Top 100 JavaScript Development Companies in London

The Best of October 2026

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

541

Profound

(6 Reviews) 4.6

Timeliness
4.6

Service Excellence
4.6

Value
4.1

Would Recommend
4.7

$25,000+

10 - 49 employees

Basingstoke, England

Headquartered in Basingstoke, United Kingdom and Lincoln, United Kingdom, Profound is a digital strategy and user experience design agency. The small company was established in 2005. Their services include digital strategy and ux/ui design.
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542

Brandon Cross

(0 Reviews)

Not yet reviewed.

$10,000+

2 - 9 employees

Lacey Green, England

Brandon Cross is a software development firm. They are headquartered in Lacey Green, England, and their services include Custom Software Development and Web Development.
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Industries

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543

Code23

(0 Reviews)

Not yet reviewed.

$10,000+

10 - 49 employees

Reading, England

Code23 is a small software development company headquartered in Reading, England. The team specializes in Custom Software Development and E-Commerce Development.
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544

Launch90 Ltd

(0 Reviews)

Not yet reviewed.

$5,000+

2 - 9 employees

Luton, England

Launch90 Ltd is a web design company launched in 2025. The small team specializes in Web Design and UX/UI Design.
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Industries

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545

Crowers Digital

(1 Reviews) 5.0

Timeliness
5.0

Service Excellence
5.0

Value
5.0

Would Recommend
5.0

$10,000+

2 - 9 employees

Guilden Morden, England

Crowers Limited, a custom software development company, is based in Guilden Morden, United Kingdom. The company specializes in custom software development, mobile app development, web development, web design, and more and has a small team.The company was founded in 2017.

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Clients

Xylem

Industries

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546

I-Next Ltd.

(5 Reviews) 5.0

Timeliness
4.8

Service Excellence
5.0

Value
5.0

Would Recommend
5.0

$1,000+

2 - 9 employees

Mortimer Common, England

I-Next Ltd. is a digital firm based in Reading, England With a team of fewer than 10, they lend their expertise in web development, IT managed services, and e-commerce development to clients ranging from small and midmarket businesses, from industries such as advertising and marketing, business services, and media.

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Clients

Edenred

Industries

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547

Framework Digital

(0 Reviews)

Not yet reviewed.

$10,000+

2 - 9 employees

Aylesbury, England

Established in 2013, Framework Digital is a web design agency. Their team specializes in Web Design and Web Development.
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Industries

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548

We Create Digital

(8 Reviews) 4.9

Timeliness
4.8

Service Excellence
4.9

Value
5.0

Would Recommend
5.0

$10,000+

10 - 49 employees

Coggeshall, England

We Create Digital, an e-commerce development firm, is in Coggeshall, England. The small team provides E-Commerce Development, Web Development, Web Design, Custom Software Development, and more and was founded in 2011.
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Industries

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549

DabApps

(11 Reviews) 4.8

Timeliness
4.9

Service Excellence
4.9

Value
4.6

Would Recommend
4.9

$10,000+

10 - 49 employees

Brighton and Hove, England

DabApps is a small custom software development firm. Based in Brighton and Hove, England and Cardiff, Wales, the company was founded in 2010. Their services include Custom Software Development, Web Development, Mobile App Development, and UX/UI Design.
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Clients

LOD

Industries

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550

Bug Media

(0 Reviews)

Not yet reviewed.

$1,000+

2 - 9 employees

Southend-on-Sea, England

Based in Southend-on-Sea, England, Bug Media is a small web development firm. The team offers Web Development and E-Commerce Development.
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Industries

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551

VA Software Solutions ltd

(0 Reviews)

Not yet reviewed.

$50,000+

10 - 49 employees

Earley, England

Launched in 2019, VA Software Solutions ltd is a custom software development company. Based in Earley, England and Sofia, Bulgaria, the team focuses on Custom Software Development and Web Development.
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Industries

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552

Bright Interactive

(3 Reviews) 4.8

Timeliness
4.5

Service Excellence
5.0

Value
4.3

Would Recommend
5.0

$50,000+

10 - 49 employees

East Sussex, England

Bright Interactive is a software development company Based in East Sussex, United Kingdom, that was founded in 1999. Their team of 32 provides custom software development, web development, UX/UI design.

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Clients

Flight Centre

Industries

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553

BuzzBoost Digital

(0 Reviews)

Not yet reviewed.

$1,000+

2 - 9 employees

Southend-on-Sea, England

BuzzBoost Digital is a website development company in Southend-on-Sea, England. The team focuses on Web Development and Web Design.
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554

Spinbox

(1 Reviews) 5.0

Timeliness
5.0

Service Excellence
5.0

Value
5.0

Would Recommend
5.0

$25,000+

10 - 49 employees

Milton Keynes, England

Spinbox is a small web development company. They specialize in Web Development, E-Commerce Development, Custom Software Development, UX/UI Design, and more and were launched in 2007.
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Industries

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555

Crockwell Solutions

(0 Reviews)

Not yet reviewed.

$5,000+

2 - 9 employees

Farnham, England

Founded in 2020, Crockwell Solutions is a small software development company. Their services include Custom Software Development and cloud consulting & SI.
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556

Eastway Digital Media Ltd

(0 Reviews)

Not yet reviewed.

