Top 100 Application Modernization Companies in England

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Top 100 Application Modernization Companies in England

The Best of March 2026

Looking for a top legacy modernization service in England?

Application modernization companies can help create new business value from existing applications. Finding the right company to partner with, however, can be an overwhelming process. 

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List of the Best England Enterprise Application Modernization Services

  • 151

    (0 Reviews)

    Not yet reviewed.

    $25,000+
    250 - 999 employees
    Bristol, England
    Software development firm Amdaris is based in Bristol, England and Dubai, United Arab Emirates. The team specializes in Custom Software Development and Enterprise App Modernization.
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  • 152

    (0 Reviews)

    Not yet reviewed.

    $10,000+
    10 - 49 employees
    London, England
    Digital Bricks is a small IT staff augmentation company in London, England and Kyiv, Ukraine. Their services include IT staff augmentation and Custom Software Development.
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  • 153

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Brighton and Hove, England
    UX design agency Catalyst IT was launched in 1997. The company provides UX/UI Design and Custom Software Development.
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  • 154

    (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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  • 155

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    London, England, England
    Founded in 2015, Billon SP. Z O.O. Is a Blockchain company. The agency offers Blockchain and Enterprise App Modernization, and is midsize.
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  • 156

    (0 Reviews)

    Not yet reviewed.

    $50,000+
    10 - 49 employees
    London, England
    Momin Solutions is a business intelligence company founded in 2010. The agency focuses on BI & big data consulting & SI and cloud consulting & SI, and is small.
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  • 157

    (0 Reviews)

    Not yet reviewed.

    $10,000+
    10 - 49 employees
    London, England
    Headquartered in Prague, Czech Republic and London, England, DX Heroes is a software development firm. The team provides Custom Software Development and IT strategy consulting.
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  • 158

    (0 Reviews)

    Not yet reviewed.

    $10,000+
    10 - 49 employees
    London, England
    E-done is an app development firm established in 2017. Based in Zaporizhzhia, Ukraine and New York, New York, the team offers Mobile App Development and Blockchain.
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  • 159

    (0 Reviews)

    Not yet reviewed.

    $10,000+
    250 - 999 employees
    Slough, England
    CoMakeIT is a Baarn, Netherlands-based Enterprise App Modernization company. Their services include Enterprise App Modernization and Custom Software Development.
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  • 160

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Aldermaston, England
    In Aldermaston, England, Voyager Networks is an IT managed services company. Their services include IT managed services and Enterprise App Modernization.
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  • 161

    (12 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.9

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    London, England
    Plexteq, a custom software development company, was established in 2014. Headquartered in Vinnytsia, Ukraine; Tallinn, Estonia and London, England, their midsize team provides Custom Software Development, Enterprise App Modernization, DevOps Managed Services, BI & big data consulting & SI, and more.
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  • 162

    (6 Reviews) 4.9

    Timeliness

    4.5

    Service Excellence

    4.8

    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. 

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    OKdo.com

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  • 163

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Birmingham , England
    Digital Rainbow Project Consultants is a small Birmingham , England-based custom software development company. The team specializes in Custom Software Development and Enterprise App Modernization.
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  • 164

    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    50 - 249 employees
    Orpington, England
    Located in Orpington, England and Hanoi, Vietnam, Sunrise Technology is a software development firm. Founded in 2009, the midsize team focuses on Custom Software Development, Web Development, Mobile App Development, IT staff augmentation, and more.
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  • 165

    (0 Reviews)

    Not yet reviewed.

    $25,000+
    250 - 999 employees
    London, England
    Pythian is a business intelligence company in Ottawa, Canada and San Francisco, California. They specialize in BI & big data consulting & SI and cloud consulting & SI and were launched in 1997.
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    Clients

    Fox Sports

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  • 166

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    Slough, England
    Softoo is an IT staff augmentation company. The Slough, England-based agency specializes in IT staff augmentation and Custom Software Development.
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    Clients

    Configure

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  • 167

    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    London, England
    Custom software development company Hardcastle GIS was launched in 2011. The team provides Custom Software Development and Application Testing.
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  • 168

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    London, England
    Cybersecurity company ONEiO is based in Helsinki, Finland and London, England. They specialize in Cybersecurity and IT managed services.
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  • 169

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    London, England
    Zemoso Technologies is a Farmers Branch, Texas-based software development firm. The team specializes in Custom Software Development and Enterprise App Modernization.
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  • 170

    (0 Reviews)

    Not yet reviewed.

    $250,000+
    1,000 - 9,999 employees
    London, England
    Infostretch is a large Application Testing company headquartered in Santa Clara, California and New York, New York. Their services include Application Testing and Enterprise App Modernization.
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  • 171

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Nottingham, England
    Launched in 2008, Webxcell Digital is a small software development firm headquartered in Nottingham, England. Their team focuses on Custom Software Development and AR/VR development.
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  • 172

    (0 Reviews)

    Not yet reviewed.

    $10,000+
    50 - 249 employees
    London, England
    Digiata is a custom software development firm founded in 2001. The firm offers Custom Software Development and Enterprise App Modernization.
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    Clients

    Vitality Discovery Insurance Allan Gray Old Mutual

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  • 173

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    London, England
    Solvership is a business intelligence company established in 2001. Based in Zagreb, Croatia and London, England, the team provides BI & big data consulting & SI and other IT consulting and SI.
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  • 174

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    London, England
    Squirro is a midsize Generative AI company. Founded in 2012, the team offers Generative AI and BI & big data consulting & SI.
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    Clients

    Bank of England OCBC Bank Standard Chartered Candriam

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  • 175

    (28 Reviews) 4.7

    Timeliness

    4.6

    Service Excellence

    4.7

    Value

    4.8

    Would Recommend

    4.9
    $10,000+
    250 - 999 employees
    Harrow, England
    Rishabh Software is a software development company. They are located in Vadodara, India; Harrow, England; San Jose, California and Bengaluru, India and have a midsize team. Their services include Custom Software Development, Digital Engineering, BI & big data consulting & SI, cloud consulting & SI, and more. The firm was established in 1999.
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    Clients

    Linde

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  • 176

    (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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  • 177

    (5 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.4

    Would Recommend

    4.7
    $25,000+
    1,000 - 9,999 employees
    St Albans, England
    FCamara is an user experience agency. Their large team is in São Paulo, Brazil; Leiria, Portugal; St Albans, England and Dubai, United Arab Emirates. Their services include UX/UI Design, IT strategy consulting, cloud consulting & SI, IT staff augmentation, and more. The firm was founded in 2006.
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    Clients

    Farfetch IPSOS Elfa Group BTG Pactual

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  • 178

    (4 Reviews) 4.3

    Timeliness

    3.9

    Service Excellence

    4.3

    Value

    4.5

    Would Recommend

    4.4
    Undisclosed
    1,000 - 9,999 employees
    London, England
    Intive is a large Enterprise App Modernization company. The Wrocław, Poland-based company was founded in 1999. Their team provides Enterprise App Modernization, UX/UI Design, Mobile App Development, Application Testing, and more.
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    Clients

    Audi BMW Pockit Tandem

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  • 179

    (0 Reviews)

    Not yet reviewed.

    $25,000+
    50 - 249 employees
    London, England
    Devtech Group is a custom software development company. The Novi Sad, Serbia-based agency specializes in Custom Software Development and Enterprise App Modernization.
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