Nigeria, April 1 -- Guaranty Trust Holding Company (GTCO) saw its 2025 earnings drop by 14.9 per cent in a year when other income shrank, and weak revenue growth could not shield profit from the impact of surging costs.

Post-tax profit for Nigeria's biggest financial services group by market value slid to N865.7 billion in 2025 from N1 trillion a year ago, according to its recently issued audited accounts, its first profit drop in three years.

An annual growth rate of 0.1 per cent in gross earnings, which inched up from N2.1 trillion to N2.2 trillion, laid the foundation for the result.

In the same vein, operating income slowed generally across key operations of Guaranty Trust Bank, the group's flagship and commercial banking division,...