The U.K.’s competition regulator has outlined new plans to regulate Big Tech firms that will enable it to take a much more flexible and proactive approach towards investigations.

The regime, which came into force on Jan. 1 through the Digital Markets, Competition, and Consumers Act (DMCCA), allows the Competition Market Authority (CMA) to impose conduct rules on tech firms that it designates as having “strategic market status” (SMS). This means that the CMA can stamp out types of corporate behavior it feels may be anti-competitive and which harm consumers before an infringement notice is issued.

Neil Hodge is a freelance business journalist and photographer based in Nottingham, United Kingdom. He writes on insurance and risk management, corporate governance, internal audit, compliance, and legal...