Top 80 Software Development Companies in Slovenia

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Top 80 Software Development Companies in Slovenia

The Best of December 2025

Looking for a top software developer in Slovenia?

As the use of mobile and web apps rise, your business’s digital presence becomes even more important. The biggest challenge facing organizations is how they can keep up in the digital world. 

List of the Best Slovenia Software Developers

  • 1
    (14 Reviews) 4.9

    Timeliness

    4.6

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $25,000+
    10 - 49 employees
    Ljubljana, Slovenia
    Small software development firm higroup, is headquartered in Ljubljana, Slovenia and New York, New York. Launched in 2018, the team offers Custom Software Development, Web Development, UX/UI Design, Mobile App Development, and more.
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    Clients

    Medis d.o.o.

    Industries

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  • 2
    (20 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.5

    Would Recommend

    5.0
    $50,000+
    10 - 49 employees
    Ljubljana, Slovenia

    Kaldi IT is a custom software development and design firm based in Ljubljana, Slovenia. Founded in 2012, their team of about 30 serves clients in the advertising, marketing, and education sectors. Services include CMS development, programming, and UX.

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    Clients

    Each client we work with at the moment is our key client. Being client-centric

    Industries

  • 3
    (5 Reviews) 4.9

    Timeliness

    4.6

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    4.9
    $5,000+
    10 - 49 employees
    Ljubljana, Slovenia

    Positiva is a high-tech company founded in 2007. Their team of more than 10 employees provides custom software, e-commerce, and mobile app development solutions from their office in Ljubljana, Slovenia. They work with small and mid-market firms from a variety of industries.

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    Clients

    Salus

    Industries

  • 4
    (11 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    Ljubljana, Slovenia
    Zerodays is a small Ljubljana, Slovenia-based web development firm. They offer web development, custom software development, mobile app development, IoT development, and more and were established in 2021.
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    Industries

  • 5
    (10 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    Undisclosed
    10 - 49 employees
    Maribor, Slovenia
    Red Chameleon Web Agency is an e-commerce development company launched in 2013. Their small team is headquartered in Littleton, Colorado and Maribor, Slovenia and offers E-Commerce Development, Custom Software Development, and Web Development.
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    Industries

  • 6
    (6 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    4.8
    $50,000+
    2 - 9 employees
    Maribor, Slovenia
    PRIOT Digital Systems is a small custom software development company. They provide custom software development, web development, and IoT development and were launched in 2019.
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    Clients

    Sparkasse bank

    Industries

  • 7
    (8 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $25,000+
    50 - 249 employees
    Ljubljana, Slovenia
    Agiledrop - developers for agencies and in-house teams is an IT staff augmentation company headquartered in Ljubljana, Slovenia; Maribor, Slovenia and Celje, Slovenia. The midsize company was launched in 2013. Their team provides IT staff augmentation, Web Development, Custom Software Development, Artificial Intelligence, and more.
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    Clients

    Amazee Labs

    Industries

  • 8
    (9 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $25,000+
    10 - 49 employees
    Ljubljana, Slovenia

    Abelium is a high-tech company based in Ljubljana, Slovenia. The company, founded in 2009, has a team of around ten that provides custom software development, web development, IT strategy consulting, blockchain, logistics & supply chain consulting, digital strategy, UX/UI design, mobile app development, e-commerce development, AI, and business consulting services. Abelium serves mid-market and other-sized companies in various industries that include financial services, business services, IT, and consumer products & services industries.

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    Clients

    GoOpti

    Industries

  • 9
    (21 Reviews) 4.9

    Timeliness

    4.7

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    Ljubljana, Slovenia
    Calda is a Dover, Delaware-based user experience design company. The firm focuses on ux/ui design, custom software development, web development, and mobile app development and is small.The firm was established in 2022.
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    Industries

  • 10
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    4.8
    $1,000+
    2 - 9 employees
    Ljubljana, Slovenia
    Based in Ljubljana, Slovenia, SiWeb is a web design agency. The small firm was founded in 2004. Their team provides web design, custom software development, web development, e-commerce development, and more.
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    Industries

  • 11
    (21 Reviews) 4.9

    Timeliness

    4.7

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    5.0
    $100,000+
    50 - 249 employees
    Ljubljana - Črnuče, Slovenia

    Equaleyes Solutions is a software development company based in London with an additional location in Maribor, Slovenia. It was founded in 2011 and has more than 25 employees. The team offers web development, mobile app development, and custom software development services.

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    Clients

    minicabit
  • 12
    (1 Reviews) 4.0

    Timeliness

    5.0

    Service Excellence

    4.0

    Value

    4.0

    Would Recommend

    4.0
    $50,000+
    50 - 249 employees
    Ljubliana, Slovenia

    Setronica is a software engineering company based in Ljubljana, Slovenia, with offices in the US and Serbia. Founded in 2014, Setronica employs over 100 professionals. Services include custom software development, e-commerce solutions, DevOps services, and custom integrations.
     

