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The world is in constant change and so are Callan Computers. We recognise the need to adapt and keep up to date with new technology and develop new services for existing and potential customers.

Pegasus Opera 3

Today it is more apparent than ever that in order to keep pace with the rapid changes in the way that business is carried out, companies are increasingly reliant on Windows and Microsoft-based applications, networking, E-mail and the Internet. Pegasus Opera 3 is fast becoming the business and accounting system of choice for small to medium-sized enterprises. The reason is simple: Opera 3 delivers a real competitive edge. read more >>


AutoMaster is one of the most modern and flexible Dealer Management Systems the market has to offer. Created in close collaboration with industry professionals, AutoMaster was created to support the business processes of car dealerships and importers alike. A truly international and multi-functional appliction, AutoMaster has now gained acceptance in over 21 countries.

Sage 50 Accounts

Sage 50 is Ireland's most popular business accounting software. It is the perfect solution for businesses requiring a powerful accounting system that will accommodate their increasingly complex business requirements.

Software Development

Callan Computers can create software to meet your unique requirements. Utilising cutting edge technologies such as Microsoft.NET and Microsoft SQL Server we can align your processes and business practices to add value to your organisation. Our developers can migrate or enhance your existing legacy applications and supply specific solutions not met by off-the-shelf software.