# Constantinople

> Constantinople is a Sydney enterprise fintech that combines banking products, customer apps, operations, compliance, data and cloud infrastructure in one AI-native service. It sells to banks, credit unions, fintechs and brands that want to launch, migrate or expand banking propositions without stitching together a large vendor stack or building every middle- and back-office function themselves.

- **Founded:** 2022
- **Headquarters:** Sydney, Australia
- **Founders:** Macgregor Duncan (Co-Founder & Co-CEO), Dianne Challenor (Co-Founder & Co-CEO)
- **Team size:** Approximately 110 employees in the supplied company data; the company says its team spans more than 25 countries.
- **Products:** Digital customer experience, Bank products, Managed banking operations, Risk and compliance, Data, security and infrastructure
- **Notable:** Raised what Forbes Australia described as Australia's largest seed round at the time: A$32 million., Raised a A$50 million Series A led by Prosus Ventures in April 2024., Won Great Southern Bank as its first client and investor, then helped launch the bank's Business+ small-business proposition.

## Products & services

- **Digital customer experience** — Configurable native mobile and web apps, headless APIs and SDKs, digital onboarding, an AI concierge and a customer engagement engine.
- **Bank products** — Configurable deposit accounts, payments, debit and credit cards, mortgages, and consumer and business lending with origination and servicing.
- **Managed banking operations** — Onboarding, financial-crime and fraud operations, payments and cards operations, lending servicing, customer support, collections and hardship workflows.
- **Risk and compliance** — Embedded controls, AML/CTF and fraud monitoring, regulatory reporting, audit trails and human oversight for AI-assisted decisions.
- **Data, security and infrastructure** — A real-time ledger, unified data layer, cloud-native microservices, APIs, security operations and resilience controls.
- **Justinian** — An AI-powered workbench for executives, product managers, bankers and support teams, with configuration, workflow, reporting and audit capabilities.
- **Migration and launch services** — End-to-end help for legacy bank migrations, greenfield bank propositions, retail and business banking, and embedded banking launches.

## Achievements

- Raised what Forbes Australia described as Australia's largest seed round at the time: A$32 million.
- Raised a A$50 million Series A led by Prosus Ventures in April 2024.
- Won Great Southern Bank as its first client and investor, then helped launch the bank's Business+ small-business proposition.
- Publicly lists Great Southern Bank, MoveBank, Tyro and MYOB as clients.
- Achieved SOC 2 Type II and ISO 27001 certification according to the company.
- Expanded its operating footprint to Sydney, Singapore and India and reports a team representing more than 25 countries.
- Formed strategic infrastructure partnerships with 10x Banking and Paymentology in 2025.

## Latest updates

- **2025-11** — Selected Paymentology to provide card issuing, processing and digital-wallet integration across Visa and Mastercard programs.
- **2025-08** — MYOB announced Solo Money, an embedded transaction account within its Solo app, supported by Great Southern Bank and Constantinople.
- **2025-06** — Announced a strategic partnership with 10x Banking to accelerate next-generation banking and joint market expansion across APAC.
- **2025** — Great Southern Bank launched an enhanced Business+ app built with Constantinople, adding invoicing, MYOB and Xero feeds, and digital vehicle-loan applications.
- **2024-04** — Closed a A$50 million Series A led by Prosus Ventures, with Square Peg and AirTree participating.

## Links

- Website: https://www.cxnpl.com/
- LinkedIn: https://au.linkedin.com/company/cxnplio

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Profile page: https://yespress.io/constantinople
Published by YesPress — https://yespress.io
Last updated: 2026-08-17