Costs, licensing, consumer protection Privacy, self-custody, censorship resistance

FinLego

FinLego

3.1/5 3.9/5 · Data verified on

FinLego is a London-based, white-label modular fintech infrastructure provider founded in 2020: it offers API building blocks to launch financial products (core banking, ledgers, virtual and physical card issuing, custodial and non-custodial wallet-as-a-service with MPC key management, compliance). It is a technology provider, not a licensed financial institution: licensing and custody depend on the client.

31
Transparency: Very low
31/100 · see methodology
31
Data exposure: Minimal
31/100 · lower is better for sovereignty · methodology

Data & conditions

Service type Card issuing / BaaS
Pricing model Not disclosed
Card types virtual, physical
Custody model MPC
Customer type Fintech, Developers, Platforms
Fund custody Self-custody (funds in your control)
Supported countries UK, EEA
OAM Italy registration No
Segment B2B
Funding / solidityFounded in 2020 in London (86-90 Paul Street). Modular fintech infrastructure provider; funding not publicly disclosed.
MiCA / License status Not disclosed

Strengths

  • API-first modular infrastructure for cards, wallets and core banking in one stack.
  • Wallet-as-a-service both custodial and non-custodial with MPC key management.
  • Fast time-to-market for fintechs and Web3 platforms.
  • Self-custody: funds stay in your wallet — the platform cannot touch them.

Weaknesses

  • B2B service: not accessible to end consumers.
  • Technology provider with no licenses of its own: compliance falls on the client.
  • Little public documentation on funding, clients and pricing.
  • No notable sovereignty drawback documented.

Verdict

C A ★ 3.1/5 ★ 3.9/5

Score 3.1/5, average profile. In its favour: aPI-first modular infrastructure for cards, wallets and core banking in one stack. The trade-off to weigh: b2B service: not accessible to end consumers.

On the Sovereignty lens the score is 3.9/5 (very strong): the strength is fund control (3.9/5).

Fund control 20% 3.9

Promp's editorial rating based on real fees and net annual cost. Promp reviews third-party products independently.

"Sovereignty" rating: score computed on privacy/anonymity (30%), fund control (20%), censorship resistance (20%), trustless/auditability (20%) and costs (10%). Same data, different weights.

FAQ

Can an individual use FinLego?

No. It is B2B infrastructure that other companies use to issue their own branded cards and wallets.

Does FinLego custody funds?

FinLego is a software provider: it offers both custodial and non-custodial wallet-as-a-service, but custody and licensing depend on the client's chosen setup.

Sources

Update history

✓ Terms unchanged since Jul 17, 2026

🔔 Notify me of changes

← Back to Card Issuing & BaaS (CaaS)