AUM

$10B+ (estimated based on net worth)

Principals

Principal Net Worth

$13.9B

Data Flags

German industrial billionaire; Rittal/Friedhelm Loh Group; devout Christian philanthropist

Loh Family Office

SFOHigh Confidence

Haiger, Hesse, Germany

Last verified: Jan 17, 2026

Details

Website: Unknown (Company: https://www.friedhelm-loh-group.com/)
Source of Wealth: Manufacturing (Rittal - industrial enclosures, IT infrastructure)
Assets Under Management: $10B+ (estimated based on net worth)
Source File: research/organizations/loh-family-office.md
UID: fo-loh-family-office

Also Known As

Friedhelm Loh Family OfficeLoh CapitalRittal Family Office

Principals (3)

Friedhelm LohFounder/PrincipalOWNS

$13.9B

ChildrenPrivateOWNS

WifePhilanthropistOWNS

Team Members (2)

Dieter MeuserTitle TBD

WORKS_AT

Reinhard QuastTitle TBD

WORKS_AT

Related Entities (6)

CideonSubsidiary

Digital transformation services

EPLANSubsidiary

Engineering software

Friedhelm Loh GroupSubsidiary

Industrial conglomerate

Loh Family OfficeSubsidiary

Wealth management

Rittal GmbHSubsidiary

World's largest manufacturer of industrial enclosures

StahloSubsidiary

Steel service center

Relationship Strength

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Sources (6)

Changelog

2026-01-17Verification - net worth confirmed Forbes $13.9B (#182 globally 2025); Bloomberg Billionaires Index confirms; upgraded to High confidence (2 sources)
2026-01-16Enriched with principal biography, career history (Rittal), net worth $13.9B, company details (3.1B euros revenue), updated confidence to Medium
2026-01-15Auto-generated from principal Friedhelm Loh