Taxes
Self-employment tax, quarterlies, deductions, and entity decisions, with 2025 constants and every assumption stated.
Tools in this section
- 001 Quarterly tax estimator Four payments, no April surprise.
- 002 1099 take-home calculator From contract rate to what lands in your account.
- 003 S-corp vs sole-prop comparison When the paperwork starts paying for itself.
- 004 Freelance expense tracker Schedule C categories, deductible totals, CSV export.
- 005 1099 tax prep checklist Six questions, a personalized filing checklist.
- 006 Self-employment tax calculator The 15.3% nobody warned you about, itemized.
- 007 Tax set-aside calculator The percent of every invoice to move, from real math.
- 008 Home office deduction Simplified vs actual method, side by side.
- 009 Mileage deduction calculator Business miles into 2025 deduction dollars.
- 010 Safe harbor calculator The quarterly payment that makes penalties impossible.
- 011 QBI deduction calculator The 20% deduction most freelancers under-claim.
- 012 Year-end tax checklist The December moves that stop working on January 1, sorted by your situation.
- 013 Estimated tax penalty calculator What the IRS charges for missed or short quarterly payments, at the real quarterly rates.
- 014 Conference trip cost calculator Ticket, travel and hotel plus the days you do not bill, minus what the deduction gives back.
Guides in this section
- Freelance taxes in multiple states: start with source A client in another state does not settle the filing question. California and New York source freelance service income differently.
- LLC vs sole proprietorship: what changes for freelancers The tax bill does not move, the liability wall might, and the state fee is real. What an LLC does and does not do for a one-person business.
- Making Tax Digital, explained without the sales pitch Who MTD for Income Tax catches from April 2026, what quarterly updates involve, and why the tax you pay does not change.
- Payments on account: why January costs one and a half bills The Self Assessment advance-payment system with numbers: who owes it, why the first year hurts double, how to reduce it and where July fits.
- Salary or dividends after the 2026/27 rise: the answer moved Dividend tax rose two points in April 2026, and most comparisons predate it. Where sole trader vs company lands now, and when the company still wins.
- Scottish income tax for the self-employed: the real line Six bands instead of three, a crossover near 33,500 and a painful gap above 43,662. What changes for a Scottish freelancer, and what stays UK-wide.
- Sole trader or limited company: beyond the tax math The 2026/27 numbers weakened the tax case for incorporating. The real decision: liability, admin weight, client demands, pensions and selling one day.
- The corporate-partner freelancer in Spain, explained What a corporate-partner freelancer is, when the status is mandatory, the 2026 quota floor, how you pay yourself, and the classic classification mistakes.
- Registering as self-employed in Spain, step by step The right order: tax office before Social Security, which 036 boxes matter, how the 80-euro flat rate works, and what to set aside from invoice one.
- Freelancer or SL in Spain: when switching is real The 25% myth, the 2026 corporate-partner floor that changed the math, and the one reason an SL truly wins: leaving profit inside to reinvest.
- Holding companies in Spain: what is real and what is hype What a holding company does, who the dividend exemption serves, and why the holding sold on Instagram does not apply to you.
- When a Spanish SL makes sense: signals and costs Beyond the tax comparison: what an SL really costs to keep alive, the obligations it brings, and the five signals the moment has arrived (or has not).
- Does an S-corp actually save you money? The payroll-tax math behind the S-corp pitch, the profit level where it starts paying, and the costs the YouTube gurus skip.
- Freelance taxes: what to set aside from every invoice The real math behind the 30% rule, how quarterly payments work, and the safe-harbor trick that makes penalties impossible.