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See what others are asking in the frequently asked questions below
MEXEM operates with the following schedule (GMT+2):
Please note that we are also closed on major holidays, including Christmas and Easter. We recommend checking our website or contacting our support team for any changes or updates to our operating hours.
MEXEM provides support in the following languages:
If you have specific language preferences or needs, please let us know, and we'll do our best to accommodate you.
MEXEM Financial Services UK Limited is authorised and regulated in the UK by the Financial Conduct Authority. Our details can be checked on the Financial Services Register. Our Firm reference number is 1009371.
MEXEM Financial Services UK Limited is registered in England, number 15248800. Registered office: Enterprise House First Floor, 2 The Crest, London, United Kingdom, NW4 2HN.
To open an account with MEXEM, you'll need the following:
Please ensure all documents provided are current and clearly legible to ensure a smooth account setup process.
Yes, you can.
If, for whatever reason, you are unable to access your account online, you can call us, and we will assist you in opening or closing a position over the phone.
While most brokers charge a fee for this service, at MEXEM, we offer this assistance free of charge to our clients.
No, Mexem UK does not charge any monthly account fee for holding a Stocks and Shares ISA. You will only pay low trading commissions and any applicable third-party charges (such as exchange, regulatory, or FX conversion fees) when you buy or sell investments within your ISA.
Mexem UK does not charge for transfers. Note, the transferring ISA manager may charge you for transferring investments or cash proceeds to us.
Under a stocks and shares ISA you are permitted to invest in a range of qualifying investments:
- Shares listed on recognised stock exchanges
- Corporate securities- Recognised UCITS funds (Undertakings for Collective Investment in Transferable Securities)
- Mutual funds- Government and corporate bonds
- Depository Receipts, such as American Depository Receipts (ADRs) and American Depositary Shares (ADSs)
For the complete list of permitted ISA investments, please see the official HMRC ISA guidance. Important InformationStocks and Shares ISAs cannot hold non-qualifying investments. Only eligible assets may be included within your ISA account to maintain its tax-free status
Yes, to check the tax-year to date contributions you need to create a deposit notification for a fund transfer. Before selecting "Get Transfer Instructions" on the final page there is a contribution tracker showing you how much you have contributed so far during the current tax year.
HMRC regulations require Mexem UK to remove the non-qualifying investments from the Stocks and Shares ISA account within 30 calendar days. Mexem UK will transfer the non-qualifying investments to your linked General Individual Account to ensure we continue to operate your ISA account in accordance with HMRC regulations.
You can only open an Mexem UK Stocks and Shares ISA under a GBP cash account type. A cash account requires that all transactions are made with available cash or long positions.
No, the only ISA account type that Mexem UK offers is a non flexible Stocks and Shares ISA account. That means you can take money out, but it will count towards your annual ISA allowance if you pay it back in the same tax year. ISA flexibility means you are able to withdraw from your ISA without affecting your annual allowance. A flexible Stocks and Shares ISA allows the individual to withdraw funds from their stocks and shares ISA and put them back into it, within the same tax year, without affecting their annual ISA allowance.
For the 2025/26 tax year, the Junior ISA annual allowance is £9,000.This limit applies across all Junior ISAs your child may hold, including both cash and stocks & shares accounts.
Yes. You can transfer your existing Junior Stocks & Shares ISA or Junior Cash ISA from another provider into a Mexem UK Junior Stocks & Shares ISA. Important: Mexem UK does not currently accept Child Trust Fund (CTF) transfers. If your child has a CTF, you’ll need to transfer it to another provider that supports CTF conversions before moving it to Mexem UK.
With a Mexem UK Junior Stocks & Shares ISA, you can invest in a wide range of qualifying instruments approved by HMRC, including:
- UK and international shares.
- Exchange-Traded Funds (ETFs)UCITS
- Mutual funds, Bonds
- Fixed-income securities Depository receipts
Mexem UK does not charge any transfer-in fees.However, your existing provider may charge an exit fee — check with them before submitting the request.
A Junior ISA (JISA) is a tax-free savings and investment account designed to help you build a secure financial future for your child. Any money you invest grows free from Income Tax and Capital Gains Tax, making it one of the most efficient ways to save for their future. There are two types of Junior ISAs available in the UK:
Junior Cash ISA:
– earns tax-free interest.
Junior Stocks & Shares ISA:
– lets you invest in a wide range of qualifying investments such as shares, ETFs, funds, and bonds.At Mexem UK, we offer a Junior Stocks & Shares ISA that gives you access to 150+ global markets, 33 countries, and 23 currencies, all through our powerful trading platforms.
Parent or legal guardian: Opens the account and acts as the registered contact. Ownership: All contributions belong to the child.Access: Funds remain locked until the child turns 18, at which point the Junior ISA automatically converts into an adult Stocks & Shares ISA.