Free resources can be a great place to start looking for some initial help and ideas. You should always combine this with expert help.
A good place to start is the local government websites and sign up for their updates on tax and compliance:-
ATO; Home | Australian Taxation Office
IRD; Inland Revenue - Te Tari Taake
UK Inland Revenue; Business tax and VAT - GOV.UK
New Zealand National Security Centre; Critical Controls: Summary
Xero Continuity Plan; Business Continuity Plan Template | Xero NZ