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Posted on Thu, Feb 21, 2013 : 5:58 a.m.

Duo Security continues rapid growth after move to Kerrytown

By Ben Freed

Duo Security quadrupled both revenue and staff in 2012 as it moved from the Tech Brewery to its new offices in the old Bay Design building in Kerrytown. The company has nearly 50 employees and is continuing to hire according to a story from Concentrate Media.


Duo Security CEO Dug Song (right) used to run the company from the TechBrewery but now works out of the old Bay Design building in Kerrytown.

Mark Bialek | file photo

The security firm helps users protect their information by using two-factor authentication software. The technology allows its users to log in to sensitive information with their mobile devices.

Duo Security has more than 1,000 clients including Fortune 500 companies and research institutions, according to the Concentrate report. They expect to hire 10 new employees by the end

Tuesday night at an A2NewTech meetup, co-founder and CEO Dug Song announced to the crowd that the company is looking to hire developers as they continue to grow.

Ben Freed covers business for You can sign up here to receive Business Review updates every week. Reach out to Ben at 734-623-2528 or email him at Follow him on twitter @BFreedinA2



Thu, Feb 21, 2013 : 2:24 p.m.

Ann Arbor is incredibly fortunate to have Dug Song residing here. We need more class act entrepreneurs like him.

Widow Wadman

Thu, Feb 21, 2013 : 2:14 p.m.

Nice to hear that a growing company is staying in the neighborhood