Debt restructuring company FSA Group suffered a fall in earnings for the year to June, due to a drop in new client numbers.Net profit was down 18 per cent to A$10.7 million. After adjusting for a $2.4 million unrealised loss on an interest rate swap, normalised profit was down five per cent to $12.3 million.The company claims to be the largest provider of debt agreements, personal insolvency agreements and bankruptcy services in Australia. It also has a consumer lending division, providing non-conforming home loans and vehicle finance.It suffered a loss of share in 2015/16, with new client numbers for debt agreements down five per cent and new client numbers for personal insolvency agreements and bankruptcy down ten per cent.The company said the drop in business activity was the result of "staffing challenges" in the December half. The division's pre-tax profit fell four per cent to $14.2 million.During the year the company had 19,553 debt agreement clients and 1424 personal insolvency and bankruptcy clients. It administered $346 million of unsecured debt under debt agreement.Consumer lending was a more positive story. The loan pool grew 18 per cent to $282 million and pre-tax profit for the division was up three per cent to $5.2 million.Westpac provides the bulk of the funding support for FSA's lending programs.FSA sold its business lending operation, with about $30 million of factoring finance, during the year.The company said competition in the sector had reduced margins to a point where it could not make an adequate return.