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.


Pegasus Opera 3 (2.14) is here!
Published by o-a-sys -  9th October 2014

Improve communication with your customers and get paid faster with the new Debt Management in the Credit Mangement Centre.  Read More



Pegasus Has been shortlisted for Payroll World Awards
Published by o-a-sys -  15th September 2014

Pegasus has been shortlisted for the 'Payroll Software Product Awards' in the 2014 Payroll World Awards.  Read More



Latest Opera 3 (2.14) release in September 2014
Published by o-a-sys -  15th September 2014

Managing customer debt will soon be even easier. Find out what's coming soon  Read More


See all the latest news here