OFCOM's guidance about transparency reports
Online Safety Transparency Reporting
Final Transparency Guidance¶
Published 21 July 2025
For more information on this publication, please visit ofcom.org.uk
Contents¶
Section¶
1. Overview ............................................................................................................................. 3
2. Background ......................................................................................................................... 4
3. How Ofcom determines what transparency reports should cover: principles and factors ......................................................................................................... 7
4. How Ofcom determines what transparency reports should cover: engagement ...................................................................................................................... 16
5. How information from providers’ transparency reports will be used to produce Ofcom’s transparency reports ........................................................................... 20
6. Compliance ....................................................................................................................... 24
Annex¶
A1. Matters about which information may be required ........................................................ 27
Section 1 Overview¶
Introduction¶
Ofcom is the United Kingdom’s (UK) communications regulator, overseeing sectors including telecommunications, post, broadcast TV, radio, and online services. We were appointed the online safety regulator under the Online Safety Act 2023 (“the Act”) in October 2023.
Summary of the information in this document¶
1 Section 78(1) of the Act
Section 2 Background¶
Legal framework¶
Our general duties¶
Categorised services¶
2 Section 3(2)(g) of the Communications Act 2003 3 Section 3(4A) of the Communications Act 2003 4 Section 108 of the Deregulation Act 2015 5 Section 92(2) of the Act
6 A regulated service includes a user-to-user service or search service that has links with the United Kingdom and is not otherwise exempt by the Act. A regulated user-to-user service can be a combined service, if it includes a public search engine. See Part 2 of the Act for more on these key definitions. 7 Section 77 of the Act sets out that Ofcom must give a transparency notice to every provider of a “relevant service”, which is defined in sub-section (5) as a Category 1 service, a Category 2A service and a Category 2B service. 8 Section 95(2) of the Act.
Duty to produce report in accordance with Ofcom’s notice¶
Information Ofcom may require a provider to produce¶
9 Schedule 11 to the Act; The Online Safety Act 2023 (Category 1, Category 2A and Category 2B Threshold Conditions) Regulations 2025. 10 Where a provider is a provider of more than one categorised service, a notice must be given to the provider in respect of each categorised service (see Section 77(2) of the Act). 11 Section 77(3) and (4) of the Act. 12 For the definition of “user-to-user part (of a service)” see section 236 of the Act. 13 For the definition of “search engine” see section 229 of the Act.
c) where the service is a combined service, special rules apply depending on the parts of the register that it falls within.14
Factors that Ofcom must take into account¶
Ofcom’s transparency report¶
14 See section 77(8) and (9). If a combined service is both a Category 2A service and a Category 1 or 2B service, Ofcom may require the production of user-to-user information or search engine information or both. However, if a combined service is only a Category 2A service and not also a Category 1 or 2B service, then Ofcom may only require the production of search engine information. 15 The duties of care that user-to-user and search services must comply with are set out in Schedule 8, part 3 to the Act. These duties of care include, but are not limited to, carrying out illegal content and children’s risk assessments, protecting children’s online safety, empowering adult users, protecting content of democratic importance, and duties about content reporting and complaint processes.
16 These are the additional duties service provides must comply with. These duties include, but are not limited to, user identity verification, reporting child sexual exploitation and abuse content, terms of service duties and deceased child user duties 17 Paragraph 37, schedule 8 to the Act. 18 Section 159 (1) to (5) of the Act.
Section 3 How Ofcom determines what transparency reports should cover: principles and factors¶
What this section covers¶
What we can require in reports: illustrative examples¶
19 As defined in paragraph 41 of Schedule 8 to the Act. 20 Section 15(2) of the Act imposes a duty on Category 1 services to include in a service features which adult users may use or apply if they wish to increase their control over content, to the extent that it is proportionate to do so. This includes features that reduce the likelihood of the user encountering content or alert the user to content present on the service that is a particular kind of content.
21 “’functionality’, in relation to a user-to-user service, includes any feature that enables interactions of any description between users of the service by means of the service”. section 233(1) of the Act. Please refer to section 233(2) of the Act for a non-comprehensive list of user-to-user functionalities.
How Ofcom determines what to require in reports¶
The wider context¶
22 Section 233(3) of the Act.
approach that, so far as possible: (i) strengthens safety governance in online services, (ii) ensures online services are designed and operated with safety in mind, (iii) gives greater choice for users so they may have more meaningful control over their online experiences, and (iv) promotes trust in services’ safety measures.23
Our approach: Key principles and factors¶
23 See Figure 1, Roadmap in Ofcom's approach to implementing the Online Safety Act - Ofcom 24 See Chapter 2 for full discussion of the legal framework; in Annex 1 we reproduce the matters detailed in Schedule 8 to the Act for ease of reference.
