Who assigns IPI numbers?

IPI numbers are assigned by performing rights organizations (PROs) like ASCAP, BMI, SESAC, SOCAN, PRS, GEMA, SACEM, JASRAC, and others. SUISA (the Swiss PRO) maintains the global IPI database on behalf of CISAC, the international confederation of authors and composers societies.

IPI · Songwriter

WILLIAM HOLMES

01011942799

4 works

Last verified: September 13, 2026

The IPI number for WILLIAM HOLMES is 01011942799. IPI numbers are unique 11-digit Interested Parties Information codes managed by SUISA on behalf of CISAC, used by performing rights organizations worldwide to track royalty payments to rights holders. WILLIAM HOLMES is indexed as a songwriter. WILLIAM HOLMES has 4 registered works indexed on Credits.fm.

Format

0101194279Sequential number

9Check digit

Sequential number:: Globally unique number assigned by CISAC/SUISA when the rights-holder was registered.
Check digit:: ISO 7064 Mod 10-1 check digit that validates the IPI.

Credit Chain

ISWC4 works

IPIWILLIAM HOLMES

Works

Publishers

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Avg. Share

SourcesMLC

Identifier Graph

Who is IPI 01011942799?

01011942799 is an Interested Parties Information (IPI) code assigned to WILLIAM HOLMES, a songwriter. IPI numbers are unique identifiers managed by SUISA on behalf of CISAC, used by performing rights organizations worldwide to identify rights holders and distribute royalties.

WILLIAM HOLMES has 4 musical works (ISWCs) in our database.

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IPI · Songwriter

WILLIAM HOLMES

01011942799

4 works

Last verified: September 13, 2026

Format

0101194279Sequential number

9Check digit

Sequential number:: Globally unique number assigned by CISAC/SUISA when the rights-holder was registered.
Check digit:: ISO 7064 Mod 10-1 check digit that validates the IPI.

Credit Chain

ISWC4 works

IPIWILLIAM HOLMES

Works

Publishers

—

Avg. Share

Musical Works (ISWC) (4)

0 verifiedT-300.051.540-8 0 verifiedT-307.178.248-0 0 verifiedT-310.410.867-6 0 verifiedT-932.894.502-4

SourcesMLC

Identifier Graph

Who is IPI 01011942799?

WILLIAM HOLMES has 4 musical works (ISWCs) in our database.

WILLIAM HOLMES

Format

People also ask

Who is IPI 01011942799?

WILLIAM HOLMES

Format

Musical Works (ISWC) (4)

People also ask

Who is IPI 01011942799?

Musical Works (ISWC) (4)