Top 100 Software Development Companies in the United Kingdom

The Best of October 2026

Software development is essential in the modern world and continues to expand. All companies require an online presence, and establishing an attractive space on the internet is the initial move to remain competitive.

Jump to Most Reviewed Companies

List of the Best United Kingdom Software Developers

91

Devico

(15 Reviews) 5.0

Timeliness
4.9

Service Excellence
4.9

Value
5.0

Would Recommend
5.0

Undisclosed

50 - 249 employees

London, England

Devico is an IT outsourcing company specialising in fast-fill team augmentation. Founded in 2011, they have a wide talent pool that stretches across Ukraine, Poland, Slovakia, Hungary, Georgia and the UK. Services include custom software development, mobile app development, and web development.

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Clients

Abbott, Castrol, Soapbox, BP, Compass, Descript, Tipalti, Mimecast, XOLA, Mint, Arklign, Datasport, OpenRad, Vitus, GoodShape, CYDEF, Visbion, Moneygate

Industries

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92

Hiyield

(14 Reviews) 5.0

Timeliness
4.8

Service Excellence
4.9

Value
4.8

Would Recommend
5.0

$10,000+

10 - 49 employees

London, England

Founded in 2018, Hiyield is a web design agency. Their small team is headquartered in London, England; Truro, England and Bristol, England. Their team offers Web Design, UX/UI Design, Custom Software Development, Web Development, and more.
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Industries

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93

VTS Software

(5 Reviews) 4.8

Timeliness
4.7

Service Excellence
4.8

Value
4.6

Would Recommend
5.0

$25,000+

10 - 49 employees

Manchester, England

VTS Software is software development company located in Manchester, U.K. Since 2007, their small team of around 5 has been specializing in custom software, web, and mobile app development for small and mid-sized businesses alike. They have experience in a variety of industries such as advertising, healthcare, manufacturing, and business services.

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Clients

Whispering Smith

Industries

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94

One Beyond

(55 Reviews) 4.8

Timeliness
4.7

Service Excellence
4.8

Value
4.7

Would Recommend
4.9

$50,000+

250 - 999 employees

Farnborough, England

One Beyond is an UX design company. Their midsize team is headquartered in Farnborough, England; Madrid, Spain; Budapest, Hungary and Szeged, Hungary. The firm focuses on UX/UI Design, IT strategy consulting, cloud consulting & SI, IT staff augmentation, and more.
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Clients

Smith & Nephew

Industries

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95

Index.dev

(18 Reviews) 4.9

Timeliness
4.9

Service Excellence
4.8

Value
4.8

Would Recommend
4.8

$50,000+

50 - 249 employees

LONDON, England

Index.dev, a software development firm, was established in 2019. The midsize LONDON, United Kingdom-based team specializes in custom software development, web development, mobile app development, wearable app development, and more.
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Clients

Entrupy

Industries

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96

N-iX Games

(10 Reviews) 4.8

Timeliness
4.7

Service Excellence
4.5

Value
4.8

Would Recommend
4.9

$100,000+

50 - 249 employees

London, England

N-iX Games is a mobile app development firm. They are located in L'viv, Ukraine; Kyiv, Ukraine; Malmö, Sweden and North Miami Beach, Florida and have a midsize team. Their services include Mobile App Development, AR/VR development, UX/UI Design, and Custom Software Development. The firm was launched in 2012.
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Clients

Paradox Interactive

Industries

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97

Lumi Studio

(21 Reviews) 4.9

Timeliness
4.8

Service Excellence
4.9

Value
4.8

Would Recommend
5.0

$5,000+

10 - 49 employees

Edinburgh, Scotland

UX agency Lumi Studio was founded in 2020. They are in Edinburgh, Scotland and have a small team. Their services include UX/UI Design, Mobile App Development, Custom Software Development, IT strategy consulting, and more.
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Clients

OpenAI Anthemis YouMail JammJar

Industries

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98

Trembit

(16 Reviews) 4.9

Timeliness
4.8

Service Excellence
5.0

Value
4.9

Would Recommend
5.0

$10,000+

10 - 49 employees

London, England

In Kyiv, Ukraine; València, Spain and London, England, Trembit is a custom software development firm. The small firm was established in 2009. Their team specializes in Custom Software Development, Artificial Intelligence, AI Consulting, Mobile App Development, and more.
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Clients

Red5Pro.com Webprax Learnster Sirius

Industries

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99

hedgehog lab

(82 Reviews) 4.8

Timeliness
4.6

Service Excellence
4.7

Value
4.5

Would Recommend
5.0

$100,000+

50 - 249 employees

Newcastle upon Tyne, England

Hedgehog lab is a midsize mobile application development firm. They specialize in Mobile App Development, Artificial Intelligence, UX/UI Design, Custom Software Development, and more and were launched in 2007. The company is headquartered in Newcastle upon Tyne, England.
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Clients

