In the future, please do a search on this subject. There are many and I mean many threads on this subject.
Myself, I'm happy with QuickBooks Pro(around $300 u.s.). I'm able to at a glance:memorize my bills so I can print invoices for the days route schedule in less than 10 minutes(sometime over 63 clients) see who is delinquent, job cost exct...
Other software specific to this trade: lawnmonkey, clip, are very good products but for simple acccount with more features at a resonable cost qb is the way to go.
J-LC Landscaping & Maintenance Gardening
C-27 CA. Contr# 770044