A total of 47 complaints were made against lawyers in Co Leitrim last year - an increase of 47 per cent on the previous year.
It was the seventh highest in Ireland last year - despite the fact the county is the least populated.
According to the Legal Services Regulatory Authority's annual report, it compares to eight in Roscommon and six in Longford.
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Just under 1,300 complaints were made nationwide - with 233 featuring an allegation of misconduct.