Looking for a top C Sharp software development company in Bulgaria?

The programming language C Sharp (C#), is general-purpose and used for web and mobile apps. It has a number of advantages: It's object-oriented, has automatic garbage collection, functions across platforms, has backward compatibility, and integrates well with other platforms and services.

To assist you in your search for a partner, we’ve compiled this list of the top C# developers in Bulgaria. Browse descriptions, feedback, and awards to find which can best suit your company’s needs. If you need more support, tell us about your project, and we'll match you with recommended companies.

List of the Best Bulgaria C Sharp (C#) Software Development Companies

  • 1
    $50,000+
    1,000 - 9,999 Employees
    Varna Bulgaria

    Infopulse is a digital software company based in Kyiv, Ukraine with additional offices in Israel, Germany, France, and the U.S. Since 1991, their team of more than 1,000 employees offers custom software development, web development, IT strategy consulting, mobile development and app testing services. They usually work with mid-sized clients in the information technology industry.

    Clients
    A2B.Direct
    American Chamber of Commerce in America
    BICS
    British American Tobacco
    Industries
    Notable Project

    Infopulse designed and developed a mobile application for an Olympic committee within a tight timeline. The app included functionalities that allowed video content sharing and scheduling information.

    “Their openness, professionalism, attentiveness, and responsibility are what’s most impressive about them.” – Marketing Manager, Olympics Committee

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  • 2
    $10,000+
    50 - 249 Employees
    Sofia Bulgaria

    BGO Software is a Bulgarian software design company that has offices in Sofia, Plovdiv, and London, U.K. Established in 2008, the company employs a team of 73 who specialize in software and mobile app development. 

    Clients
    Aura FX
    Unimasters Logistics
    Health Research Authority
    The Respons Group
    Industries
    Notable Project

    BGO Software partnered with a health organization to build a new web-based platform using Microsoft Stack. The platform was a management system that allowed users to track their workflow. After developing the platform, the team integrated it with the client's internal SQL server. The former client was impressed with the team's flexibility and professionalism.

    "BGO have always delivered admirable flexibility, where it is almost like a partnership, and their need to succeed is as great as ours." - Manager, Health Organization

  • 3
    $50,000+
    50 - 249 Employees
    Sofia Bulgaria

    Melon is a software development agency that has offices in Sofia, Bulgaria and Skopje, Macedonia. Since 2003, the agency and its team of about 155 have specialized in web development and mobile app development, but also provide custom software development, app testing, and IT strategy consulting. Melon works primarily with midmarket businesses 

    Clients
    TimeHeroes
    Bookatable
    NIF
    Telenor
    Notable Project

    Melon provided software development for a mobile gaming platform. The client was extremely pleased with Melon's communication and project management.

    "They [Melon] have developed a countless number of features on the platform, and I have been mostly satisfied with their work." - Founder, Mobile Gaming Platform

  • 4
    $25,000+
    50 - 249 Employees
    Plovdiv Bulgaria

    New Line Technologies is a software company of 86 employees, founded in 2009. They are headquartered in Kharkiv, Ukraine, with secondary locations in Plovdiv, Bulgaria, and Atlanta. They provide mobile app development, web development, and custom software development. They serve small and midmarket businesses in the arts, business, financial, media, and education industries.

    Clients
    Pizza Hut
    Axiom Medical
    Cinamaker
    SocialPutts
    Industries
    Notable Project

    New Line Technologies partnered with a mobile app publisher to create a video maker app. This app is usable across iOS, Android, Windows, and Mac OS platforms. They are currently working on a product roadmap for the client. The client is pleased with their skilled work.

    “I’m very impressed with them. They seem down-to-earth and humble and have an incredible work ethic.” – CEO, Mobile App Publisher
     

  • 5
    $5,000+
    10 - 49 Employees
    Sofia Bulgaria

    Founded in 1998, Nevron Software provides expert services in big data consulting, web development, and custom software development. The team of over 10 specialists works out of offices in Wilmington, DE, and Bulgaria. The agency supports notable clients across major industries such as government, business services, and information technology.

