A new era in online safety?

• The UK’s Online Safety Act 2023 imposes sweeping duties on online platforms—including non-UK companies—to manage illegal and harmful content, with penalties up to £18m or 10% of global turnover.
• Ofcom wields strong enforcement powers, including fines, blocking access to non-compliant services, and criminal liability for executives.

The United Kingdom’s Online Safety Act 2023 (OSA 2023) is ushering in a transformative era in digital regulation—one that will be felt far beyond the UK’s borders. Coming into effect in stages throughout 2025, the legislation redefines how online platforms must address illegal and harmful content, raising the bar for safety and accountability across the internet.

Friday 25 July 2025 marks a critical moment in the Act’s implementation, as key provisions, including child safety duties and enforcement guidance, begin to take practical effect. It is arguably a moment of global reckoning for digital