We have some exciting news to share! The Motley Fool UK has now become The Twelfth Magpie -- an independent, UK-owned company, led by our long-serving UK management team — Mark Rogers, Chris Nials and Heather Adlington. In practical terms, it’s the same team you know, now fully focused on serving our UK readers and members.

Just as importantly, our approach remains unchanged: long-term, jargon-free, and on your side. This site is our new home, and there will be extra tweaks made across the coming few days as we settle in. So if anything looks a little off, please bear with us!

The content of this article was relevant at the time of publishing. Circumstances change continuously and caution should therefore be exercised when relying upon any content contained within this article.

Here are my 5 steps to try and become an ISA millionaire

From regularly rebalancing his portfolio to keeping on top of new stock ideas, Jonathan Smith outlines his steps to (hopefully) join the ranks of ISA millionaires.

You’re reading a free article with opinions that may differ from The Twelfth Magpie’s Premium Investing Services. Become a member today to get instant access to our top analyst recommendations, in-depth research, investing resources, and more. Learn more, and get a free 'Best Buy Now' stock!.

Some people might think that trying to become an ISA millionaire within their lifetime is completely impossible. I think it’s the tag of ‘millionaire’ that causes the issue. When I think about a million pounds, it’s a lot of money. But in my opinion, it’s obtainable. I would struggle to achieve this very quickly, of course, but over the course of a few decades, it’s definitely something I think could happen. Although some things are out of my control, here’s my five steps to trying to achieve this goal.

Working backwards

It might seem strange, but to begin with I actually need to look at the end scenario. Let’s say I want my Stocks and Shares ISA to be worth £1m in around 20 years time. If I assume an annual growth rate (that compounds) of 8% from the stocks I buy, then I can work out how much I need to start investing each month. Of course, I have to remember that the 8% return isn’t guaranteed.

Should you buy Rolls Royce shares today?

Before you decide, please take a moment to review this report first. Despite ongoing uncertainties from US tariffs to global conflicts, Mark Rogers and his team believe many UK shares still trade at substantial discounts, offering savvy investors plenty of potential opportunities to learn about.

That’s why this could be an ideal time to secure this valuable research – Mark’s analysts have scoured the markets to reveal 5 of his favourite long-term ‘Buys’. Please, don’t make any big decisions before seeing them.

In this scenario, it works out at around £1,500 per month. With the ISA allocation of £20,000 a year, this works. It could make me an ISA millionaire by year 22. This is an important starting point so that I can temper my expectations of what I need to do right now to help achieve my goal further down the line. 

The second step is then to start the process of investing £1,500 per month. If I can’t commit to this, then I can reduce the monthly amount, but in the knowledge that it’ll take me longer to get to the millionaire mark within my Stocks and Shares ISA.

Making progress over time

Third, I need to do ongoing research on the companies that I’m allocating my £1,500 to each month. As I mentioned, it’s not certain that I can achieve an average growth rate of 8% each year and it’s a big assumption that I will. A large part of making this happen is ensuring I pick good quality, sustainable businesses. It’s going to take me at least 20 years to reach my ISA millionaire status, so I at least want companies that’ll be still around.

The fourth step is to rebalance my stocks portfolio within my ISA over time. This is important as in the future, my ISA can become untidy and overly concentrated in a sector or industry. Trimming down some profits or allocating more funds to other companies is a good thing, and can help to keep my overall pot on track in the long term.

The final step is trying to be disciplined in letting my pot build up. I may have taken all the first four steps but then decide after a decade to pull money out for a house purchase or something else. There’s nothing wrong with this if I desperately need the money. But it will really set me back in my big target figure.

ISA millionaire potential

With discipline and a good game plan, I believe I can achieve my end goal. It will take years, but as the old saying goes, “the steeper the climb, the better the view”.

jonathansmith1 has no position in any of the shares mentioned. The Motley Fool UK has no position in any of the shares mentioned. Views expressed on the companies mentioned in this article are those of the writer and therefore may differ from the official recommendations we make in our subscription services such as Share Advisor, Hidden Winners and Pro. Here at The Motley Fool we believe that considering a diverse range of insights makes us better investors.

More on Investing Articles

Smiling family of four enjoying breakfast at sunrise while camping
Investing Articles

2 top-notch stocks to consider buying for an ISA in July

Anyone seeking stocks to buy should consider this pair, says Ben McPoland. One's a cheap quality compounder and the other's…

Read more »

Array of piggy banks in saturated colours on high colour contrast background
Investing Articles

How has M&G become one of the FTSE 100’s hottest dividend stocks? 5 reasons..!

With dividend yields expected above 6.4% over the next three years, Royston Wild explains what makes this FTSE 100 stock…

Read more »

Businesswoman calculating finances in an office
Investing Articles

This FTSE 250 stock could storm back into the FTSE 100 with an 80% rise, 1 broker says

Checking FTSE 100 demotions can be a good way to search for unfairly discounted stocks. Alan Oscroft thinks he might…

Read more »

Investing Articles

Just how bad could it get for the BP share price?

Harvey Jones examines why the BP share price is sliding today, and with an oil glut looming, wonders whether investors…

Read more »

Close-up as a woman counts out modern British banknotes.
Investing Articles

How much would you need in a Stocks and Shares ISA to match the State Pension?

Ken Hall analyses how much you would need in a Stocks and Shares ISA to generate £12,750 in annual income…

Read more »

Young black woman in a wheelchair working online from home
Investing Articles

A £10,000 ISA buys 1,931 shares in these 6.5%+ yielding dividend stocks!

Fancy making a cool £752 in passive income this year alone? A lump sum investment spread across these dividend stocks…

Read more »

Investing Articles

Barclays, NatWest or Lloyds shares: which is the better pick for a UK retirement portfolio?

In light of a shifting mortgage landscape, Mark Hartley weighs up whether Lloyds' shares are still the most favourable pick…

Read more »

British bank notes and coins
Investing Articles

Here’s a quick and easy way to start earning passive income this summer with a spare £1,000

Setting up passive income streams by owning blue-chip dividend shares need not cost the earth. Our writer weighs up some…

Read more »