Single Family Office

Updated:

ATMI

ATMI is structured as a single-family office with offices in Danbury, Connecticut and Leuven, Belgium.

ATMI

ATMI is structured as a single-family office with offices in Danbury, Connecticut and Leuven, Belgium. The firm's founding wealth origin is not publicly disclosed, though its European office placement suggests ties to the Benelux region. The firm deploys capital across real estate, infrastructure, private credit, and select enterprise software opportunities. It favors direct investments and negotiated partnerships rather than fund-of-funds structures. Its geographic focus spans North America and Western Europe, with an emphasis on stable, income-generating assets. Team size and total assets under management are undisclosed. The firm maintains a lean operations structure typical of single-family offices. No philanthropic vehicles or operating companies linked to ATMI have been publicly identified. A recent operational event was not verifiable from public records. ATMI's structural differentiator is its dual-continent setup, which allows simultaneous sourcing and oversight in both the United States and Europe. This transatlantic posture distinguishes it from regionally confined family offices.

General information

Firm type

Single Family Office

Year founded

AUM

Undisclosed

Location

Region

North America

Country

United States

City

Danbury

Corporate office

Danbury, CT, United States

Additional offices

Leuven, Belgium

Sector focus

Real EstateInfrastructurePrivate CreditEnterprise Software

Frequently asked questions

Who runs investment decisions at ATMI?

ATMI does not publicly identify its investment principals. The firm maintains a private posture typical of single-family offices.

How does ATMI source proprietary deal flow?

ATMI sources opportunities through its transatlantic network in the United States and Europe. The firm focuses on direct investments and negotiated partnerships rather than competitive auctions.

Is ATMI structured as a single family office or does it operate more like a venture firm?

ATMI operates as a single-family office, not a venture firm. Its dual office structure in Danbury and Leuven supports a focus on real assets and private credit.

Does ATMI participate in fund commitments or only direct deals?

ATMI primarily pursues direct investments across real estate, infrastructure, and private credit. Its engagement with external fund managers has not been publicly documented.

What investment stages does ATMI typically target?

ATMI focuses on income-generating assets in real estate and infrastructure, with occasional private credit and enterprise software placements. It does not emphasize early-stage venture capital.

Which sectors does ATMI explicitly avoid?

ATMI does not publicly disclose a list of excluded sectors. Its known portfolio emphasis is on tangible assets and credit-oriented strategies.

Where does the underlying wealth come from?

The wealth origin behind ATMI is not publicly disclosed. The firm's dual US-European presence suggests ties to wealth generated in both regions.

Profile maintained by using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.

Need institutional-grade insight on family offices?

Altss delivers:

Principals with verified direct contactsAllocation history by asset classOSINT-derived deal signals
Book a demo

Prefer a guided tour?

We’ll walk you through:

Interactive funding timelinesCustom mandate & allocation filters
Book a demo