ComCom issues warning to Blenheim bricklayers over suspected cartel conduct

Commerce Commission chair John Small. (Image: Commerce Commission)

Mon, 06 Oct 2025

The Commerce Commission has issued a warning to several bricklayers in the Blenheim area after an investigation into suspected cartel conduct.G J Marfell Ltd, Mike Vis Bricklaying Ltd and bricklayers Benjamin Robertson and Andrew Dwyer were issued warnings for conduct that involved the use of courtesy calls, including in the form of text message exchanges, to discuss quotes for projects.Commerce Commission chair John Small said such discussions, particularly when specific pricing is disclosed, can lead to cover pricing, which is a form of bid-r...

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