Top 20 JavaScript Development Companies in St. Louis

The Best of May 2024

Looking for a top JavaScript developer in St. Louis?

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.

List of the Best St. Louis JavaScript Developers

1

UPQODE
(69 Reviews) 4.9
- Timeliness
  4.9
- Service Excellence
  4.9
- Value
  4.9
- Would Recommend
  5.0
- $5,000+
- 50 - 249 employees
- St. Louis, MO
UPQODE is a website design and development agency based in Nashville, Tennessee. Founded in 2015, the team of 40+ specializes in web development, web design, and e-commerce development. They work with small businesses, focusing on information technology, e-commerce, and business services.

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Clients
- Think Tank Team - Samsung Research America
Industries
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2

Web Design &amp;amp;amp; Company
(4 Reviews) 5.0
- Timeliness
  4.8
- Service Excellence
  5.0
- Value
  4.8
- Would Recommend
  5.0
- $5,000+
- 2 - 9 employees
- St. Louis, MO
Web Design & Company is a PPC agency. They are located in St. Louis, Missouri and have a small team. Their services include pay per click, search engine optimization, social media marketing, web design, and more.

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Industries
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3

Digital Radium
(5 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  4.9
- Would Recommend
  5.0
- $5,000+
- 2 - 9 employees
- St. Louis, MO
Digital Radium is a high-end software development company founded in 2020 in St. Louis, Missouri. With about 3 employees on board, they offer web development, mobile app development, and e-commerce development to small and medium-sized businesses across several industries, the main ones being business services, manufacturing, and financial.

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Clients
- STL Polyjack
Industries
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4

Beanstalk Web Solutions
(5 Reviews) 4.9
- Timeliness
  4.9
- Service Excellence
  4.9
- Value
  4.9
- Would Recommend
  4.9
- $5,000+
- 10 - 49 employees
- Webster Groves, MO
Founded in 2012, Beanstalk Web Solutions is a full service web development and internet marketing company based in Webster Groves, Mo. Beanstalk Web Solutions' team of 12 employees specializes in web design, mobile app development, and digital strategy.

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Clients
- U.S. Soybean Export Council
Industries
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5

Roundedcube
(2 Reviews) 4.5
- Timeliness
  4.5
- Service Excellence
  4.5
- Value
  4.5
- Would Recommend
  4.5
- Undisclosed
- 10 - 49 employees
- St. Louis, MO
Roundedcube is a digital agency based in St. Louis, Missouri, with a satellite office in Houston, Texas. Founded in 2002, Roundedcube's team of about 10 employees specialize in web development and web design services.

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Clients
- SeaWorld Parks & Entertainment
Industries
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6

PC40 Interactive
(3 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $1,000+
- 2 - 9 employees
- St. Louis, MO
PC40 Interactive is a St. Louis, Missouri-based e-commerce development company. The small team focuses on e-commerce development, web development, custom software development, mobile app development, and more and was established in 2006.

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Industries
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7

Spry Digital
(9 Reviews) 4.9
- Timeliness
  4.9
- Service Excellence
  4.9
- Value
  4.9
- Would Recommend
  5.0
- $50,000+
- 10 - 49 employees
- St. Louis, MO
Spry Digital is a digital agency based in St. Louis, Missouri. Founded in 2010, their team of about 20 employees primarily provide mid-market and enterprise businesses with web development, web design, and UX/UI design services.

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Clients
- Altice
Industries
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8

Gemini Consulting & Services

(0 Reviews)

Not yet reviewed.
- $5,000+
- 250 - 999 employees
- St. Louis, MO
Gemini Consulting & Services is an IT solutions firm that is located in Sunset Hills, Mo. Founded in 2010, Gemini Consulting & Services' team of 307 employees specialize in mobile app development and marketing, web development, and cloud consulting. Gemini Consulting & Services works with clients of all sizes ranging from small startups to large enterprises.

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Clients
- Weil Cornell Medicine
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9

STL Website Development
(11 Reviews) 5.0
- Timeliness
  4.9
- Service Excellence
  5.0
- Value
  4.9
- Would Recommend
  5.0
- $1,000+
- Freelancer employees
- St. Louis, MO
STL Website Development was founded in 2017 and is headquartered in St. Louis, Mo. They have a team of around three employees who focus on web development and design.

