Underwriting and Rating

Services to manage risk

We provide underwriting and rating information and services to help you understand and manage risks, reduce policy acquisition costs, improve rate classification integrity, and support your growth and retention strategies. Our offerings help you price your risks, reduce premium leakage, and maximize profitability.

Products and Services for:

Customer login to all online products

Customer login
read from the Beginnings section read from Products Notes section
read from the Visualizations section read from Products Notes section
read from the Insights section  
Download the latest data on property reconstruction costs


Read brochures and articles, listen to web seminars, and view the latest press releases.


If it has to do with Underwriting, we’ll be discussing it here.

Follow us on:


read the latest issue

Short Video "Teaser" for Risk and Analytics Summit Session: Small Commercial Underwriting - Start Thinking Big

Products and Services

TeleUnderwriting Service — Site-Specific Info Collected by Phone If you're looking for a quick, cost-effective alternative to traditional on-site surveys, ISO's new TeleUnderwriting Service may be the answer. Specially trained ISO staff will conduct telephone surveys and provide an electronic or paper report that details the business processes, physical characteristics,…
Sprinkler Plan Review An ISO Sprinkler Plan Review gives you an unbiased evaluation of a planned sprinkler system — before the building goes up or the system goes in. ISO's service has significant benefits for: building-code authorities fire officials sprinkler-system contractors insurers building owners and risk managers Here's how it works Submit a sprinkler plan…
ISO Passport - Experian Business Financial Reports ISO has allied with Experian Business Information Services to bring you business credit, financial, and public-records information. The data will help you evaluate new and renewal business and make better underwriting decisions. You can use ISO Passport® to order three commercial information reports:…
CMC Manual Plus CMC Manual Plus is an electronic version of the ISO Community Mitigation Classification Manual — and more. Delivered to you through ISOnet® — the information service for insurance professionals — CMC Manual Plus gives you timely information, including Public Protection Classifications (PPCTM) and Building Code Effectiveness Grading…
ZIP Code Profiles for Underwriting and Marketing To help you focus your underwriting and marketing efforts by geographic area, ISO offers ZIP Code Profiles for several lines of insurance. With information from  ISO's aggregate database, the profiles give you premium and loss experience by ZIP code. With ZIP Code Profiles,…
Homeowners By-Peril Rating Supplement Enhance the precision of your homeowners rating with by-peril analysis With the new Homeowners By-Peril Rating Supplement, you’ll now be able to evaluate the perils that pose the greatest risk for policies in your homeowners book of business and rate the exposure more accurately. The Homeowners…