25 Note that references to different “kinds” of service (such as this) include references to services grouped together for this purpose in Ofcom’s risk profiles: see section 236(4) of the Act. 26 See Appendix A of Ofcom’s illegal harms Service Risk Assessment Guidance. 27 See Appendix A of Ofcom’s illegal harms Service Risk Assessment Guidance
may be particularly prevalent based on the size of the user base and characteristics of the service.
28 Volume 2: The causes and impacts of online harm – Ofcom, 2023, p.321. 29 The exception is Chapter 2 which relates to the reporting of CSEA content (and which applies more widely).
consequence. In our notices, we will not ask services to publish information about duties that it is not required to comply with. We recognise that, in some cases, services may be categorised or de-categorised during the reporting year (and that additional duties may apply for different periods of time). Where we ask for information or data relating to how a service is complying with such additional duties, we will only ask services to produce information about duties that the service must comply with at the time we issue the notice.
Other factors that will affect the design of transparency notices¶
30 See section 236(1) of the Act (definition of “capacity”).
transparency report, which will draw upon this information. More information on this process is outlined in Chapter 5.
An example of thematic information requirements would be a focus on the efficacy of measures to address specific manifestations of CSAM across relevant services. We may ask for detailed information about the governance processes, internal KPIs or safety measure outcomes relating to this topic. Our consideration of services' functionalities and service type would help us to identify which services do and do not generate risks of CSAM and would therefore receive these additional information requirements.
would enable comparisons across the industry. When we decide what information to require of services each year, we will therefore consider if it is possible to do so in a way that produces comparable information from different services or if that information needs to be bespoke to the specific service in order to remain appropriate and relevant.
Confidentiality and commercial sensitivity¶
Section 4 How Ofcom determines what transparency reports should cover: engagement¶
Our approach¶
Transparency notices: the engagement process¶
containing the information Ofcom proposes to require services to produce in their transparency reports. This will offer the opportunity for providers to make written representations on the proposed information to be produced within the report before the notice is formally issued. Among other things, this process is intended to ensure the requests are clear, targeted and proportionate to the technical capabilities and capacity of the provider.
Step 2 - Providers may make written representations in respect of the draft¶
Step 3 - Ofcom formally issues the notice¶
31 Information requests from Ofcom: why you have one and what you need to do - Ofcom
should inform us immediately and explain why. Deadlines to produce a final report will have taken into account relevant written representations made in response to the draft notice and therefore will consider deadline extensions only where there is a good reason for doing so, like the unexpected absence of a key employee responsible for producing the required information, technical difficulties or other exceptional circumstances beyond the service provider’s control. Every extension request will be considered on its own merits.
Engaging with non-platform stakeholders¶
Developing transparency notices¶
Developing Ofcom’s own reports¶
32 Section 208(1)-(2) of the Act
engaging with organisations that can help us to ensure our reports are as accessible as possible, or research organisations that hold relevant contextual data or information.
Section 5 How information from providers’ transparency reports will be used to produce Ofcom’s transparency reports¶
Our approach¶
What we plan to achieve¶
How we will get there¶
33 Section 159 of the Act.
The process¶
Fig 2. The transparency reporting cycle
Sources of information for Ofcom’s reports¶
Confidentiality and commercial sensitivity¶
34 Section 393(2) of the Communications Act.
Section 6 Compliance¶
Our approach¶
What we expect from service providers¶
35 Section 131 of the Act lists the duties in section 77(3) and (4) as enforceable requirements. 36 Ofcom, ‘Protecting people from illegal harms online: Annex 11: Enforcement guidance (draft for consultation),’ (9 November 2023). 37 Ofcom’s enforcement powers are set out in Chapter 6 of Part 7 of the Act and enable us to enforce the duties and requirements applying to service providers and, where relevant, other persons or third parties.
include being signed off by an appropriately senior accountable person. Providers should consider the following prior to submission and publication of their reports: a) the level of detail they have provided in response to each request; b) whether they have sufficiently addressed all the requests in the notice; and c) the approach taken to quality assure information and data provided.
Enforcement action by Ofcom¶
38 Our Online Safety Enforcement Guidelines provide further information about the circumstances in which enforcement action may be applied to related entities. 39 Penalties will be determined and set in accordance with our Penalty Guidelines and will consider all the circumstances of the case and will take into account the potentially relevant factors set out in the Penalty Guidelines published in September 2017.
40 Schedule 15 to the Act gives Ofcom powers to issue notices that may hold companies and individuals jointly and severally liable for a contravention. Our Online Safety Enforcement Guidelines provide further information about the circumstances in which enforcement action may be applied to related entities.
