Top 100 JavaScript Development Companies in London

The Best of September 2024

Looking for a top JavaScript developer in London?

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 London JavaScript Developers

271

PieCrust.uk
(2 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $1,000+
- 10 - 49 employees
- London, England
PieCrust.uk, a software development firm, was launched in 2022. The small team provides custom software development, web development, and mobile app development. The company is based in London, United Kingdom.
Read More
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
272

SovTech UK

(0 Reviews)

Not yet reviewed.
- $50,000+
- 250 - 999 employees
- London, England
Based in London, United Kingdom, SovTech UK is a midsize IT staff augmentation company. Founded in 2012, the team focuses on IT staff augmentation, custom software development, web development, and mobile app development.
Read More

View Profile Visit Site
273

Computools
(33 Reviews) 4.8
- Timeliness
  4.8
- Service Excellence
  4.8
- Value
  4.9
- Would Recommend
  4.8
- $50,000+
- 250 - 999 employees
- London, England
Computools is a software solutions agency founded in 2013. With its headquarters in Kiev, Ukraine, they have a team of 120 employees. Their services include custom software development, blockchain development, and e-commerce development. They primarily serve small business and midmarket clients in the business services, financial services, and healthcare and medical industries.

Read More
Clients
- Visa
Industries
View Profile Visit Site
274

Mudimedia Ltd

(0 Reviews)

Not yet reviewed.
- $5,000+
- 10 - 49 employees
- London, England
Software development company Mudimedia was founded in 2017. Located in Urla, Turkey, their small team specializes in mobile app and web development for clients in the manufacturing, information technology, and navigation industries. They primarily provide services to mid market and small business.

Read More
Industries
View Profile Visit Site
275

Mobiteam UK

(0 Reviews)

Not yet reviewed.
- $1,000+
- 10 - 49 employees
- London, England
Mobiteam UK is a website development firm. Their small team is headquartered in London, United Kingdom. The agency focuses on web development, web design, ux/ui design, search engine optimization, and more.

Read More
Industries
View Profile Visit Site
276

Apexa Tech

(0 Reviews)

Not yet reviewed.
- $25,000+
- 2 - 9 employees
- london, England
Launched in 2018, Apexa Tech is a small IT strategy consulting company. Their team specializes in IT strategy consulting, custom software development, web development, Artificial Intelligence, and more. The firm is located in london, England and Cairo, Egypt.
Read More
Industries
View Profile Visit Site
277

SYSTAFF
(1 Reviews) 4.5
- Timeliness
  4.5
- Service Excellence
  4.5
- Value
  5.0
- Would Recommend
  5.0
- $25,000+
- 50 - 249 employees
- London, England
SYSTAFF, a web development firm, was founded in 2015. They are located in Islamabad, Pakistan and London, United Kingdom and have a midsize team. SYSTAFF specializes in web development, ERP consulting and SI, search engine optimization, custom software development, and more.

Read More
Industries
View Profile Visit Site
278

Particular Agency

(0 Reviews)

Not yet reviewed.
- $1,000+
- 2 - 9 employees
- London, England
Branding company Particular Holdings LTD is in London, United Kingdom. The small firm was launched in 2022. Their services include branding, social media marketing, search engine optimization, pay per click, and more.
Read More
Clients
- Rushmoor Knights Academy
Industries
View Profile Visit Site
279

RKWO
(1 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $5,000+
- 10 - 49 employees
- London, England
Founded in 2020, RKWO is a development firm. Their team of around 5 employees is based in London. They focus on custom software development and web development.

Read More
Industries
View Profile Visit Site
280

MMC Global
(10 Reviews) 4.9
- Timeliness
  4.7
- Service Excellence
  4.9
- Value
  4.8
- Would Recommend
  4.9
- $25,000+
- 250 - 999 employees
- London, England
MMC Global is a small Austin, Texas-based web development firm. Established in 2020, the team provides web development, wearable app development, mobile & app marketing, search engine optimization, and more.

Read More
Clients
- AE Freelancer
Industries
View Profile Visit Site
281

Deutrix
(7 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $5,000+
- 2 - 9 employees
- London, England
Founded in 2019, Deutrix is a small website development company located in Novi Sad, Serbia. Their services include web development and web design.

Read More
Industries
View Profile Visit Site
282

Exolute Media
(1 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $1,000+
- 50 - 249 employees
- London, England
Established in 2020, Exolute Media is a marketing strategy company. Their small team is located in San Diego, California and London, United Kingdom. Their services include marketing strategy, web design, web development, and e-commerce development.
Read More
Industries
View Profile Visit Site
283

Endevor IT Solutions Private Limited

(0 Reviews)

Not yet reviewed.
- $1,000+
- 50 - 249 employees
- London, England
Endevor IT Solutions Private Limited is a web development firm. Their midsize team is in London, United Kingdom. The agency focuses on web development, e-commerce development, social media marketing, search engine optimization, and more. The agency was launched in 2017.

Read More
Industries
View Profile Visit Site
284

Arch
(25 Reviews) 4.6
- Timeliness
  4.7
- Service Excellence
  4.6
- Value
  4.2
- Would Recommend
  4.7
- $50,000+
- 2 - 9 employees
- London, England
Arch is an innovative digital studio founded in 2005. They specialise in developing sophisticated websites, mobile apps, and business systems. Their expertise also includes providing tailored solutions for a range of industries including finance, education, fitness, and well-being. Notably, they have earned recognition, listed as one of 14 firms on Google’s Flutter directory. Their commitment lies in consistently pushing the boundaries of creativity and excellence in every project.

