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#sole-proprietorship

Sole Proprietorship

Sole proprietorship accounting, tax filing, and financial management essentials

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Denmark's Digital Bookkeeping Act Hits Sole Proprietors: The DKK 300,000 Test and Your Switch-Over Plan

From January 1, 2026, Danish sole proprietorships, partnerships, and associations with net turnover above DKK 300,000 in both 2024 and 2025 — roughly 118,000 businesses — must keep books in a compliant digital system with NemHandel/Peppol e-invoicing, tamper-evident five-year storage, weekly automated backups, and SAF-T export on demand. This guide covers the two-year turnover test, the five system requirements, the five mistakes that trigger enforcement, and a seven-step migration checklist.

mike

bookkeepingcompliancesole-proprietorship

Form 4868 for Sole Proprietors in 2026: More Time to File, Not More Time to Pay

Form 4868 gives a sole proprietor an automatic six-month extension to file Form 1040 and Schedule C — moving the 2025 return deadline from April 15 to October 15, 2026 — but the tax itself was still due in April. How to estimate total liability including self-employment tax, request the extension electronically or through a designated payment, and limit the 5%-per-month failure-to-file penalty.

mike

tax-filingtax-deadlinessole-proprietorship

The 23% QBI Deduction Explained: What the Small Business Tax Cut Act Could Mean for Your Pass-Through Income

H.R. 8415 would raise the Section 199A qualified business income deduction from 20% to 23% — an extra $3,000 of deduction on $100,000 of QBI, worth $660 to $960 in tax depending on your bracket. Here is how the deduction works in 2026 after OBBBA made it permanent, which W-2 wage and SSTB limits still apply, and how to keep books that support the number you claim.

mike

tax-deductionstax-planningsmall-business

Ryczałt vs. Skala Podatkowa: How Poland's Sole Proprietors Should Pick the Right Tax Regime in 2026

Poland's sole proprietors must pick between ryczałt (2–17% on revenue), skala podatkowa (12%/32% on income), and podatek liniowy (flat 19%) by February 20, 2026. This guide compares the 2026 rules — including the health contribution jump to a 100% minimum-wage assessment base — and shows which regime fits low-expense freelancers versus high-cost contractors.

mike

taxtax-planningsole-proprietorship

Freelancing in Switzerland: How Cantonal Taxes, AHV, and the CHF 100,000 VAT Line Actually Work

A Swiss freelancer's tax bill stacks federal (up to 11.5%), cantonal, and communal layers — roughly CHF 15,000–18,000 on CHF 100,000 of profit in Zug versus about CHF 28,000 in Geneva. This guide covers AHV self-employed status (three criteria, ~10% of net profit, CHF 2,300 registration threshold), the CHF 100,000 VAT and Commercial Register line, 8.1% standard VAT, Pillar 3a deductions up to CHF 36,288, and when a GmbH beats a sole proprietorship.

mike

freelanceself-employmenttax

Commingling Personal and Business Funds: How One Bad Habit Kills Deductions, Invites Audits, and Pierces Your LLC Shield

Mixing personal and business money in one account can void your LLC's liability shield, get legitimate deductions disallowed for lack of substantiation under IRC Section 162, and turn a routine audit into a full transaction pull. Here's what commingling looks like, why courts and the IRS punish it, and a five-step cleanup plan.

mike

small-businessllcliability-protection

Self-Employed Health Insurance Deduction Under Section 162(l): The Above-the-Line Write-Off That Beats Itemizing for Sole Proprietors and S-Corp Owners

Section 162(l) lets sole proprietors, partners, and more-than-2% S-corp shareholders deduct 100% of medical, dental, vision, and long-term care premiums above the line on Schedule 1, Line 17—if they clear the earned-income cap, the spouse-employer rule, and the W-2 reporting choreography on Form 7206.

mike

taxtax-deductionsself-employment
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