A1 Matters about which information may be required¶
Part 1. Matters about which information may be required: user-to-user part of service¶
1. The incidence of illegal content, content that is harmful to children, relevant content and content to which section 15(2) applies on a service. 2. The dissemination of illegal content, content that is harmful to children, relevant content and content to which section 15(2) applies by means of a service. 3. The number of users who are assumed to have encountered illegal content, content that is harmful to children, relevant content or content to which section 15(2) applies by means of the service. 4. The formulation, development, scope and application of the terms of service. 5. The systems and processes for users to report content which they consider to be illegal content, content that is harmful to children or relevant content. 6. The systems and processes that a provider operates to deal with illegal content, content that is harmful to children and relevant content, including systems and processes for identifying such content and taking it down. 7. Functionalities designed to help users manage risks relating to content that is harmful to children and relevant content. 8. Features, including functionalities, that a provider considers may contribute to risks of harm to individuals using the service, and measures taken or in use by the provider to mitigate and manage those risks. 9. The design and operation of algorithms which affect the display, promotion, restriction or recommendation of illegal content, content that is harmful to children, relevant content or content to which section 15(2) applies. 10. Measures taken or in use by a provider to comply with any duty set out in Chapter 2 or 4 of Part 3 or section 38 (including in particular measures that are described in a code of practice under section 41).
41 Parts 1 and 2 of Schedule 8to the Act. 42 Section 77(8) and (9) of the Act. If a combined service is both a Category 2A service and a Category 1 or 2B service, Ofcom may require the production of user-to-user information or search engine information or both. If a combined service is only a Category 2A service and not also a Category 1 or 2B service, then Ofcom may only require the production of search engine information.
11. Measures taken or in use by a provider to comply with the duty set out in section 64(1) (user identity verification). 12. Arrangements that a provider has in place for the reporting (in the United Kingdom or elsewhere) of content relating to child sexual exploitation and abuse, and measures taken or in use by a provider to comply with a requirement under section 66. 13. Measures taken or in use by a provider to comply with any duty set out in section 71 or 72 (terms of service). 14. Measures taken or in use by a provider to comply with any duty set out in section 75 (deceased child users). 15. The systems and processes by which a provider assesses the risk of harm to individuals from the presence of illegal content or content that is harmful to children— a) when the service is initially being designed or developed, b) when any further development or update to the service is being considered, and c) while the service is in operation. 16. The systems and processes that a provider operates— a) to direct users of the service to information about how they can protect themselves from harm in relation to illegal content and content that is harmful to children, and b) to counteract or provide support to users of the service in relation to illegal content and content that is harmful to children present on the service. 17. Co-operation by a provider with government, regulatory or other public sector bodies in the United Kingdom, in particular those involved in the enforcement of the criminal law. 18. Measures taken or in use by a provider to provide for a higher standard of protection for children than for adults. 19. Measures taken or in use by a provider to improve the media literacy43 of users, and an evaluation of the effectiveness of such measures. 20. Any other measures taken or in use by a provider which relate to online safety matters.
Part 2. Matters about which information may be required: search engine¶
21. The incidence of illegal search content and search content that is harmful to children on a service. 22. The number of users who are assumed to have encountered illegal search content or search content that is harmful to children. 23. The formulation, development, scope and application of the statements of policies and procedures mentioned in sections 27(5) and 29(5). 24. The systems and processes for users to report search content which they consider to be illegal content or content that is harmful to children, or other content which they consider breaches any statements of policies and procedures which have been made publicly available by the provider of a service.
43 See section 11 Communications Act 2003 for an explanation of media literacy in relation to Ofcom’s duties to promote media literacy.
25. The systems and processes that a provider operates to deal with illegal search content and search content that is harmful to children, including systems and processes for identifying such content and minimising the risk of those kinds of content being encountered by means of the service. 26. Functionalities designed to help users manage risks relating to search content that is harmful to children. 27. The design and operation of algorithms which affect the display, promotion, restriction or recommendation of illegal search content or search content that is harmful to children. 28. Measures taken or in use by a provider to comply with any duty set out in Chapter 3 or 4 of Part 3 or section 39 (including in particular measures that are described in a code of practice under section 41). 29. Arrangements that a provider has in place for the reporting (in the United Kingdom or elsewhere) of content relating to child sexual exploitation and abuse, and measures taken or in use by a provider to comply with a requirement under section 66. 30. Measures taken or in use by a provider to comply with any duty set out in section 75 (deceased child users). 31. The systems and processes by which a provider assesses the risk of harm to individuals from illegal search content or search content that is harmful to children— a) when the service is initially being designed or developed, b) when any further development or update to the service is being considered, and c) while the service is in operation. 32. The systems and processes that a provider operates— a) to direct users of the service to information about how they can protect themselves from harm in relation to illegal content and content that is harmful to children, and b) to counteract or provide support to users of the service in relation to illegal search content and search content that is harmful to children. 33. Co-operation by a provider with government, regulatory or other public sector bodies in the United Kingdom, in particular those involved in the enforcement of the criminal law. 34. Measures taken or in use by a provider to provide a higher standard of protection for children than for adults. 35. Measures taken or in use by a provider to improve the media literacy of users, and an evaluation of the effectiveness of such measures. 36. Any other measures taken or in use by a provider which relate to online safety matters.