As of 31 December 2025, Kenya’s banking sector crossed a major regulatory milestone. Commercial banks were required to meet a minimum core capital threshold of KSh 3 billion, following amendments to the Business Laws Act implemented by the Central Bank of Kenya (CBK).

While most banks complied comfortably, regulatory filings indicate that 10 banks closed 2025 below the required core capital level, placing them under heightened supervisory scrutiny as the sector enters 2026.

Core capital — also referred to as Tier 1 capital — consists mainly of shareholders’ equity and retained earnings. It is the most critical measure of a bank’s financial strength, acting as the first buffer against losses and a key safeguard for depositors.

Banks That Fell Short of the Requirement

Based on the latest available disclosures covering the period up to September 2025, the following institutions remained below the KSh 3 billion threshold at year-end:

Several of these banks showed limited or no capital growth during 2025, while others made progress but failed to cross the regulatory line before the deadline.

What Non-Compliance Means in 2026

Missing the deadline does not automatically trigger closures, but it does change the regulatory posture. Banks below the minimum core capital now face enhanced supervision and potential corrective actions from CBK.

These may include:

CBK’s historical approach has prioritised orderly consolidation and depositor protection, rather than abrupt market exits.

A Widening Gap in the Sector

The contrast with compliant banks is stark. Kenya’s tier-one and tier-two lenders entered 2026 with substantial capital buffers. KCB, Equity, Co-operative Bank, NCBA, Absa, Standard Chartered, and Stanbic all reported core capital levels far above the minimum, in some cases exceeding KSh 50–160 billion.

This capital strength gives larger banks greater capacity to lend, absorb shocks, invest in technology, and pursue regional expansion — advantages that smaller, undercapitalised banks increasingly lack.

Why This Matters Beyond Regulation

The KSh 3 billion rule marks a structural shift in Kenyan banking. The post-2025 environment favours scale, strong shareholders, and sustainable profitability. Smaller banks now face strategic decisions: raise new equity, merge, refocus on niche markets, or exit.

For customers, the policy strengthens system stability and depositor confidence. For investors, it accelerates consolidation. And for regulators, it reinforces a long-term goal: a leaner, better-capitalised, and more resilient banking system.

As 2026 begins, capital adequacy is no longer a future requirement — it is now the defining line between compliance and correction in Kenya’s banking sector.

By Thuita Gatero, Managing Editor, Africa Digest News. He specializes in conversations around data centers, AI, cloud infrastructure, and energy.