Best platforms to invest on for a beginner?

Hi Ken, thanks for your question. Boring Money has already done the hard work for me to answer your question on it’s best buy tables here

In summary, the best for ISAs are Nutmeg, Vanguard, Wealthify, AJBell & Moneybox and the best for pensions are Pension Bee, Vanguard, AJBell, Fidelity & Hargreaves Lansdown.