CHAPTER 10: CASE STUDY – BT

Perhaps one the most successful case studies in data governance and data quality improvement is that of British Telecommunications Group plc, also known as BT. One of the largest communication companies in the world, BT serves well over 20 million customers worldwide, most of them in Europe. From a data management perspective, BT is typical of a big and complex company, having grown over the decades through merger of government-controlled agencies, privatization, natural growth and acquisition. By 1997, BT’s growth and history had spawned over 700 operational systems organized around product lines.

It was then that the team at BT looked around and began to realize that the silos of data did not meet their business ...

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