Tax by country
Tax returns, deadlines and allowances for the US, UK, Germany, Japan, Spain and Brazil — each tool names the rule and the date.
11 tools
Eligible Account Investments Check (Trump Account, 2026)
Spreadsheet calculator
Fund fees plus expenses above 0.1% make a fund ineligible for a Trump account.
Opportunity Zone Reporting Checklist 2026: QOF Penalty Check
Spreadsheet calculator
A late or incomplete Form 8996 now costs 500 dollars a day under IRC 6726, capped at 10,000, or 50,000 for a fund over 10 million dollars of gross assets.
Tour Operator Margin Calculation 2026 (UK TOMS year-end)
Spreadsheet calculator
For UK accountants of tour operators: the VAT Notice 709/5 section 9 year-end TOMS calculation, which splits the margin by cost and takes 1/6 of the UK share, not 20%.
IR35 Deemed Payment Calculator 2026/27 (Small Clients)
Spreadsheet calculator
When a small private-sector client leaves the IR35 call to you, your company works out the Chapter 8 deemed employment payment itself and reports it on an FPS on or…
VAT Record Keeping Penalty Calculator 2026 (MTD, UK)
Spreadsheet calculator
No MTD digital records costs £5, £10 or £15 a day for up to 100 days under VATA 1994 s.69, every set of records not kept for 6 years costs £500, and a careless VAT error…
Daily Journal Template for Obsidian - 2026 IRS Mileage Log Built In
Obsidian theme
For US self-employed drivers: each daily note logs business miles, and the year log prices trips at 72.5 cents through 2026-06-30 and 76 cents from 2026-07-01 (IRS…
Bonus Depreciation 2026 Calculator: 100% or 20%? (January 19, 2025 Contract Test)
Spreadsheet calculator
Equipment placed in service in 2026 gets 100% bonus depreciation only if it was acquired after January 19, 2025 (IRS Notice 2026-11).
QuickBooks Desktop Alternative Cost Calculator 2026
Spreadsheet calculator
For accountants with clients still on QuickBooks Desktop: Intuit cut off version 2023 after May 31, 2026 — payroll tax calculation, payroll forms and bank feeds stop.
Secret Santa Generator for UK Offices — HMRC £50 Gift & £150 Party Check 2026
Spreadsheet calculator
Draw names free, then check the bit HMRC cares about: a company-paid gift over £50 is taxable in full (ITEPA s323A), and if the Christmas party plus your other annual…
MTD for Income Tax 2026: are you in, and on which dates
Browser extension · Chrome, Edge, Firefox
Gross income test, your start date, your four filing dates, and what one late payment costs.
1099 Threshold & Penalty Check 2026 (US)
Browser extension · Chrome, Edge, Firefox
The $600 answer is wrong for tax year 2026 - and four states never moved off their own numbers.