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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Time Tracking made easy
Published by o-a-sys - November 2015

When it comes to monthly pressure points for any business, high up on the list has to be payroll. One small error and you end up with a situation which has the potential to upset a great deal of people in a very short space of time. A business’s payroll system is, however, only ever as good as its timesheet management. If you get this right, the benefits to the business are potentially huge. Read More

Pegasus Cloud - To adopt or not?
Published by o-a-sys -  July 2015

In May's blog we considered why Cloud Computing for business and accounting software was a more suitable option than that of traditional on-premise software. This month we explore the 5 biggest costs associated with failing to move your business over to the Cloud in terms of indirect costs and competitive responsiveness in today's business environment. Read More


Pegasus Cloud - Unlock you business potential and accelerate growth 
Published by o-a-sys -  31st May 2015


This cloud solution delivers flexibility and adaptability, allowing you to adapt to the changing nature of technology in an ever increasingly 'mobile' world. Read More

See all the latest news here 

Operational Accounting Systems 

© o-a-sys 2015 - All Rights Reserved

o-a-sys is a trading name of Operational Accounting Systems Limited. Company No: 05216590. Registered in England and Wales. 

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Get In Touch

Unit 1B Briar Close, Wye, 

Ashford, Kent, TN25 5HB

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

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