Companies in Seattle

The Best of November 2024

Looking for a top JavaScript developer in Seattle?

If you're hiring a JavaScript developer to help you build or update a website that's responsive and interactive, consider the pros and cons of JavaScript as a programming language. Advantages include its speed because it's executed on the client-side; reduction in server load; and diverse functionality. Disadvantages to consider include security such as bugs on the client-side.

Jump to Most Reviewed Companies

List of the Best Seattle JavaScript Developers

31

Steelsmith Haus, LLC
(1 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $1,000+
- 10 - 49 employees
- Seattle, WA
Steelsmith Haus LLC is an internet marketing agency in Seattle. Founded in 2010, Steelsmith Haus has about 8 employees that work with a range of clients. Services include SEO, content marketing, web design, and email marketing services.

Read More
Clients
- StacheClip
Industries
View Profile Visit Site
Get connected with a company for free

Tell us about your project, and we'll match you with vetted companies that meet your requirements.

Get Started
32

Virtuosity Consulting
(1 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  4.5
- Value
  4.5
- Would Recommend
  5.0
- $10,000+
- 50 - 249 employees
- Bellevue, WA
Virtuosity Consulting, a custom software development firm, was launched in 2008. They are located in Bellevue, Washington and Navi Mumbai, India and have a midsize team. Their services include custom software development, IT managed services, enterprise app modernization, web development, and more.

Read More
Industries
View Profile Visit Site
33

Mernplus Softech
(1 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $50,000+
- 10 - 49 employees
- Bellevue, WA
Web development firm Mernplus Softech is headquartered in Jaipur, India. The small team focuses on web development, web design, ux/ui design, BI & big data consulting & SI, and more and was launched in 2020.
Read More

View Profile Visit Site
34

Sandcastle Web Design and Development

(0 Reviews)

Not yet reviewed.
- $5,000+
- 2 - 9 employees
- Burien, WA
Sandcastle Web Design and Development is a software development company established in 1998. The team specializes in Custom Software Development and Mobile App Development.
Read More
Clients
- Aviation Supplies & Academics
- Cevala / Brandvia
- Allegiant Commercial Asset Services Group
Industries
View Profile Visit Site
35

Tech Pathway

(0 Reviews)

Not yet reviewed.
- $5,000+
- 50 - 249 employees
- Bellevue, WA
Midsize mobile application development firm Tech Pathway, is in Jaipur, India and Bellevue, Washington. Their services include Mobile App Development and Web Development.
Read More
Industries
View Profile Visit Site
36

Groove Jones
(23 Reviews) 4.9
- Timeliness
  4.9
- Service Excellence
  4.9
- Value
  4.8
- Would Recommend
  5.0
- $25,000+
- 10 - 49 employees
- Seattle, WA
Groove Jones is a mobile app, AR/VR, and custom software developer based in Dallas. Founded in 2015, this 10+ team of digital experts builds the interactive tools that give brands a competitive edge.

Read More
Clients
- 3M
- AT&T
- American Heart Associaiton
- Charles Schwab
Industries
View Profile Visit Site
37

Carbon Five

(0 Reviews)

Not yet reviewed.
- $100,000+
- 50 - 249 employees
- Seattle, WA
Launched in 2000, Carbon Five is a custom software development company. Their team specializes in Custom Software Development and Mobile App Development.
Read More
Industries
View Profile Visit Site
38

NOTEBLEU

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 2 - 9 employees
- Seattle, WA
NOTEBLEU is a web design company and web development firm. The Seattle, Washington-based company was founded in 2009. Their team focuses on Web Design and Web Development.
Read More

View Profile Visit Site
39

Palador

(0 Reviews)

Not yet reviewed.
- $10,000+
- 10 - 49 employees
- Seattle, WA
Palador is a small custom software development firm headquartered in Seattle, Washington and Yogyakarta, Indonesia. Their services include Custom Software Development and Enterprise App Modernization.
Read More
Industries
View Profile Visit Site
40

Devblock

(0 Reviews)

Not yet reviewed.
- $10,000+
- 50 - 249 employees
- Seattle, WA
Devblock is a software development company. Based in Seattle, Washington and Ho Chi Minh, Vietnam, the company offers Custom Software Development and Web Development.
Read More
Industries
View Profile Visit Site
41

GenUI

(0 Reviews)

Not yet reviewed.
- $50,000+
- 50 - 249 employees
- Seattle, WA
Cloud consulting & SI company GenUI was launched in 2009. The midsize team focuses on cloud consulting & SI and Mobile App Development.
Read More
Industries
View Profile Visit Site
42

VisionSnap, Inc.
(5 Reviews) 4.9
- Timeliness
  4.9
- Service Excellence
  5.0
- Value
  4.9
- Would Recommend
  5.0
- $5,000+
- 2 - 9 employees
- Shoreline, WA
VisionSnap is a design and development company based in Seattle, with an additional office in Phoenix, AZ. The team was founded in 1999. VisionSnap specializes in providing UX/UI design, web development, and web design services primarily for small and midmarket businesses.

