Salesforce.com is an American cloud computing company founded in 1999 and headquartered in San Francisco, California.
The font used for the Salesforce logo is very similar to Aller Regular/Italic. Aller is a sans serif font family designed by Dalton Maag. The font family includes three roman styles, ranging from light to bold, with matching italics, plus the display weight, giving a wide range of tones of voice to choose from. You can download them for free here.
The Standard Edition of the Aller Font Family is available for free use by up to 25 users within your household or organization. If you need a licence for more than 25 Users for the Standard Edition, or would like licences for the Typographic Edition, they can be bought online from Dalton Maag.
More Fonts in Use
Check out the fonts used in famous logos and covers of various music albums.