Look for an insurance broker. They can price several companies and get you the best deal on Pollution insurance.
Mold work is wrought with liability from all angles even when you follow procedure. You need the insurance but more so you need to document and communicate with all parties very well. Build each file as if you're going to protect yourself in court, so when questioned you can validate what was done and why.
CIH Report-You need a third party evaluator for a protocol
Written estimate
Work Authorization
Photos before during and after remediation
Diagram of affected rooms & walls
Thermal Images-both Prior to and Post Demo
Signed changes from Estimate Form
Disposal Sign Off
Refusal of Recommendations
*On critical jobs-Manometer printout to verify containment, Dry Log- Temp & Humidity readings
Certificate of completion
CIH Clearance