Jira may be extremely sluggish and require a large amount of memory on the client side.
I can only speak to the UK, but I have found FreeAgent to be an amazing tool for running a limited company in the UK.
I have managed to integrate all of my bank accounts, Barclays, wise, capital on tap and have payments only auto explain, that and their API enables me to feed in Stripe invoices automatically and have them marry up with payments. Making day to day accounting easy.
I log in once a week and everything is just there. Once a month I press submit payroll and I am basically done, no need to pay for an expensive payroll service.
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
FreshBooks - The ideal accounting software for small business owners.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Xero - Xero is online accounting for your small business.
Wrike - Wrike is a flexible, scalable, and easy-to-use collaborative work management software that helps high-performance teams organize and accomplish their work. Try it now.
QuickBooks - Business runs better with QuickBooks, the #1 accounting solution for small business.