Top 20 C# Developers in Ireland
The Best of December 2025Looking for a top C Sharp software development company in Ireland?
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 Ireland. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Ireland C Sharp (C#) Software Development Companies
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1$25,000+10 - 49 employeesTullamore, IrelandRead More
Share IT is a web development company based in Novi Sad, Serbia founded in 2012. Run by a team of fewer than 50, the company offers its services in web development and enterprise app modernization for clients ranging from small companies to large enterprises. They work with frameworks such as Microsoft SharePoint, React Native, and VueJS, and are proficient in JavaScript, C#, and ASP.NET, among other languages.
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Positive Behaviour Supports Corporation (PBS)Industries
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2Undisclosed10 - 49 employeesDublin 8, IrelandMatrix Internet is a small email marketing company. They offer email marketing, graphic design, mobile & app marketing, search engine optimization, and more and were established in 2000. The agency is based in Dublin 8, Ireland.Read More
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AIB Future SparksIndustries
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3$10,000+2 - 9 employeesDublin, IrelandRead More
Accelerator Team is a software firm founded in Dublin in 2018 with no more than 10 experts. They offer custom software, web, and mobile app development solutions to clients ranging from small firms to large companies.
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4$5,000+50 - 249 employeesDublin, IrelandCyrex Ltd., a custom software development company, was launched in 2015. The midsize team provides Custom Software Development and Application Testing.Read More
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5Undisclosed50 - 249 employeesLimerick, IrelandActionPoint, a custom software development company, focuses on Custom Software Development and Enterprise App Modernization. The firm is located in Limerick, Ireland and Dublin, Ireland.Read More
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6$1,000+2 - 9 employeesDublin, IrelandCodeNotion Limited, a website development company, was launched in 2022. Located in Dublin, Ireland and Nicosia, Cyprus, the team offers Web Development and Enterprise App Modernization.Read More
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7Undisclosed2 - 9 employeesDublin 8, IrelandEstablished in 2014, Juvo Web Design & Development is a small web design agency. Their team specializes in Web Design and Web Development.Read More
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Irish Girl GuidesIndustries
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8$5,000+2 - 9 employeesDublin, IrelandEireSoft Limited, a custom software development company, is in Dublin, Ireland and London, England. The team provides Custom Software Development and UX/UI Design.Read More
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9$10,000+10 - 49 employeesDublin, IrelandCustom software development company Swappsi Software specializes in Custom Software Development and IT staff augmentation. They are based in Dublin, Ireland.Read More
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10$1,000+10 - 49 employeesWaterford, IrelandSoftware development company Hcs Software Solutions provides Custom Software Development and cloud consulting & SI. They are headquartered in Waterford, Ireland and Dublin, Ireland.Read More
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11$5,000+2 - 9 employeesDublin, IrelandRead More
Grofuse Digital is a custom software development company. Launched in 2017, the team specializes in custom software development, digital strategy, web design, and web development. Their small agency is based in Dublin, Ireland and Derry, United Kingdom.
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12$5,000+50 - 249 employeesCork, IrelandLocated in Cork, Ireland and Berlin, Germany, Binamico is a custom software development firm. The team specializes in Custom Software Development and Web Development.Read More
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13$10,000+10 - 49 employeesDublin, IrelandHeadquartered in Budapest, Hungary and Dublin, Ireland, INU Digital is a small mobile application development company. The team offers Mobile App Development and Application Testing.Read More
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14$1,000+2 - 9 employeesDublin 1, IrelandE-commerce development company OWI Web Development is headquartered in Dublin 1, Ireland and Dublin 1, Ireland. They specialize in E-Commerce Development and Custom Software Development.Read More
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15$50,000+50 - 249 employeesDublin, IrelandBoatyardX is a midsize software development company. The Dublin, Ireland-based firm was founded in 2019. Their team offers Custom Software Development, UX/UI Design, cloud consulting & SI, Web Development, and more.Read More
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16$75,000+50 - 249 employeesLimerick, IrelandRead More
Keeper Solutions is a software agency founded in Limerick, Ireland in 2011. Their team of more than 10 specializes in custom software development, IT strategy consulting, and mobile app development services for clients in the fields of financial services, healthcare, and more.
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FexcoIndustries
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17Undisclosed10 - 49 employeesDublin, IrelandReperio Human Capital is a Staffing company. The team focuses on Staffing and Recruiting, and the company is headquartered in Tampa, Florida and Dublin, Ireland.Read More
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18$10,000+250 - 999 employeesDublin, IrelandRead More
Affirma Consulting is a custom software development firm established in 2001. Their midsize team is in Bellevue, Washington; Ahmedabad, India; Dublin, Ireland and Fayetteville, Arkansas. The firm focuses on Custom Software Development, AI Consulting, Generative AI, Mobile App Development, and more.
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MicrosoftIndustries
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19$10,000+2 - 9 employeesDublin 2, IrelandLaunched in 2025, Anatri Consulting LTD is a web design agency. The team provides Web Design and UX/UI Design and is in Dublin 2, Ireland.Read More
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20Undisclosed2 - 9 employeesDublin, IrelandOTG42 is a software development company. Their small team is headquartered in Dublin, Ireland. Their services include Custom Software Development and Web Development.Read More
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21$10,000+50 - 249 employeesDublin, IrelandShare IT is an IT staff augmentation company founded in 2001. Located in Dublin, Ireland; Toronto, Canada; Lisboa, Portugal and București, Romania, their midsize team specializes in IT staff augmentation, Web Development, Custom Software Development, E-Commerce Development, and more.Read More
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FNACIndustries
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22Undisclosed10 - 49 employeesBlackrock, IrelandLaunched in 2008, Eirtight Technology is a small software development company located in Blackrock, Ireland. Their team focuses on Custom Software Development and cloud consulting & SI.Read More
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23$10,000+250 - 999 employeesWaterford, IrelandIn Johannesburg, South Africa and London, England, DVT is a data analytics company. Their services include BI & big data consulting & SI and IT staff augmentation.Read More
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Nedgroup InvestmentsIndustries
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