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of customers recommend Duo98%500 MillionAuthentications every monthEmployees800+Net Promoter Score70+20,000+Paying Customers 98%of customers recommend Duo20,000+Paying customers in 100 countriesNet Promoter ScoreEmployees800+70+500 MillionAuthentications every month 98%of customers recommend Duo20,000+Paying customers in 100 countriesEmployees800+Net Promoter Score70+500 MillionAuthentications every month

Duo History

20092010Scio Security (soon to be Duo) Founded2011Duo Security founded First round of funding from True Ventures1stCustomer2015Series C : Redpoint 195 Employees Duo opens offices in San Mateo, CA; Austin, TX; and London, EnglandSeries C : Redpoint 195 Employees Duo opens offices in San Mateo, CA; Austin, TX; and London, England2017500+ Employees Duo Beyond launched Series D : Meritech Capital Partners and Lead Edge Capital2,000Customers2018700+ Employees Duo opens downtown Detroit office Duo acquired by Cisco14,000CustomersAnn Arbor office opened201470 employees2012Series A : Google Ventures2013Series B : Benchmark 48 Employees1,214Customers2016400 Employees6,870Customers 14,000Customers700+ Employees Duo opens downtown Detroit office Duo acquired by Cisco20182017500+ Employees Duo Beyond launched Series D : Meritech Capital Partners and Lead Edge CapitalSeries B : Benchmark 48 Employees20131,214Customers2011Ann Arbor office opened2009Scio Security (soon to be Duo) FoundedDuo Security founded First round of funding from True Ventures20101stCustomer2012Series A : Google Ventures201470 employees2015Series C : Redpoint 195 Employees Duo opens offices in San Mateo, CA; Austin, TX; and London, England2,000Customers2016400 Employees6,870Customers Duo Security founded First round of funding from True Ventures20101stCustomer2017500+ Employees Duo Beyond launched Series D : Meritech Capital Partners and Lead Edge Capital2015Series C : Redpoint 195 Employees Duo opens offices in San Mateo, CA; Austin, TX; and London, England2,000Customers2012Series A : Google Ventures201470 employees2009Scio Security (soon to be Duo) Founded2011Ann Arbor office openedSeries B : Benchmark 48 Employees20131,214Customers2016400 Employees6,870Customers14,000Customers700+ Employees Duo opens downtown Detroit office Duo acquired by Cisco2018