For a long time I used Quicken for personal finance stuff, and eventually for freelancing too. It did the job quite nicely for a while, but I hit a few blocks with it: the upgrades promised more than they delivered; the data format was so stupid it was effectively impossible to move to different software; and then they dropped support for the UK. When I moved to the Mac I discovered the Mac version was just terrible, so for a while it was the only Windows app I was stuck with. This was all some years ago.
The solution we ended up with is Moneydance. I’ve been using it now for at least a couple of years, and it’s worked out really well as a personal finance replacement for Quicken. It runs on the Mac, Windows, and Linux so no problems moving between operating systems. It’s sane. It works.
It’s weakness was in invoicing, and for that reason, I’ve never used it for business. It does VAT, it does produce reports, so you can use it for business, but I wanted a more complete package for business, so I’ve settled (again, for some years) on using MYOB. I find it a bit of odd in places but I think that’s more to do with accountancy than software. Unfortunately, I’m uncertain what’s happening with MYOB right now: looks like they’ve been moved to someone called Mamut, and I don’t know what the plans are there.
So whilst I can’t really suggest you look at MYOB (in the future I’ll be looking to move to something more on-line, I suspect), Moneydance has been an absolute star.