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The millions of variables in construction combined with fixed costs and tight margins leaves no room for error, creating a significant challenge for businesses in this industry.

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Thanks to the system that GAIN LINE built, over £1 billion worth of work was estimated by our clients since it was launched in 2019.

Being able to produce estimates three to five times faster than traditional methods and with pin-point cost accuracies, we have revolutionised how they work and they’ve thrown their calculators out of the window
Steve Page

About Immortalis

Immortalis is an innovative tech business serving the construction and roofing industry. The Immortalis team identified that construction and roofing companies used antiquated practices when creating quotes and estimates for their customers.


GAIN LINE scoped the opportunities for the Immortalis System by conducting research and journey mapping the experience of creating an estimate.

Within these journeys were significant friction points surrounding the Excel spreadsheets and calculation logic which we audited and translated into a cloud-based system.

The results

Following a comprehensive investigation, GAIN LINE designed and developed a bespoke system that introduced the following functionality to the businesses technology:

  • All specifications available online and accessible via any digital device
  • Estimators are immediately and with confidence able to calculate margins
  • Speed of estimation three to five times faster than previous
  • An estimated £300,000,000 worth of work was estimated through the software in 2020