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Who Owns OneSource Marketing LLC?

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Use this page to find the OneSource Marketing LLC owner and explore the full ownership hierarchy. See the owner of OneSource Marketing LLC, the parent company, holding structures, and ultimate controllers.

Image associated with OneSource Marketing LLC
Est. 2020   •  2-10 employees   •  Private

OneSource Marketing LLC is a small, private advertising and marketing agency based in Greenville, Indiana, providing web design, branding, social media management, video, and other digital marketing services to local businesses.

Owned by
Image associated with Westminster Capital Group

Westminster Capital Group

Best for mid-market companies
Est. 2003   •  11-50 employees   •  Private

Westminster Capital Group is a privately held investment and management firm based in Pacific Palisades, California, focused on real estate development and bridge lending alongside private equity investments across diverse industries.

Major Shareholders

OneSource Marketing LLC

Major Shareholders

NameTypeOwnershipAs of
Elaine Davis Founder and principal behind OneSource Marketing LLC in Greenville, Indiana; public profiles state that she "made the decision to start my own company" and present the business as her own. Exact equity and voting stakes are not publicly disclosed.
Individual--

Westminster Capital Group

Major Shareholders

NameTypeOwnershipAs of
Greggory L. (Greg) Belzberg Listed as a manager and principal of Westminster Capital Group, LLC in California Secretary of State–derived business filings and serves as President & CEO of Westminster Capital Group. Actual equity stake is not publicly disclosed.
Individual-Jul 2025
GB Living Trust Identified as the sole company contact and manager for Westminster Capital Group, LLC in a March 11, 2025 California business registry summary. Public sources suggest it is a Belzberg family living trust, but specific ownership percentages are not disclosed.
Other-Mar 2025

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