About o-a-sys

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 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

Pegasus Opera 3 is a complete business solution that can be fully integrated throughout your organisation, eliminating the need to run separate finance, payroll, CRM or service systems. 

Offering unbeatable inter-departmental integration and knowledge sharing, Opera 3 can give everyone in your company a unified view of the business.


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For more information about our software solutions and  to discuss your requirements please complete the form below:

Pegasus Blog

Check out the latest blog posts from Pegasus Software. Learn more about Opera 3 and how it could help you with auto enrolment, salary sacrifice, stocktake, reporting and more. 

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o-a-sys provide a comprehensive software support service which can be tailored to your requirements. Our dedicated team will ensure your support issues are dealt with as quickly and efficiently as possible.

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Case Studies

Find out how Pegasus Opera 3 customers are benefiting from cost savings, efficiency gains, improved productivity and gained better control of their finances as a result of Pegasus Opera 3. 

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Pegasus Web Xchange - Timesheets Coming Soon
Published by o-a-sys -  19th March 2015

Look out for a new service coming soon to Pegasus Web Xchange with Timesheets, a one-stop shop for the entry and viewing of timesheets. Read More

Pegasus Payroll - Advance Information 
Published by o-a-sys -  9th January 2015

The Opera 3 and Opera II payroll upgrade releases will cover the legislative changes required to complete the 2014/2015 year end.  Read More

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


See all the latest news here 

Operational Accounting Systems

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Unit 1B Briar Close, Wye, 

Ashford, Kent, TN25 5HB

T:  01233 812050
E: enquiries@o-a-sys.co.uk

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