Market Cross Jewellers in Yarm was broken into in November, and the Middlesbrough branch was targeted  in January.
The men, aged between 19 and 31, have been charged with conspiracy to commit robbery.
Money, watches and diamonds worth hundreds of thousands of pounds were taken in the raids, police said.
A 24-year-old local man has also been charged with criminal property and drugs offences and another man, also 24 and from the Manchester area, has also been charged with firearms offences.
Four men will appear at Teesside Magistrates' Court and three men will appear at Manchester Magistrates later.
A 24-year-old woman and two men from the Manchester area, aged 20 and 28, remain on bail.
Seven men have been charged in connection with two armed robberies at Teesside jewellery shops.