Read More
Clients
- Nestle
Industries
View Profile Visit Site
285

Blank Space
(15 Reviews) 5.0
- Timeliness
  4.7
- Service Excellence
  5.0
- Value
  4.7
- Would Recommend
  5.0
- $50,000+
- 10 - 49 employees
- London, England
Blank Space Corp is an app development company headquartered in Toronto. Founded in 2015, the team of less than 10 specializes in mobile app development, UX/UI design, and web design.

Read More
Clients
- Dunkin'
Industries
View Profile Visit Site
286

2Digit Innovations Pvt. Ltd.
(1 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $5,000+
- 2 - 9 employees
- London, England
2Digit Innovations is a website development company headquartered in ghaziabad, India. The small team specializes in web development, mobile app development, search engine optimization, web design, and more and was founded in 2018.
Read More
Industries
View Profile Visit Site
287

Xtroniq

(0 Reviews)

Not yet reviewed.
- $1,000+
- 250 - 999 employees
- London, England
Xtroniq Technologies is an app development firm launched in 2011. The small Kolkata, India-based team specializes in mobile app development, web development, branding, direct marketing, and more.
Read More
Industries
View Profile Visit Site
288

Omnius

(0 Reviews)

Not yet reviewed.
- $5,000+
- 10 - 49 employees
- London, England
Omnius is a content marketing company. They focus on content marketing, search engine optimization, ux/ui design, and web development and were established in 2020. Their small team is London, United Kingdom-based.

Read More
Industries
View Profile Visit Site
289

DBETA
(1 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $10,000+
- 10 - 49 employees
- London, England
DBETA LIMITED is a website development company. Founded in 2019, the team specializes in web development, other digital marketing, and web design. Their small firm is London, United Kingdom-based.
Read More
Industries
View Profile Visit Site
290

QTech
(6 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  4.8
- Would Recommend
  5.0
- $5,000+
- 10 - 49 employees
- London, England
QTech Networks, an application development company and web development firm, was founded in 1999. The agency provides mobile app development and web development and has a small team. The agency is located in Amman, Jordan and Dubai, United Arab Emirates.
Read More
Industries
View Profile Visit Site
291

Academy Smart
(14 Reviews) 4.9
- Timeliness
  4.9
- Service Excellence
  4.9
- Value
  4.7
- Would Recommend
  5.0
- $10,000+
- 50 - 249 employees
- Potters Bar, England
Academy Smart is an outsourcing company founded in 2009 based in Kharkiv, Ukraine. Their team of 80 provide client with their IT staff augmentation, custom software development, and web development needs, using frameworks such as Spring MVC, AngularJS, and ReactJs, among others.

Read More
Clients
- Cloudyn
Industries
View Profile Visit Site
292

Box UK
(6 Reviews) 4.9
- Timeliness
  4.5
- Service Excellence
  4.9
- Value
  4.3
- Would Recommend
  5.0
- $25,000+
- 50 - 249 employees
- London, England
Box UK is an enterprise software development company based in Cardiff, UK, with an office in London. The company, founded in 1998, has more than 50 employees who provide, among others, custom software development, web development, and enterprise app modernization services to various businesses.

Read More
Clients
- OKdo.com
Industries
View Profile Visit Site
293

InFact Digital Co-operative

(0 Reviews)

Not yet reviewed.
- $5,000+
- 2 - 9 employees
- London, England
Web design company InFact Digital Co-operative was launched in 2017. The small London, United Kingdom-based team provides web design, web development, custom software development, and ux/ui design.
Read More
Industries
View Profile Visit Site
294

Apexdv

(0 Reviews)

Not yet reviewed.
- $25,000+
- 10 - 49 employees
- London, England
Apexdv, a blockchain company, was founded in 2017. Their small team is located in Shelton, Connecticut and London, United Kingdom and focuses on blockchain, web design, and web development.

Read More
Clients
- Blockchain development
Industries
View Profile Visit Site
295

24hour.dev

(0 Reviews)

Not yet reviewed.
- $10,000+
- 10 - 49 employees
- London, England
24hour.dev is a web development company. Founded in 2015, the small company is in San Francisco, California and Vancouver, Canada. Their team offers web development, mobile app development, custom software development, and web design.
Read More
Industries
View Profile Visit Site
296

Bxoft

(0 Reviews)

Not yet reviewed.
- $1,000+
- 2 - 9 employees
- London, England
Small web development firm Bxoft, is in London, United Kingdom. Launched in 2019, the team provides web development, web design, ux/ui design, graphic design, and more.
Read More
Clients
- STC
Industries
View Profile Visit Site
297

Buglelab
(4 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $1,000+
- 2 - 9 employees
- Morden, England
Buglelab, a web design company, is based in. The small team provides web design, web development, and search engine optimization. The firm was founded in 2017.
Read More
Industries
View Profile Visit Site
298

VisEngine Digital Solutions

(0 Reviews)

Not yet reviewed.
- $1,000+
- 10 - 49 employees
- London, England
VisEngine Digital Solutions is an AR/VR development company. They are in London, United Kingdom and North Arlington, New Jersey and have a small team. Their services include AR/VR development, interior design, mobile app development, video production, and more. The company was launched in 2009.

Read More
Industries
View Profile Visit Site
299

BitSmiths

(0 Reviews)

Not yet reviewed.
- $1,000+
- 2 - 9 employees
- London, England
BitSmiths, a web development company, is headquartered in London, United Kingdom. Established in 2018, the small team offers web development and mobile app development.
Read More

View Profile Visit Site
300

Star

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 250 - 999 employees
- London, England
Star is a Sunnyvale, California-based software development company. The midsize company was founded in 2008. Their team provides custom software development, mobile app development, ux/ui design, IoT development, and more.

Read More
Industries
View Profile Visit Site