MB Way and Multibanco in Portugal in 2026 — A Practical Guide to the SIBS-Owned Card Rails, the 11,000-ATM Network, the Mobile-Wallet App, the MB Spot Cash-In/Cash-Out Service and the Mechanics Outside Visa-Mastercard

What Multibanco Is

Multibanco is the brand name for the Portuguese domestic interbank card-processing network, operated by SIBS — Sociedade Interbancária de Serviços, a banking-sector joint venture owned principally by the Portuguese commercial banks. The Multibanco system processes ATM withdrawals, card-present POS purchases and a wide span of online card-not-present transactions across the country, with around 11,000 ATMs (caixas automáticas Multibanco) installed in bank branches, supermarkets, transport hubs, post offices and high-street locations. Essentially every debit and credit card issued by a Portuguese bank carries the Multibanco logo, usually co-branded with a Visa or Mastercard scheme mark for international acceptance.

What MB Way Is

MB Way is the SIBS-developed mobile-wallet layer that sits on top of the Multibanco rails. Users register a Multibanco-branded debit or credit card to MB Way through their banking app — every Portuguese retail bank exposes an MB Way activation flow inside its mobile app — and the wallet then enables four headline functions: person-to-person transfers using a mobile phone number, contactless NFC payments at any Multibanco-accepting POS, cardless ATM withdrawals using a QR code or alphanumeric token, and tokenised card-not-present online purchases through merchants that integrate the MB Way checkout button.

Why the SIBS Rails Matter

Most Portuguese cards run on a dual scheme — Multibanco for domestic transactions and Visa or Mastercard for international acceptance. The domestic Multibanco leg keeps interchange and acquiring fees lower than the international schemes, which is one reason the SIBS rails are still load-bearing in Portuguese retail despite the Visa and Mastercard rollout of contactless across Europe. For a foreign resident, the practical consequence is that the same card works domestically on Multibanco and abroad on Visa/Mastercard, with the network selected automatically by the acquiring terminal.

The Entidade-Referência-Montante Bill Rail

Outside the card flow, Multibanco operates the most widely-used bill-payment rail in Portugal. A merchant or public-sector entity issuing a payment reference generates a five-digit Entidade (the payee identifier), a nine-digit Referência (the bill identifier) and a Montante (the amount). Anyone with a Portuguese bank account can settle the bill at any Multibanco ATM or through online banking by keying in those three numbers, with the funds credited to the payee inside the same banking day.

The Entidade-Referência rail carries the day-to-day Portuguese financial life: IRS (personal income tax) settlements, IVA remittances, the IUC annual road tax, the IMI property tax, social-security contributions, the Portagens tolls reconciliation, utility bills (EDP, REN, water-municipal concessions, Galp Energia gas, MEO/NOS/Vodafone telecoms), insurance premiums, parking fines, court fees and the bulk of consumer e-commerce checkouts — all sit on top of this single domestic-payments substrate.

MB Way P2P Transfers

Person-to-person transfers via MB Way are instantaneous and free for the sender, capped at per-transaction and daily limits set by the issuing bank. A typical limit profile is €750 per transaction and €2,500 per day, though some banks publish higher caps for verified clients. The recipient does not need to bank with the same institution as the sender — only a mobile phone number registered to MB Way against a Portuguese card. Limits can be raised on request through the issuing bank, subject to anti-money-laundering documentation under the Lei n.º 83/2017.

MB Way Contactless and POS

The MB Way app can be configured to make NFC contactless payments at any POS that accepts Multibanco. The phone substitutes for the physical card. PIN entry or biometric authentication is required for amounts above €50 under the PSD2 strong customer authentication rules in force across the EU since 2020. Smaller-value contactless taps run frictionless. Apple Pay, Google Pay and Samsung Pay also tokenise Portuguese Multibanco-Visa or Multibanco-Mastercard cards and route over the same rails; the choice between MB Way, Apple Pay and the bank's own app at the terminal is purely a user-experience choice rather than a network-level one.

MB Spot — Cash-In and Cash-Out at the Corner Shop

SIBS has rolled out an agent-based cash-in/cash-out service called MB Spot that lets MB Way users deposit or withdraw small-denomination cash at participating retail locations. The service runs at thousands of retail partner outlets — newsagents, convenience stores, papelarias and other small retailers — and is mainly used in towns and freguesias where the local bank branches have closed and the nearest standalone Multibanco ATM is several kilometres away. The transaction is authorised through the MB Way app and the agent settles in real time over the SIBS rails.

