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Interactive Investor SIPP Review: A Comprehensive Analysis

Brad McAllister
24 September 2025
6 min read
Interactive Investor SIPP Review: A Comprehensive Analysis

Interactive Investor SIPP Review

A Comprehensive Analysis of ii's Self-Invested Personal Pension

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Executive Summary

Interactive Investor's Self-Invested Personal Pension (SIPP) positions itself as a premium platform for serious investors seeking control over their retirement planning. After thorough analysis, (based on current publicly available information as of January 2025), this review examines both the compelling benefits and notable limitations of ii's SIPP offering.

★★★★☆

Overall Rating: 4/5 - Excellent for active investors, with some cost considerations

Key Features and Benefits

Investment Flexibility

  • Extensive Investment Universe: Access to over 40,000 investments including:
    • UK and international shares
    • Investment trusts and ETFs
    • Funds and bonds
    • AIM shares (though with higher risk considerations)
  • Professional Management Options: Choice between self-directed investing and managed portfolios
  • Drawdown Flexibility: Comprehensive income drawdown options from age 55 (rising to 57 from 2028, subject to government policy)

Platform Technology and Tools

  • Research Capabilities: Comprehensive research tools and market analysis
  • Portfolio Management: Advanced portfolio tracking and rebalancing tools
  • Mobile Platform: Full-featured mobile app for on-the-go management
Analyst Note: With high confidence, ii's platform technology ranks amongst the most sophisticated in the UK market, particularly suited for investors who value detailed research and analysis tools.

Cost Structure Analysis

Fee Framework

  • Monthly Account Fee: £12.99 per month (currently waived for 12 months via referral link)
  • Dealing Charges: £3.99 per trade for UK shares and ETFs
  • Annual Management Charges: Varies by fund selection (typically 0.1% to 2%+)
  • No Platform Charge: Unlike percentage-based competitors, no additional platform percentage
Cost Efficiency Analysis: Based on current fee structures, ii's fixed-fee model becomes increasingly cost-effective for portfolios above £50,000-£75,000, potentially saving hundreds of pounds annually compared to percentage-based competitors.

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✅ Strengths

  • Cost-Effective for Larger Portfolios: Fixed fees benefit substantial investors
  • Investment Choice: Exceptional range of investment options
  • Research Quality: Professional-grade research tools
  • Regulatory Standing: Strong FCA regulation and FSCS protection
  • Drawdown Options: Flexible retirement income solutions

⚠️ Limitations

  • Higher Costs for Small Portfolios: Monthly fees may be prohibitive under £30,000
  • Complexity: May overwhelm passive investors
  • Limited Robo-Advice: Less automated guidance compared to newer platforms
  • International Trading Costs: Higher charges for overseas investments

Suitability Assessment

Ideal For:

  • Active Investors: Those making regular trades and investment decisions
  • Larger Portfolios: SIPP values above £50,000 where fixed fees provide savings
  • Research-Focused Investors: Those who value comprehensive market analysis
  • Experienced Investors: Comfortable with self-directed pension management

Less Suitable For:

  • Passive Investors: Those preferring simple, low-maintenance options
  • Small Portfolios: Values under £30,000 may face proportionally high costs
  • Investment Beginners: Limited hand-holding compared to robo-advisers
Confidence Level: High confidence in suitability assessments based on fee structures and platform features, though individual circumstances may vary.

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Regulatory and Security Considerations

  • FCA Authorisation: Fully regulated by the Financial Conduct Authority
  • FSCS Protection: Up to £85,000 per person protection on cash deposits
  • Segregated Assets: Client investments held separately from company assets
  • Established Reputation: Over two decades in the UK investment market

With very high confidence, ii meets all regulatory standards for operating a SIPP in the UK market.

Final Verdict

Interactive Investor's SIPP represents a sophisticated platform that excels for active, research-driven investors with substantial portfolios. The fixed-fee structure creates compelling value for larger investments, whilst the extensive investment universe and professional-grade tools justify the premium positioning.

Key Reservations: Based on available pricing information, smaller investors may find better value elsewhere, and those seeking simple, hands-off pension management might prefer automated alternatives.

Recommendation: Highly suitable for experienced investors with £50,000+ pension pots who value investment choice and research capabilities. The current fee-free offer provides an excellent opportunity to evaluate the platform without cost commitment.

Disclaimer: This review is based on publicly available information as of January 2025. Investment values can fall as well as rise. SIPP rules and tax benefits may change. Always consider seeking independent financial advice before making pension decisions.