Kiambu County has posted its strongest revenue performance since the introduction of devolution, collecting a record Sh6.5 billion in own-source revenue during the 2025/26 financial year as reforms in revenue collection continued to pay off.
Governor Kimani Wamatangi announced the milestone on Tuesday at the county headquarters, saying the county has more than doubled its collections over the past four years. Revenue has risen from Sh2.9 billion in 2022 to Sh6.5 billion this year, an increase of more than 124 per cent.
He said the improved collections were driven by the introduction of an Enterprise Resource Planning (ERP) system, which has automated county services, including revenue collection, helping close loopholes that previously led to revenue losses.
Figures from the Controller of Budget and the Kiambu County Treasury show the county has recorded steady growth in own-source revenue over the years. Collections increased from Sh2.9 billion in the 2021/22 financial year to Sh3.6 billion in 2022/23, before rising to Sh4.6 billion in 2023/24, Sh5.45 billion in 2024/25 and finally Sh6.5 billion in 2025/26.
"The increase is because we have sealed all the leakages that were facilitating pilferage of revenue collection," Wamatangi said.
He noted that a Treasury and World Bank survey conducted in 2020 estimated Kiambu could generate as much as Sh13 billion in revenue annually.
The Controller of Budget also linked the improved collections to the rollout of the Huduma Mashinani programme, better health services and improvements made to the county's ERP revenue module.
According to the governor, the additional revenue has enabled the county to expand development projects across various sectors. He said the county has built 512 ECDE centres, 32 hospitals, 26 markets and eight bus parks, installed 12,000 solar streetlights and renovated and equipped existing health facilities.
Finance Executive Nancy Kirumba said the rise in own-source revenue has pushed the county's development budget to more than Sh8 billion.
She said Kiambu is now aiming to collect Sh8.9 billion in the current financial year.
Kirumba added that the ERP system gives the county the ability to monitor revenue in real time while automating services such as business licensing, market fee collection, parking charges, slaughterhouse fees, land management, hospital information management, human resource management, fleet management and development approvals.