The agency remains top in terms of the number of AIM-listed clients it advises, with 104 on its books.
In second place is FD with 79, followed by Abchurch Communications with 64. Buchanan also tops the list for FTSE AIM 100 companies advised, followed by Citigate Dewe Rogerson and FD.
Buchanan holds the top spot in the majority of sector rankings, including healthcare and industrial, and recently consumer service where a single-client gain sees the firm share first place with College Hill.