Operational Accounting Systems. Helping you find the right software solution for your business.

Operational Accounting Systems (o-a-sys) provide customers with integrated business systems and ecommerce solutions. Through our accredited experts we support, train, develop and manage the software for all business needs.

To ensure you get the right solution, o-a-sys takes the time to understand your business and the processes you need to manage, creating long term relationships with customers and helping you to do the same.


Salary Sacrifice now included as standard with Opera 3 Payroll & HR
Published by o-a-sys -  16th July 2014

Salary Sacrifice is now included as standard with the Pegasus Opera 3 Payroll and HR Application.  Read More


Latest Opera 3 (2.13) release in July 2014
Published by o-a-sys -  25th June 2014

Salary Sacrifice and NOW: Pensions Integration, coming soon with Opera 3 (2.13).  Read More


FD’s Excellence AwardsPegasus Software Takes Centre Stage at FD's Excellence Awards
Published by o-a-sys -  2nd May 2014

Winner at the FD's Excellence Awards 2014.  Read More


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