Specialist home lender Firstmac, which has been the subject of market speculation in recent months about a sale or partial sale, shrugged off any doubts about the quality of its business with a strong profit result for the year to June.The company also showed that mortgage securitisation, which is its main source of funds, remains a viable funding option.Firstmac reported net profit of A$11.6 million for the 12 months to June - a substantial increase over earnings of $3.7 million in 2014/15.The company's loan book grew almost $1 billion from $6.64 billion in 2014/15 to $7.59 billion in the year to June. Interest income rose more than $30 million to $351.2 million.The bulk of the loan book is made up of mortgages but the company also has a small equipment and automotive funding business, which had a loan balance of around $10 million.During the year to June Firstmac issued more than $1.2 billion of term notes comprising three securitisation trusts.The impairment loss increased from $539,000 to $1.01 million.The company paid off $8 million of corporate debt.A growing volume of the company's mortgages are sold through its subsidiary, online mortgage distributor loans.com.au, which also released its financial report yesterday.Loans.com.au made a profit of $2 million - down from $3.5 million in 2014/15. Commission income fell more than $2 million.The company did not provide any commentary to explain this fall, nor did it respond to a request for comment.