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RESOURCES

Guides, official sources and next steps

Answer-first guidance connected to calculators, Practice Mode, locations, official sources and professional help.

Starting a UK limited company
Starting a UK limited companyA limited company has separate Companies House and Corporation Tax obligations. Set up the entity, register the tax accounts that apply, keep accounting records and track the first filing deadlines.UK→
Sole trader tax guide
Sole trader tax guideSole traders normally report business profits through Self Assessment, with National Insurance and Making Tax Digital obligations depending on circumstances and qualifying income.UK→
VAT registration guide
VAT registration guideVAT registration depends on taxable turnover and special compulsory-registration rules. Voluntary registration may also be available.UK→
Corporation Tax filing guide
Corporation Tax filing guideCompany accounts, the Corporation Tax payment and the Company Tax Return have different deadlines. Keep the accounting period and filing obligations aligned.UK→
Self Assessment filing guide
Self Assessment filing guideA complete return may require supplementary pages for employment, self-employment, property, foreign income, gains, trusts and residence facts.UK→
PAYE and employer obligations
PAYE and employer obligationsEmployers need payroll registration, RTI reporting, PAYE/NIC calculations and benefit/expense reporting where applicable.UK→
Construction Industry Scheme guide
Construction Industry Scheme guideCIS can require contractor registration, subcontractor verification, deductions and monthly returns.UK→
Making Tax Digital for Income Tax
Making Tax Digital for Income TaxMTD for Income Tax is being introduced by qualifying-income thresholds and start dates. Digital records and compatible software become part of the compliance process.UK→
Starting an LLC
Starting an LLCAn LLC is formed under state law, but federal tax classification and state/local taxes depend on elections, owners, activity and location.USA→
EIN and federal setup
EIN and federal setupAn EIN identifies many businesses for federal tax and banking/employer purposes. Formation and tax classification should be kept distinct.USA→
Sales tax registration
Sales tax registrationSales tax registration should follow nexus and sourcing analysis. Registering in every state without a reason can create unnecessary filing obligations.USA→
Economic nexus guide
Economic nexus guideRemote sellers can create sales-tax obligations without physical presence when a state threshold is met. Threshold amounts, periods, transaction tests and marketplace rules differ.USA→
Marketplace facilitator rules
Marketplace facilitator rulesA marketplace may collect and remit sales tax on facilitated sales, but sellers can still have registration, reporting or direct-sales obligations.USA→
US payroll and employer tax
US payroll and employer taxHiring employees creates federal and state withholding/unemployment obligations and can also create physical nexus for other taxes.USA→
State annual reports
State annual reportsMany entities must keep state registrations in good standing through annual or periodic reports and fees, separately from income/franchise tax returns.USA→
County, city and district taxes
County, city and district taxesLocal obligations can include sales/use, income, payroll, gross-receipts, occupational and licence taxes. A ZIP is not the legal jurisdiction.USA→