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Country Tax Guides

ACCOUNTING · TAX

Country Tax Guides

Clear, practical guides to how tax works in major economies — bands, rates, allowances, filing and compliance. Built for business owners, finance professionals and anyone navigating tax across borders. Each country is broken into focused, in-depth articles you can actually use.

This hub grows over time. We start with the United Kingdom and add new countries as full guides — each with its own set of deep-dive articles on income tax, business tax, compliance and more.
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United Kingdom Tax Guide

A complete 25-article guide to the UK tax system for the 2025/26 tax year — covering income tax and PAYE, VAT, corporation tax and business, capital gains and inheritance tax, and compliance with HMRC. Figures reflect the latest Budget; always confirm current rates on GOV.UK.

How the UK Income Tax System Works: Bands, Rates and Allowances (2025/26)

How the UK Income Tax System Works: Bands, Rates and Allowances

Bands, rates, the Personal Allowance and the fiscal-drag effect of frozen thresholds.

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What Is PAYE? How UK Pay As You Earn Tax Works (2025/26)

What Is PAYE? How UK Pay As You Earn Tax Works

How Pay As You Earn deducts tax and NIC from wages, tax codes and RTI reporting.

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UK Personal Allowance & Tax-Free Thresholds Explained (2025/26)

UK Personal Allowance & Tax-Free Thresholds Explained

The £12,570 allowance, the £100k taper and the savings, dividend and Marriage allowances.

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UK Self Assessment Tax Return: Who Files, Deadlines & Penalties (2025/26)

UK Self Assessment Tax Return: Who Files, Deadlines & Penalties

Who must file, the 31 January deadline, payments on account and late-filing penalties.

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UK National Insurance Contributions: Classes, Rates & Thresholds (2025/26)

UK National Insurance Contributions: Classes, Rates & Thresholds

Employee, employer and self-employed NIC rates and how they build your state pension.

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VAT & Indirect Tax

Everything a UK business needs on Value Added Tax — how it works, when to register, Making Tax Digital, reclaiming input VAT, and the rates and exemptions that affect pricing and recovery.

How UK VAT Works: Rates, Input Tax & Output Tax Explained

How VAT works — output and input tax, the three rates, and who bears the cost.

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UK VAT Registration: The £90,000 Threshold & VAT Schemes

The £90,000 threshold, voluntary registration and the Flat Rate, Cash and Annual schemes.

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Making Tax Digital for VAT: Rules, Software & Penalties

Digital records, compatible software, digital links and the points-based penalty system.

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How to Reclaim VAT in the UK: Input Tax, Blocks & Reliefs

Input tax recovery, blocked VAT, invoice evidence, partial exemption and reliefs.

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UK VAT Rates Explained: Standard, Reduced, Zero-Rated & Exempt

Standard, reduced, zero-rated and exempt — and why the distinctions matter.

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Corporation Tax & Business

For limited companies and their owners — corporation tax rates and marginal relief, R&D credits, capital allowances, how to pay yourself, and choosing the right business structure.

Capital Gains & Inheritance Tax

The taxes on wealth and its transfer — Capital Gains Tax on investments and property, Business Asset Disposal Relief, and Inheritance Tax thresholds, reliefs and estate planning.

Compliance, HMRC & Cross-Border

Staying on the right side of HMRC — enquiries and penalties, tax residence after the end of non-dom, double taxation relief, Making Tax Digital for Income Tax, and record-keeping and deadlines.

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United States Tax Guide

A complete guide to the US federal tax system for the 2025 tax year, reflecting the 2025 One Big Beautiful Bill Act — from income tax brackets and deductions through filing, credits, payroll, investments, business taxes and the IRS. Figures are federal; state taxes vary. Always confirm current figures on IRS.gov.

Federal Income Tax & Filing

The foundations of US federal income tax — how the brackets work, choosing between the standard deduction and itemizing, filing status, Form 1040, and the credits that cut your bill.

Payroll, Self-Employment & FICA

The payroll side of US tax — FICA for employees, the 15.3% self-employment tax, the W-2 versus 1099 distinction, withholding and estimated payments, and employer payroll obligations.

US FICA Taxes: Social Security & Medicare Explained

The 6.2% Social Security rate, $176,100 wage base, 1.45% Medicare and the high-earner surtax.

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US Self-Employment Tax: The 15.3% Explained

The 15.3% rate, the half-tax deduction, and how an S-corp can reduce it.

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W-2 vs 1099: Employee or Contractor Tax Differences

How employees and contractors are taxed, classification rules and misclassification risks.

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US Tax Withholding & Estimated Taxes: W-4, Quarterly Payments & Safe Harbor

The W-4, quarterly estimated payments, the underpayment penalty and safe harbors.

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US Payroll Taxes for Employers: FICA, FUTA & Compliance

Withholding, matching FICA, FUTA/SUTA, the key forms and the Trust Fund Recovery Penalty.

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More countries coming soon

United States, Germany, Turkey, UAE and more — each with a full guide to income tax, corporate tax, VAT and compliance. Bookmark this page and check back as the series expands.

Disclaimer: These guides provide general information, not tax advice. Tax rules vary by individual circumstance and change with each Budget and Finance Act. Always confirm current figures with the relevant tax authority or a qualified adviser.