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Build a freelance business that works for you.

Freelance Codex is a practical reference for independent freelancers, consultants, and one-person agencies in the US, UK, Canada, and Australia. It covers the business side of client work: finding clients, setting rates, controlling scope, getting paid, and keeping tax records in order, with guides that explain each decision, templates you can adapt, and calculators for the numbers.

New to freelancing? Choose a starting path. Already working with clients? Pick the problem below or search for a specific question. The most-used tools are the freelance rate calculator, the statement of work template, and the invoice template with late-payment follow-ups.

The practical part

What do you need to solve?

Each route pairs an explanation with something you can use. Start with the guide when the decision is unclear; open the tool when you are ready to apply it.

A reference you can return to

Choose the level of help you need

Understand the decision

The guide library covers pricing, client acquisition, contracts, delivery, money, and workload. Use the summary for the main points, then follow the worked examples and checklists where you need detail.

Browse freelance guides

Put it into practice

Use editable templates, interactive checklists, and planning calculators for proposals, statements of work, invoices, pricing, and reserves. Replace example inputs with your own situation.

Open tools and templates

What changed recently

Latest briefings and updates

Recently revised guides and tools

  • Guide · Nov 04, 2026

    Retirement plans for freelancers: SEP IRA vs Solo 401(k), UK pensions, RRSPs, and super

    Published a retirement guide for freelancers with 2026 US limits (401(k) deferral, catch-ups, the $72,000 overall cap, IRA limit), SEP and Solo 401(k) deadlines, a worked comparison at $60,000 and $150,000 of profit, UK pension relief and allowances, Canada's 2026 and 2027 RRSP limits and the TFSA, and Australia's 2026–27 concessional cap and notice of intent rules. The 2027 US limits had not been announced at publication.

  • Guide · Nov 04, 2026

    Freelance tax deductions: business expenses you can claim in the US, UK, Canada, and Australia

    Published a guide to freelance tax deductions with 2026 figures for the US (home office, the mid-year mileage rate change, Section 179, bonus depreciation, health insurance, QBI), UK allowable and simplified expenses, Canadian home, CCA and vehicle rules, Australian fixed rates and the instant asset write-off, a worked example, and record-keeping periods for each country.

  • Guide · Nov 04, 2026

    Health insurance for freelancers: US options, tax credits, and coverage in the UK, Canada, and Australia

    Published a guide to health coverage for freelancers: US Marketplace plans and 2027 premium tax credits, the 60-day window after leaving a job, COBRA, a spouse's plan, HSA-eligible bronze plans, the self-employed health insurance deduction, disability cover, and notes for the UK, Canada, and Australia.

  • Guide · Nov 04, 2026

    Upwork vs Fiverr vs other freelance platforms: fees, fit, and how to win your first jobs

    Published a comparison of Upwork, Fiverr, Contra, Toptal, Freelancer.com, and PeoplePerHour, with freelancer fees as checked on November 4, 2026, a worked fee example, first-job tactics, off-platform rules, and platform income reporting in the US, UK, Canada, and Australia.

  • Guide · Nov 04, 2026

    Cold email for freelancers: how to write emails that win clients

    Published a guide to freelance cold email with five copyable templates, subject lines, a follow-up cadence, a worked reply-rate example, Google and Yahoo sender requirements, and a summary of cold email rules in the US, UK, Canada, and Australia.

  • Guide · Nov 04, 2026

    How to get paid by international clients as a freelancer

    Published a guide to getting paid by international clients, with provider fees checked on official pricing pages on November 4, 2026, worked fee and exchange-rate examples, tax form basics, and VAT/GST notes for the UK, Australia, and Canada.

Browse everything on the site map

Already freelancing? Work on the constraint

More work is not always the answer. If projects keep expanding, improve scope and change requests. If your calendar is full but margins are thin, review your rates and capacity. If income depends on one client, work on your pipeline before adding another commitment.

The freelance game playbook connects these decisions through incentives, trust, negotiation, and repeat business. For a broad overview of the library, use the site map.

If cashflow or tax is the constraint, start with the money and tax guides: they cover invoicing, reserves, and record-keeping. The tax set-aside calculator estimates how much of each payment to hold back, and US freelancers can plan the next filing with the US federal tax return guide, which covers estimated payments and the April 15, 2027 deadline.

Before you use a guide or template

Where should I start if I have 20 minutes?

Choose one problem above. Read the guide summary, identify one action, and use its linked tool. If several problems overlap, the health check can help you choose what to examine first.

Can I use a template without changes?

Adapt names, scope, dates, fees, and responsibilities to the project. Examples are starting points. Contract terms and tax planning depend on your circumstances and jurisdiction; get qualified advice when needed.

Is this legal, tax, or financial advice?

No. The site provides educational information and planning tools. Consult qualified professionals for decisions about your legal or tax obligations. The terms explain these limits.