Payment Processing

Payment processing that keeps your revenue moving.

MMG Corporation provides fast, reliable payment processing for online businesses — cards, wallets, local payment methods and crypto, across every market you sell in, through one EU-licensed institution.

One integration, every payment method
Visa Mastercard Apple Pay Google Pay PayPal Bank transfer Local schemes Crypto
Czech National Bank licensed PI PCI-DSS certified gateway Multi-acquiring & smart routing Worldwide acceptance
What matters in payment processing

The three things that separate good processing from great

Most businesses only notice their payment processing when something goes wrong — a decline, a hold, a dropped account. MMG is built so none of those happen.

High approval rates

Every declined transaction is lost revenue. Multi-acquiring with intelligent cascading recovers transactions that single-route processing would simply drop.

Stable, reliable infrastructure

Processing built on redundant multi-acquiring means one outage or decline doesn't stop your revenue. Designed to stay live when others go down.

Fast, transparent settlement

Clear settlement schedules agreed upfront. No surprise holds, no withheld funds. Your money moves on the timeline you expect.

Before and after

What changes when your payment processing works properly

Common processing problems

  • High decline rates eating into revenue
  • Account frozen without warning or explanation
  • Settlement delays and unexplained holds
  • Single acquirer — one point of failure
  • No support when something goes wrong

Processing with MMG

  • 94%+ approval rates via smart routing
  • Stable, licensed processing built to stay open
  • Transparent settlement, agreed upfront
  • Multi-acquiring keeps revenue flowing
  • A named account manager who picks up
Everything included

End-to-end payment processing under one license

The payment processing infrastructure, the payment methods, the acquiring relationships and the support — all managed by one licensed partner.

Card processing

Visa and Mastercard processing with 3DS2, SCA compliance and one-click for returning customers.

Wallets & local methods

Apple Pay, Google Pay, PayPal, bank transfers, local schemes and crypto — every method in one checkout.

Multi-acquiring routing

Smart cascading across acquirers lifts approval rates and keeps processing live even if one route fails.

Recurring billing

Subscription and card-on-file processing for SaaS and membership businesses — with smart retry logic.

Fraud & chargeback tools

3DS2, velocity rules and dispute support keep fraud low and chargeback ratios inside scheme thresholds.

Multi-currency settlement

Accept and settle across 30+ currencies — process internationally from a single integration.

Licensed institution

Payment processing backed by a licensed institution

Most payment processors are gateways that depend on third-party acquirers. MMG is a licensed payment institution — so the processing infrastructure, acquiring relationships and settlement all come from one regulated, accountable partner.

  • Supervised by the Czech National Bank
  • PCI-DSS certified processing infrastructure
  • High-risk categories underwritten on purpose
  • Operating worldwide since 2012

Processing by the numbers

Card approval rate94%+
Markets covered30+
Currencies30+
Uptime target99.9%
2012
Operating since
140+
Businesses processing with MMG
22
Years of expertise
Billions
In transactions processed
Getting started

Start payment processing in three steps

Tell us about your business

Share your model, target markets and expected volumes. We confirm what we can process and on what terms — usually within one business day.

Connect your integration

Build on our API or use our PCI-DSS hosted forms. Your account manager handles onboarding in parallel to keep it fast.

Process and scale

Start accepting payments across markets and currencies, with live monitoring and dedicated support as your volume grows.

Payment Processing FAQ

Questions about payment processing

What is payment processing?
Payment processing is the sequence of steps that authorise and settle a transaction — from the moment a customer enters their card details to the point funds land in your account. It involves the payment gateway, acquiring bank, card schemes and your merchant account. MMG manages the entire chain as a licensed payment institution, so you have one partner accountable for all of it.
How does online payment processing work?
When a customer pays, your checkout sends the payment data to the gateway, which routes it to an acquiring bank. The acquiring bank requests authorisation from the card scheme and the customer's issuing bank. If approved, the funds are reserved and settled to your account on an agreed schedule. MMG's multi-acquiring infrastructure adds intelligent routing and retry logic to maximise the number of transactions that get approved first time.
What payment methods can you process?
We process Visa, Mastercard, Apple Pay, Google Pay, PayPal, SEPA bank transfers, local payment schemes across 30+ markets and crypto — all through a single integration, so your checkout reflects how customers in each country prefer to pay.
How do you achieve high approval rates?
By routing each transaction through the acquirer most likely to approve it, with automatic retry and cascade logic when a route fails. This multi-acquiring approach is the single biggest lever for lifting approval rates — and it's built into every MMG processing setup from day one.
Can you process payments for high-risk businesses?
Yes. MMG specialises in payment processing for categories that mainstream processors decline — iGaming, adult, nutraceuticals, CBD, travel and lending. We underwrite each business individually, so tell us your category and we'll confirm what we can process and on what terms.
How does settlement work?
Settlement schedules are agreed during onboarding and held to consistently. We don't hold funds without reason or impose surprise reserves — the terms you agree are the terms you get. Specifics depend on your volume and risk profile, which your account manager walks through transparently before you go live.
How fast can we start processing?
Technical integration via our API or PCI-DSS hosted forms is typically a matter of days. Overall time depends on documentation and underwriting — your account manager runs both in parallel to keep onboarding as fast as possible.
Talk to sales

Let's get your payment processing right

Tell us your business model, markets and volumes. We'll come back with a processing setup and pricing tailored to you — usually within one business day.

Czech National Bank licensed PIEnd-to-end processing from one regulated partner.
No obligationA real specialist reviews your setup — not an automated system.
Response within one business dayTailored to your volumes, markets and payment methods.

Get a processing quote

Share your details and our team will come back with a tailored processing setup.

No obligation · Response within one business day

Thanks — we've got it.

A member of our processing team will reach out shortly with a tailored quote.

Better payment processing starts here.

Higher approval rates, multi-currency, every method your customers use — backed by a licensed institution that's been doing this since 2012.

Talk to sales