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Limitations & Coverage

Honest limits make the rest of the data trustworthy. This page collects the modelling boundaries that apply across rankings, calculators, comparisons, and country profiles, plus a live coverage snapshot showing how much of the dataset is verified for each category.

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Quick answer

GeoBusinessIQ models headline, comparable figures across covered jurisdictions; it does not model effective tax, personal residency, treaty relief, local surtaxes, or per-account vendor decisions — and it states coverage explicitly rather than implying completeness.

Headline, not effective

Tax figures are headline statutory rates for cross-country comparability. Your effective rate depends on deductions, incentives, timing, and local taxes that vary by business and are outside the dataset. The effective-tax-rate calculator exists precisely to bridge that gap on your own numbers.

Coverage is stated, not implied

Some categories are verified for a subset of jurisdictions — personal income tax, for example. Rather than imply uniform coverage, the live snapshot below states exactly how many jurisdictions are verified for each category, and reusable coverage and confidence notes carry that wording onto the pages that use the data.

Company jurisdiction is not personal residency

Where a company is incorporated and where a founder is personally taxed are separate questions. GeoBusinessIQ models company-operating factors only; personal tax residency is individual and treaty-dependent and should go to a qualified cross-border advisor.

Coverage status

Country profiles
13 jurisdictions
Personal income tax
3 of 13 verified
Corporate tax & VAT
13 of 13 (headline rates)
First-party Stripe
13 of 13 jurisdictions

Personal income tax data is currently verified for 3 jurisdictions (Germany, Poland, and United Kingdom).

Methodology notes

  • The coverage snapshot below is computed from the typed dataset, so it stays accurate as coverage grows.
  • Reusable DataLimitations, CoverageStatus, and ConfidenceNote components carry this wording consistently across the site.

Data limitations

  • Corporate tax figures apply the headline statutory rate only — they exclude deductions, incentives, local surtaxes, and timing.
  • VAT figures are standard rates only; reduced/zero rates, thresholds, and exemptions are not modelled.
  • Dividend tax reflects the default non-treaty rate; treaty relief and participation exemptions are not modelled.
  • Formation costs are approximations and may vary by provider, package, and entity type.
  • Payment-provider availability reflects the most recent review and may change over time.
  • Company-jurisdiction data does not model personal tax residency.

FAQ

Why not model effective tax for every country?
Effective tax depends on business-specific deductions, incentives, and timing that no cross-country headline dataset can capture. We model the comparable headline figure and provide a calculator to estimate effective tax on your own numbers.
Why is personal income tax only verified for some jurisdictions?
Personal tax modelling requires verifying bands, social charges, and caps per jurisdiction. We publish the verified set and state the count explicitly rather than implying full coverage.

Related

Sources

  • OECD — OECD — economic and tax statistics (accessed ; reviewed )
    Covers: Comparable corporate tax, statutory rate, and economic indicators across member and partner economies.
    Does not cover: Effective tax rates, deductions and incentives, local surtaxes, and personal residency rules.
    Why it matters: Used as a cross-country baseline to sanity-check rates against primary tax-authority figures.
    Review cadence: Annual, plus on major statutory changes.
  • PricewaterhouseCoopers — PwC Worldwide Tax Summaries (accessed ; reviewed )
    Covers: Corporate income tax, VAT, and dividend withholding rates across most covered jurisdictions.
    Does not cover: Your specific effective rate, bespoke incentives, rulings, or transactions requiring professional advice.
    Why it matters: Used to triangulate rates against primary tax-authority sources, not as the sole authority.
    Review cadence: Updated by the publisher per tax year; re-checked each data review.
  • European Commission — European Commission — policy and country information (accessed ; reviewed )
    Covers: EU policy framework including the VAT One-Stop-Shop and single-market rules.
    Does not cover: Member-state-specific reduced rates, national thresholds, or non-EU jurisdictions.
    Why it matters: Used for EU/EEA market-access and VAT-OSS framing referenced across rankings and guides.
    Review cadence: On policy change; re-checked each data review.

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