Aviva AJ Bell Tesco Bank Under Armour

Industries

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100

Synetec

(20 Reviews) 4.9

Timeliness
4.8

Service Excellence
4.9

Value
4.7

Would Recommend
4.9

$25,000+

50 - 249 employees

London, England

Synetec, an AI development company, is located in London, England. They specialize in Artificial Intelligence, AI Consulting, Custom Software Development, and Web Development and were founded in 2009.
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Clients

Argentex

Industries

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101

EVOQINS

(9 Reviews) 4.8

Timeliness
4.8

Service Excellence
4.7

Value
4.7

Would Recommend
4.8

$10,000+

50 - 249 employees

Exeter, England

Founded in 2017, EVOQINS is an app development company. The company offers Mobile App Development, Custom Software Development, and Web Development and has a midsize team. The company is in Bengaluru, India; Muscat, Oman and Exeter, England.
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Clients

Qatar Foundation

Industries

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102

Mobcoder

(35 Reviews) 4.9

Timeliness
4.9

Service Excellence
4.9

Value
4.8

Would Recommend
4.9

$25,000+

50 - 249 employees

Cobham, England

Mobcoder is an AI company founded in 2014. Their midsize team is located in Seattle, Washington; Cobham, England; Ghaziabad, India and Burnaby, Canada. The agency specializes in Artificial Intelligence, IT staff augmentation, Custom Software Development, UX/UI Design, and more.
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Clients

General mills

Industries

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103

Unfold

(8 Reviews) 5.0

Timeliness
4.9

Service Excellence
4.9

Value
4.9

Would Recommend
5.0

$25,000+

2 - 9 employees

Bristol, England

Unfold, a custom software development company, was founded in 2018. In Bristol, England, their small team focuses on Custom Software Development, Web Development, UX/UI Design, Web Design, and more.
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Industries

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104

SDLC Corp

(17 Reviews) 5.0

Timeliness
4.9

Service Excellence
4.9

Value
4.9

Would Recommend
5.0

$10,000+

250 - 999 employees

Coventry, England

SDLC Corp is an AI development company. The Dubai, United Arab Emirates-based agency was launched in 2015. The midsize team focuses on Artificial Intelligence, Web Development, ERP consulting and SI, Custom Software Development, and more.
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Industries

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105

MagicFuse - Salesforce Development Company

(6 Reviews) 4.8

Timeliness
4.8

Service Excellence
4.9

Value
4.8

Would Recommend
4.8

$5,000+

50 - 249 employees

London, England

MagicFuse is a London, England-based CRM consulting and SI company. The firm provides CRM consulting and SI and Custom Software Development and is midsize.The firm was launched in 2019.
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Industries

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106

Phenomenon Studio

(52 Reviews) 5.0

Timeliness
5.0

Service Excellence
5.0

Value
4.9

Would Recommend
5.0

$10,000+

50 - 249 employees

London, England

Phenomenon Studio, an user experience design agency, was established in 2019. Located in Dover, Delaware; Chicago, Illinois; New York, New York and Los Angeles, California, their midsize team offers UX/UI Design, Web Development, Custom Software Development, Branding, and more.
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Clients

Wisdom iolo/RealDefense One Text Artisan

Industries

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107

Studio Graphene

(25 Reviews) 4.7

Timeliness
4.7

Service Excellence
4.7

Value
4.5

Would Recommend
4.8

$10,000+

50 - 249 employees

London, England

Custom software development firm Studio Graphene is based in London, England; Genève, Switzerland and Lisboa, Portugal. The firm provides Custom Software Development, Mobile App Development, Artificial Intelligence, UX/UI Design, and more and is midsize.The firm was launched in 2014.
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Clients

Diageo

Industries

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108

thoughtbot

(39 Reviews) 4.9

Timeliness
4.8

Service Excellence
4.9

Value
4.7

Would Recommend
5.0

$10,000+

50 - 249 employees

London, England

Thoughtbot, a web development firm, is located in New York, New York and London, England. They focus on Web Development, Mobile App Development, UX/UI Design, cloud consulting & SI, and more and were launched in 2003.
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Clients

Health Match 360

Industries

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109

Innovify

(23 Reviews) 4.7

Timeliness
4.6

Service Excellence
4.7

Value
4.8

Would Recommend
4.8

$25,000+

50 - 249 employees

London, England

Innovify is an AI Consulting company founded in 2011. The firm offers AI Consulting, Artificial Intelligence, Custom Software Development, Enterprise App Modernization, and more and has a midsize team.
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Clients

ARM INC

Industries

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110

5StarDesigners Ltd.

