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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.

Website Development

Our experienced website design and development team will take your website to a new level. Whether you are looking for an online brochure or a fully interactive internet-based application, we provide solutions that meet your immediate and future requirements.

Network Security

Today, companies are tailoring their business processes to meet the demands of the Internet age and opening up their internal systems to partners and customers alike. Callan Computers design networks that are reliable, efficient and flexible allowing you to access your company's most valuable asset, your data. Appropriately designed and implemented security policies ensure that you only share this asset with the right people.

Maintenance and Support

Callan Computers provide total support solutions encompassing hardware and software systems. Contracts include on-site desktop and server support with high levels of response and rapid replacement of equipment. Customers are secure in the knowledge that our helpdesk resource can facilitate their immediate requests and resolve any queries with minimum disruption to their business. Our service level agreements can be tailored to suit any size of business and are flexible to meet the growing needs of your organisation.


Callan Computers specialise in providing professional training in Sage and Pegasus Opera Accounting, Quantum and Sage Payroll, and Microsoft Office applications. Our training courses are tailored to individual customer requirements, ranging from on-site personal tuition to classroom training at Callan Computers' own in-house facility.