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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To learn more about our software solutions and discuss your requirements please complete the form below and a member of the team will be in touch shortly.

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 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 

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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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