How to complain to GTBank in Nigeria

GTConnect phone lines and WhatsApp first, an escalation form on the bank's site second, then the CBN Consumer Protection Department โ€” banks must resolve within 2 weeks (30 days for charges/loans) before CBN steps in.

Nigeria Banking Sources verified 2026-11-04

In the app / on the site

GTWorld / GTBank app โ†’ Get Help / complaints (or in-app chat)

Do this once, properly. Screenshot everything โ€” you will attach it to the letter.

The escalation ladder

L1

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
L2

Escalation form

  • gtbank.com/escalation-formGTBank escalation form (unresolved complaints)
  • Complaint email not verifiable on an official pageNot found โ€” use the escalation form or walk into any branch and demand a written complaint reference
L3

Outside escalation

  • CBN Consumer Protection DepartmentAfter 2 weeks (or 30 days for charges/loans) without resolution

Regulator & ombudsman channels

Regulators almost always require proof that you complained to the company first. Attach your ticket numbers.

Public social channels

Next step: put it in writing

Generate a formal complaint letter for GTBank โ€” escalation demand and regulator notice included.

Write my GTBank complaint letter

Sources & verification

Every phone number, email and link on this page comes from these official pages, checked on 2026-11-04:

  1. GTBank โ€” Escalation Form (official page)
    https://www.gtbank.com/escalation-form
  2. GTBank official Facebook โ€” GTConnect numbers & authorised WhatsApp line
    https://www.facebook.com/gtbank/posts/999130088919929
  3. CBN โ€” Complaint Lodgement guide
    https://www.cbn.gov.ng/FinInc/FinLit/LodgeComplaint.html
  4. CBN โ€” Consumer Complaints Management System portal
    https://complaintsportal.cbn.gov.ng/