Sesame was the subject of more Financial Ombudsman Service complaints than any other advice firm in the first half of the year.
The FOS has today published a breakdown of the complaints it received in the first half of 2014.
It received 197 complaints about Sesame, down by 33 per cent year-on-year. Some 26 per cent of complaints against the firm were upheld.
St James’ Place was the second most complained about advice firm, receiving 77 complaints between January and June, of which 42 per cent were upheld. The number of complaints against the firm is down by 21 per cent year-on-year.
Openwork was the third most complained about adviser business, with 73 complaints, 21 per cent of which were upheld. The number of complaints is down by 49 per cent year-on-year.
The FOS received 55 complaints about Personal Touch Financial Services, down from 88 a year ago, and of which 29 per cent were upheld.
Finally, the FOS received 48 complaints against Hargreaves Lansdown during the six-month period, of which just 17 per cent were upheld.
There is no comparative figure for Hargreaves Lansdown for the first half of 2013, as the FOS only publishes data were it has resolved at least 30 complaints over a six-month period.
The data also shows that Prudential topped the list of most complained about life and pensions firms.
The provider received 330 complaints in the first half of the year, up from 309 in the first half of 2013, although only 17 per cent of complaints were upheld.
It is followed by Phoenix Life with 327 complaints, down from 364 a year ago. The FOS upheld 23 per cent of complaints against the firm.
For investment complaints, Lloyds TSB topped the list with 139 complaints, down 47 per cent year-on-year. The FOS upheld 30 per cent of complaints against the firm.
Barclays was the second most complained about investment firm, with 138 complaints lodged against it in the period, 57 per cent of which were upheld. The number of complaints is down by 40 per cent year-on-year.
Bank of Scotland received the highest number of mortgage complaints in the first half of the year at 1,062 complaints. This is up by 15 per cent year-on-year, and the bank had an uphold rate of 38 per cent.
Complaints against Legal & General Partnership Services rocketed between the first half of 2013 and the first half of 2014, from 52 to 447, making it the fourth most complained against firm for mortgages.
However, only 11 per cent of complaints lodged against it were upheld in the first half of the year.