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Rent-a-captive and sponsored captive arrangements

In a rent-a-captive, a participant uses an insurer owned by someone else — the sponsor — to retain its own risk under a contract, without forming or owning a captive. The participant usually posts collateral and takes the results of its own program. Some states also use "sponsored captive" as a statutory class built around protected cells.

Captive capacity rented from a sponsor's insurer under contract, without forming a captive of your own.

Two questions to keep apart: sponsorship and segregation

"Sponsored" describes who owns the vehicle; "segregated" describes how your assets and liabilities are kept apart from others'. An arrangement can be sponsored without statutory segregation (a classic rent-a-captive) or sponsored with it (a protected cell). Confirm both before comparing offers.

QuestionWhat to ask the sponsor
Legal formIs this a contractual rental, an unincorporated cell or an incorporated cell, and under which statute?
SegregationWhat protects our funds if another participant or the sponsor fails?
CollateralHow much, in what form, and when is it released?
ControlWhat decisions on claims, reinsurance and investments do we make?
Exit and legacyWhat happens to open claims and collateral when we leave?

A captive manager or consultant can compare sponsor offers; counsel should read the participation agreement and the governing statute.

Benefits and limitations

Potential benefits

  • A low-commitment entry to retaining risk: no new company to license, capitalize or govern.
  • The sponsor's infrastructure and regulatory standing carry most of the operational load.
  • A way to trial a retained-risk program before deciding on a cell or a captive of your own.
  • Contractual terms can be easier to change or exit than unwinding an owned entity.

Key considerations and limitations

  • Separation from other participants may rest on contract and accounting rather than the statutory segregation of a protected cell.
  • You have little influence over the sponsor's solvency, reinsurance and governance.
  • Legacy claims can keep you tied to the arrangement after you stop renewing.
  • Rental fees and collateral costs reduce the net economics.

Is this relevant to me?

When it may be worth exploring

  • You want to test retention with minimal upfront commitment.
  • Your program is modest and does not yet justify a dedicated vehicle.
  • Speed to a captive-style arrangement matters most.

When it may not fit

  • The program is large or long-term enough that stronger legal separation matters.
  • You want an ownership stake in the vehicle.
  • You need underwriting or investment control the sponsor will not grant.

1 company

Oct 20, 2026How are these providers ranked?

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