Read More
Clients
- Rulersmith
Industries
View Profile Visit Site
43

TangoTeams

(0 Reviews)

Not yet reviewed.
- $75,000+
- 50 - 249 employees
- Seattle, WA
TangoTeams, a midsize website development company, is in Seattle, Washington. Their services include Web Development and Mobile App Development.
Read More

View Profile Visit Site
44

Pivotal Consulting

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- Seattle, WA
Pivotal Consulting, a cloud consulting & SI company, is based in Seattle, Washington. The team offers cloud consulting & SI and Enterprise App Modernization.
Read More
Industries
View Profile Visit Site
45

Zipline B2B Marketing

(0 Reviews)

Not yet reviewed.
- $10,000+
- 10 - 49 employees
- Seattle, WA
Branding agency Zipline B2B Marketing was founded in 2005. The agency provides Branding and Digital Strategy, and is small.
Read More
Industries
View Profile Visit Site
46

S9 Digital

(0 Reviews)

Not yet reviewed.
- $1,000+
- 2 - 9 employees
- Seattle, WA
S9 Digital is a branding company. Their small team is in Seattle, Washington. Their services include Branding and Content Marketing.
Read More

View Profile Visit Site
47

SeaMonster Studios

(0 Reviews)

Not yet reviewed.
- $1,000+
- 2 - 9 employees
- Seattle, WA
SeaMonster Studios, a web development firm, was launched in 2007. In Seattle, Washington, the team focuses on Web Development and UX/UI Design.
Read More
Industries
View Profile Visit Site
48

v37

(0 Reviews)

Not yet reviewed.
- $5,000+
- 2 - 9 employees
- Seattle, WA
V37 is a custom software development company located in Seattle, Washington. Launched in 2022, the team specializes in Custom Software Development and Web Development.
Read More

View Profile Visit Site
49

WinnComm, LLC

(0 Reviews)

Not yet reviewed.
- $10,000+
- 2 - 9 employees
- Kent, WA
WinnComm, LLC is a software development company. They provide Custom Software Development and Web Development and are based in Jaipur, India and Kent, Washington.
Read More

View Profile Visit Site
50

Jordan Crown
(52 Reviews) 4.9
- Timeliness
  4.9
- Service Excellence
  4.9
- Value
  5.0
- Would Recommend
  5.0
- $5,000+
- 2 - 9 employees
- Everett, WA
Jordan Crown is a nationally known firm based in Seattle, WA. Founded in 2008, their tight-knit team of 11 specializes in creating beautiful websites in the construction, technology, manufacturing, and consulting industries.

Read More
Clients
- Compass Health
Industries
View Profile Visit Site
51

Neurian

(0 Reviews)

Not yet reviewed.
- $10,000+
- 2 - 9 employees
- Federal Way, WA
Neurian is a web development firm established in 2022. The agency focuses on Web Development and Search Engine Optimization.
Read More

View Profile Visit Site
52

Efinitytech
(13 Reviews) 4.9
- Timeliness
  4.8
- Service Excellence
  4.8
- Value
  4.5
- Would Recommend
  4.9
- $5,000+
- 2 - 9 employees
- Monroe, WA
Efinitytech is a web design company located in Monroe, Wash. Founded in 1998, Efinitytech's team of around 5 employees specializes in web design, web development, and ecommerce development. Efinitytech's clients are primarily small businesses in the ecommerce, real estate, and consumer product spaces.

Read More
Clients
- Safe Consulting
Industries
View Profile Visit Site
53

Astra

(0 Reviews)

Not yet reviewed.
- $10,000+
- 2 - 9 employees
- Bellevue, WA
Astra, a web development company, offer Web Development and Mobile App Development. They were established in 2022.
Read More

View Profile Visit Site
54

Suzanne Harrison, Web Design + Build

(0 Reviews)

Not yet reviewed.
- $5,000+
- 2 - 9 employees
- Seattle, WA
Suzanne Harrison, Web Design + Build is a web design company. The small Seattle, Washington-based team provides Web Design and Branding. The firm was established in 2012.
Read More

View Profile Visit Site
55

Business 2 Virtual LLC

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 2 - 9 employees
- Seattle, WA
Business 2 Virtual LLC is a Back Office Outsourcing company. They are based in Seattle, Washington and have small team. They focus on Back Office Outsourcing and Engineering.
Read More

View Profile Visit Site
56

Webtual Global Inc.

(0 Reviews)

Not yet reviewed.
- $1,000+
- 10 - 49 employees
- Redmond, WA
Webtual Global Inc., a custom software development company, was founded in 2019. The company offers Custom Software Development and Enterprise App Modernization.
Read More
Industries
View Profile Visit Site
57

DMC, Inc.

(0 Reviews)

Not yet reviewed.
- $10,000+
- 50 - 249 employees
- Seattle, WA
DMC, Inc., a custom software development firm, is based in Chicago, Illinois and Somerville, Massachusetts. The team provides Custom Software Development and CRM consulting and SI.
Read More
Clients
- 3M
Industries
View Profile Visit Site
58

Fusion Creative Works

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 2 - 9 employees
- Poulsbo, WA
Fusion Creative Works is a small Poulsbo, Washington-based graphic design agency. The team offers Graphic Design and Logo.
Read More

View Profile Visit Site
59

DigiCorders

(0 Reviews)

Not yet reviewed.
- $1,000+
- 10 - 49 employees
- Kent, WA
Established in 2021, DigiCorders is a social media marketing firm. The team provides Social Media Marketing and Content Marketing.
Read More

View Profile Visit Site
60

Design Detective

(0 Reviews)

Not yet reviewed.
- $1,000+
- Freelancer employees
- Lynnwood, WA
Design Detective is a small web design company and website development firm located in Lynnwood, Washington. Their services include Web Design and Web Development.
Read More
Industries
View Profile Visit Site