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    Clients

    StaffSmart LLC.

    Industries

  • 13
    (6 Reviews) 4.9

    Timeliness

    5.0

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    5.0
    $25,000+
    2 - 9 employees
    Ljubljana, Slovenia
    Shape Labs, an user experience design company, was established in 2017. Their small team is in Ljubljana, Slovenia and Wien, Austria. Their services include UX/UI Design, Custom Software Development, AR/VR development, Product Design, and more.
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    Clients

    iDanceSocial

    Industries

  • 14
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    10 - 49 employees
    Ljubljana, Slovenia
    MMStudio is a software development firm. They are based in Ljubljana, Slovenia and have small team. They specialize in Custom Software Development and E-Commerce Development.
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    Industries

  • 15
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.5

    Would Recommend

    5.0
    $10,000+
    2 - 9 employees
    Mengeš, Slovenia
    WebZone, a software development firm, was founded in 2021. The small Mengeš, Slovenia-based team provides custom software development, web development, mobile app development, and e-commerce development.
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    Clients

    University of Maribor

    Industries

  • 16
    (3 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    Ljubljana, Slovenia
    Established in 2021, Devleet is a custom software development firm. They are headquartered in Ljubljana, Slovenia and have a small team. The firm offers custom software development, blockchain, web development, mobile app development, and more.
    Read More

    Industries

  • 17
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Maribor, Slovenia
    Solve-X is a custom software development company headquartered in Maribor, Slovenia and Maribor, Slovenia. The team focuses on Custom Software Development and Mobile App Development.
    Read More

    Industries

  • 18
    (1 Reviews) 5.0

    Timeliness

    4.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Maribor, Slovenia

    Founded in 2019, Clover is a development firm. Their team is based in Maribor, Slovenia, with an additional office in Ljubljana, Slovenia. They focus on e-commerce, web, and mobile app development.

    Read More

    Clients

    Bar Media

    Industries

  • 19
    (8 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    Ljubljana, Slovenia
    Indigo Labs d.o.o. Is a small artificial intelligence company located in Ljubljana, Slovenia and Stockholm, Sweden. They focus on Artificial Intelligence, Custom Software Development, Web Development, E-Commerce Development, and more and were founded in 2021.
    Read More
  • 20
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    Ljubljana, Slovenia
    Alpdev is a big data analytics company launched in 2025. Their small team is based in Ljubljana, Slovenia. Their services include BI & big data consulting & SI, cloud consulting & SI, Custom Software Development, Web Development, and more.
    Read More
  • 21
    (0 Reviews)

    Not yet reviewed.

    $25,000+
    10 - 49 employees
    Ljubljana, Slovenia
    Established in 2015, Hudlajf is a small custom software development company located in Ljubljana, Slovenia. Their team offers Custom Software Development.
    Read More

    Industries

  • 22
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Maribor, Slovenia
    U-centrix d.o.o., a website development firm, was established in 2015. They specializes in Web Development and Custom Software Development.
    Read More

    Industries

  • 23
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    Ljubljana, Slovenia
    Cosylab, a midsize custom software development company, is in Ljubljana, Slovenia and Menlo Park, California. Their services include Custom Software Development and UX/UI Design.
    Read More

    Industries

  • 24
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    Portorož, Slovenia
    DigicS is a software development company. The small Portorož, Slovenia-based team specializes in Custom Software Development and Enterprise App Modernization. The agency was launched in 2019.
    Read More

    Industries

  • 25
    (0 Reviews)

    Not yet reviewed.

    $50,000+
    50 - 249 employees
    Ljubljana, Slovenia
    Agitavit Solutions, a software development firm, was founded in 2003. The company provides Custom Software Development and Mobile App Development, and is midsize.
    Read More

    Industries

  • 26
    (0 Reviews)

    Not yet reviewed.

    $50,000+
    50 - 249 employees
    Ljubljana, Slovenia
    Ascalab Ltd is a software development company located in Ljubljana, Slovenia. The team offers Custom Software Development and Web Development.
    Read More
  • 27
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Slovenske Konjice, Slovenia
    Located in Slovenske Konjice, Slovenia, Norik systems is a software development firm. Established in 2005, the team offers Custom Software Development.
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    Clients

    Magna Auteca Gmbh, Klagenfurt Austria
  • 28
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Ljubljana, Slovenia
    Comtrade 360 is a software development firm. The Boston, Massachusetts-based company was launched in 1997. Their services include Custom Software Development and DevOps Managed Services.
    Read More
  • 29
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    2 - 9 employees
    Ljubljana, Slovenia
    Vabisabi is a custom software development firm. Established in 2023, the agency offers Custom Software Development and UX/UI Design.
    Read More
  • 30
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    Ptuj, Slovenia
    Nimbis is a Ptuj, Slovenia-based custom software development firm. Their services include Custom Software Development and IT managed services.
    Read More

    Industries

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