IG Cashback Offer UK 2026 — Get Up to £5,000 Cashback

How the free shares offer (WELCOME300) works

The headline offer for new investors. Open a new IG share dealing account (ISA, GIA or SIPP) using code WELCOME300, place your first trade within 30 days of activation, do at least £300 of net trades by the end of that same calendar month, and hold an average of £300 invested for three full calendar months afterwards. IG then credits a randomly allocated bundle of UK-listed shares worth between £40 and £300 to your GIA.

The honest catch

It’s a lottery within a range, and the odds sit firmly at the low end. IG publishes the probabilities: £40–£50 (60%), £50–£75 (25%), £75–£100 (10%), £100–£200 (4%), and £200–£300 (just 1%). So go in expecting £40–£50 and treat anything above £100 as a pleasant surprise. You can sell the shares the moment they land or hold them.

Who can claim

• New IG clients only. You must never have held any IG account — of any type — before 1 March 2026. Unlike some IG promos, there’s no spread-betting carve-out here: a prior CFD or spread bet account rules you out.
• UK resident, 18 or over.
• Account opened between 16 March and 31 December 2026 with code WELCOME300 (or a bespoke partner code) applied at sign-up.
• Tracking must fire via IG’s provider (Impact). Adblockers, disabled cookies, or switching device/browser mid-journey can void the reward.

When you get paid

The shares are credited to your GIA — not your ISA or SIPP, even if that’s where you traded — by the end of the month following your three-month holding period. Worth a look at our free shares in the UK guide for what other brokers are doing on the same idea.

How the £500 cashback (JUNECASH500) works

The cash alternative, but you’ve got to be quick — this one ends 30 June 2026. Open to new share dealing clients (ISA, GIA or SIPP), or existing IG clients who’ve been contacted directly by IG to take part. Invest in June, hold through to the end of October, cashback paid by the end of November.

How the tiers work

The £50 / £150 / £300 / £500 you get is based on your average invested value across the holding period (1 July–31 October 2026), not what you initially deposit. Transfers in don’t count — it has to be new money invested in shares or ETFs.

Tiers aren’t pro-rated. £4,999 invested pays £50; £5,000 pays £150. If you’re sitting just under a threshold, nudging over it is the most lopsided rate of return you’ll ever see.

The key conditions

• New share dealing clients via code JUNECASH500, or existing clients personally invited by IG.
• You must open or already hold a GIA — that’s where the cash is paid, even if you invested through an ISA or SIPP.
• Smart Portfolios are excluded. Self-directed share dealing only.
• A market dip below £500 won’t disqualify you — only withdrawing or selling does.
• Paid by 30 November 2026, into a GIA, so it sits outside any tax wrapper.

What if I’m bringing a portfolio across?

The transfer offer was extended — it now runs to 30 June 2026 (it originally closed in May). Instead of a flat percentage, IG pays a fixed cashback amount based on which tier your transfer lands in. Maximum is £5,000, but you need to transfer over £1 million to hit it. Note: this one is GIA or ISA only — SIPPs are not eligible, and transfers from Freetrade are excluded.

The terms in short

• Code: TRANSFER5000 (or a direct invitation from IG)
• £10,000 minimum transfer
• Promotion window: transfer form must be submitted by 22:00 on 30 June 2026
• Transfer must complete by 31 August 2026
• Maintain at least one open position throughout the 11-month qualifying period (to 31 May 2027)
• Cashback paid by 30 June 2027, into your GIA
• GIA or ISA only — not SIPPs. Freetrade transfers excluded.

The thing that catches people out

Cashback is calculated on your transfer value net of any withdrawals during the qualifying period. Pull money out and drop below £10,000 net and you get nothing. Transfers themselves take two to eight weeks — with the 31 August completion deadline, get the form in well before late June to give legacy providers time.

What you’d actually earn

Tiers aren’t cumulative — a £20,000 transfer pays £100, but £20,001 jumps you to £250. If you’re near a boundary, a small top-up before submitting the form is worth it. You don’t need to add new money — IG pays you to bring across what you already own.

Hold on, who actually are IG?

The IG brand dates back to 1974, so longer than most banks you can name. It started as a spread betting outfit and added share dealing, ISAs and SIPPs over the past decade. IG Group is listed on the London Stock Exchange under IGG. Share dealing is provided by IG Trading and Investments Ltd, authorised and regulated by the FCA (firm reference 944492).

Practically speaking: your money sits in segregated accounts and you’re FSCS-protected up to £85,000 if anything ever went wrong on their end. Standard fare for any decent UK broker but worth knowing it’s there. You can check the registration yourself on the FCA Register.

Where IG isn’t great: small, passive portfolios. If you’re putting £1,000 into an index fund and never trading it, you’ll pay less elsewhere — Trading 212 and InvestEngine come to mind. Where IG shines: bigger portfolios, active investors, and anyone wanting share dealing alongside spread betting and CFDs from one login. For a fuller take, the IG review goes into where it works and where it doesn’t.

Right, what do I actually have to do?

For WELCOME300 (the free shares offer), in order:

1. Check the offer’s still live via the IG page before you start.
2. Open a share dealing account — ISA, SIPP or general.
3. Enter WELCOME300 in the promo code field at sign-up. There’s no adding it afterwards.
4. Get through the ID checks.
5. Place your first trade within 30 days of activation.
6. Do at least £300 of net trades by the end of that calendar month.
7. Hold an average of £300 invested for three full months afterwards.
8. Wait — your random share bundle lands in your GIA the month after.

Going for JUNECASH500 instead? Same idea, but invest £500+ in June, hold to 31 October, and you get cash (up to £500) by 30 November. For the transfer offer: open the account, submit the transfer form by 30 June, let it complete, and hold one position to 31 May 2027.

So which one should I take?

Are other brokers offering more?

IG isn’t always winning on the headline number, but its terms are unusually clean — deposit, hold, get paid, with no quarterly trading-volume hurdles.

What’s the catch?

• The hold period matters. Withdraw during it and you can drop a tier (JUNECASH500) or fall out of the offer entirely.
• WELCOME300 is weighted low — 60% of people land in the £40–£50 band. It’s a nice extra, not a windfall.
• Cashback is taxable. It’s paid in cash into a GIA, outside any ISA wrapper, so HMRC sees it. Tax treatment depends on your circumstances.
• Self-directed only. Smart Portfolios are excluded.
• The promo code goes in at sign-up. Once. There’s no retrofitting it afterwards.
• Transfers exclude SIPPs and Freetrade, and only count net of withdrawals.

If you’re thinking about a SIPP transfer or anything tax-heavy, talk to an IFA before moving money around.

Is it worth it?

If you’re a new investor starting out and not in a hurry, take WELCOME300 — lowest bar, three-month hold, runs to year-end. Expect £40–£50 of shares and treat more as a bonus.

If you’ve got £500+ to invest and can hit 30 June, JUNECASH500 pays cash and scales to £500 — clean terms, no trading-volume traps.

Moving an existing portfolio of £10,000+ (GIA or ISA) from another broker? TRANSFER5000 adds up fast and needs no new money.

What I wouldn’t do is open an IG account purely for the bonus. If IG isn’t the right home for how you invest, you’ll quietly pay it back in fees within a year. Our full IG review and is IG good for beginners breakdown both cover where it fits.