Liberty Mutual Loss Run Request

Everything you need to request loss runs from Liberty Mutual — contact details, required information, and a pre-filled letter generator.

Request Method

Online Portal

Portal

https://business.libertymutual.com/login/

Required Information

  • Policy number
  • Named insured
  • Policy period

Accepted Formats

Portal request

Typical Turnaround

Liberty Mutual does not publish a turnaround time for loss run requests.

Notes

Liberty Mutual's main business site publishes no loss run instructions or turnaround. Its Ironshore specialty unit lists LossRunRequest@ironshore.com. For other lines, go through the agent portal or your servicing underwriter. Do not use clclaimreports@libertymutual.com — that inbox is labeled for first notice of loss, not loss runs — and disregard the "1-2 business days" figure on third-party pages, which is claim acknowledgement. Commercial and specialty lines have separate claims contacts.

Contact details last verified 2026-08-07 against this Liberty Mutual source.

Generate a Liberty Mutual Loss Run Request Letter

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