Islamic finance markets itself as ethical finance, and in Britain three providers have built products where the ethics are a feature you can point at: a tree planted per account, a charity's name on a deposit, a carbon readout per transaction. The instinct to save where saving does good is sound; the discipline this guide adds is checking what the feature actually delivers, what it costs in rate, and when the honest answer is that a plain deposit plus a direct donation does more good per pound. Products verified August 6, 2026.
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Gatehouse's Woodland range: the real thing
Gatehouse Bank plants a tree in certified UK woodland projects for every Fixed Term Woodland Saver or Woodland Cash ISA opened or renewed, under its membership of the UN Principles for Responsible Banking. The claim is specific (certified UK woodland, per account, including renewals), the institution is a wholly Islamic PRA-authorised bank, and, this is the part that makes the range genuinely recommendable, the products lead their categories anyway: the one-year Woodland Cash ISA at 4.35% AER tax-free was arguably the best risk-free halal yield open to ordinary UK taxpayers at our crawl date, and the Woodland Saver's 4.30% at six months led the sub-year fixed market alongside HBZ's eDeposit. You are not paying for the tree; the tree comes with the market-leading product. That is the correct shape for a values feature, and the range anchors our ISA guide on merit.
Al Rayan's EACI deposit: read it as a deposit
Al Rayan's 36-month fixed term deposit carries Educate A Child International branding, a charity partnership on a product paying 4.55% expected profit from 10,000 GBP, profit reinvested and paid at maturity. Our verification records the branding and the partnership; what the product page does not quantify is a per-account donation mechanism comparable to Gatehouse's tree pledge, so we describe it as charity partnership branding rather than a measured giving product, and we assess it as a deposit. As a deposit it is strong: 4.55% led the three-year Islamic market at our crawl date and, curiously, out-paid Al Rayan's own two-year at 4.43%, making it the right pick for three-year money at this bank regardless of the branding. Savers whose goal is funding education specifically may prefer the plain-deposit-plus-direct-donation route below, where the amount and recipient are entirely theirs.
Algbra: values as infrastructure
Algbra builds the values in as plumbing rather than product: donations to more than 100 causes from within the app, per-transaction carbon tracking and offsetting, B Corp certification, and ethical screening commitments (alcohol, gambling, tobacco and arms excluded) on the investment side of its Saver Cubes. The honest frame from our Algbra guide applies unchanged: the wallet is safeguarded e-money rather than an FSCS deposit, no scholar board is published, and Cube rates hide in-app. As a values-forward spending layer it is the best in Britain; as a savings destination it competes only through the Cubes, and only when the in-app rate competes with the licensed banks' published fixes.
The comparison that matters: feature vs donation
| Route | What good gets done | What you give up |
|---|---|---|
| Gatehouse Woodland fix/ISA | A tree per account in certified UK woodland | Nothing; the rates led their categories at our crawl |
| Al Rayan EACI 36m | Charity partnership branding; mechanism not quantified on page | Nothing vs Al Rayan's own curve; 4.55% led three-year market |
| Algbra spending + Cubes | Donations, carbon offsetting, screened investment | FSCS on the wallet; rate visibility on the Cubes |
| Plain best deposit + direct donation | Exactly the charity and amount you choose, Gift Aid eligible | The warm default; requires you to actually make the donation |
The last row is the benchmark every values feature must beat, and savers should run it honestly: a saver who takes the best plain rate and standing-orders one percent of the balance to a chosen charity does more targeted good than any branded product delivers, if they follow through. The branded products' real value is removing the if: the tree gets planted whether or not you remember to be generous. Behavioural honesty, not cynicism, is the right lens; pick the route whose good actually happens in your hands.
The rate check, run honestly
Since values features tempt savers off the best rate, run the August 6, 2026 numbers. The Woodland Cash ISA at one year (4.35% tax-free) led the tax-free market outright: no sacrifice. The Woodland Saver at six months (4.30%) sat 16 basis points under HBZ's 4.46% eDeposit: on 10,000 GBP, 16 GBP a year for the tree and the app servicing Gatehouse offers and HBZ does not, a defensible trade either way. Al Rayan's EACI at 4.55% was the best published three-year rate anywhere: no sacrifice. Algbra's Cubes cannot be checked without the app, which is itself the finding: never assume a values product prices fairly; verify, then choose. The pattern across the field is genuinely encouraging, the UK's values-linked halal products mostly sit at or near the top of their categories, but the pattern holds because savers check, and this section is the check.
Zakat is not a product feature
One boundary worth drawing: none of these features substitutes for zakat, which is calculated on your wealth, not on the bank's marketing. Expected profit accrued across all these accounts enters the zakat calculation like any other asset, the zakat hub and Kestrl's calculator handle the arithmetic, and BLME, for the curious, publishes a shareholder Zakat Statement showing the institutional version of the same duty. Purification of non-compliant earnings is likewise the banks' own documented practice (Al Rayan's board confirms non-compliant income goes to charity annually), not a saver-facing feature. The giving the products automate sits on top of these obligations, never in place of them.
How to choose, by motivation
- You want the best halal rate and the good is a bonus: Gatehouse Woodland range; the rates stand alone and the trees are real.
- You want three-year money at Al Rayan: the EACI deposit is the right term on the curve regardless of branding.
- You want your daily spending aligned: Algbra, with the wallet-sizing discipline from our stack guide.
- You want maximum good per pound: best plain rate from the savings comparison, plus a standing order to your charity, plus Gift Aid.
- You want all of it: they stack; nothing prevents Woodland ISA, Algbra spending and a direct donation coexisting.
Frequently asked questions
Do green features make a product more halal?
No; Shariah compliance is a property of the contract and the asset screening, certified by each provider's governance, and a tree does not change a structure. The features express the ethical spirit of Islamic finance, which is real and valuable, but the compliance question is settled by fatwas and boards, per our regulation explainer, not by branding.
Is the tree pledge audited?
Gatehouse states the planting happens in certified UK woodland projects under its UN Principles for Responsible Banking membership; our verification records the published pledge and its terms. As with every claim on this site, we report what the provider publishes and date it; savers wanting project-level detail should ask the bank directly.
Compare providers in your state
See side-by-side comparisons of Shariah-compliant products, or let our matcher recommend the best options for your situation.
Can I do Gift Aid on the interest I purify from a conventional account?
Purified interest is generally given without expectation of reward or personal benefit, and whether Gift Aid's tax mechanics are appropriate on money you were never entitled to keep is a question for a scholar and, separately, for HMRC's rules. Kestrl's purification tool computes the amount; the routing deserves proper advice rather than a comparison site's guess.