Open Sheets UK Business Tools
Free Guides

Plain-English Guides to
UK Business Finance

Jargon-free guides written for real business owners. Learn about bookkeeping, tax, VAT, Making Tax Digital, and more. No accounting degree needed.

Bookkeeping8 min read

What Is Bookkeeping? A Plain-English Guide for UK Small Businesses

Bookkeeping explained simply. Learn what it is, why it matters, and how to get started without the jargon.

Updated June 2026Read guide
Business Setup10 min read

Getting Started as a Sole Trader: Your First Steps

Everything you need to know about registering, setting up your records, and staying on top of your taxes as a newly self-employed person.

Updated June 2026Read guide
Tax12 min read

Landlord Tax Guide: A Plain-English Guide for UK Property Owners

Understanding rental income tax, allowable expenses, Section 24 mortgage relief, and how to keep HMRC happy as a landlord.

Updated June 2026Read guide
Tax10 min read

VAT Explained: A Practical Guide for UK Small Businesses

Everything you need to know about VAT registration, rates, schemes, and compliance — explained without the jargon.

Updated June 2026Read guide
Making Tax Digital8 min read

Making Tax Digital: What UK Business Owners Need to Know

HMRC's Making Tax Digital programme explained. Who it affects, what you need to do, and when the deadlines are.

Updated June 2026Read guide
Tax8 min read

Self Assessment Guide: How to Complete Your Tax Return

A step-by-step guide to completing your Self Assessment tax return, from registering to submitting on time.

Updated June 2026Read guide
Expenses10 min read

Business Expenses: What You Can and Cannot Claim

A practical guide to allowable business expenses, simplified claims, and keeping proper records — written in plain English.

Updated June 2026Read guide
Bookkeeping7 min read

Cash Basis vs Accrual Accounting: Which Is Right for Your Business?

The difference between cash basis and accrual accounting, explained simply. Learn which method suits your business and how to switch.

Updated June 2026Read guide