How I’d invest £20,000 in a Stocks and Shares ISA to build long-term wealth

There are multiple ways to grow wealth in a Stocks and Shares ISA. Zaven Boyrazian explore the advantages and disadvantages of various methods.

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.

You’re reading a free article with opinions that may differ from The Motley Fool’s Premium Investing Services. Become a Motley Fool member today to get instant access to our top analyst recommendations, in-depth research, investing resources, and more. Learn More.

The Stocks and Shares ISA is arguably one of the best types of investing accounts around. Why? Because all profits from capital gains and dividends are mine to keep, tax-free. And over the course of several decades, that can make an enormous difference in growing my wealth.

Figuring out where to invest up to £20,000 each year is always a bit of a challenge. Should I focus on growth stocks? Or do dividend-yielding investments serve as a better home for my capital? Let’s explore both types of opportunities.

Please note that tax treatment depends on the individual circumstances of each client and may be subject to change in future. The content in this article is provided for information purposes only. It is not intended to be, neither does it constitute, any form of tax advice. Readers are responsible for carrying out their own due diligence and for obtaining professional advice before making any investment decisions.

Investing in growth with a Stocks and Shares ISA

At the moment, growth stocks aren’t exactly popular. After nearly a decade of stellar performance, this class of equities came crashing down at the start of 2022. Many of these businesses are unprofitable, have limited access to financial resources, or have a lot of hurdles to overcome. And when fears of a recession start to climb, it doesn’t exactly make owning growth stocks an enticing proposition.

So why do it in the first place? That’s simple. A small enterprise that succeeds in its mission can often deliver 100-bagger returns in the long run. We’ve seen it before with Amazon and Netflix. That’s enough to turn many investors into millionaires from a single position, especially if they’re using a Stocks and Shares ISA. And it will undoubtedly happen repeatedly in the future.

The problem is being able to find these winners. For every diamond in the rough, there is a sea of mediocrity that will fail to deliver the expected performance. That’s why investing in growth stocks is often seen as a high-risk, high-reward venture.

What about the pursuit of dividends?

An alternative approach is to focus on income-generating investment opportunities. These tend to be more established enterprises with a long track record of success and more substantial balance sheets. So it’s easy to see why this class of equities are often perceived to be lower risk.

While it takes a long time to get the ball rolling, dividend shares can also create enormous wealth. Take a look at Warren Buffett’s original investment in Coca-Cola. The company has been growing its dividend payout for decades. And consequently, in 2021, Buffett earned approximately $672m in passive income from this position alone. That’s the equivalent of a 50% yield from his original investment, which might continue to grow larger. Now imagine if that level of passive income was generated inside a Stocks and Shares ISA!

However, once again, finding the next Coca-Cola is not an easy task. Plenty of high-flying blue-chip stocks get disrupted or eventually begin to decline. And that can spell danger for dividends. Remember, these are optional payments. And the list of companies that cut, suspend, or outright cancel dividends is far longer than those that maintain it for decades.

Picking between growth or income is an entirely personal decision. In my Stocks and Shares ISA, I have a collection of both. After all, why not enjoy the benefits of both investing styles while also diversifying my portfolio risk?

John Mackey, CEO of Whole Foods Market, an Amazon subsidiary, is a member of The Motley Fool’s board of directors. Zaven Boyrazian has no position in any of the shares mentioned. The Motley Fool UK has recommended Amazon. 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

Investing Articles

Down 35% in 2 months! Should I buy NIO stock at $5?

NIO stock has plunged in recent weeks, losing a third of its market value despite surging sales. Is this EV…

Read more »

Two employees sat at desk welcoming customer to a Tesla car showroom
Investing Articles

Could 2026 be the year when Tesla stock implodes?

Tesla's 2025 business performance has been uneven. But Tesla stock has performed well overall and more than doubled since April.…

Read more »

Portrait of elderly man wearing white denim shirt and glasses looking up with hand on chin. Thoughtful senior entrepreneur, studio shot against grey background.
Investing Articles

Could these FTSE 100 losers be among the best stocks to buy in 2026?

In the absence of any disasters, Paul Summers wonders if some of the worst-performing shares in FTSE 100 this year…

Read more »

Midnight is celebrated along the River Thames in London with a spectacular and colourful firework display.
Investing Articles

Up 184% this year, what might this FTSE 100 share do in 2026?

This FTSE 100 share has almost tripled in value since the start of the year. Our writer explains why --…

Read more »

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

You can save £100 a month for 30 years to target a £2,000 a year second income, or…

It’s never too early – or too late – to start working on building a second income. But there’s a…

Read more »

Hydrogen testing at DLR Cologne
Investing Articles

Forget Rolls-Royce shares! 2 FTSE 100 stocks tipped to soar in 2026

Rolls-Royce's share price is expected to slow rapidly after 2025's stunning gains. Here are two top FTSE 100 shares now…

Read more »

Road 2025 to 2032 new year direction concept
Investing Articles

Brokers think this 83p FTSE 100 stock could soar 40% next year!

Mark Hartley takes a look at the factors driving high expectations for one major FTSE 100 retail stock – is…

Read more »

Investing Articles

I asked ChatGPT for the best FTSE 100 shares to consider for 2026, and it said…

Whatever an individual investor's favourite strategy, I reckon there's something for everyone among the shares in the FTSE 100.

Read more »