Short verdict
Choose QuickBooks Online when the business wants broader accounting coverage and recognisable SMB depth. Choose FreeAgent when the business is smaller and wants accounting admin to stay lean and proportionate.
Pricing considerations
FreeAgent is often the more proportionate spend for freelancers and very small service businesses. QuickBooks Online becomes easier to justify once broader bookkeeping needs, extra reporting or longer-term team growth enter the picture.
Ease of use comparison
FreeAgent usually feels lighter for solo operators and smaller teams. QuickBooks Online is still accessible, but it behaves more like a mainstream accounting platform with a little more structural weight behind it.
Implementation and migration comparison
Both can be launched without major drama, though FreeAgent is usually the quicker move for very small businesses. QuickBooks Online is the safer destination when the business wants to grow into broader accounting coverage rather than staying deliberately lean.
UK small business suitability
FreeAgent is especially suited to UK freelancers, contractors and compact service businesses. QuickBooks Online fits a broader range of UK SMBs that want mainstream accounting breadth without leaning too heavily into adviser-led workflows.