We’ve tweaked the market share trends report to include a parameter allowing users to easily group retail parent company market shares. Comparisons can be made between the 4 or 5 largest incumbent retailers and the remainder of the market.

A couple of examples are:

The national market share held by the 5 largest incumbent retailers continues to fall dropping by over 1 per cent in the last year to 91 per cent.

National market share held by the 5 largest incumbent retailers and others

 

The combined share of smaller retailers (those outside the 5 largest incumbents) has just overtaken Mercury's market share in the South Inland. 

South Island market share by parent company