UK small businesses must keep accurate financial and administrative records to comply with HMRC, Companies House and other legal obligations. The exact requirements depend on whether you operate as a sole trader or limited company, but all early-stage founders and e-commerce sellers need a clear system to track income, expenses and supporting documents.
This guide explains what to keep, how long to retain records, the differences between digital and paper formats, and how Making Tax Digital affects your processes. Following these practices helps avoid penalties and provides a solid foundation for business decisions.
Why record-keeping matters for UK founders
Complete records allow you to calculate taxable profits correctly, prepare accounts or self-assessment returns, and respond to enquiries from HMRC or Companies House. For e-commerce sellers, this includes tracking platform sales, advertising costs, shipping fees and stock purchases.
Good record-keeping also supports applications for finance, demonstrates compliance during due diligence, and protects you if a customer or supplier raises a dispute. Requirements differ between sole traders and limited companies, so confirm your structure before setting up systems.
What records to keep
Core financial records include:
- Income: bank statements, sales invoices, platform reports from Shopify, Amazon or eBay, and till rolls where applicable.
- Expenses: receipts for purchases, utility bills, marketing costs, software subscriptions, travel and professional fees.
- Bank and card statements for both business and any mixed-use accounts.
- VAT records if you are registered or exceed the current registration threshold.
Administrative records cover contracts with suppliers or freelancers, terms of service and privacy policies for your website, customer correspondence relating to orders, and records of stock movements for e-commerce businesses. Limited companies must also keep minutes of director decisions, registers of shareholders and directors, and details of any charges on company assets.
How long to retain records
HMRC generally requires sole traders to keep records for at least six years from the end of the tax year they relate to. Limited companies face similar periods for corporation tax purposes, although some statutory registers must be kept permanently or for fixed periods after a company event.
Practical approach: retain all financial records for six full tax years after the relevant 5 April. For example, records for the 2023-24 tax year should be kept until at least 5 April 2030. This timeframe covers most HMRC enquiries. Always check current HMRC guidance because rules can change. E-commerce sellers should keep order and despatch records for the same period to support any consumer or customs queries.
Digital versus paper records
Both formats are acceptable provided the information is accurate, complete and accessible. Digital records are easier to search, back up and share. Many UK founders scan paper receipts immediately and store them in cloud accounting software or a dedicated folder structure organised by tax year.
Paper originals are still useful for certain VAT invoices above certain values or where a signature is required. The key test is whether you can produce a clear copy when requested. Choose a method you will actually maintain. Cloud services with automatic backups reduce the risk of loss compared with keeping everything in a single drawer or on a single laptop. Ensure any digital system allows export in a readable format such as PDF.
Making Tax Digital implications
Making Tax Digital requires eligible businesses to keep digital records and submit VAT returns or income tax updates using compatible software. Most limited companies and many sole traders with turnover above certain levels must follow these rules. The system links accounting software directly to HMRC to reduce errors and late filings.
For e-commerce founders this often means connecting Shopify, Xero, QuickBooks or similar platforms so that sales data flows automatically. Even if you are not yet required to use Making Tax Digital, adopting compatible software now simplifies future compliance and improves day-to-day visibility of cash flow. Check HMRC and GOV.UK for the latest thresholds and deadlines, as these are updated periodically.
Practical steps to build a compliant system
- Separate business and personal finances by opening a dedicated business bank account as soon as practical.
- Choose accounting software that supports Making Tax Digital and allows easy categorisation of income and expenses.
- Develop a routine: record transactions weekly, scan or photograph receipts on the day, and reconcile bank statements monthly.
- Set up digital folders by tax year (for example “2024-25”) and sub-folders for sales, purchases, bank and admin.
- Review records quarterly to confirm nothing is missing and to spot any unusual patterns early.
- Document your processes in a simple one-page note so that a co-founder or future team member can follow them.
For contracts and legal documents, store signed copies with the related project or customer file. Website terms, GDPR privacy notices and trademark applications should sit in a permanent “Legal” folder that is backed up.
Common pitfalls and how to avoid them
Many early-stage e-commerce sellers mix personal and business spending on the same card, making reconciliation difficult. Another frequent issue is losing mobile receipts or deleting platform reports before the retention period ends. Set calendar reminders for the end of each tax year and automate backups.
Over-complicating the system at the start can lead to abandoned records. Begin with the minimum viable setup that meets legal needs, then refine as the business grows. If you are unsure whether a particular document needs to be kept, retain it until you can confirm the current requirements on GOV.UK or with an accountant.
Frequently asked questions
Do sole traders need to keep paper receipts?
No, digital copies are sufficient if they clearly show the date, supplier, amount and description. Scan or photograph receipts and store them securely by tax year. Keep the system consistent so records can be produced quickly if HMRC requests them.
How does Making Tax Digital affect small e-commerce businesses?
It requires digital record-keeping and software-compatible submissions for VAT or income tax. Connecting your sales platforms to compatible accounting tools reduces manual work. Check current thresholds on GOV.UK as requirements are phased in over time.
What is the minimum retention period for company records?
Financial records are usually kept for six years after the relevant tax year. Some statutory company registers must be retained longer. Always verify the latest guidance on Companies House and HMRC websites because rules can be updated.
Can I store records only in the cloud?
Yes, provided the records are accurate, complete, backed up and can be accessed promptly. Choose reputable providers and ensure you control the account. Test your ability to export data in case you need to change platforms.
Do I need to keep customer emails for legal compliance?
Keep order confirmations, delivery notes and any correspondence that relates to a contract or dispute for at least six years. Routine marketing emails can usually be deleted sooner, but ensure your privacy policy explains your data retention practices.
Related reading: Making Tax Digital for Income Tax – What You Need to Know, Understanding UK Annual Accounts Deadlines and Penalties, Maintaining Statutory Registers for Your Limited Company. Browse all company admin & legal guides or apply to Loomworks.