Top 100 IT Services Software Development Companies

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Top 100 IT Services Software Development Companies

The Best of December 2025

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Software developers own the process of transforming data into an organized structure for a product such as a mobile app or website. As you tackle complex development projects to grow your business, you'll need the right partner for your needs. 

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List of the Best Tech Custom Software Developers

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  • 10351

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    Undisclosed
    50 - 249 employees
    Cluj-Napoca, Romania
    Established in 2011, Sim Soft Distribution is a software development company. The agency offers Custom Software Development.
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  • 10352

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    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Cluj-Napoca, Romania
    Software development firm msg systems Romania focuses on Custom Software Development and Business Consulting. They were established in 2008.
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  • 10353

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    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Cluj-Napoca, Romania
    Custom software development firm SHE Informationstechnologie AG was founded in 1987. The team provides Custom Software Development and IT managed services.
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  • 10354

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    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Founded in 2016, Hypersistence Optimizer is a small Cluj-Napoca, Romania-based software development company. Their services include Custom Software Development.
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  • 10355

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    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Established in 1982, Graitec Ltd. Is a software development company. Their team offers Custom Software Development and IT managed services.
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  • 10356

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    Not yet reviewed.

    $10,000+
    10 - 49 employees
    Yerevan, Armenia
    FamBox is a custom software development firm. Established in 2014, the firm offers Custom Software Development and Web Development.
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  • 10357

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    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Bozhou Shi, China
    Anhui Jinyun Network Information Technology Service Co., Ltd. Is a Bozhou Shi, China-based software development company. Their services include Custom Software Development and Logo.
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  • 10358

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    Not yet reviewed.

    $75,000+
    50 - 249 employees
    Hefei, China
    CereSoft (Hefei) Information Technology Co., Ltd. Is a software development company established in 2003. The firm specializes in Custom Software Development and IT strategy consulting, and is midsize.
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  • 10359

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    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Reston, VA
    Aspex is a big data company and software development company launched in 1995. The company specializes in BI & big data consulting & SI and Custom Software Development, and is small.
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  • 10360

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    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Beijing, China
    Beijing Chuangyi Times Technology Co., Ltd. Is a software development company. The team is located in Beijing, China, and their services include Custom Software Development.
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  • 10361

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Qing Dao Shi, China
    Qingdao Sun Valley Information Technology Service Co., Ltd. Is a software development company. Based in Qing Dao Shi, China and Qing Dao Shi, China, their team provides Custom Software Development.
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  • 10362

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Sofia, Bulgaria
    MarchFirst is a software development firm. They are headquartered in Sofia, Bulgaria and Bonn, Germany and have small team. They offer Custom Software Development and IT staff augmentation.
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  • 10363

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    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Madrid, Spain
    Grupo Answer is a custom software development company. The Madrid, Spain-based firm provides Custom Software Development and Web Design.
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  • 10364

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    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Kingston, Jamaica
    Particular Presence Technologies is a software development company. Launched in 2014, their team provides Custom Software Development and Application Testing.
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  • 10365

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Köln, Germany
    Millepondo Services is a software development company and web development firm. Their small team is located in Köln, Germany. Their services include Custom Software Development and Web Development.
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  • 10366

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Karlsruhe, Germany
    Founded in 1981, CONET ISB GmbH is a software development firm. The midsize team specializes in Custom Software Development and IT strategy consulting.
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  • 10367

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Klagenfurt am Wörthersee, Austria
    Launched in 2004, trinitec IT Solutions & Consulting GmbH is a software development firm. The small team provides Custom Software Development and E-Commerce Development.
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  • 10368

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    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Louisville, KY
    Sypher Technology, Inc. Is a software development company. Established in 2003, the company is in Louisville, Kentucky. Their services include Custom Software Development.
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  • 10369

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Harrisonville, MO
    Established in 2017, Maazsoft is a custom software development firm. The agency offers Custom Software Development and Web Development, and is small.
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  • 10370

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    London, England
    S3M Security is a London, England-based Cybersecurity and software development firm. They provide Cybersecurity and Custom Software Development and were founded in 2016.
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  • 10371

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Custom software development company Clear IT Solutions was established in 2021. The small team specializes in Custom Software Development.
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  • 10372

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Glenwood, IL
    Established in 2020, JabPerf Corp, a small software development firm, is in Glenwood, Illinois. Their team focuses on Custom Software Development.
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  • 10373

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Northside Systems is a custom software development firm. The small Chicago, Illinois-based team offers Custom Software Development and BI & big data consulting & SI. The company was founded in 2020.
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  • 10374

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Chicago, IL
    Based in Chicago, Illinois, DoTEnvY is a small software development firm. Their services include Custom Software Development and Mobile App Development.
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  • 10375

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Buenos Aires, Argentina
    RH+Tecnología is a midsize Miami, Florida-based custom software development company. The team provides Custom Software Development and CRM consulting and SI.
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  • 10376

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Boynton Beach, FL
    Infiniteq Systems Oy is a custom software development firm located in Boynton Beach, Florida and Tampere, Finland. The team offers Custom Software Development and Artificial Intelligence.
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  • 10377

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Established in 2009, CM2 Software is a software development firm. The small team offers Custom Software Development.
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  • 10378

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    Freelancer employees
    Chester, MD
    Anyware, LLC is a custom software development firm. Based in Chester, Maryland, their team offers Custom Software Development and ECM consulting and SI.
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  • 10379

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Crestview, FL
    DBWebCreation is a software development firm. Located in Crestview, Florida, their small team provides Custom Software Development and Web Design. The company was founded in 2006.
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  • 10380

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    Seattle, WA
    Cloud consulting & SI company F5 was established in 1996. The team specializes in cloud consulting & SI and Custom Software Development and is in Seattle, Washington and Billerica, Massachusetts.
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