Tandem Bank

0 standards supported

Overview

Tandem Bank is a UK digital bank operated by Tandem Bank Limited, founded 2015 and now positioned as "the UK's greener digital bank" [1, 2]. Tandem offers savings accounts, green home-improvement loans, motor finance and a credit-card business, with a strategy centered on financing the transition to lower-carbon living. It holds a full UK banking license (FCA + PRA).

History

2015 — Tandem founded [2]: One of the earliest wave of UK challenger banks, co-founded by Ricky Knox and others.

2018 — Banking license via Harrods Bank acquisition [2]: Tandem acquired Harrods Bank, gaining a full UK banking license.

2021-2022 — Pivot to green banking + acquisitions [2]: Tandem rebranded around sustainability, acquiring Allium Lending Group (home-improvement / green lending) and the Oplo consumer-lending group to build out its green-finance balance sheet.

Ownership & operator

Operating entity: Tandem Bank Limited (UK).

Co-founder: Ricky Knox (early CEO) [2].

Major backers: Pollen Street Capital and other institutional investors [2].

Regulators: FCA + PRA (UK); deposits FSCS-protected.

Technical integration

Layer	Description
Channels	Tandem mobile app (iOS + Android) + Tandem card
Identifiers	Email + phone + sort code + account number
UK rails	Faster Payments + BACS
Card network	Mastercard (credit card)
Wallets	Apple Pay + Google Pay via EMV tokenization
Products	Savings, green home-improvement loans, motor finance, credit card

Implementations & partners

Operator: Tandem Bank Limited (FCA + PRA-regulated UK bank).

Acquisitions: Harrods Bank (license), Allium Lending Group, Oplo [2].

Competitors: [[monzo]], [[starling]], [[zopa]], [[atom-bank]], other UK challengers; green-finance peers.

Status

Active [1, 2]:

Tandem Bank Limited — full UK banking license (acquired via Harrods Bank, 2018).
Repositioned as a green / sustainable digital bank focused on home-improvement and green lending.
Customer counts and financials not consistently disclosed in verifiable public form (~).

Sources

Source

Biography extracted from tandem-bank.md. See matrix.md for standards-support matrix if present.