Spread bets and CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. 70% of retail investor accounts lose money when trading spread bets and CFDs with this provider. You should consider whether you understand how spread bets and CFDs work, and whether you can afford to take the high risk of losing your money.
UK Regulated Stockbroker Since 2009 | Client funds held with IG | FSCS protection up to £85,000 | Best CFD Broker 2026
A wider market to explore
Some of the world’s best known companies are listed in the United States.
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From technology and artificial intelligence to consumer brands, healthcare and financial services, the US market gives UK investors access to businesses and sectors from across the global economy.
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Investing in US shares can broaden the range of companies available to you beyond the UK market.
Global markets.
Personal UK service.
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Investing online does not have to mean doing everything alone.
Technology gives investors access to markets around the world. Guardian adds the personal relationship that can be missing from an online only service.
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A person you know
You have a named Guardian relationship manager and a UK team you can speak to when you need us.
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Market insight
Stay connected to what is moving global markets through Guardian research and market commentary.
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Established technology
Access the IG platform and its market technology through your relationship with Guardian.
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UK regulated
Guardian Stockbrokers Limited is authorised and regulated by the Financial Conduct Authority. FRN 492519.
US shares and Stocks & Shares ISAs
A tax-efficient way to hold eligible US shares
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Eligible US shares can also be held within a Stocks & Shares ISA.
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While an ISA can shelter investment gains and income from UK tax, it does not normally remove US withholding tax from dividends paid by US companies.
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For more detail on ISAs, W-8BEN and US dividend taxation, read our US Shares Guide.
Accessing US shares
with Guardian
Explore the companies​
Access a wide range of leading US listed companies through the platform.
Access the US market
Connect to major US markets through Guardian using established IG technology.
Currency matters
US stocks are priced in dollars, so movements in GBP/USD can affect their sterling value.
How to get started
Open your account in a few simple steps
1
Apply
Complete the short Guardian application.
2
Open your IG account
We will introduce you to IG to open a trading account.
3
Fund your account
Add funds securely with IG.
4
Access US markets
Trade online or call your Guardian relationship manager.
What our clients say
Trusted by traders across the UK
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Professionalism, Responsiveness
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Professional and proactive I’m really happy that they were recommended to me.
I would recommend Guardian Stockbrokers.
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Professionalism, Quality,
Responsiveness, Value
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I could not more highly recommend Guardian Stockbrokers, everyone has been brilliant. The attentiveness, training and technical detail provided, has enabled a fast track learning and an ability to manage the portfolio in a way that would far exceed my own capabilities. ​
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Professionalism, Responsiveness​
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​I've known Guardian Stockbrokers since their inception.
When dealing with trading, you want to work with people that are professional, personable and trustworthy.
Guardian Stockbrokers are all of the above. ​
I'd recommend them any day!
Looking beyond the US?
Explore opportunities in the UK market​​​
Alongside US shares, Guardian can help you access leading UK listed companies across sectors including financial services, healthcare, energy, industrials, consumer brands and technology.
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The UK market includes globally recognised companies in the FTSE 100, more domestically focused businesses in the FTSE 250 and smaller growth companies listed on AIM.