What a Multibanco ATM Actually Does

Portuguese ATMs are unusually full-featured by international standards. The same machine that dispenses cash will, on a typical day:

• Top up mobile phone credit (carregamento de telemóvel) for any MEO, NOS, Vodafone, NOWO or Digi prepaid number;
• Issue and reload public-transport passes — the Lisbon Navegante, the Porto Andante and the inter-regional Passe Ferroviário;
• Settle motorway tolls and reconcile the Via Verde monthly bill;
• Top up Continente, Worten, Pingo Doce and Auchan loyalty cards;
• Pay state-services bills via the Entidade-Referência-Montante triplet — IRS, IVA, IUC, social-security, parking fines, court fees, traffic-fine settlements at ANSR;
• Buy concert and football tickets through the Ticketline channel;
• Request a paper transcript of the last several account movements (movimentos) and an account balance (saldo);
• Open a savings or term-deposit account with the issuing bank (depósitos a prazo) through a guided ATM flow.

Fees Foreigners Should Know

A Portuguese-issued debit card used at any Multibanco ATM in Portugal is fee-free for the cardholder regardless of the card's issuing bank — Portugal operates a single national fee schedule for in-country cash withdrawals by domestic cards. A foreign-issued card is charged a surcharge by the ATM operator at certain locations (typically the Euronet machines installed at heavily touristed sites in Lisbon, Porto and the Algarve resorts); SIBS-operated Multibanco ATMs do not surcharge foreign cards on top of the issuing bank's fee. The cleanest path for foreign residents is therefore to open a Portuguese current account, request the Multibanco card, register MB Way through the bank's app, and use the domestic rails for everyday spend.

Onboarding Sequence for New Residents

The end-to-end sequence to get onto the SIBS rails as a foreign resident in Portugal is straightforward:

1. Obtain a NIF from the Autoridade Tributária or at a Loja do Cidadão.
2. Open a Portuguese current account at one of the retail banks (BPI, Millennium BCP, Santander Totta, Novobanco, ActivoBank, Banco CTT, Caixa Geral de Depósitos, Banco Best) — the documentary requirements run on the Lei n.º 83/2017 AML schedule covered in the opening-a-bank-account guide.
3. Receive the Multibanco debit card by post (typical wait window seven to ten working days).
4. Install the bank's mobile app and, separately, the standalone MB Way app from SIBS through the App Store or Google Play.
5. Register the card to MB Way through the bank app — the standalone SIBS app then synchronises automatically using the mobile phone number as the key.
6. Set a P2P phone number — this becomes the destination for all incoming MB Way transfers from friends, colleagues and family.

Limits, Complaints and Fraud Reimbursement

Card and MB Way limits sit under the Banco de Portugal's general payment-services oversight. Complaints over fees, declined transactions or fraud disputes route through the Livro de Reclamações (the electronic complaint book at livroreclamacoes.pt) and the central bank's Bank Customer Service (Cliente Bancário). Fraud-related MB Way disputes follow the PSD2 unauthorised-transaction reimbursement timeline: the bank must process a provisional refund inside one business day of the dispute being raised, with potential clawback after the investigation concludes if the underlying transaction is found to be authorised.

Foreign-Issued Cards — Visa, Mastercard, Wise, Revolut

Most foreign-issued Visa and Mastercard debit and credit cards work cleanly at Portuguese POS terminals and at SIBS-operated ATMs, with the issuing bank's fee schedule applying. Wise (formerly TransferWise) issues EUR-denominated cards with no ATM fees up to €200 a month and a 1.75% conversion fee above the threshold. Revolut issues a Portuguese IBAN through its Lithuanian banking licence and now plugs directly into MB Way for users with the Portuguese IBAN active. The Revolut MB Way integration removes most of the friction that foreign residents historically faced when running an all-foreign-bank setup in Portugal.

What's Coming Next

SIBS has been piloting tap-to-phone POS acceptance for small merchants — turning a smartphone into a card terminal — and a request-to-pay (R2P) flow that complements the SEPA Instant Credit Transfer rail. The European Central Bank's Digital Euro project, which has been preparing through 2025-2026, will sit alongside (not replace) the Multibanco domestic rails, with SIBS expected to be one of the Portuguese intermediaries when the retail Digital Euro launches inside the EU. Multibanco is also one of the few national card networks in the Eurozone to have survived intact alongside the Visa-Mastercard duopoly, and SIBS continues to file new patents in the Iberian payments space through the Lisbon Inovação SIBS Forward Payments laboratory.