Cumbria Life, Carlisle Living and Dumfries & Galloway Life are magazines between 96pp and 192pp, which will all be printed at the company's Rotherham facility in runs between 7,000 and 15,000.
CN Group publishing division managing director Terry Hall said the decision had been made easier because of the company's "long-standing relationship with Garnett Dickinson".
"Naturally, print quality is very important to us, but this needs to go together with high service levels and Garnett has a proven track record with us on both fronts," he added.
Garnett Dickinson has a turnover of £47m and employs 359 staff.
Cumbrian Newspapers sticks with Garnett Dickinson for mag work
Cumbrian Newspapers (CN Group) has renewed its contract with Garnett Dickinson to print three lifestyle magazines in a deal worth around 500,000 over two years.
