UBS Atrium is now called key4

The platform for financing investment properties

key4 brings together borrowers and Swiss institutional investors looking for solid, long-term investment opportunities in the Swiss real estate sector. We mediate between the parties and manage the loan for the entire lifetime of the mortgage.

For borrowers

Get attractive loan offers from investors looking to invest in Swiss real estate.

For investors

Get online access to verified mortgage requests at the click of a button.