Calculators, country data, and public-record profiles for cross-border workers, investors, and due-diligence researchers. Every number traces back to its primary source.
24
Calculators
across 19 countries
171
Country comparisons
every pair, auto-generated
26
Long-form guides
with worked examples
11
Entity profiles
companies + executives + politicians
Hand-built, fully tested, with worked examples and primary-source citations.
7 brackets, FICA, AMT-aware. Single / MFJ / HoH.
Personal Allowance taper, NI Class 1, student loans.
Lean / Regular / Fat / Coast / Barista with Trinity 4% rule.
Full amortization, PMI auto-handled per HPA.
§32a EStG five-zone schedule with optional Soli.
After-tax retirement value across both contribution types.
Apples-to-apples take-home at common income points.
Compound dividends with reinvestment + tax drag toggles.
Pick two of the 19 countries we model. We compute take-home, effective rate, and marginal rate side-by-side at common income points.
At $100,000 USD gross income
US
$79,180
Effective 20.8% · Marginal 22.0%
UK
$71,364
Effective 28.6% · Marginal 40.0%
How effective tax rate scales with income across three benchmark jurisdictions. Shows where progressivity bites hardest.
Single filer, USD income converted at the default FX. Tax only — payroll / social charges are excluded for this view.
Public-record profiles built from SEC EDGAR, Wikidata, and official press kits. No personal-life details, no characterization.
Public-record disclosures filed under the STOCK Act of 2012, aggregated per member with most-traded tickers, recent transactions, and 45-day disclosure-delay flagging.
Browse the trackerFeatured trader
US House · Democrat · CA-11 · in office since 1987
Latest reported trade
NVDA · Purchase · $1,000,001 - $5,000,000
Trade 2025-12-31 · disclosed 2026-01-14 (14d delay)
Practitioner-grade walkthroughs with worked examples and primary-source citations.
investing
The £20,000 annual ISA allowance, the four ISA types (Cash, S&S, Innovative Finance, Lifetime), why long horizons make Stocks & Shares the obvious win, and the Lifetime ISA government bonus.
Reviewed 2026-04-27
investing
The two plan provisions that have to coexist for the mega backdoor to work, the after-tax sub-account math, in-service distribution vs in-plan Roth conversion mechanics, and the IRC §415 ceiling.
Reviewed 2026-04-27
salary
Why executives elect into NQDC plans, the 409A timing rules that nuke flexibility, the unsecured-creditor problem that can wipe out a balance in bankruptcy, and how to structure distributions.
Reviewed 2026-04-27
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Money tools (calculators), money data (programmatic country & comparison pages), and a people & company database (profile pages from public records). Across all three: real bylines, primary-source citations, disclaimers on every YMYL page, and a “Report inaccuracy” link on every entity profile. We don't cover crypto, gambling, or medical advice — see our about page for the editorial line.