Top 100 JavaScript Development Companies in Sofia

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Top 100 JavaScript Development Companies in Sofia

The Best of April 2025

Looking for a top JavaScript developer in Sofia?

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. 

Jump to Most Reviewed Companies

List of the Best Sofia JavaScript Developers

  • 1
    (23 Reviews) 5.0

    Timeliness

    4.6

    Service Excellence

    4.9

    Value

    4.7

    Would Recommend

    5.0
    $100,000+
    250 - 999 employees
    Sofia, Bulgaria
    Arcanys is a software development firm based in Cebu City, Philippines; Sofia, Bulgaria and Camberwell, Australia. Established in 2010, the midsize team provides Custom Software Development, Web Development, Artificial Intelligence, and IT staff augmentation.
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    Clients

    General Electric Korea

    Industries

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  • 2
    (37 Reviews) 4.8

    Timeliness

    4.6

    Service Excellence

    4.7

    Value

    4.3

    Would Recommend

    4.9
    $50,000+
    1,000 - 9,999 employees
    Sofia, Bulgaria
    Sigma Software Group is a software development company located in L'viv, Ukraine; New York, New York; Saratoga, California and Bellevue, Washington. Launched in 2002, the large team focuses on Custom Software Development, Mobile App Development, Web Development, BI & big data consulting & SI, and more.
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    Clients

    Volvo

    Industries

  • 3
    (26 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.6

    Would Recommend

    5.0
    $50,000+
    250 - 999 employees
    Sofia, Bulgaria
    Software development company Dreamix was launched in 2007. Headquartered in Sofia, Bulgaria and Cirencester, England, their midsize team offers Custom Software Development, IT staff augmentation, Web Development, IT strategy consulting, and more.
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    Clients

    VistaJet

    Industries

  • 4
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    Sofia, Bulgaria

    EditCreation is a software company founded in 2011 with fewer than 10 experts. Based in Sofia, Bulgaria, they offer custom software, web, and mobile app development solutions for small and mid-market firms in the fields of arts, gambling, and other industries.

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    Clients

    Jamadvice

    Industries

  • 5
    (34 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    5.0
    $10,000+
    250 - 999 employees
    Sofia, Bulgaria
    Accedia is a midsize software development company. Established in 2012, the team provides Custom Software Development, Web Development, Artificial Intelligence, Cybersecurity, and more. The firm is based in Sofia, Bulgaria; Boston, Massachusetts and San Francisco, California.
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    Clients

    Alexander Forbes

    Industries

  • 6
    (23 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Sofia, Bulgaria

    Small website development company Creative Corner, is headquartered in Sofia, Bulgaria. The team offers web development, web design, and branding.

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    Clients

    Vedra Interntaional

    Industries

  • 7
    (29 Reviews) 4.7

    Timeliness

    4.8

    Service Excellence

    4.7

    Value

    4.7

    Would Recommend

    4.9
    $50,000+
    1,000 - 9,999 employees
    Sofia, Bulgaria
    Coherent Solutions, an artificial intelligence firm, was established in 1995. In Minneapolis, Minnesota; Sofia, Bulgaria; Vilnius, Lithuania and București, Romania, their large team provides Artificial Intelligence, Custom Software Development, Web Development, cloud consulting & SI, and more.
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    Clients

    WEX Wildflower Health MTS Systems MarketWise

    Industries

  • 8
    (13 Reviews) 4.7

    Timeliness

    4.6

    Service Excellence

    4.7

    Value

    4.6

    Would Recommend

    5.0
    $25,000+
    10 - 49 employees
    Sofia, Bulgaria

    Despark is a digital agency headquartered in London with an office in Sofia, Bulgaria.  Since 2007, the team of about 40 has provided expertise in web development, mobile app development and UX/UI design. Despark focuses on clients in various industries including healthcare, financial services and consumer products.

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    Clients

    UNIQA

    Industries

  • 9
    (24 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Sofia, Bulgaria

    Founded in 2017, Lexis Solutions is located in Sofia, Bulgaria. Their team of about ten specialists provides web & mobile development and custom software development services to primarily midmarket firms and startups. 

