He joined the firm over a year ago and will oversee a team of 75 people in his new role.
Timms said he is “excited” to be given the opportunity to help “drive UHY’s Nottingham office forward”.
He said: “We have ambitious growth plans for the firm in Nottingham and the wider East Midlands region, and the business is very well positioned to take advantage of the market.”
Timms succeeds Simon Browning, who joined UHY at the start of 2014 and became partner in charge of the firm’s Nottingham office in 2017.
He added: “My priorities going forward are to continue his leadership and really focus on helping our clients. I admire entrepreneurs who can create wealth and employment through their hard work.
“Our role at UHY is to help them facilitate whatever it is that they are trying to achieve, either directly through the services we offer or through our network of contacts.”
Subarna Banerjee, managing partner of UHY’s London and Nottingham offices said: “Andrew joined us over a year ago, which has given him the opportunity to immerse himself into our values, ethos and ambitions.
“Andrew has the commitment, ambition and experience to continue our growth and we’re delighted to have him driving UHY’s Nottingham office forward.”