$1,000+

2 - 9 employees

Rochford, England

Eastway Digital Media Ltd is a small Digital Strategy company. They provide Digital Strategy and Conversion Optimization and were founded in 2023.
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Industries

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557

BrightMinded Ltd

(4 Reviews) 4.9

Timeliness
4.6

Service Excellence
5.0

Value
4.8

Would Recommend
5.0

$25,000+

10 - 49 employees

Hove, England

Small e-commerce development company BrightMinded Ltd, is headquartered in Hove, England. They specialize in E-Commerce Development, Other Application Development, and Web Development and were launched in 2011.
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Industries

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558

Bigger Picture

(6 Reviews) 5.0

Timeliness
5.0

Service Excellence
5.0

Value
5.0

Would Recommend
5.0

$10,000+

10 - 49 employees

Basingstoke, England

Founded in 2005, Bigger Picture is a web development agency that offers web development, web design, and UX/UI design services to their mid-market and small business clients. Their 50 employees are based out of offices in Katowice, Poland and Basingstoke, United Kingdom.

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Clients

Swiftpak

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559

Buffalo

(3 Reviews) 4.3

Timeliness
4.3

Service Excellence
4.0

Value
3.8

Would Recommend
4.3

$50,000+

10 - 49 employees

Brighton, England

Web development firm Buffalo was established in 2006. The company offers Web Development, Web Design, Branding, and E-Commerce Development and has a small team. The company is headquartered in Brighton, England.
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Clients

ESI

Industries

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560

Hypernuvo Ltd

(0 Reviews)

Not yet reviewed.

$10,000+

2 - 9 employees

Old Warden, England

Hypernuvo Ltd is a Digital Strategy company. They provide Digital Strategy and Other Digital Marketing and were launched in 2021.
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Industries

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561

Retain

(4 Reviews) 5.0

Timeliness
5.0

Service Excellence
5.0

Value
5.0

Would Recommend
5.0

$10,000+

2 - 9 employees

Brighton and Hove, England

Retain is a web development firm. The small Brighton and Hove, England-based company was established in 2019. Their services include Web Development, E-Commerce Development, and Web Design.
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Industries

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562

Creative Stack Ltd

(4 Reviews) 4.9

Timeliness
4.6

Service Excellence
4.8

Value
5.0

Would Recommend
4.9

Undisclosed

10 - 49 employees

Brighton, England

Creative Stack Ltd, a software development firm, is located in Brighton, United Kingdom. The small team offers custom software development, web development, mobile app development, e-commerce development, and more. The company was founded in 2010.

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563

Pivale

(0 Reviews)

Not yet reviewed.

$25,000+

2 - 9 employees

Bordon, England

Pivale is a Business Consulting company. The Bordon, England-based agency was founded in 2008. Their team specializes in Business Consulting and Web Design.
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Industries

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564

PODTECH

(0 Reviews)

Not yet reviewed.

$10,000+

10 - 49 employees

Milton Keynes, England

Founded in 2009, PODTECH is a small Milton Keynes, England-based IT strategy consulting company. Their team offers IT strategy consulting and Custom Software Development.
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Clients

Royal Bank of Scotland

Industries

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565

Rubber Cheese

(2 Reviews) 4.5

Timeliness
4.8

Service Excellence
4.5

Value
4.5

Would Recommend
4.5

$25,000+

2 - 9 employees

Cambridge, England

Founded in 2003, Rubber Cheese is a web design agency. The firm focuses on web design, web development, ux/ui design, and e-commerce development and has a small team. The firm is located in Sawbridgeworth, Essex, United Kingdom and Cambridge, United Kingdom.

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Industries

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566

Mass

(3 Reviews) 5.0

Timeliness
5.0

Service Excellence
5.0

Value
5.0

Would Recommend
5.0

$5,000+

2 - 9 employees

Battle, England

Mass is a Battle, United Kingdom-based software development company. The small company was launched in 2023. Their services include custom software development and ux/ui design.
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Clients

Lighthouse London

Industries

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567

Hodfords

(1 Reviews) 5.0

Timeliness
5.0

Service Excellence
5.0

Value
4.0

Would Recommend
5.0

$10,000+

50 - 249 employees

Brighton, England

Hodfords is a software development company established in 2000. Located in Hong Kong, Hong Kong; Da nang, Vietnam and Brighton, United Kingdom, their midsize team offers custom software development, web development, mobile app development, Artificial Intelligence, and more.
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Industries

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568

Freestyle Internet

(0 Reviews)

Not yet reviewed.

$5,000+

Freelancer employees

Bedford, England

Freestyle Internet, a website development firm, is located in Bedford, England. Launched in 2003, the team focuses on Web Development and Digital Strategy.
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569

Method & Class Ltd

(0 Reviews)

Not yet reviewed.

$10,000+

2 - 9 employees

Milton Keynes, England

Method & Class Ltd, an UX company, was founded in 2007. Based in Milton Keynes, England, the team offers UX/UI Design and Custom Software Development.
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Industries

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570

yannyWeb - Freelance Web Developer

(0 Reviews)

Not yet reviewed.

$1,000+

Freelancer employees

Shenley Brook End, England

Based in Shenley Brook End, England, yannyWeb - Freelance Web Developer is a website development company. The team provides Web Development and Web Design.
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