Harbour Asset Management portfolio manager Shane Solly said a modest, single-digit lift in earnings was expected across the market, reflecting low revenue growth, but he did not expect "any real broad earnings weakness".
"Dividends should be maintained, with potential for some companies to increase dividends or consider other capital management activity," Solly said.
Lister said the many sharemarket listings in recent months had been a distraction for the market. "A good reporting season will, potentially, bring the focus back on to some of the blue chips and the established companies," he said.
Lister said companies with exposure to Australia - including casino operator SkyCity, Fletcher Building and healthcare distributor Ebos - could be impacted by that country's sluggish economic outlook.
Forsyth Barr analysts have forecast a 3.4 per cent lift in normalised profit, at an aggregated level, for the 48 companies reporting this earnings season.
While the building and transport sectors had a positive outlook, negative growth expectations from the utilities, retail and telecommunications sectors were depressing overall growth expectations for the market, Forsyth Barr said.
Telecom will change its name to Spark on August 8 before it reports its full-year result on August 22. Forsyth Barr said the telco's result would be driven by cost reduction efforts.