He said: "I know that KCS will go from strength-to-strength having already weathered the recession.
"We have a fantastic team of people here and I look forward to the challenge of growing KCS further. There are exciting times ahead for us."
Teverson added: "I am delighted that Gordon has moved into this role to grow the company and give us a secure future for development.
"I am taking on more of the marketing of the company on a daily basis and will remain as chairman."
Launceston, Cornwall-based KCS is a trade manufacturer of integrated labels and continuous forms.