(17 Reviews) 4.9

Timeliness
4.9

Service Excellence
4.8

Value
4.8

Would Recommend
4.9

$10,000+

10 - 49 employees

London, England

5StarDesigners is a design agency founded in London in 2013 with more than 10 members. They are experts in UX/UI design, mobile app development, and custom software development solutions for small and medium-sized companies.

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Clients

Swike

Industries

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111

BSS Commerce

(5 Reviews) 5.0

Timeliness
4.9

Service Excellence
4.8

Value
5.0

Would Recommend
5.0

$5,000+

250 - 999 employees

London, England

E-commerce development company BSS Commerce is headquartered in Hanoi, Vietnam; Santa Monica, California; London, England and Singapore, Singapore. They focus on E-Commerce Development, IT strategy consulting, Web Development, Custom Software Development, and more and were established in 2012.
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Industries

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112

Unity Developers

(4 Reviews) 5.0

Timeliness
5.0

Service Excellence
5.0

Value
4.9

Would Recommend
5.0

$10,000+

10 - 49 employees

Bedford, England

Custom software development firm Unity Developers was launched in 2017. Their small team is located in Bedford, United Kingdom. Unity Developers offers custom software development, mobile app development, AR/VR development, product design, and more.
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Clients

SAP

Industries

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113

Zerocoder

(3 Reviews) 5.0

Timeliness
5.0

Service Excellence
5.0

Value
5.0

Would Recommend
5.0

$1,000+

1,000 - 9,999 employees

London, England

Zerocoder is a London, United Kingdom-based software development firm. The large firm was founded in 2023. Their services include custom software development, web development, mobile app development, web design, and more.

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Industries

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114

Theodo

(13 Reviews) 4.7

Timeliness
4.7

Service Excellence
4.7

Value
4.3

Would Recommend
4.7

$25,000+

10 - 49 employees

London, England

Theodo UK, founded in 2015, is a consultancy and digital development agency headquartered in London with an additional location in Paris. With a team of over 30 employees, they mainly provide mobile app development, web development, and custom software development services.

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Clients

Admiral

Industries

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115

CI&T

(7 Reviews) 4.7

Timeliness
4.3

Service Excellence
4.6

Value
4.3

Would Recommend
5.0

$100,000+

1,000 - 9,999 employees

London, England

CI&T (formerly CINQ Technologies) is software development company based in Curitiba, Brazil with additional offices in Brazil and Miami. Founded in 1992, the team of 271 specializes in custom software development, IT staff augmentation, and UX/UI design. They work primarily with enterprise clients in the transportation and financial services industries.

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Clients

SITA

Industries

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116

Boldheart

(12 Reviews) 5.0

Timeliness
4.9

Service Excellence
4.9

Value
5.0

Would Recommend
5.0

$50,000+

10 - 49 employees

London, England

Boldheart, a mobile application development firm, was founded in 2020. The agency specializes in Mobile App Development, Custom Software Development, UX/UI Design, IT strategy consulting, and more and has a small team. The agency is in Berlin, Germany; München, Germany; Zürich, Switzerland and Wien, Austria.
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Clients

Valora

Industries

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117

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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118

Inktrap

(4 Reviews) 4.8

Timeliness
5.0

Service Excellence
4.9

Value
4.6

Would Recommend
5.0

$10,000+

10 - 49 employees

London, England

Established in 2013, Inktrap is a small SEO agency. Their team focuses on search engine optimization, web design, advertising, ux/ui design, and more. The firm is based in London, United Kingdom.

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Clients

PwC Tysers

Industries

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119

Tech Alchemy

(33 Reviews) 5.0

Timeliness
4.9

Service Excellence
5.0

Value
4.9

Would Recommend
5.0

$25,000+

50 - 249 employees

London, England

Tech Alchemy is a software development studio based in London. Founded in 2016, they have around 150 employees who provide startups and small to medium-sized businesses with custom software development, blockchain development, and web & mobile app design and development. Services include prototyping, discovery, MVP development, and Web3 digital transformation

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Clients

Ocean Bottle

Industries

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120

Readysalted

(4 Reviews) 5.0

Timeliness
5.0

Service Excellence
5.0

Value
5.0

Would Recommend
5.0

$25,000+

10 - 49 employees

Newcastle upon Tyne, England

Readysalted Design Ltd, a web design agency, was founded in 2003. They are headquartered in Newcastle upon Tyne, United Kingdom and have a small team. Their services include web design, web development, mobile app development, print design, and more.

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Clients

Sage

Industries

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