Digital Transformation is Essential for the future of Banking

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Become BIAN compliant

B.I.A.N. Services GmbH is established by the registered association “Banking Industry Architecture Network — BIAN e.V.” with the sole purpose educating and supporting the Financial Services Industry.

Create your Modern Bank Today

Faster in- and external integration by using the BIAN APIs

Start becoming Future Proof

Unleash innovation
with state-of-the-art automation

Become and Stay Agile

Accelerate composable
business transformation

The wheel is already invented

BIAN materials are created by over 100 organizations around the globe

Adopt the BIAN Standards


Receive a comprehensive overview of the BIAN framework, including:
Details of the Composable Architecture where business processes and objects are dynamically defined.

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The BIAN Foundation Certification is intended for those Enterprise-, Business- and Solution Architects in the Financial Services Industry (FSI) who wants to apply the BIAN Industry Standard in their ...

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Start working with BIAN Models in the Modeling Tool of your choice.
You can start with our “Bank on a Page” model supported by our very detailed Business Object Model and completed ...

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When asking “Were to start” we will help you by training your staff and applied the lessons learned into your daily practice so you can jump-start your digital journey.

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Some key figures

BIAN content has been produced by an community of over 200 leading banks, technology providers, consultants, and academics from all over the globe. With this industry expertise we define a revolutionary banking technology framework that standardizes and simplifies the banking architecture.

Members since 2008


Semantic APIs 250




BIAN Service Definitions


BIAN Transformation

Examples of BIAN implementations, including systems, architectural approaches, and mobile solutions. These solutions and products will show the value-add of the BIAN Models for organizations and highlight how they help to transform the industry as we know it.


The project involved the creation of the Digital Integration Hub (DIH), a consistent business service interface based on BIAN specifications and aligned to Citi’s core systems for branded cards, mortgage, and retail bank businesses.

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Union Bank of the Philippines

The project was created from the desire to establish a seamless, fully digital experience that could scale up to meet the country’s huge
demands for loans.

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Play Digital Consulting

Play Digital Consulting adopted BIAN, alongside Evolve, to give the banks a combination of methodology and standards to support the implementation of any IT decoupling process across the banking sector.

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HSBC formed five internal working groups to add BIAN as an industry reference framework and design new ways of working, including the business architecture initiative, which referenced BIAN in creating a purposeful and common business capability model.

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JP Morgan

As part of the initiative, JPMC is investigating how it can adopt BIAN on several levels, including semantic APIs and the business capability model to build a common abstraction layer which will complement JPMC’s proprietary business domain model.

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The organization helped its banking customers adopt the framework by providing them with API specifications and API templates that are BIAN

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“BIAN provides a standardized and extensive domain service model for Financial Services, so it was easy to pick up and implement the BIAN framework”

Tracy Strong

Chief Operating Officer, Global Wealth Technology


“BIAN enables us to deliver better services for our customers, at speed, with scale and at a lower cost”

Aarti Dahiya

Lead Architect, HSBC

JP Morgan Chase

“The BIAN message modeler is a tool which BIAN community member banks can review, compare, and align their APIs to the BIAN Semantic standards to increase the interoperability between banks and technology providers”

Timothy Ness

VP Senior Manager, Digital & Open Banking


“The BIAN framework will enable banks globally to integrate with external companies and support the move towards Open Banking more easily. We selected BIAN because it is the standardized framework that is most requested by customers”

Eran Agrios

SVP & GM of Financial Services

Play Digital Consulting

“We chose BIAN because of its maturity. With BIAN, we are facilitating and standardizing the way we design products, modernize applications and design APIs”

Francisco Gomez

Director General


“PNC’s ascension to a national financial power and adoption of BIAN principles go hand in hand. Quite frankly, only an architecture built on the BIAN framework allows an organization of the size of PNC to become and remain a technology leader”

Chris Momberger

Chief of Staff


“All the activities took us to simplify our enterprise architecture, reduce cost, improve each API and event development and take better decisions in our digital journey”

Alberto Cabello

Enterprise Architect

Tata Consultancy Services

“The project has resulted in significant value delivery for the bank with multiple business benefits across dimensions”

Reshma Lall

Head, Transformation Architecture Consulting