Teris is owned by (in order by size of ownership):
- Byr Savings Bank
- SPRON - Reykjavik Savings Bank
- Keflavik Savings Bank
- Icebank
- Myrarsysla Savings Bank
- Bolungavik Savings Bank
- Vestmannaeyja Savings Bank
- AFL Savings Bank
- Svarfdaelir Savings Bank
- Nordfjordur Savings Bank
- Sudur-Thingeygingar Savings Bank
- Olafsfjordur Savings Bank
- nb.is Savings Bank
- Kaupthing Savings Bank
- Thorshofn Savings Bank
- Strandamanna Savings Bank
- Hofdhverfinga Savings Bank
- VBS Investment Bank
- SP Fjarmognun - (leasing company)
- Frjalsi Investment Bank
- Spron factoring
- Spron treasury
- Okkar Lif (life insurance)
- Savingsbanks fund management
- NordVest Verðbréf hf.
- MP Bank