In the context of accelerating and increasing investment and business, a Government Regulation Number 2 of 2019  concerning  Business  Licensing  Services  is  Integrated  Electronically.  Based  on  this  policy,  all  business licensing services become integrated by the center through one system, Online Single Submission (OSS).OSS is a  licensing  service  system  that  aims  to  simplify  business  licensing  and  create  a  model  of  integrated  licensing services  that  is  fast,  inexpensive  and  provides  certainty Doko District Blitar  Regency's  One-Stop  Integrated  Service  and Investment  Service  Doko District Blitar  Regency's  is  one  of  the  regional  government  apparatus  in  Doko District Blitar  Regency's that implements  a  one-stop  service  system  as  a  service  agency  that  is  specifically  tasked  with  providing  licensing services  that  directly  intersect  with  the  community,  one  of  which  is  Business  Licensing  Services  through OSS.The  purpose  of  this  study  is  to  describe  in  depth  and  analyze  the  Implementation  of  Electronic  Single Submission  (OSS)  Integrated  Business  Licensing  Services  in  Doko District Blitar  Regency's.  This  type  of research is descriptive  with a qualitative approach.The results of the Integrated Electronic Business  Licensing Services  Implementation  Online  Single  Submission  (OSS)  at  Doko District Blitar  Regency's  have  been implemented,  but  there  are  still  obstacles  in  the  delivery  of  information  that  is  not  fully  acceptable  to  the community.The use of a business licensing system through OSS resulted in the public being afraid of inputting data related to the files needed so that there were still many Doko people as potential individuals who went directly to Doko District Blitar  Regency's in managing business permits.Human resources at the service level are sufficient in their implementation.Supporting facilities for the implementation of licensing services through OSS in Nganjuk Regency DPMPTSP are quite good, which consists of computers, printers and internet networks, but during the implementation of services sometimes the internet network experiences errors or bad connections..The bureaucratic structure has been carried out in accordance with the main tasks and  functions  that  exist.  Through  OSS  services,  the  benefits  provided,  namely  Doko District Blitar  Regency's,  can  easily  access licensing, trying to directly complete one day.

Keywords: Implementation, Online Single Submission (OSS)