 In 1826 he was appointed part of the first Legislative Council of Tasmania, which he remained a member of until he resigned due to ill health in 1845.In 1842, he joined the bank founded by his brothers two years earlier, Archer, Gilles and Co, however the banks failure in 1844 lost significant money for Thomas and the bank was absorbed by the Union Bank of Australia, which would go on to become ANZ Thomas died of dropsy in 1850.Edward Archer was the third surviving son of William Archer of Hertfordshire.