AmEx is offering an increased 35K sign-up bonus for the SPG Business Card until 03/28/2018.

... "Earn 35,000 bonus Starpoints after you use your new Card to make $7,000 in purchases within the first 3 months. Offer ends 03/28/2018.

$0 Introductory Annual fee for the first year, then $95."

Linky: https://www.americanexpress.com/us/credit-cards/business/business-credit-cards/spg-amex-starwood-credit-card/