By Michael Williams
Kenya’s Competition Tribunal (the “Tribunal”) has upheld the Competition Authority of Kenya’s (the “CAK”) steelcartel decision, dismissing individual appeals brought by seven manufacturers and affirming the penalties and remedies imposed in 2023. The Tribunal rejected appeals by Tononoka Rolling Mills, Blue Nile Wire Products, Devki Steel Mills, Accurate Steel Mills, Nail & Steel Products, Corrugated Sheets and Jumbo Steel Mills, cementing the CAK’s finding of price-fixing, coordinated price adjustments and output/ import restrictions in the steel value chain.
This ruling was handed down in two tranches: on 9 July 2025 (Accurate, Blue Nile, Devki, Nail & Steel, Tononoka) and on 11 September 2025 (Corrugated Sheets, Jumbo Steel), each time siding with the Authority. In total, the Tribunal affirmed KES 287.9 million in penalties for the seven appellants. The Tribunal further held that the CAK had afforded the parties due administrative process under Article 47 of the Constitution, the Fair Administrative Action Act and the Competition Act.
The decision handed dawn on 15 October 2025 is a natural sequel to the CAK’s 23 August 2023 decision, when the CAK imposed record penalties of KES 338.8 million on nine steel producers for a cartel that, per the CAK, distorted construction-input pricing. Five firms reached settlements with the CAK, while the seven above pursued and have now lost their appeals.
Notably, during the appeal phase Doshi & Company (Hardware) Ltd and Brollo Kenya Ltd concluded out-of-court settlements with the CAK, illustrating the CAK’s willingness to resolve matters via settlement and compliance undertakings, even mid-litigation.
For context, the AfricanAntitrust 2023 coverage highlighted that the CAK’s original fines constituted the highest cartel penalties in the CAK’s history to that date, following a twoyear investigation that drew on search-and-seizure and market-intelligence evidence. With the Tribunal now endorsing the CAK’s analysis and process, the core liability findings stand, and the fine levels (for the seven appealing firms) are confirmed.
Why this matters:
i) The Tribunal’s decisions strengthen precedent on price-fixing/ output restrictions in Kenya’s construction-inputs sector and validate CAK’s investigative toolkit and evidence assessment.
ii) Appellants remain bound to cease collusion and implement internal competition-law compliance programmes.
iii) The CAK links steel-cartel conduct to higher housing and infrastructure costs, this outcome supports the CAK’sbroader enforcement narrative across the building materials market
The breakdown of the KES 287,934,697.83 penalties, as concurred by the Tribunal are as follows:
Corrugated Sheets (86,979,378.53); Tononoka Rolling Mills (62,715,074.03); Devki Steel Mills (KES 46,296,001.25); Jumbo Steel Mills (KES 33,140,459.40); Accurate Steel Mills (KES 26,826,344.31); Nail & Steel Products (KES22,816,546.01); Blue Nile Wire Products (KES9,160,894.30).
What’s next
Unless pursued further on points of law, the Tribunal’s decision bring this enforcement chapter close to closure. Penalties, compliance obligations remain, and CAK’s leniency and Informant Reward Schemes continue to beckon for future cartel detection.
In conclusion, and by quoting the CAK’s Director-General, Mr. David Kemei, “The Tribunal’s findings affirm the CAK’s unwavering commitment to protect Kenyan consumers and businesses from the damaging effects of cartel conduct, and the veracity and completeness of our evidence-gathering, analysis and decision-making processes.”






