The phrase "a group asserts" is correct and usable in written English.
It can be used when indicating that a collective entity is making a statement or claim.
Example: "In their recent report, a group asserts that climate change is accelerating at an unprecedented rate."
Alternatives: "a group claims" or "a group states".
Randy Serragio of the Center for Biological Diversity, a conservation group, asserts that every attempt to enact significant changes of the law has failed because of campaign contributions to lawmakers from the mining companies.
The National Association of Broadcasters, a radio industry lobbying group, asserts, however, that the federally licensed stations are exempt from paying such fees.
The group asserts that a 1919 homeowners' covenant allows only single-family homes in the area.
Public Citizen, the liberal consumer group, asserts in a new report, "These sham issue ads are really designed to help industry allies who face tough re-election campaigns".
"'All-American Muslim' is propaganda clearly designed to counter legitimate and present-day concerns about many Muslims who are advancing Islamic fundamentalism and Sharia law," the Florida group asserts in a letter it asks members to send to TLC advertisers.
The group asserts that stock-based compensation is "plainly a cost of doing business".
The group asserts that pedestrian-friendly communities improve social interaction and physical fitness and reduce crime.
Somewhere between personal preferences and social custom, moreover, the peer group asserts itself.
The group asserts that Abortionismurder.com has violated its trademarks and federal laws prohibiting "cybersquatting," taking an online name that rightfully belongs to someone else.
The group asserts that men are oppressed in American society and aims to push back against feminism.
