In the app / on the site
GTWorld / GTBank app → Get Help / complaints (or in-app chat)
Do this once, properly. Screenshot everything — you will attach it to the letter.
The escalation ladder
GTConnect contact centre
- 0700-482666328GTConnect (official GTBank channels)
- 0201-4480000GTConnect line
- 08029002900GTConnect line
- 08039003900GTConnect line
- 0904 000 2900 (WhatsApp)GTBank's stated authorised WhatsApp support number
Escalation form
- gtbank.com/escalation-formGTBank escalation form (unresolved complaints)
- Complaint email not verifiable on an official pageNot found — use the escalation form or walk into any branch and demand a written complaint reference
Outside escalation
- CBN Consumer Protection DepartmentAfter 2 weeks (or 30 days for charges/loans) without resolution
Regulator & ombudsman channels
- Central Bank of Nigeria — Consumer Protection Dept (CPD) https://complaintsportal.cbn.gov.ng/ — — cpd@cbn.gov.ng · complaints portal Escalate only after the bank fails to resolve within 2 weeks (30 days for excess charges/loans)
- CBN — Complaint Lodgement guide https://www.cbn.gov.ng/FinInc/FinLit/LodgeComplaint.html — — How to write the petition letter Official step-by-step guide incl. required contents of the complaint
Regulators almost always require proof that you complained to the company first. Attach your ticket numbers.
Public social channels
- @gtbank_help — Support handle referenced by GTBank's own communications
- gtbank — Official page (publishes GTConnect numbers)
Sources & verification
Every phone number, email and link on this page comes from these official pages, checked on 2026-11-04:
- GTBank — Escalation Form (official page)
https://www.gtbank.com/escalation-form - GTBank official Facebook — GTConnect numbers & authorised WhatsApp line
https://www.facebook.com/gtbank/posts/999130088919929 - CBN — Complaint Lodgement guide
https://www.cbn.gov.ng/FinInc/FinLit/LodgeComplaint.html - CBN — Consumer Complaints Management System portal
https://complaintsportal.cbn.gov.ng/