LIBERTY MUTUAL HOLDING COMPANY INC.
LIBERTY MUTUAL HOLDING COMPANY INC. is a Public Limited Company registered in United States under 000805238, and its current status with Massachusetts Secretary of the Commonwealth is active. The company was incorporated on 28 November 2001 and lists its registered address as United States. No shareholders are recorded for LIBERTY MUTUAL HOLDING COMPANY INC.; ownership in this jurisdiction is held as the stock ledger under state corporate law (e.g. §219 of the Delaware General Corporation Law), a record kept privately rather than filed publicly. No beneficial owner (UBO) data is recorded for LIBERTY MUTUAL HOLDING COMPANY INC.; access to beneficial-ownership data in this jurisdiction is governed by its own register rules. This profile is sourced directly from Massachusetts Secretary of the Commonwealth and was last updated on 30 September 2026.
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Officers
5
Directors and officers of LIBERTY MUTUAL HOLDING COMPANY INC.
Two of the 5 officer records shown for LIBERTY MUTUAL HOLDING COMPANY INC. are current appointments, filed with Massachusetts Secretary of the Commonwealth. Martin Slark serves as Director; Colleen Lynch serves as Assistant Secretary. The remaining 3 records shown (Linda Mantia, Georgios Serafeim and 1 other) are former appointments that have since been resigned. The source filing doesn't specify representation authority — whether officers can act individually or must sign jointly to bind the company — so that detail isn't available here.
Data availability
The register reports 34 officers in total, including past appointments, though only the 5 most relevant records are shown here.
Data-provider feed — rows as supplied to Zavia for Massachusetts Secretary of the Commonwealth, including entries the profile above does not cover. These rows are not a verbatim copy of the register: they have been found to duplicate the same person under different spellings and to keep a status of Active after an appointment ended. Where they disagree with the profile above, the profile is the checked version.
Group Structure
Group structure of LIBERTY MUTUAL HOLDING COMPANY INC.
LIBERTY MUTUAL HOLDING COMPANY INC. has no recorded parent company — it sits at the top of its own group structure, with 16 subsidiaries recorded beneath it across 4 jurisdictions. Each of these downward relationships is derived rather than filed: resolved by matching entities across the registry network, not stated directly in a single document.
- Liberty Mutual Insurance Group (United States)
- Ironshore Inc. (Cayman Islands)
- State Auto Financial Corporation (United States)
- Liberty Mutual Agency Corporation (United States)
- Liberty Financial Services (United States)
- Liberty Mutual Insurance Company (United States)
- LIBERTY COLOMBIA COMPANIA DE SEGUROS S A (Colombia)
- Liberty International US European Holdings LLC (Bermuda)
- Liberty Mutual Insurance (United States)
- HDI SEGUROS COLOMBIA S A (Colombia)
Data availability
Those 16 subsidiaries span United States, Cayman Islands, Colombia, Bermuda jurisdictions, though this list should not be read as complete — subsidiaries only become visible here where shareholder data has actually been filed with a register, so holdings in jurisdictions without that filing simply won't appear. Seven of the 16 go a level deeper still, with their own further subsidiaries recorded beneath them — additional ownership layers this view doesn't expand.
Data-provider feed — rows as supplied to Zavia for Massachusetts Secretary of the Commonwealth, including entries the profile above does not cover. These rows are not a verbatim copy of the register: they have been found to duplicate the same person under different spellings and to keep a status of Active after an appointment ended. Where they disagree with the profile above, the profile is the checked version.
LIBERTY MUTUAL HOLDING COMPANY INC.
United States
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Frequently Asked Questions
Who is LIBERTY MUTUAL HOLDING COMPANY INC.'s UBO (Ultimate Beneficial Owner)?
No Ultimate Beneficial Owner (UBO) data is recorded for LIBERTY MUTUAL HOLDING COMPANY INC.; access to beneficial-ownership data in this jurisdiction is governed by its own register rules.
What is LIBERTY MUTUAL HOLDING COMPANY INC.'s company registration number?
LIBERTY MUTUAL HOLDING COMPANY INC.'s registration number is 000805238, filed with Massachusetts Secretary of the Commonwealth in United States. Its current status on the register is active.
Is LIBERTY MUTUAL HOLDING COMPANY INC. still an active company?
LIBERTY MUTUAL HOLDING COMPANY INC.'s status on Massachusetts Secretary of the Commonwealth is listed as active.
When was LIBERTY MUTUAL HOLDING COMPANY INC. incorporated?
LIBERTY MUTUAL HOLDING COMPANY INC. was incorporated on 28 November 2001, according to Massachusetts Secretary of the Commonwealth.
What is LIBERTY MUTUAL HOLDING COMPANY INC.'s registered address?
The registered address on file for LIBERTY MUTUAL HOLDING COMPANY INC. is United States.
What legal structure is LIBERTY MUTUAL HOLDING COMPANY INC. registered as?
LIBERTY MUTUAL HOLDING COMPANY INC. is registered as a Public Limited Company in United States.
Who are the officers/directors of LIBERTY MUTUAL HOLDING COMPANY INC.?
Two of the 5 officer records shown for LIBERTY MUTUAL HOLDING COMPANY INC. are current appointments, filed with Massachusetts Secretary of the Commonwealth. Martin Slark serves as Director; Colleen Lynch serves as Assistant Secretary. The remaining 3 records shown (Linda Mantia, Georgios Serafeim and 1 other) are former appointments that have since been resigned.
Does LIBERTY MUTUAL HOLDING COMPANY INC. have a parent company or subsidiaries?
LIBERTY MUTUAL HOLDING COMPANY INC. has no recorded parent company — it sits at the top of its own group structure, with 16 subsidiaries recorded beneath it across 4 jurisdictions. Those 16 subsidiaries span United States, Cayman Islands, Colombia, Bermuda jurisdictions, though this list should not be read as complete — subsidiaries only become visible here where shareholder data has actually been filed with a register, so holdings in jurisdictions without that filing simply won't appear. Seven of the 16 go a level deeper still, with their own further subsidiaries recorded beneath them — additional ownership layers this view doesn't expand.
Can Zavia monitor changes to LIBERTY MUTUAL HOLDING COMPANY INC.'s ownership over time?
This profile reflects a point-in-time snapshot from Massachusetts Secretary of the Commonwealth. Zavia's monitoring API can track changes to LIBERTY MUTUAL HOLDING COMPANY INC.'s registered shareholders, officers, and group structure going forward, flagging updates as they're filed rather than requiring a manual recheck.
Can I access LIBERTY MUTUAL HOLDING COMPANY INC.'s data through an API?
Yes. Zavia's API connects directly to official government ownership registries across 195 countries and territories, including United States, so records like LIBERTY MUTUAL HOLDING COMPANY INC.'s registration, shareholder, UBO, and group-structure data can be queried programmatically instead of viewed one page at a time.
Where does this company information come from, and how current is it?
This record is sourced directly from Massachusetts Secretary of the Commonwealth and was last synced on 30 September 2026.