Funding options for your business

Self-funding and bootstrapping

Start and grow your business using personal funds and reinvested profits without external investment.

UK-wide
Guide summary

Use your own money to start and grow your business without outside investors. Decide how much you can invest safely, manage cash carefully, and reinvest profits. Consider external funding only when needed for growth.

  • Use personal savings or reinvested profits to fund your business
  • Keep 3-6 months of operating expenses as a cash buffer
  • Invoice clients promptly and chase late payments
  • Minimise fixed costs and validate demand before spending
  • Invest up to £12,570 salary + dividends tax-efficiently
  • Choose between director's loan (flexible) or share capital (simple)
  • Set up a separate business bank account
  • Plan for when you might need external funding
  • Avoid personal credit unless you have a repayment plan
  • Consider secured loans carefully as they risk your assets
On this page
UK-wide

Related guides in Tax & Finance

Is self-funding right for you?

Self-funding works best when:

  • Your business can start generating revenue quickly
  • Initial capital requirements are low to moderate
  • You have personal savings or income to invest
  • You want to retain 100% ownership and control
  • Growth can be organic rather than requiring rapid scaling

It's less suitable for:

  • Capital-intensive businesses (manufacturing, property development)
  • Businesses requiring rapid scale to capture market (tech platforms)
  • High-risk ventures where you can't afford to lose personal funds

Sources of self-funding

Personal savings
Most direct approach. Determine how much you can invest while maintaining an emergency fund for personal expenses.
Director's loan to company
Lend money to your company (creates debt the company owes you). Can be repaid tax-efficiently later.
Share capital
Subscribe for shares in your own company. Less flexible than loans but simpler accounting.
Reinvested profits
Leave profits in the business rather than drawing them as salary/dividends. The most tax-efficient growth capital.
Personal credit
Credit cards, personal loans. Higher risk - you're personally liable. Use carefully and have repayment plan.
Asset-backed lending
Remortgaging, secured loans. Puts your home/assets at risk - consider carefully.

Structuring your investment

Director's loan vs share capital

How you invest money in your company matters for tax and flexibility:

Director's loan to company (you lend, company owes you):

  • Creates a debt the company owes you
  • Can be repaid tax-free (you already paid tax on this money)
  • Flexible - repay when company has cash
  • If company fails, you're an unsecured creditor (may lose investment)

Share capital:

  • Becomes permanent capital of the company
  • Cannot be easily withdrawn (requires formal reduction of capital)
  • If company fails, share capital lost (but limited to investment amount)
  • Simpler record-keeping

Practical recommendation

Many owner-managers use a mix: minimum share capital (£1-100) plus director's loan for working capital. This gives flexibility to withdraw funds when available while maintaining limited liability.

Cash flow management for bootstrapped businesses

When self-funding, cash flow is your lifeline. Key strategies:

Invoice promptly and chase payment

Send invoices immediately on completing work. Follow up on the due date, not after. Consider invoice financing if clients pay slowly.

Negotiate supplier terms

Ask for 30 or 60-day payment terms with suppliers. Every day you delay paying (within terms) is free financing.

Minimise fixed costs

Keep overheads low - work from home if possible, use flexible workspaces, avoid long-term commitments until revenue is stable.

Validate before investing

Don't spend money on stock, equipment, or marketing until you've validated demand. Start with minimum viable offerings.

Build a cash buffer

Aim for 3-6 months of operating expenses in reserve. This protects against unexpected downturns or slow periods.

When to consider external funding

Self-funding has limits. Consider external funding when:

  • Growth opportunities require capital you can't provide
  • Competitors with funding threaten your market position
  • You need expertise or connections investors can provide
  • Personal financial risk is becoming uncomfortable

Common transition points:

  • SEIS: Up to £250,000 seed investment with 50% tax relief for investors
  • EIS: Up to £5 million per year (£12 million lifetime) with 30% tax relief
  • Start Up Loans: £500-£25,000 at 6% fixed rate with mentoring
  1. 1

    Assess how much you can invest

    Review personal finances. Determine maximum investment while maintaining emergency fund. Don't invest money you can't afford to lose.

  2. 2

    Decide on investment structure

    Director's loan (flexible, repayable) or share capital (simpler). Consider combination for maximum flexibility.

  3. 3

    Create a cash flow forecast

    Project income and expenses monthly. Identify when you'll need cash and plan accordingly.

  4. 4

    Minimise startup costs

    Start lean. Avoid unnecessary expenses. Validate demand before investing heavily.

  5. 5

    Set up separate business bank account

    Essential for tracking business finances. Many banks offer free accounts for new businesses.

  6. 6

    Plan for growth capital needs

    Identify at what point you'll need external funding. Research options before you need them.

Business finance resources

Guidance on managing business finances and funding options.