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A view of the modern office buildings in London's financial district, as seen from an elevated position near Cannon Street railway bridge, looking north.

Software Integrators

Financial System Solutions

Leaders in the design and development of transaction banking systems since 1988. Together, we can create innovative solutions for your business.

Why choose SI?

About us

Software Integrators is an independent and highly reputable software technology company serving financial institutions across the globe. Our track record is one of delivering high end financial messaging solutions to the interbank financial messaging marketplace for over 35 years. Our staff are some of the most experienced staff in financial messaging. 
Our products concentrate on the financial messaging market place with particular emphasis on the high end performance required for Tier 1 banks. Our Star messaging hub provides banks with a single point of messaging supporting ISO 20022 and the latest Swift standards and complies with all regulatory requirements, using the latest technology including cloud native.
Payments processing is similarly supported via our Cope payments processing system which has the same set of attributes.
We work closely with leading partners, such as HPE, IBM and Swift.



We are one of the few vendors qualified by Swift to offer a FIN interface, an RMA interface and a Communication interface. With Star we can handle every step of your message pathway – from creation through to delivery at Swift.


We are recognised as a Compatible Vendor Software Product provider for the Fedwire Funds Service, having satisfied the Federal Reserve Bank’s test requirements.

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