Component 5 – 1@2x.jpg

Obsessed with the

merchant experience.

We empower our partners to connect seamlessly with merchants and their customers.

Payments as a Service Platform

We partner with acquirers and payment providers to deliver exceptional merchant experiences. Our bank-grade, Payments as a Service platform and scalable cloud-based technology seamlessly connects the world of commerce into payments.

Terminal image no Verifone@2x.jpg

Integrated (POS) 
In-store Solutions

E-commerce 2@2x.jpg


Value added services.jpg

Value-added Services

Customer success@2x.jpg

Customer Success & Support


Cloud-based API Integration Layer


Modern Merchant Dashboard

Support Monitoring 2.jpg

Real-time Support Monitoring

Path 8@2x.png

"Our partnership with mx51 has helped us go to market with one of the most technologically advanced payments solutions in the world. Our collaboration has delivered fast and seamless payment integration for our merchants coupled with unique real time monitoring technology to provide an unprecedented level of reliability, service & support."

Westpac Banking Corporation

Payment as a Service Platform

We offer a white-label, bank-grade Payment-as-a-Service (PaaS) cloud platform that holds PII data for acquirers and payment providers. Our state-of-the-art PaaS platform for transaction processing enables faster delivery of compelling merchant propositions that solve for multi-channel payment needs.

New infograph round 3@3x@2x.jpg

In the news

Here's what people are saying about us.

MX51 low res-8531811.jpg

Westpac-backed fintech start-up mx51 raises $25m

The Australian Financial Review May 24, 2021

Westpac-backed fintech start-up mx51 raises $25m

Westpac-backed banking technology company mx51 has raised $25 million only a year after splitting from Assembly Payments, having already processed $1 billion of transactions.


Founded by former Westpac executive and Assembly Payments co-chief executive Victor Zheng, mx51 offers a white label solution for banks and non-bank acquirers to offer merchants a multi-channel payments platform, which rivals the likes of Stripe, Tyro and Square.


mx51 gears up for global growth

AB+F September 12, 2020

mx51 gears up for global growth

mx51 is in the process of inking a deal with a global bank as it gears up for global expansion.

The business was part of Assembly Payments. At the time Assembly Payments had two businesses: A direct to market business which was focused around platform marketplace payments and secondly a white-label making platform.

“For many reasons, it made sense to have the business set up as separate entities.