NCompass Advanced Retail

NCompass Advanced Retail is a powerful software package that transforms a standard computer into an easy-to-use system to help you run your business.

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NCompass Mobile 10

Extend the power of NCompass Advanced Retail Professional and Enterprise editions into the hands of your delivery drivers and field service engineers.

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A wide range of support options are available depending upon your requirements. Telephone support is available during working hours Monday to Friday

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About Us

A brief synopsis of our company and what we do

Founded in 1999, Calculus is the market-leader providing Advanced Retail Systems, Stock Control, EPOS and eCommerce Web Solutions to the electrical retail industry in both B2C and B2B spaces.

With head-quarters in Crowborough, East Sussex, Calculus supports systems throughout the UK mainland, Northern Ireland, Scottish Islands and Channel Islands.

NCompass Advanced Retail is a powerful software package that transforms a standard computer into an easy-to-use system to help you run all aspects of your business. It has been specifically designed for electrical retailers of any size and is available in different editions to suit the needs and budgets of the smallest independent retailer or service business, through to the high demands of large multiple chains and ecommerce businesses.

Our multi-channels solutions provide the ultimate combination in functionality, ease-of-use and total-cost-of-ownership.

NCompass Advanced Retail powers hundreds of independant retailers, including a large number of retra members, CIH and Sirius members, along with B2B solutions powering groups.

Calculus also have many business partners who include; Retra, Star Micronics, Honeywell, Microsoft, AVG, VeriFone and DrayTek.


Calculus Software Solutions produce the market-leading NCompass Advanced Retail system, which helps you grow your business, boost your reach and improve your efficiency. Every solution includes full implementation support and advice from our retail-experienced consultants, and is backed by our highly-rated support team.

Our Windows-based software is both powerful and easy to use, covering everything needed by a modern multi-channel business: retail sales, customer database, deliveries, service jobs, installation tracking and billing can all be managed, simply and efficiently, by NCompass.

Enterprise-level features support the most complex requirements, including BACS, rental/HP and rolling credit, along with eCommerce, telephony and mobile integration services.

When you’re on the move, our mobile app puts the power of NCompass in your pocket, and our multi-channel support gives you a superb online presence 24/7 through your own site and other stores such as Amazon.

Year after year NCompass remains the number 1 choice for the modern independent – if you haven’t yet implemented NCompass, contact us to see why so many other dealers have, and how we could benefit your business. If you are already an NCompass user then please join us to see some of the latest and upcoming new products and features.


NCompass offers powerful telephony integration features, both for your existing telephone system and when used in conjunction with our own VoIP-based systems

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Magento Integration

A web-site is important for any serious business, but it is even more important to keep that web-site up-to-date. Our Magento Integration allows you to do just that, from within NCompass.

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Contact Us

To find out more about how our Advanced Retail Systems can improve your business, please contact our Sales team on 0845 125 9192 or email

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