ITV Makes Subtitles Mandatory on Every TV Ad From January 2027
ITV will require closed-caption subtitles on every ad across its channels and ITVX from January 2027, and is launching a subsidised in-house subtitling service so smaller advertisers are not priced out of accessible TV.
What ITV Announced
ITV has confirmed that from January 2027 every advertisement running across its linear channels and its ITVX streaming platform must carry closed-caption subtitles. The move follows a similar commitment from Channel 4 and pushes commercial television towards 100% subtitled advertising for the first time.
To stop the rule shutting out smaller brands, ITV is pairing the mandate with a subsidised, in-house subtitling service aimed squarely at SMEs and businesses new to television. ITV's own team already produces around 1,000 ads a year at cost and works with roughly 2,000 advertisers, so the infrastructure to caption at scale is largely in place.
Why It Matters for Advertisers
Accessibility is the headline reason, and it is a serious one. ITV estimates around 18 million people in the UK are deaf or live with hearing loss or tinnitus, an audience that has effectively been under-served by un-subtitled advertising for decades.
But there is a hard commercial logic too. Most social and streaming video is now watched sound-off, so captions lift comprehension and viewability far beyond the hard-of-hearing audience. An ad that only works with the volume up is an ad that fails a large share of the impressions it pays for.
It also narrows the gap between how brands treat broadcast and how they treat social. If captions are already standard on your TikTok and Reels cut-downs, extending the same discipline to your TV master is a small step that pays off across every channel.
Marketing Minute's Take
We read this as the moment captioning stops being a 'nice to have' and becomes a baseline production standard. Any brand planning TV or BVOD activity from 2027 should brief and budget for subtitles from the very first creative conversation, not bolt them on at the end.
There is an SME opportunity hiding in the detail. ITV says its push to make TV accessible to smaller advertisers has already driven a roughly 15% year-on-year rise in new-to-TV brands, two-thirds of whom come back. A subsidised subtitling service lowers the barrier further, and for a local or challenger brand, broadcast TV with guaranteed captions is a credibility signal as much as a reach play.
What Businesses Should Do Now
Practically, three things. First, add 'broadcast-standard captions' to every video creative brief and make it a non-negotiable deliverable from your agency or production partner. Second, if you are an SME, ask ITV directly about the subsidised subtitling service before assuming TV is out of budget. Third, audit your existing library, because the assets you plan to run into 2027 will need compliant captions regardless of when they were made.
Jason Spencer, ITV's business development director, called reaching 100% subtitled advertising a 'long-term goal', and the direction of travel across broadcasters is now unmistakable. Treat 2026 as the year to get caption-ready rather than scrambling in December.
Quick FAQ
When do ITV's mandatory ad subtitles start?
From January 2027, all advertising across ITV's channels and the ITVX streaming service must carry closed-caption subtitles.
Will subtitling ITV ads cost extra for small businesses?
ITV is launching a subsidised in-house subtitling service aimed at SMEs and new-to-TV advertisers, so smaller brands are not priced out. Its team already produces around 1,000 ads a year at cost.
Why do subtitles on ads matter beyond accessibility?
Around 18 million people in the UK have hearing loss, but captions also lift comprehension and viewability in sound-off viewing, so they improve performance for every viewer, not just the hard-of-hearing.
Mandatory ad captions look like a compliance story, but they are really an effectiveness story. Sound-off is the default way people watch video now, so if your ad only lands with the volume up, you are wasting a large chunk of what you paid for. Caption everything, and start today. - Daniel Nikolla, Founder of Merx Marketing
Captioning is no longer an accessibility afterthought - from 2027 it is a baseline TV production standard, and the brands that get caption-ready in 2026 will avoid a costly year-end scramble.
Are your video ads built to work with the sound off - and is every asset in your library caption-ready for 2027?
If you would like to know more about this topic, please contact us on danieln@merxmarketing.co.uk
Sources: Campaign, Advanced Television, Liam O'Dell.
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Written by Daniel Nikolla, Founder of Merx Marketing Ltd and Marketing Minute
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