Groupon’s Acquisition Fights Card Fees for Merchants

Save 40 percent on credit card processing fees in three minutes: that’s the sell at FeeFighters.com to merchants looking for a card-processing partner.

“FeeFighters evens the playing field,” says Stack Exchange Co-Founder Michael Pryor in a testimonial at the company’s website. ”¨”They saved Fog Creek around $50,000 a year and saved me from the hassle of comparing and negotiating manually.”

After raising $1 million at the start of 2011 from a group of angel investors, FeeFighters now has a new corporate partner: Groupon, which bought the company last week.

“Our goals have always been to help small businesses run more efficiently, and by teaming up with Groupon, a pioneer in local e-commerce, we are able to execute on that goal even better than we were as an independent company,” wrote FeeFighters CEO Sean Harper in a company blog post.

The purchase price for the Chicago-based company was not disclosed. But the seven-employee company has tossed about some big numbers before: when it raised its million dollars of funding in January, it said it had saved its customers $30 million on processing fees, according to TechCrunch.