| Service | Telephone |  | Website | 
| Library Services | 0203318262 EXT. 28501 | https://uonlibrary.uonbi.ac.ke | |
| E-Learning | 0204914036/ 0204914040/ 0204914010 | https://learning.uonbi.ac.ke | |
| Health Services | 0204916412/ 0721333522/ 0204913305 | cmo-uhs@uonbi.ac.ke | https://healthservices.uonbi.ac.ke | 
| Counselling & Mentorship | 0727805888 | ngigi@uonbi.ac.ke | https://studentlife.uonbi.ac.ke | 
| Career Services | 0204918114 | ||
| Scholarship and Bursaries | 0204918114 | https://studentlife.uonbi.ac.ke/ | |
| Financial Aid | 0204918114 | https://studentlife.uonbi.ac.ke/ | |
| Chaplaincy Services | 0204918114 | https://studentlife.uonbi.ac.ke/ | |
| Online Application | 0202726687/ 0204913180 | https://application.uonbi.ac.ke/ | |
| Exchange Programmes | 0202214917/ 318262 Ext. 28113 or 28135 Cellphone No.254-712-718808 | international@uonbi.ac.ke | https://international.uonbi.ac.ke/ | 