    Clients
    Dell
    LG
    Cisco
    MetLife
    Industries
    Notable Project

    Nevron Software provided development and design services for a consultancy firm. They spearheaded the majority of management and tasks for a special interest project. Throughout the engagement, both party experienced virtually zero complications. The client firm was impressed with Nevron's code, reliability, as they went above and beyond and continue to provide excellent ongoing support.

    "The quality of Nevron Software's work is leaps and bounds above everything else I’ve come across." –Independent Consultant, Consultancy Firm

  • 6
    $10,000+
    50 - 249 Employees
    Русе Bulgaria

    Areus Development is a software development offshoring firm based in Bucharest, Romania. Established in 2014, the Areus Development team consists of 9 employees that provide solutions like custom software development, mobile development for Android and iOS, IT managed services, testing, and DevOps support.

    Clients
    Enea Services
    NNC Services
    Bibsma
    DataView
    Industries
    Notable Project

    Areus developed a unique location-enabled mobile application for a Romanian consulting firm. The firm's end-client was a conservation organization that focuses on protecting Romania's natural resources and wildlife, and the app enabled users to track environmental activity throughout the country. Areus successfully delivered the project to the end-client's satisfaction, and the consultancy considered it a particularly smooth partnership.

    "Areus Development was deeply involved in the project and came up with many good ideas that we hadn't thought about during development." - Business Development Manager, Consulting Firm

  • 7
    $25,000+
    250 - 999 Employees
    Sofia Bulgaria

    Prime Holding JSC is a software development company founded in 2013. Based in Sofia, Bulgaria, their team of over 250 engineers services mostly midmarket and enterprise companies. They specialize in industries like financial services, IT, and business services. They offer custom software development, enterprise app modernization, and CRM consulting and SI services.

    Clients
    HiCash
    SizeCatch
    Modern Money
    Algo Store
    Industries
    Notable Project

    Prime Holding JSC provided web development and data migration services to an e-learning platform. The team created web applications that stream audio, video, and voice, using HTML5 and WebRTC. The team meets and exceeds expectations. 

    “Essentially, we have never had a situation where our team could not do what was needed within the timeframe that was needed.” — Chief of Innovation, E-Learning Platform

  • 8
    $1,000+
    10 - 49 Employees
    Sofia Bulgaria

    MaxSoft is an IT firm based in Sofia, Bulgaria. Founded in 1991, MaxSoft has a team of 43 that offers web, custom software, and mobile app development. They primarily work with companies in the strata management, education, and general payment industries.

    Clients
    Secura Insurance
    Capitol Insurance
    Developing Software Innovations
    Accident Fund
    Notable Project

    A software firm hired MaxSoft to integrate a payment solution for a third-party client that connected an ERP system to an online store. The team created a complex platform that linked the store to customers' wallets. This allowed users to review transactions and recharge their accounts. The software firm applauded MaxSoft's exceptional project management and technical experience.

    "They are a professional company. They have 20 years of experience in IT solutions management, development, design, and consultation." - Project Manager, Software Firm

  • 9
    $5,000+
    50 - 249 Employees
    Plovdiv Bulgaria

    Uran Company is a development agency headquartered in Denver, Colo. with offices in Bulgaria and Ukraine. The team of about 40 specializes in web development, custom software development and mobile app development. Since 2006, Uran Company has been working with various clients in different industries including advertising, education and financial services.

    Clients
    Smart Kids
    TravelPlan
    Subaru
    The Go Game
    Industries
    Notable Project

    A network solutions firm needed a mobile application for one of its clients. Uran Company created an efficient, user-friendly platform, despite having a strict timeline. The app was created for Android but will be available for iOS in the future. 

    "The team [at Uran Company] understood how to make the right translation, and present it how we wanted it to be." - Senior Technical Officer, Network Solutions Firm

  • 10
    Undisclosed
    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.

