This led to the creation of the Inter-Bank Computer Bureau (IBCB) within the Bankers Clearing House, which was tasked with setting up a computer facility and led by Dennis Gladwell to steer the creation and development of what would become the Bankers Automated Clearing Services.

A new location was found in 1971: a converted warehouse in Edgware on a site used by Amy Johnson and Jim Mollison on their solo flights to Australia.

Dennis Gladwell officially opened the fully operational site alongside E. O. Faulkner on Wednesday, 22nd November 1972.

The committee decided that a separate limited company should be created, and Bankers Automated Clearing Services was registered on 10 September 1971.

Voca Limited merged with the UK national switch provider LINK Interchange Network on 2 July 2007, and became Vocalink.

All Bacs users, including businesses that make payments to their suppliers or operate their staff payroll electronically, were required to move to BACSTEL-IP by the end of December 2005[5] or return to using cheques.

[7] New service users were required to use AUDDIS, a more efficient system for organizations to send new direct-debit instructions to their customers' bank or building society electronically instead of on paper, in 2008.

[8] A direct debit is an instruction from a customer to a bank (or building society) to authorize a third party to collect an amount from an account, often for regular payments.

In January 2019, it was announced that Bacs had processed a record 6.4 billion UK payments, totalling just under £5 trillion, the previous year.

[20] Bacs processed 6.5 billion UK payments totalling £5 trillion in 2019,[4] setting a single-day record of 124 million transactions at the end of November.