The standalone title is in a large format and showcases high street fashion, designer fashion news and insider information from fashion PRs.
It goes on sale from March 5th with an initial print run of 110,000 copies and a cover price of £3.99.
Company editor Victoria White describes High-Street Edit as "a title for women who love high fashion, but find themselves stuck between weeklies and designer-only fashion magazines".
The first issue carries 132 pages of fashion and is produced by the same editorial and fashion team as Company magazine.
The launch of the High-Street Edit will be supported by cross-brand ads in NatMag titles Company, Cosmopolitan, Reveal and Harper's Bazaar.
Meribeth Parker, group publishing director of NatMag's Young Women's Group, said: "We've already had a fantastic reaction to this project from both the industry and advertisers.
"Company has always been a strong authority on high-street fashion, and having the High-Street Edit out and on sale will further solidify our position of really knowing what young women want."
Company sold an average of 240,035 copies between July and December last year, which was an increase of 4.3% period on period and virtually flat on the year at -0.1%, according to the latest set of ABCs.
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