    Clients
    Societe Generale Expressbank
    Microsoft Bulgaria
    ING
    Actavis
    Industries
    Notable Project

    An insurance company hired Bulgarian Software House (BSH) to develop a single-sign-on solution that provides a secure mechanism to incorporate the existing internal network applications into the SharePoint 2013 based extranet portal. BSH analyzed the company's requirements, and then designed and developed the software, providing an agile approach of delivery, which elaborated and scaled the company's initial RFP. They completed the project and met all of the company's expectations.

    "As a partner BSH were very easy to work with. They are professionals who managed to set high expectations and delivered on their promises." - Head of Project Management Office, Insurance Company

  • 11
    $1,000+
    10 - 49 Employees
    Plovdiv Bulgaria

    Elders Ltd. is a development agency based in Plovdiv, Bulgaria. Their team of over 10 employees serves firms of all sizes in industries such as advertising, IT, media, and e-commerce. Founded in 2016, they offer custom software, mobile app, e-commerce, and wearable app development services.

    Clients
    MarketVision
    One Big Splash
    Liturgical Press
    MemberTEK
    Industries
    Notable Project

    Elders Ltd. provided mobile app development for a communications platform company. The team also designed the new iOS and Android platforms. They produced high-quality work. 

    "They were extremely professional and they knew what they were doing." — Software Development Manager, Communications Platform

  • 12
    $1,000+
    50 - 249 Employees
    Sofia Bulgaria

    Accedia is a professional IT services company founded in 2012 with offices in Sofia, Bulgaria; Boston, Mass.; and San Francisco, Calif. Its team numbers more than 150 professionals, specialized in technology consulting, agile software development, and implementation of end-to-end IT solutions. Accedia’s clients are technology startups, small and mid-sized enterprises, and large enterprise businesses engaged in banking, finance and insurance, and manufacturing, among other industries.

    Clients
    Meetzoo
    IBM
    Malengo
    GemSeek
    Industries
    Notable Project

    A tech startup contracted Accedia to develop performance enhancements and new functionalities for their native iOS app. The project involved legacy code refactoring and the use of Objective C and NodeJS for simplified future app maintenance and fast and scalable iOS development respectively. The app ensured ease and convenience for the users.

    "Accedia clearly has great competencies, between the technical side, the commercial side, and the project management. Each of these is done professionally and efficiently." — CEO, Tech Startup

  • 13
    $25,000+
    50 - 249 Employees
    Plovdiv Bulgaria

    Founded in 2016, CodeCoda Ltd. is a development company based in Plovdiv, Bulgaria with a secondary location in Dublin. They have a team of 17 employees who provide custom software development, web development, mobile app development, and e-commerce development services. They work with midmarket and small businesses in the business services, consumer product, and financial services industries.

    Clients
    OU INTL Ltd
    Industries
    Notable Project

    CodeCoda partnered with a hotel booking application to provide JavaScript development and API support to help with the influx of calls the client receives at one single time. They worked to improve the management features, which were successful.

     "CodeCoda continually delivers high-quality code on time or even faster than we expect. I can trust their team to know what they’re doing and to seek clarity when our instructions are vague or incomplete. We’re not getting just what we ordered; we’re getting something that works." –– CTO, Hotel Booking Application

  • 14
    $10,000+
    10 - 49 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.

    Clients
    CODY Systems
    Industries
    Notable Project

    Resolute Software designed and developed a website for a managed cybersecurity services company. Following brand guidelines, they built the platform to present the client's services more clearly. The platform not only made the client's services more accessible to a wider audience but also positively impacted sales. 

    "Our deadlines were met and our vision truly manifested onto our new website." —VP of Business Development, Managed Cybersecurity Services Company

  • 15
    $10,000+
    50 - 249 Employees
    Sofia Bulgaria

    Sciant is an IT development provider located in Sofia, Bulgaria. Established in 2016, their 85–90 employees are also housed in their second office in Olomouc, Czechia. Primarily serving midmarket clients in the hospitality and transportation sectors, the team provides custom software development in addition to consulting on AI, Big Data, and Blockchain.

