Home-based tax adviser for individuals

Help sole traders, landlords and employees with Self Assessment and tax questions from your home office.

Startup cost£500 to £3k
Monthly revenue£500 to £3.5k
Time needed8+ h/week
First incomeWeeks
  • £500-3k
  • Side hustle
  • From home

Estimates for a small start in the UK, not guarantees.

Official data

12,759 UK companies in this field, 18% registered in the last 2 years

SIC 69203 “Tax consultancy”. Source: Companies House, November 2026.

What it is

A one-person tax practice working from home, preparing Self Assessment returns, checking tax codes and giving practical advice on allowable expenses, rental income and tax bills.

Your first three steps

  1. Check your qualifications or training, and consider a recognised tax or bookkeeping course or professional body membership
  2. Set up professional indemnity insurance, a client engagement letter and secure ways to store client data
  3. Tell your network and local sole traders about a fixed-fee Self Assessment service ahead of the January deadline
Who pays

Sole traders, landlords, contractors, higher earners and people with other income who want help getting their tax right.

How it makes money

Fixed fee per tax return, hourly rate for advice, and optional annual packages that include reminders and a yearly review.

Skills that help
  • Good knowledge of UK personal and self-employed tax
  • Careful with detail and deadlines
  • Explaining tax in plain language
Watch out for
  • Register with HMRC for anti-money laundering supervision, which is required for tax advisers, so check the current rules
  • Professional indemnity insurance in case of errors
  • Registering with the ICO for data protection and keeping client data secure
  • Registering as a tax agent with HMRC to act for clients, and getting each client's authorisation
  • Very busy period around the January deadline, so plan your workload
  • The title 'tax adviser' is not protected, so check what you can say about your qualifications and avoid overclaiming

Deep research report · UK

Everything you need to start: home-based tax adviser for individuals

Researched with live web search for United Kingdom: real startup prices, the licences and rules, what others charge, a break-even example, how to find your first customers and a 30-day launch plan. With sources.

  • Startup costs with real prices
  • Licences, registration and rules
  • Pricing: what others charge
  • Break-even example
  • Finding your first customers
  • 30-day launch plan
  • Risks and how to reduce them
Ready in about 2 minutes · one-off payment, tax included

See a full sample report

Questions people ask

How much does it cost to start a home-based tax adviser business?

Startup costs are typically around £500 to £3,000, depending on your software, insurance and how you set up and promote your practice. Treat this as an estimate and check which registrations and insurance you need.

How much can a home-based tax adviser earn?

Monthly revenue is typically around £500 to £3,500, depending on how many clients you take on and the hours you work. Expect a very busy period around the January deadline, so plan your workload.

What rules should I check before working as a tax adviser?

Check the current rules on registering with HMRC for anti-money laundering supervision, registering as a tax agent and getting client authorisation, ICO registration, and professional indemnity insurance. The title 'tax adviser' is not protected, so avoid overclaiming qualifications.

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