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What is the Safety Index?

The Insurate Safety Index (ISI) is your company’s specific workers’ compensation risk rating translated from hundreds of data points into a weighted score that ranges from 0 to 100. The ISI score helps insurance companies understand your business’ relative risk of future work comp claims vs industry peers. Similar to a credit score, the Insurate Safety Index not only provides an objective data-driven tool for underwriters to evaluate businesses, it also provides insight into the factors that influence your company’s risk profile and associated work comp pricing.

How it works

ISI scores are calculated through a proprietary data capture and analysis process. We start with the traditional insurance rating information which include dozens of industry scores and sources like your company’s experience mod and industry job codes. We then complement this information with data science that captures thousands of additional data sets to identify correlations and predictive indicators for work comp. The Insurate Safety Index has been back tested for accuracy against historic claims data, and over time will continue to improve through machine learning. The result is a predictive index that measures correlations among thousands of variables to provide an objective rating of future work comp claim exposure. While the details of Insurate’s rating algorithms are confidential, many businesses are surprised to learn how influential hundreds of factors may be in predicting future risk – items like office location, granular employment trends, the availability of supplemental insurance, etc – the platform has identified hundreds of inter-related “factors” that have been proven to influence future work comp exposure.

How is ISI score used?

Insurate uses ISI scoring to identify the top tier of specialty insurance risk profiles – a category Insurate has trademarked as “safe tier” businesses. The insurate platform identifies Safe-Tier™ businesses by category, size and region and matches these findings against the specific appetite of Insurate’s work comp insurers like Liberty Mutual, Markel and other leading national brands.

How can the ISI score help my business?

A high enough ISI qualifies your business for preferred work comp rates that average 30%+ lower than the general pool. And because Insurate monitors those that qualify and adjusts ISI scores dynamically, your business is assured the lowest possible rates at annual renewal. Your ISI score can also be used to identify specific areas of improvement to help you lower your work comp exposure and improve your underwriting appeal (which means continued lower rates).

Where did the ISI score come from?

We created the ISI to simplify the incredibly complex process of accurately evaluating businesses for work comp underwriting. The proliferation of available data and computing power to identify predictive factors is a recent phenomena. By analyzing petabytes of data that have been previously overlooked or unavailable, our data science platform can achieve a new level of granular insight into identifying Safe-Tier™ businesses and predicting future outcomes.

Can I get my company's ISI score?

Yes, once your business has been evaluated through the platform. While the data science and scoring algorithms are proprietary to Insurate, the platform was designed to share specific strengths and weaknesses within categories to help your business qualify. Unfortunately, the processing of each business through the ISI platform requires a fair amount of data capture and analysis. For this reason we prioritize ISI analysis based on the industry and regional requests of our underwriting partners. We also evaluate businesses on request and case-by case for consideration.

If you'd like to discuss your company's Insurate Safety Score, please contact us.


Identifying Safe-Tier™ businesses is an exercise in data science and predictive modeling through the Insurate platform.

We start with industry standards: experience mod, loss history, and other standard data points traditionally used in workers comp evaluations – and then we go much deeper into a data driven analysis of a business, geography and even local/state regulations relative to the company's industry and its peers.

Our system looks at not just historical patterns in traditional work comp categories like return to work timing and claim frequency, but also insights into industry employment trends, the availability of health and supplemental insurance and even cultural indicators.