Visiting address

Programme. 1 All Saints' Street

BS1 2LZ,


Postal address

Programme. 1 All Saints' Street

Bristol , BS1 2LZ

United Kingdom


Tel +44 117 930 4455


Contact person

Company information

Power of the Next Era of Payments

Unified Commerce Enablement

NMI has been providing payment solutions to the parking industry for over 20 years, and is the UK’s most trusted payment gateway. We are continually chosen by local councils, NHS Hospitals, shopping centres, and operators at the UK’s main airports, for our range of transaction processing services.

Nowadays it’s much more than just paystation payments though - we support a growing number of clients with multi-channel payments which allow them to accept transactions from parking apps, online enforcement and pre-booking payments, QR codes and face-to-face retail. And all reporting is combined into an easy to use management portal.

  • One platform, multiple payment options
  • Ultra-high reliability and certified security
  • Integrations to all leading manufacturers
  • Support for all major UK/EU/US acquirers
  • Wide range of supported payment devices
  • P&D, PoF, ANPR, QR, Mobile, Ticketless, and EV charging
  • to add payments to their solutions enabling them to focus on what they do best.

Any Payment, Anywhere

Make it easy to process e-commerce, retail, mobile and unattended payments on any device, anywhere all from one payment gateway platform.

Unified Payments Data

A single token repository turns payment data into valuable insights and delivers a superior merchant and customer experience.

Customize Your Offering

Add our gateway technology to your business to easily implement new payment methods, support multiple devices and maintain control over your pricing terms and brand.

Infographic displaying icons of a laptop, desktop computer, mobile phone and vending machine

Add More Than Just Payments to Your Business

Leverage our unified commerce enablement platform to drive new value, extend your brand, create new revenue streams and achieve disruptive results. Whether your business needs a solution that caters to e-commerce, mobile, retail and unattended, or just one of them, our platform can help.

One Platform. Endless Payment Possibilities

Our flexible processor connections, a wide range of devices, third-party integrations, APIs and SDKs enable you to offer payment solutions as unique as your business all on a single gateway platform.

We also provide EMV Kernel software, the nucleus of chip card transactions, to the world’s leading manufacturers of EMV payment devices.

Proven in the Field

NMI is the driving force enabling ISVs, ISOs, Payment Facilitators, and Payment Integrators to compete in today’s new era of commerce where payment processing is the new battleground.

Selection of icons to show key statistics, including dollar sign, handshake, payment devices and multidirectional arrows

Company information

Headquarters location Programme. 1 All Saints' Street
BS1 2LZ, Bristol
United Kingdom
Some facts
Founded in
Founded by

Founded in 1999 as Creditcall by Nick McGarvey

Acquired by NMI in 2018, and now operating across the UK, Europe and North America.

NMI processes 2.3Bn transactions a year, and there are over 237,000 devices connected to our payment gateway.

Company Size
419 as of May 2024


  • Contactless Payment
  • Credit and Debit Card Processing
  • Credit and Debit Cards
  • Digital Payments
  • ePayment Solutions
  • EV Charging Platform
  • Financial Services
  • Mobile payment
  • Mobile Payments and Visitor Management
  • Mobile Point-of-Sale (POS)
  • Mobility payments
  • On Street Parking Solutions
  • Online payment solution provider
  • Online Reservations & Subscriptions
  • Payment acceptance
  • Payment Gateway
  • Payment Processing
  • Payment Solutions
  • Payment terminals
  • PCI Compliance and Network Security
  • processing acquiring services
  • Revenue Control
  • Unattended solutions
  • Unified Commerce Enablement

Product information

Our unified commerce platform opens up an entirely new recurring revenue stream for your software with every transaction it powers. By leveraging this revenue opportunity, you can stop paying someone else and turn your software into a profit center.

Today's Unified Commerce Mandate

Icon of a globeUnify all points of engagement and deliver a superior merchant and customer experience.

Icon of a desktop, payment terminal and mobile phoneProcess any type of payment, in-store, mobile, online, self-service, on any device, anywhere.

NMI Logo, sideways sand timer in a hexagonUnify payments data in a single token repository and turn it into a new source of value, with full integrity.

Icon of a bar graph with three bars getting higherAdd new business models, markets, value-added services and revenue-sharing opportunities.

Unify All Points of Engagement

One Platform For All of Your Customers' Payment Needs

Whether your customers are in need of an accounting integration to make running their business easier or fraud detection to keep their business safe, our expanded services cover it all.

Unified Token Vault

Our Unified Token Vault gives you and your customers insights into all transactions, no matter what sales channel was used to initiate the transaction. 

Deliver a Seamless Customer Experience

Deliver a seamless experience for your customers across any point of engagement.

The Basics

Icon of three dollar signs Accept USD, CAD and many international currencies based upon processor integrations.

Icon of a chip from a chip and pin card Accept payments from Visa, MasterCard, Discover, America Express, Diners Club and JCB.

Icon of a desktop monitor. Process payments, manage transactions and generate reports from a single account.

Platform Core Features

Series of icons including laptop, shopping trolley, clipboard, cog and calendar.

Press releases