    Clients
    CENDYN
    DHL
    iVvy
    Industries
    Notable Project

    Sciant developed custom software for an event services provider. They delivered a solution that automates interactions between the client and the third-party services they utilize. Their work facilitated relationships with new customers and enabled the client to appropriately address their needs. 

    "We have an ongoing project for Sciant to develop middleware between iVvy and other third party PMS solutions." — COO & Founder, Events Services Provider

  • 16
    $5,000+
    10 - 49 Employees
    Veliko Tarnovo Bulgaria

    Reflection Infosys is an IT company based in Veliko Tarnovo, Bulgaria. The company, founded in 2010, has a team of more than ten that provides custom software development, web development, mobile app development, UX/UI design, IT strategy consulting, AI, blockchain, application management & support, and enterprise app modernization services. Reflection Infosys serves small and larger-sized companies in various industries.

    Clients
    KUKUI
    Social Network Media Development
    Industries
    Notable Project

    A voice tech company hired Reflection Infosys to help them develop their main software product. Reflection Infosys worked closely with the company to develop the software in .NET and implement integrations with social media platforms and with YouTube and Audioengine. The project is ongoing and Reflection Infosys has been exceeding expectations with their work.

    "He will bring you something that not only involves making it work, it also involves creativity and understanding what the customer needs more than just a backend that works beautifully." - CTO, Voice Tech Company

  • 17
    $5,000+
    50 - 249 Employees
    Sofia Bulgaria

    UkrInSofT is a software and cybersecurity company based in Lviv, Ukraine, that was established in 2006.  Their team of 35 employees provides web development, cybersecurity, custom software development, and e-commerce development services.

    Clients
    Espalier
    GrandMinds
    Praxmarer
    Active World
    Industries
    Notable Project

    UkrInSofT developed a desktop app for a utility billing service provider to optimize their billing process. They configured the app with features that track water and electric usage, calculates utility costs, and splits the bill equally between the tenants. The app grew brand awareness, business sales, and leads.

    "Our clients are so impressed by the app’s accuracy and efficiency that they’re referring their colleagues to our services." – Owner and CEO, Utility Billing Service Provider

  • 18
    $5,000+
    2 - 9 Employees
    Blagoevgrad Bulgaria

    Code Plus Ltd. is a .NET development agency located in Blagoevgrad, Bulgaria. Founded in 2015, they have four employees specializing in web and mobile app solutions, custom software development and digital marketing. They work for various global businesses, particularly in the consumer products and hospitality industries.

    Clients
    VetPartners Ltd
    Denta Clinik
    Lidia Tours
    Industries
    Notable Project

    Code Plus Ltd. built an ASP.NET- and AngularJS-driven web portal for a housekeeping service to process customer payments and organize internal workflow. Their professionalism and communicative approach helped them deliver a top-notch solution on time. The system Code Plus Ltd. developed improved productivity and decreased the required staff size significantly.

    “Code Plus’ system increased the speed of our daily operations, decreased our total staff by 30 percent, and improved our level of client satisfaction through a more transparent and accessible payment process. We were impressed by their drive to deliver a top-quality product.” – CEO, Housekeeping Service

  • 19
    $1,000+
    50 - 249 Employees
    Troyan Bulgaria

    Launched in 2007, TSD Services is an IT staff augmentation company. They are in Troyan, Bulgaria; Sofia, Bulgaria and Plovdiv, Bulgaria and have a midsize team. The agency specializes in IT staff augmentation and custom software development.

    Industries
    Notable Project

    TSD Group is developing a mobile and web app for a casino chain. The client had chosen them for their expertise in Microsoft technologies such as .NET, SQL, and Azure. 

    "They are very good at quickly understanding the needs of the users and translating that into working products."