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    Industries

  • 10
    (22 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.9
    $5,000+
    10 - 49 employees
    Sofia, Bulgaria

    Launched in 2016, Weband is a website development company. The company provides web development, web design, custom software development, and ux/ui design and has a small team. The company is based in Sofia, Bulgaria and Edinburgh, United Kingdom.

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    Clients

    Unicef

    Industries

  • 11
    (58 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    Sofia, Bulgaria

    ExpandX is a web services provider and digital marketing agency headquartered in Sofia, Bulgaria. It also has locations in London, New York, Munich and Barcelona. The company was founded in 2015 serving clients globally with projects of different sizes and niches. ExpandX provides web development services, e-commerce solutions, social media marketing, PPC, web design, video marketing, and other related digital services.

    Read More

    Clients

    High Touch Investment Corp Inc (USA)

    Industries

  • 12
    (39 Reviews) 4.7

    Timeliness

    4.6

    Service Excellence

    4.7

    Value

    4.5

    Would Recommend

    4.6
    $50,000+
    1,000 - 9,999 employees
    Sofia, Bulgaria

    From Minneapolis, Minn., MentorMate has expanded to Sweden and Bulgaria. Founded in 2001, MentorMate is a custom software development company that also has experience in strategic consulting, cloud services, and Internet of Things (IoT).

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    Clients

    AstraZeneca

    Industries

  • 13
    (5 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    4.9
    $25,000+
    10 - 49 employees
    Sofia, Bulgaria

    App Streams Ltd is a web development firm. Headquartered in Sofia, Bulgaria, their small team focuses on web development, mobile app development, application testing, ux/ui design, and more. The company was launched in 2018.

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    Clients

    CarsCentral

    Industries

  • 14
    (13 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    2 - 9 employees
    Sofia, Bulgaria
    Headquartered in Sofia, Bulgaria, ThinkWeb is a website development firm. The firm specializes in Web Development, Custom Software Development, E-Commerce Development, AR/VR development, and more and is small.The firm was established in 2009.
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    Industries

  • 15
    (7 Reviews) 4.9

    Timeliness

    4.7

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    Sofia, Bulgaria

    Sofyma is a digital development agency that was founded in 2009 and is based in Sofia, Bulgaria. They have eight employees specializing in website design and development, website hosting and security, digital consulting, and internet marketing, SEO and SEM. They work with small and midmarket businesses, generally in advertising, finance and business services.

    Read More

    Clients

    XING SE

    Industries

  • 16
    (15 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    4.9
    $25,000+
    50 - 249 employees
    Sofia, Bulgaria

    Resolute Software is a software engineering and consulting company located in Lawrenceville, Ga. Founded in 2019, they currently have about 18 employees. They provide custom software development, IT strategy consulting, and cloud consulting and Si services to primarily midmarket firms and enterprises.

    Read More

    Clients

    Progress

    Industries

  • 17
    (5 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Sofia, Bulgaria
    Web Motion is a Sofia, Bulgaria-based software development firm. The small firm was founded in 2009. Their services include custom software development, web development, mobile app development, and Artificial Intelligence.
    Read More

    Industries

  • 18
    (7 Reviews) 4.9

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.6

    Would Recommend

    4.9
    $10,000+
    10 - 49 employees
    Sofia, Bulgaria

    Bulcode is a computer software company based in Sofia, Bulgari. Founded in 2016, they employ nine staff who provide a full suite of Drupal services for small and large companies. These services include website development, digital consulting, and support with security and hosting.

    Read More

    Industries

  • 19
    (8 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Sofia, Bulgaria

    Looming Tech, an app development company, is located in Sofia, Bulgaria and London, United Kingdom. The agency offers mobile app development, web development, custom software development, e-commerce development, and more and has a small team.The agency was founded in 2020.

    Read More

    Clients

    Lyst (http://lyst.co.uk/) Which (http://which.co.uk/) Imray Laurie Norie & Wilson (http://imray.com/) Hintsa (https://www.hintsa.com/)

    Industries

  • 20
    (7 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    Sofia, Bulgaria

    MTR Design, established in 2005, is a web development firm based in Sofia, Bulgaria. It has about 15 employees. MTR design specializes in web development, but also provides artificial intelligence, web design, and custom software design.

