VAT www.gov.uk/vat-registration/when-to-register www.gov.uk/government/publications/employment-allowance-increase-to-3000/employment-allowance-increase-to-3000 Pensions & auto enrolment www.thepensionsregulator.gov.uk CIS www.gov.uk/what-is-the-construction-industry-scheme EC Sales and Intrastat www.gov.uk/guidance/vat-how-to-report-your-eu-sales secure.hmce.gov.uk/ecom/is2/static/is2.html Xero, Sage, Quickbooks Xero Sage Quickbooks