  • 20
    $5,000+
    10 - 49 Employees
    Sofia Bulgaria

    Ever Technologies is a software agency founded in 2017 with over 10 employees. Based in Sofia, Bulgaria, they provide custom software, web, and mobile app development solutions for small and medium-sized businesses.

    Clients
    Nabo As
    CUE
    Orthodox Union
    Notable Project

    Ever Technologies created a client portal for an audio company. The portal was created to improve the company’s scalability. The portal was built cost-effectively.

    “They work very effectively.” - Founder, Audio Company

  • 21
    $5,000+
    10 - 49 Employees
    Sofia Bulgaria

    Kvaba Interactive is a software agency founded in 2015 in Sofia, Bulgaria. Their team of no more than 50 specializes in web, custom software, and AR/VR development solutions for clients in the industries of advertising, gaming, and arts.

    Clients
    Volkswagen
    Fanta
    Coca-Cola
    Industries
    Notable Project

    Kvaba Interactive provided design and development solutions for a mobile comms application. Kvaba Interactive worked on various projects with the application for more than four years. So far, all of Kvaba Interactive’s work has been met with positive feedback.

    “Even if we don’t have ongoing work, they’ll reach out to us with great ideas.” - Regional Marketing Manager, Mobile Comms Application

  • 22
    $25,000+
    10 - 49 Employees
    Sofia Bulgaria
    QaiWare is a Sofia, Bulgaria-based custom software development company. The small team focuses on custom software development, mobile app development, web development, and enterprise app modernization. The firm was launched in 2011.
    Industries
  • 23
    $25,000+
    250 - 999 Employees
    Sofia Bulgaria
    Custom software development company Sirma Group was launched in 1992. The midsize team offers custom software development, HR services, BI & big data consulting & SI, cloud consulting & SI, and more. The company is located in Boise, Idaho and Sofia, Bulgaria.
    Industries
  • 24
    $25,000+
    50 - 249 Employees
    Sofia Bulgaria
    InterConsult Bulgaria is a midsize custom software development company. The Sofia, Bulgaria-based company was launched in 1996. Their services include custom software development, cloud consulting & SI, IT managed services, IT strategy consulting, and more.
    Industries
  • 25
    Undisclosed
    2 - 9 Employees
    Varna Bulgaria
    DatapanBG is a software development firm. Founded in 2019, the team focuses on custom software development, web development, blockchain, Artificial Intelligence, and more. Their small firm is Varna, Bulgaria-based.
  • 26
    $10,000+
    10 - 49 Employees
    Sofia Bulgaria
    IndigoVerge is a small custom software development firm headquartered in Sofia, Bulgaria. They specialize in custom software development, IoT development, web development, business consulting, and more and were established in 2006.
    Industries
  • 27
    $5,000+
    10 - 49 Employees
    Sofia Bulgaria
    GlobalizeIT is a web development company located in Sofia, Bulgaria and Sofia, Bulgaria. They provide web development, custom software development, and blockchain and were founded in 2018.
    Industries
  • 28
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    Centric Technologies LTD

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    $50,000+
    2 - 9 Employees
    Sofia Bulgaria
    Founded in 2019, Centric Technologies LTD is an artificial intelligence firm. Their small team is headquartered in Sofia, Bulgaria. Their team focuses on Artificial Intelligence and custom software development.
    Industries
  • 29
    $5,000+
    10 - 49 Employees
    Blagoevgrad Bulgaria
    Klevret, a small website development company, is in Blagoevgrad, Bulgaria. Their services include web development, custom software development, e-commerce development, mobile app development, and more.
  • 30
    Undisclosed
    250 - 999 Employees
    Sofia Bulgaria
    NATEK is an IT managed services company. Launched in 2004, the team offers IT managed services, custom software development, application testing, cloud consulting & SI, and more. Their midsize company is Warszawa, Poland-based.
    Industries
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NEED HELP SELECTING A COMPANY?

Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with a Manifest Analyst.

TELL US ABOUT YOUR PROJECT