    Read More

    Clients

    Pfizer
  • 21
    (14 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    Sofia, Bulgaria

    Fundamental Studio Ltd. Is a small software development company established in 2016. Their services include custom software development, web development, web design, branding, and more. The agency is headquartered in Sofia, Bulgaria.

    Read More

    Clients

    Intellect - Schools of languages

    Industries

  • 22
    (17 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.9
    $25,000+
    10 - 49 employees
    Sofia, Bulgaria

    Qualifast is a software agency based in Sofia, Bulgaria, and founded in 2017. With more than two experts, they specialize in custom software, web, and mobile app development solutions for small and mid-market firms alike in the fields of consumer products and financial services.

    Read More

    Clients

    Hopper

    Industries

  • 23
    (9 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $25,000+
    10 - 49 employees
    Sofia, Bulgaria

    Infoleven is a web and app development company founded in 2015. Based in Sofia, Bulgaria and Munich Germany, they have a team of around 30 employees. Their services mainly focus on custom software development, web development, and ERP consulting & SI. 

    Read More

    Clients

    Hubert Burda Media

    Industries

  • 24
    (4 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $25,000+
    2 - 9 employees
    Sofia, Bulgaria
    Softaware Ltd. Is a website development company headquartered in Sofia, Bulgaria. The small agency was launched in 2021. Their team specializes in web development, mobile app development, and blockchain.
    Read More

    Industries

  • 25
    (12 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.4

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    Sofia, Bulgaria
    DevriX is a Digital Strategy company launched in 2010. Their midsize team is headquartered in Sofia, Bulgaria and New York, New York and specializes in Digital Strategy, Web Design, Web Development, Marketing Strategy, and more.
    Read More

    Clients

    Audi X-Pole Unblu Arms Directory

    Industries

  • 26
    (9 Reviews) 4.9

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.7

    Would Recommend

    4.9
    $1,000+
    10 - 49 employees
    Sofia, Bulgaria

    Bulgarian Software House (BSH) is a software service provider based in Sofia, Bulgaria. The company, founded in 2000, has a team of more than 20 that provided Unified Communications Consulting & SI, custom software development, enterprise app modernization, web development, and cloud consulting & SI services. BSH serves mid-market and enterprise-sized companies in the financial services, medical, and telecommunications industries.

    Read More

    Clients

    Societe Generale Expressbank

    Industries

  • 27
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    4.8
    $50,000+
    50 - 249 employees
    Sofia, Bulgaria

    Established in 2003, Quanterall is a blockchain company. The agency provides blockchain, custom software development, IoT development, mobile app development, and more and has a midsize team. The agency is in Sofia, Bulgaria.

    Read More

    Clients

    SAP

    Industries

  • 28
    (17 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.9

    Would Recommend

    4.9
    $5,000+
    250 - 999 employees
    Sofia, Bulgaria

    Founded in 2010, Mediapark Group is a development company headquartered in Vilnius, Lithuania. Mediapark Group also has locations in Kaunas, Lithuania; Minsk, Belarus; and Kaliningrad, Russia. Mediapark Group's team of around 75 employees focuses on web development, mobile app development, and custom software development, primarily for small and midmarket clients.

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    Clients

    BASF

    Industries

  • 29
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    Sofia, Bulgaria

    Branding agency Brandly Collective is in Sofia, Bulgaria and New York, New York. The company specializes in branding, web design, web development, and ux/ui design and is small.The company was launched in 2018.

    Read More

    Industries

  • 30
    (7 Reviews) 4.8

    Timeliness

    4.4

    Service Excellence

    4.5

    Value

    4.9

    Would Recommend

    4.9
    $25,000+
    10 - 49 employees
    Sofia, Bulgaria

    Code Runners is a software development firm founded in 2012 in Sofia, Bulgaria, with another location in Amsterdam, the Netherlands. The firm has about 40 employees. Code Runners specializes in custom software development, but also provides web development. Many of the firm's clients are in the advertising and marketing industry. 

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    Clients

    Pfizer

    Industries

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