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Clients
- FavorHealth
Industries
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10

Brevity

(0 Reviews)

Not yet reviewed.
- $10,000+
- 2 - 9 employees
- St. Louis, MO
Brevity is an e-commerce development firm founded in 2013. They are located in St. Louis, Missouri and have a small team. Their services include e-commerce development, content marketing, social media marketing, and pay per click.
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Industries
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11

VIVIDSITES
(6 Reviews) 5.0
- Timeliness
  4.9
- Service Excellence
  5.0
- Value
  4.8
- Would Recommend
  5.0
- $5,000+
- 2 - 9 employees
- St. Louis, MO
VIVIDSITES is a full service digital marketing company located in St. Louis, Mo. Founded in 1999, VIVIDSITES's team of 8 employees specializes in web design, web development, and e-commerce development.

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Clients
- Reebok
Industries
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12

Mechcubei Solutions

(0 Reviews)

Not yet reviewed.
- $5,000+
- 10 - 49 employees
- St. Louis, MO
Mechcubei Solutions Pvt.Ltd. Is a mobile application development firm. The small Sahibzada Ajit Singh Nagar, India-based company was established in 2019. Their team provides mobile app development, ux/ui design, cybersecurity, web design, and more.
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Industries
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13

Data Dynamics, Inc.
(5 Reviews) 4.7
- Timeliness
  5.0
- Service Excellence
  4.7
- Value
  4.7
- Would Recommend
  5.0
- $5,000+
- 2 - 9 employees
- Ballwin, MO
Data Dynamics, Inc. is an IT consulting company based in Ballwin, Mo. with more than two professionals. Since 2010, they have provided IT managed services, IT staff augmentation, and cloud consulting solutions for clients ranging from small firms to large businesses.

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Clients
- TKC Holdings
Industries
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14

Studio Seagraves
(8 Reviews) 5.0
- Timeliness
  4.9
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $10,000+
- 2 - 9 employees
- Chesterfield, MO
Established in 2015, Studio Seagraves is a small web design company headquartered in Chesterfield, Missouri. Their services include web design, e-commerce development, and web development.

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Industries
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15

ThreeDark
(2 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $1,000+
- 2 - 9 employees
- Fenton, MO
Lunar Designs is a small web design company. The Fenton, Missouri-based company was founded in 2022. Their services include web design, ux/ui design, content marketing, and branding.

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Clients
- BRTapps
Industries
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16

FlashBoombang Studios

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 2 - 9 employees
- St. Louis, MO
Headquartered in St. Louis, Missouri, FlashBoombang Studios is a small UX company. Their services include ux/ui design, search engine optimization, video production, web design, and more.
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17

Algoflow

(0 Reviews)

Not yet reviewed.
- $1,000+
- 2 - 9 employees
- Creve Coeur, MO
Established in 2023, Algoflow is a small web design agency and web development company. Their services include web design and web development. The agency is headquartered in Creve Coeur, Missouri.
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18

Hinj Social

(0 Reviews)

Not yet reviewed.
- $1,000+
- 10 - 49 employees
- Chesterfield, MO
Social media marketing company Hinj Social was established in 2020. Their small team is located in Lahore, Pakistan. Their services include social media marketing, content marketing, pay per click, web design, and more.
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Industries
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19

DEKAMCO

(0 Reviews)

Not yet reviewed.
- $5,000+
- 2 - 9 employees
- St. Louis, MO
DEKAMCO is a St. Louis, Missouri-based custom software development firm. The small company was established in 2019. Their team provides custom software development, mobile app development, web design, web development, and more.
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Industries
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20

AO Creatives

(0 Reviews)

Not yet reviewed.
- $1,000+
- 2 - 9 employees
- Richmond Heights, MO
AO Creatives is a SEO agency. The Richmond Heights, Missouri-based company was established in 2020. The small team specializes in search engine optimization, social media marketing, web design, broadcast video, and more.
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21

Becurity

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 2 - 9 employees
- Town and Country, MO
Becurity, an application development firm, was established in 2017. Their small team is in Town and Country, Missouri. Their services include mobile app development, web development, IT managed services, and web design.
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22

Gardiner Web Development, LLC

(0 Reviews)

Not yet reviewed.
- Undisclosed
- Freelancer employees
- Lake Saint Louis, MO
Launched in 2021, Gardiner Web Development, LLC is a web development company. Their small team is based in Lake Saint Louis, Missouri. Their team focuses on web development, e-commerce development, graphic design, branding, and more.
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23

Giant Hat

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- St. Louis, MO
Giant Hat is an e-commerce development company. They are in St. Louis, Missouri and St. Louis, Missouri and have a small team that provides e-commerce development, web development, custom software development, ux/ui design, and more. The company was launched in 1905.
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