Oct 27 (Reuters) - Insurance broker Aon reported a third-quarter profit on Friday that beat analysts' estimates, helped by growth at its commercial risk solutions business.

There has been an uptick in companies spending on employee benefit plans encompassing health, retirement and investment management.

Revenue at Aon's commercial risk solutions unit rose 7% to $1.59 billion in the quarter.

On an adjusted basis, the company earned $2.32 per share, compared with estimates of $2.21, according to LSEG data.

Aon's total revenue rose nearly 10% to $2.95 billion. (Reporting by Jaiveer Singh Shekhawat in Bengaluru; Editing by Shounak Dasgupta)