35 guides
Best Accounting Software for Founders (2026)
Compare the top accounting tools for solo founders and small startups.
Best Bookkeeping Tools for Startups (2026)
Top bookkeeping apps and services for founders who hate accounting.
Best Payment Processors for Founders (2026)
Compare Stripe, PayPal, Square, and other payment processors for startups.
Best Tax Software for Self-Employed Founders (2026)
Compare tax filing tools for US, UK, and EU self-employed founders.
Bookkeeping Basics for First-Time Founders
Track every business transaction from day one using a dedicated business bank account, categorize expenses weekly, and reconcile monthly.
Cash Flow Management for Bootstrapped Startups
Monitor cash flow weekly: track money in, money out, and runway remaining.
EU Cross-Border Invoicing and VAT Rules
EU B2B invoices use reverse charge VAT — you invoice without VAT and note the customer's VAT number.
EU Financial Record Keeping Requirements by Country
EU businesses must keep financial records for 5-10 years depending on country (Germany: 10 years, France: 6 years, Netherlands: 7 years).
EU VAT MOSS: Selling Digital Services Across Europe
The VAT MOSS (Mini One Stop Shop) lets you register in one EU country and report VAT on digital services sold to consumers across all EU member states.
Financial Metrics Every Founder Should Track
Track monthly recurring revenue (MRR), gross margin, customer acquisition cost (CAC), lifetime value (LTV), burn rate, and runway.
France Auto-Entrepreneur (Micro-Entreprise) Guide
France's micro-entreprise regime offers simplified taxes for revenue under €77,700 (services) or €188,700 (goods).
Germany Kleinunternehmerregelung: Small Business VAT Exemption
German Kleinunternehmer (small business regulation) exempts you from charging VAT if revenue is under €22,000 (first year) or €50,000 (subsequent years).
How to Calculate Your Startup Runway
Runway = cash in bank ÷ monthly burn rate.
How to Separate Personal and Business Finances
Open a dedicated business bank account, never pay business expenses from personal cards, and transfer a fixed 'salary' to yourself monthly.
Invoicing Best Practices for Founders
Send invoices immediately upon delivery, include clear payment terms (Net 15 or Net 30), accept multiple payment methods, and follow up systematically on overdue invoices.
Netherlands BV Tax Basics for Founders
Dutch BV companies pay 19% corporate tax on profits up to €200K, 25.
UK Allowable Business Expenses for Founders
Deduct expenses wholly and exclusively for business: office costs, travel, professional fees, software, marketing, and staff costs.
UK Corporation Tax Basics for Limited Companies
UK limited companies pay Corporation Tax on profits (19-25% depending on profit level).
UK Dividend Tax Guide for Company Directors
Dividends above the £500 allowance are taxed at 8.
UK IR35 Rules: Hiring Contractors Compliantly
IR35 determines whether contractors are genuinely self-employed or disguised employees.
UK Making Tax Digital: What Founders Need to Know
Making Tax Digital requires VAT-registered businesses to keep digital records and submit returns via MTD-compatible software (Xero, FreeAgent, QuickBooks).
UK PAYE for Small Business Employers
When you hire employees in the UK, register as an employer with HMRC, run PAYE payroll, deduct income tax and National Insurance, and submit Real Time Information (RTI) reports each pay period.
UK Self Assessment for Founders and Sole Traders
Sole traders and company directors must file Self Assessment annually by January 31.
UK VAT Registration: When and How to Register
Register for VAT when turnover exceeds £90,000 in any 12-month period, or voluntarily if it benefits you (e.
US 1099 Contractor Basics for Founders
When you pay a US contractor $600+ in a year, issue a 1099-NEC by January 31.
US Business Tax Deductions Founders Often Miss
Commonly missed deductions: home office, health insurance premiums, retirement contributions (SEP-IRA, Solo 401k), business mileage, software subscriptions, professional development, and startup costs up to $5,000.
US Home Office Tax Deduction: Rules and Limits
Deduct home office expenses if the space is used exclusively and regularly for business.
US LLC Tax Basics: What Every Founder Needs to Know
Single-member LLCs are taxed as sole proprietorships by default (Schedule C).
US Payroll Basics for Small Business Owners
Once you hire W-2 employees, you need payroll withholding, employer taxes (FICA, FUTA), workers' comp, and state unemployment insurance.
US Quarterly Estimated Taxes: A Founder's Guide
US founders who expect to owe $1,000+ in taxes must pay quarterly estimated taxes (April 15, June 15, Sept 15, Jan 15).
US R&D Tax Credit Basics for Startups
Qualified startups can offset up to $500K in payroll taxes with the R&D tax credit.
US S-Corp Election: When and How to File Form 2553
Elect S-Corp status by filing Form 2553 with the IRS within 75 days of formation or by March 15 for the current tax year.
US Sales Tax for Online Businesses: Nexus Explained
You owe sales tax in states where you have nexus — physical presence, economic nexus ($100K+ sales or 200+ transactions), or marketplace facilitator rules.
US Year-End Tax Checklist for Founders
Before December 31: maximize retirement contributions, review estimated tax payments, collect W-9s from contractors, reconcile books, and consult your CPA on S-Corp salary and equipment purchases.
When to Hire an Accountant (and What They'll Cost)
Hire an accountant when revenue exceeds $50K, you have employees, you're raising funding, or tax filing feels overwhelming.