Case Study

How T-Plan Helped the Bank of England Deliver a Time-Sensitive, High-Value Financial System on Budget

Bank of England QA success using T-Plan test automation

Financial QA in the 'Square Mile'

The Bank of England is the UK’s central bank and a key pillar of the nation’s financial system. It oversees financial stability, manages large-value transactions, and ensures the safe operation of the country’s monetary infrastructure.

At the time, T-Plan was recognised as the leading software quality management tool by industry analysts Ovum Ltd. Its proven approach to structured testing made it a natural fit for a project of this scale and regulatory importance.

Market

Finance & Banking

The Challenge

Serious vulnerability in physical settlement processes

Solution

Bank launched the Central Money Markets Office (CMMO) project

The Challenge:

In 1990, a City of London messenger carrying £291.9 million in certificates of deposit and treasury bills was robbed in transit. Although the documents were recovered, the incident highlighted a serious vulnerability in physical settlement processes.

In response, the Bank launched the Central Money Markets Office (CMMO) project. Its objective was to develop a secure, electronic platform capable of handling up to £80 billion in daily transactions. The project required stringent quality assurance to ensure accuracy, security and stability.

The Bank selected T-Plan to help implement a robust QA framework of testing and establish rigorous controls across the quality lifecycle.

Key challenges included:

  • Delivering a high-value, high-compliance system under tight budget and time constraints
  • Adapting to a 36% change in requirements during the development phase
  • Reducing testing overheads while maintaining confidence in system performance
  • Implementing a robust QA strategy to ensure traceability and control

The Solution:

T-Plan was used to define and manage every aspect of the Bank’s QA strategy, providing full traceability from requirements through to test execution. It allowed the QA team to:

  • Build a structured test plan aligned with the Bank’s governance and delivery framework
  • Manage test cases, progress and coverage through a centralised platform
  • Reduce the originally planned QA headcount from 15 to just 11, improving efficiency
  • Maintain full oversight and control even as the project scope changed significantly

The tool helped ensure the entire QA process remained accountable, efficient and fully auditable.

Conclusion:

The Bank of England’s CMMO project was a pivotal step forward in modernising the UK’s financial settlement infrastructure. Despite significant pressures around time, budget and scope, the project was delivered successfully. A result made possible through structured planning, disciplined QA and the effective use of the T-Plan platform.

"The CMMO was delivered on time and within budget and it has been operating successfully for some six months. In a project of this size and complexity, this is no small achievement; it is something in which the Bank as a whole can take some pride."
Bank of England QA success using T-Plan test automation
Deputy Chief of the Banking Department, Bank of England.

Why The Bank Chose T-Plan

  • Application agnostic. Automation of any application – legacy or new.
  • GUI level automation meant no API interaction – security sensitive.
  • User-friendly interface requiring minimal on-site programming expertise.
  • Management control of scheduled tasks.

Results

  • Delivered under budget – Final QA costs came in at £600,000, saving £300,000
  • Reduced testing effort – Smaller QA team achieved full coverage
  • Managed major scope change – 36% requirements change absorbed without impact to delivery
  • Long-term value – The system operated successfully for years after launch
  • Tool longevity – The Bank continued using T-Plan more than a decade later
  • Community leadership – The Bank of England became Chair of the T-Plan User Group

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