More than 650 libraries around the world have chosen to include participation in Portico as one important component of their digital preservation strategy. Early participants are designated Archive Founders and are identified by an icon in the lists below.
| Libraries | Archive Founders |
|---|---|
| Canterbury Christ Church University | yes |
| Imperial College London | yes |
| King's College London | yes |
| Liverpool John Moores University | yes |
| London School of Economics | yes |
| University College London | yes |
| University of Bristol | yes |
| University of Huddersfield | |
| University of Liverpool | yes |
| University of Nottingham | yes |
| University of Oxford | yes |