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Take Control of Your Financial Future: SIPPs and ISAs with interactive investor

Brad McAllister
31 October 2025
10 min read
sippsharesstocks
Take Control of Your Financial Future: SIPPs and ISAs with interactive investor

Take Control of Your Financial Future: SIPPs and ISAs with interactive investor

In today's uncertain economic climate, taking control of your investments has never been more important. Whether you're planning for retirement or building wealth for the future, the right investment platform can make all the difference. interactive investor (ii) offers award-winning Self-Invested Personal Pensions (SIPPs) and Stocks & Shares ISAs that put you firmly in the driver's seat of your financial journey.

Why Choose a Self-Invested Personal Pension (SIPP)?

A Self-Invested Personal Pension gives you complete control over your retirement savings. Unlike traditional workplace pensions with limited investment options, a SIPP allows you to choose from thousands of investments including shares, funds, investment trusts, and bonds.

The Key Benefits of a SIPP

Tax relief makes SIPPs remarkably efficient. For every £80 you contribute, the government adds £20 in basic rate tax relief, effectively giving you £100 invested. Higher rate taxpayers can claim even more through their tax returns, making SIPPs one of the most tax-efficient ways to save for retirement.

With a SIPP at interactive investor, you're not restricted to a handful of pre-selected funds. You can build a diversified portfolio tailored to your risk tolerance and investment goals. Whether you favour blue-chip British companies, global equity funds, or ethical investments, the choice is yours.

SIPP Highlights:

  • 25% tax-free lump sum when you retire (currently from age 55, rising to 57 in 2028)
  • Tax relief on contributions up to £60,000 annually or 100% of earnings
  • Tax-free growth within the pension wrapper
  • Inheritance planning benefits with favourable tax treatment for beneficiaries
  • Consolidation opportunities to bring old pensions together in one place

Start Your Investment Journey Today: Get your first year's subscription free when you open a new account with interactive investor. Claim your free year now.

Stocks & Shares ISAs: Tax-Free Investment Growth

Individual Savings Accounts (ISAs) are the cornerstone of tax-efficient investing in the UK. A Stocks & Shares ISA allows you to invest up to £20,000 per tax year (2024/25) completely free from income tax and capital gains tax.

Why a Stocks & Shares ISA Makes Sense

Unlike Cash ISAs that struggle to beat inflation, Stocks & Shares ISAs offer the potential for meaningful long-term growth. Historical data shows that diversified equity investments have consistently outperformed cash over periods of five years or more, making them ideal for medium to long-term goals.

The tax benefits are substantial. Any dividends you receive and any capital gains you make are entirely tax-free. For higher rate taxpayers, this represents significant savings compared to investing through a standard trading account where dividend tax and capital gains tax would apply.

Stocks & Shares ISA Advantages:

  • £20,000 annual allowance for tax-efficient investing
  • No tax on dividends or capital gains within the ISA
  • Flexible access to your money whenever you need it
  • Wide investment choice across shares, funds, ETFs, and investment trusts
  • No need to report investments to HMRC

Trading Accounts for Additional Flexibility

Once you've maximised your ISA and pension allowances, a Trading Account provides unlimited investment capacity. Whilst you'll pay tax on gains above the capital gains tax allowance and on dividend income, a Trading Account offers complete flexibility for larger portfolios or specific investment strategies.

Trading Accounts are ideal for investors who have exhausted their tax-efficient allowances or who want to invest in assets not permitted within ISAs and SIPPs. You can hold UK and international shares, funds, investment trusts, ETFs and bonds all in one convenient account.

Why interactive investor Stands Out

interactive investor is the UK's second-largest investment platform for a reason. Unlike percentage-based charging platforms where fees increase with your portfolio size, ii operates a flat-fee structure that becomes increasingly cost-effective as your investments grow.

Award-Winning Platform Features

The platform provides comprehensive research tools, including expert analysis, market data, and educational resources to help you make informed decisions. Whether you're a seasoned investor or just starting out, you'll find the tools and support you need.

Investment choice is exceptional. Access over 40,000 investment options including UK and international shares, funds, investment trusts, ETFs, and bonds. You can build a portfolio that truly reflects your investment philosophy and goals.

Regular columns from investment experts, model portfolios, and detailed fund research help you stay informed. The platform also offers a mobile app so you can monitor your investments and trade on the go.

Ready to take control? Join thousands of investors who trust interactive investor with their financial future. Your first year is completely free.

