Guide collection
Investment Platforms and Brokers
Investment Platforms and Brokers reviews, comparisons and buying guides from Rational GB.
Best Investment Platform UK: Stocks and Shares ISAs Compared by Cost
The best investment platform in the UK depends on your portfolio size. We compare stocks and shares ISA fees on Vanguard, Trading 212, InvestEngine and AJ Bell.
Read guideCheapest Stocks and Shares ISA: Platform Fees Compared by Portfolio Size
The cheapest stocks and shares ISA depends on your portfolio size. Here is how percentage and flat fees compare, and where the crossover point falls.
Read guideTrading 212 Review: Is the Zero-Fee ISA Too Good to Be True?
An evidence-based Trading 212 review for UK investors: the real costs behind the zero-fee ISA, the FX fee, safety and FSCS cover, and who it suits.
Read guideInvestEngine Review: The Zero-Fee ETF Platform Tested
An evidence-based InvestEngine review for UK investors: the zero platform fee on DIY portfolios, managed costs, ETF-only limits, safety and who it suits.
Read guideVanguard UK Review: Pros, Cons and Who It Suits
An evidence-based Vanguard UK review for 2026: platform fees, the £4 monthly minimum, fund choice, SIPP and ISA options, and who Vanguard suits.
Read guideHargreaves Lansdown Review: Is the Premium Price Justified?
An evidence-based Hargreaves Lansdown review: the 2026 fee cut, who HL suits, and whether the UK's biggest platform is worth paying more for.
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No. 07
Trading 212 vs InvestEngine vs Vanguard: Which Platform Should You Choose
Trading 212 vs InvestEngine vs Vanguard compared on fees, choice and who each suits, so you can pick the cheapest UK investment platform for your situation.
Read guideHow to Transfer Your Stocks and Shares ISA to a Cheaper Platform
How to transfer a stocks and shares ISA without losing tax-free status: in-specie vs cash, the 30-day rule, exit fees, and the 2027 changes to know about.
Read guideBest Investing App UK: An Evidence-Based Guide for Beginners
The best investing app in the UK for beginners depends on what you hold, not the interface. Fees, minimums and the April 2027 ISA change that matters.
Read guideBest Robo-Advisor UK: Nutmeg, Moneyfarm and Wealthify Compared
Looking for the best robo advisor UK? We compare J.P. Morgan Personal Investing (formerly Nutmeg), Moneyfarm and Wealthify on fees, minimums and who they suit.
Read guideAJ Bell Review: Best Platform for Shares and Larger Portfolios
An evidence-based AJ Bell review for 2026: platform fees, dealing charges, the share cap, ISA and SIPP costs, and who this UK investment platform suits.
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