Rebuilding the Three Lines of Defence for the Agentic Bank

A 2030 blueprint for Tier 1 banks on control, assurance and risk oversight when AI agents run the customer journey

By 2030, much of UK banking will be delivered through always-on AI agents — reasoning, acting and adapting in real time. The control frameworks banks built for humans won’t hold. This paper sets out how Tier 1 banks should redesign governance, risk oversight and assurance for a world where every customer journey can take its own path.

Inside the report

01

Why Three Lines of Defence still works — and how to rebuild it

From periodic review to continuous supervision and machine-enforceable controls.​

03

A three-tier approach to live assurance

How specialist models, context-aware assessment and human oversight combine into a unified command centre.

05

What risk functions will look like in 2030​

Six ways teams adapt — from shaping agentic propositions early to using AI to monitor AI at scale.​

02

A proposed agentic risk taxonomy​

A four-tier classification model and eight risk domains including autonomy, conduct, traceability and change governance.​

04

A structured approval record for agentic use cases

The four things the second line must see before any agentic capability goes live.

06

Six priority programmes for delivery​

The linked workstreams that move a bank from ad hoc pilots to one scalable control model.​

01

Why Three Lines of Defence still works — and how to rebuild it

From periodic review to continuous supervision and machine-enforceable controls.​

02

A proposed agentic risk taxonomy​

A four-tier classification model and eight risk domains including autonomy, conduct, traceability and change governance.​

03

A three-tier approach to live assurance

How specialist models, context-aware assessment and human oversight combine into a unified command centre.

04

A structured approval record for agentic use cases

The four things the second line must see before any agentic capability goes live.

05

What risk functions will look like in 2030​

Six ways teams adapt — from shaping agentic propositions early to using AI to monitor AI at scale.​

06

Six priority programmes for delivery​

The linked workstreams that move a bank from ad hoc pilots to one scalable control model.​

Download the report

Explore where financial services stands on AI today, and what leaders must prioritise next.

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