Visa International has increased its share of the U.S. small-business card market to 20%, from 11% a year earlier, according to a study by PSI Global.

Visa's active pursuit of this market has brought it within striking distance of the leader, American Express Co., which had a 22% share in the annual PSI survey.

Limited Time Offer

Save $400 off your subscription. Special offer ends April 30, 2017.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.