George Betjemann started as an apprentice cabinet maker from a young age working for his Father in Law. In 1848, his two sons George William Betjemann and John Betjemann joined him under apprenticeships until 1846 when George William Betjemann started his own business with his two sons. In 1859 George moved to a new premises on Pentonville road, London. This was when the business became known as ‘Betjemann & Sons’. John Betjemann was grandfather of the later famous poet laureate Sir John Betjemann.