Siel
Siel was an Italian manufacturer of electronic musical instruments, most notably known for its synthesizers, organs, and string machines during the 1970s and 1980s. The company faced financial difficulties in the late 1980s and was eventually acquired by Gibson before ceasing operations.
Brand Identity Data
HQ Country
Italy
Founded
1976
EU Headquartered
Yes
EU Manufactured
Yes
Stock Exchange
Private
Tax Domicile
IT
Ultimate Parent
Gibson Brands, Inc.
B Corp Certified
No
Repair / Recycling
No
Ethical Certifications
None verified
Verified on October 15, 2026
Corporate Lineage
1987
Acquisition by Gibson
The Italian company Siel was acquired by the American instrument manufacturer Gibson.
1988
Cessation of operations
Following financial difficulties and the acquisition, the brand ceased operations and production.