Policyholders
Manage your workers’ compensation insurance program with clear guidance, practical tools, and help when it counts.
A.I.M. Mutual helps New England policyholders guide injured workers throughout their recovery and safe return to work. Report injuries, pay premiums, access policy and claim information, and more using our online tools.
Workers’ Comp Support for New England Employers
A.I.M. Mutual helps employers manage workers’ compensation with responsive claim handling, practical safety resources, and guidance that makes next steps easier to understand.
Because workers’ compensation is our sole focus, our team brings specialized knowledge to the decisions that matter most, including injury prevention, claim management, policy questions, and helping injured employees return to work safely when medically appropriate.
How We Help:
Claim guidance after a workplace injury
Injury prevention and safety resources
Return-to-work assistance
Help with billing, premium audits, portal, and policy questions
Safety & Injury Prevention
A.I.M. Mutual works alongside policyholders with guidance and resources that can help reduce workplace risks, manage injuries, and plan for a safe return to work.
Injury Management Support
When an employee is injured, returning to work safely can be an important part of recovery. A.I.M. Mutual helps policyholders develop return-to-work plans for injured employees when medically appropriate, including modified duty when available.
Injury Prevention & Worksite Wellness
Our Injury Prevention and Worksite Wellness team works with policyholders to identify hazards, review safety concerns, and recommend changes that help build safer day-to-day operations.
Policyholder Resources
The Safety Crisis in Construction
Understanding Modified Duty
Premium Audit Workers' Comp Services
A premium audit helps confirm that your workers’ compensation premium reflects your actual payroll, business operations, and classifications for the policy period.
A.I.M. Mutual works with policyholders to make the audit process clear and manageable. Depending on your business and the information required, audits may be conducted on-site, online, by phone, or via another secure method.
Have questions about your audit or what information may be needed?
Frequently Asked Questions
How do policyholders obtain loss runs from A.I.M. Mutual?
Policyholders can obtain loss runs by requesting them through their broker.
If you are a Massachusetts assigned risk policyholder, email certificaterequest@aimmutual.com. Please include your business name and policy number. We will respond within 48 hours from the time we receive your request.
How can I pay my A.I.M. Mutual premium?
You can pay your A.I.M. Mutual premium by setting up an account and paying your bill online.
For step-by-step payment instructions in English, Spanish, and Portuguese, view our online premium payment guide.
A.I.M. Mutual also accepts check payments by mail, though we encourage you to use the fast and convenient online option when possible.
To pay by mail:
Make checks payable to A.I.M. Mutual Insurance Companies. Include your policy number on the check, detach and enclose your billing statement stub, and return payment to:
A.I.M. Mutual Insurance Companies
P.O. Box 4130
Woburn, MA 01888-4130
How do I file a workers’ compensation claim with A.I.M. Mutual?
You can file a workers’ compensation claim with A.I.M. Mutual by reporting a workplace injury
online, which is the preferred method.
You may also submit claims by:
Fax: 781-270-5599
Fax a completed First Report of Injury form, or a MedFax form if you’re in Massachusetts.
Phone: 1-866-270-3354
Business hours are 8 a.m. to 4 p.m. ET.
Does A.I.M. Mutual have a self-service portal?
What information can I access there?
What information can I access there?
A.I.M. Mutual has a self-service portal that’s available 24/7 and provides access to:
- Policy documents
- Loss runs
- Claim information
- Billing statements
Please contact Servicesonline@aimmutual.com for access information
How do I get a Certificate of Insurance from A.I.M. Mutual?
You can get a Certificate of Insurance from A.I.M. Mutual by requesting it through your insurance
broker or representative.
How can A.I.M. Mutual help us establish a safety program for employees?
A.I.M. Mutual can help you establish an employee safety program through our Injury Prevention & Worksite Wellness team. Contact Injury Prevention & Worksite Wellness Manager Patricia Coutu at pcoutu@aimmutual.com.
Who can I contact to inquire about a premium audit?
For questions about a premium audit, email Premiumaudit@aimmutual.com, and our team will be happy to help.
Questions About Our Services? We're Here.
Get help with injury reporting, billing, policy changes or updates, safety resources, or the next step in the claim process.