Getting Started: Your Next Steps

Opening an account with interactive investor is straightforward. The online application takes just minutes, and you can usually start investing within days. You can open a SIPP, ISA, or Trading Account, or combine all three to create a comprehensive investment strategy.

Building Your Portfolio

Consider your investment timeline and risk tolerance. Younger investors with decades until retirement might favour growth-focused equity investments, whilst those approaching retirement might prefer a more balanced approach with fixed-income securities.

Diversification remains crucial. Spreading investments across different asset classes, geographical regions, and sectors helps manage risk whilst capturing growth opportunities. ii's research tools and model portfolios can help guide your decisions.

Regular Investing Makes a Difference

Setting up regular contributions, even modest amounts, harnesses the power of pound-cost averaging and compound growth. Many successful investors attribute their wealth to consistent, disciplined investing over time rather than trying to time the market.

With interactive investor, you can set up regular monthly investments into your chosen funds or shares, automating your investment discipline and helping you build wealth steadily over time.

Making the Most of Your Accounts:

  • Maximise tax relief by contributing to your SIPP early in the tax year
  • Use your full ISA allowance each year – unused allowance cannot be carried forward
  • Rebalance regularly to maintain your target asset allocation
  • Keep learning using ii's research and educational resources
  • Think long-term and avoid emotional reactions to short-term market movements
  • Review your portfolio at least annually to ensure it still meets your goals

Understanding the Cost Structure

interactive investor's flat-fee pricing model means you pay the same monthly subscription regardless of your portfolio size. This makes it particularly cost-effective for larger portfolios compared to percentage-based platforms where fees can run into thousands of pounds annually.

You also receive a regular trade credit each month, which can be used towards buying or selling investments. This effectively reduces your net costs and encourages regular portfolio management.

The Value of Taking Control

Self-directed investing isn't just about potentially better returns – it's about understanding where your money is invested and why. When you actively manage your investments, you develop financial literacy and confidence that serves you throughout life.

You're not reliant on fund managers making decisions on your behalf. You can respond to market opportunities, adjust your strategy as your circumstances change, and align your investments with your values through ethical and sustainable investment choices.

With interactive investor's transparent pricing, comprehensive tools, and extensive investment choice, you have everything needed to build and manage a successful portfolio. The first year free offer provides an excellent opportunity to experience the platform without commitment.

Tax Efficiency Across Multiple Accounts

One of the smartest strategies is to use multiple account types in combination. Maximise your ISA allowance first for accessible tax-free growth. Contribute to your SIPP to benefit from tax relief and build your retirement pot. Then use a Trading Account for any additional investments beyond these allowances.

This multi-account approach allows you to optimise your tax position whilst maintaining flexibility. You can access ISA funds at any time, leave SIPP funds to grow tax-free until retirement, and use your Trading Account for shorter-term opportunities or larger investments.

Support When You Need It

While interactive investor is designed for self-directed investors, comprehensive support is available when needed. Customer service teams can assist with technical queries, account administration, and platform navigation. Educational content helps you understand investment concepts and make informed decisions.

The platform also hosts webinars, publishes regular market commentary, and provides detailed research reports to keep you informed about market conditions and investment opportunities.

Conclusion: Your Financial Future Starts Today

Whether you're saving for retirement through a SIPP, building wealth tax-efficiently in a Stocks & Shares ISA, or expanding your portfolio with a Trading Account, interactive investor provides the platform, tools, and support you need.

The combination of flat-fee pricing, extensive investment choice, and award-winning service makes ii a compelling choice for DIY investors. With the first year free, there's never been a better time to take control of your financial future.

Investment success comes from starting early, investing regularly, staying diversified, and thinking long-term. The tools and opportunities are all available to you – the only question is when you'll begin. Take the first step today with a year's free subscription.


Affiliate Disclosure: This article contains affiliate links. If you open an account through the links provided, we may receive a commission at no additional cost to you. We only recommend services we believe offer genuine value to investors.


Important Information: The value of investments can go down as well as up and you may get back less than you invested. Tax treatment depends on individual circumstances and may be subject to change in future. Past performance is not a guide to future performance. This article is for informational purposes only and should not be considered financial advice. Always consider your personal circumstances and consult a qualified financial adviser if needed before making investment decisions. interactive investor is authorised and regulated by the Financial Conduct Authority. The information provided was accurate at the time of writing but terms, conditions, and offers may change.