Sky's £1.6 billion acquisition of ITV's Media & Entertainment division, announced on 6 July 2026, will create a combined entity controlling more than 70% of the UK's television advertising market — and the Competition and Markets Authority (CMA) is already being called upon to scrutinise the deal. For UK businesses that rely on television advertising, the merger is not a distant regulatory matter: it is a signal that the ground beneath Britain's advertising landscape is shifting fast.
What the Sky-ITV Deal Actually Involves
Sky agreed to acquire ITV's broadcast and on-demand operations for up to £1.6 billion: £1.2 billion payable upfront and a further £200 million contingent on ITV's advertising revenues reaching £1.7 billion by 2028. Completion is targeted for the second half of 2027, with a longstop date of 6 July 2028.
The combined group would own Sky Atlantic, Sky One, ITV, ITV2, all Channel 3 regional licences, and ITVX — the UK's most-watched free ad-supported streaming service. Together, the two broadcasters already account for more than 70% of British television advertising revenue, a figure that legal analysts describe as sufficient to trigger automatic CMA review.
This is not a done deal. Under the Enterprise Act 2002, the CMA can call the acquisition in for a full Phase 2 investigation up to four months after completion. If the regulator concludes that the merger creates a Substantial Lessening of Competition (SLC) in the UK advertising market, it can demand asset disposals, impose behavioural conditions, or block the transaction entirely.
The CMA and Competition Law: How the Review Works
The CMA's jurisdiction is triggered when a merger involves combined UK turnover exceeding £70 million or where the parties' combined share of supply in any market exceeds 25%. The Sky-ITV deal clears both thresholds comfortably.
Competition law specialists note that the key battleground will be market definition. The critical question: does digital advertising on Google, Meta, and platforms like Netflix genuinely constrain what a combined Sky-ITV could charge for broadcast TV advertising inventory? If the CMA concludes — as it has historically — that television advertising is a distinct market separate from digital performance advertising, then controlling 70% of it will look very much like market dominance in the legal sense.
Beyond pure competition grounds, the Secretary of State retains powers under the Enterprise Act to intervene on public interest grounds, including media plurality. With Comcast — Sky's American parent — now acquiring ITV, questions about foreign ownership over a significant portion of UK public service broadcasting are likely to feature prominently in any Parliamentary and regulatory scrutiny.
What Advertisers Need to Understand Now
For businesses that advertise on television — from regional retailers running ITV campaigns to national brands booking Sky Sports sponsorships — a 70% consolidated market means reduced negotiating leverage. When a single commercial group controls the majority of the UK's TV inventory, pricing power shifts decisively towards the seller.
ITV's own advertising revenues were already under pressure before this deal: the broadcaster forecast a 9% fall in its first half of 2026, even as ITVX posted streaming growth. For small and medium-sized enterprises, this context matters. Advertising costs may not rise immediately — but structural consolidation historically reduces competitive pressure on pricing over the medium term. The risk of dynamic pricing practices increasing what businesses pay for ad inventory is a legitimate concern when a single dominant seller controls most of the available supply.
Under the Competition Act 1998, businesses harmed by anti-competitive pricing practices in a concentrated market can bring private claims before the Competition Appeal Tribunal. While this path is rarely pursued by individual advertisers, understanding the legal framework before the market consolidates is sound commercial planning. A competition solicitor can advise on whether your business's advertising agreements contain protections that would apply post-merger.
Media Plurality and the Public Interest
The Sky-ITV merger is unusual in that it is not purely an economic competition matter. ITV holds Crown licences for Channel 3 — the backbone of the UK's public service broadcasting framework. ITV News, Good Morning Britain, and regional news services are financed through ITV's advertising revenues and tied to those licences.
Organisations with a financial stake in the outcome — regional news publishers, media buyers, local advertisers — have standing to submit evidence during the CMA's formal consultation phases. Legal advisers specialising in competition and media law can help businesses draft evidence for Phase 1 or Phase 2 CMA submissions, an avenue that is rarely used by SMEs but is entirely open to them. For ITV employees navigating this transition, employment law protections are also significant — including TUPE rights and collective consultation rules, which are examined in detail in our article on what ITV workers need to know about the Sky takeover.
Timeline and Practical Steps
The regulatory timeline matters for advertising budget planning. The CMA is likely to receive formal notification later in 2026 and could issue a Phase 1 decision within months. A Phase 2 investigation — if launched — typically takes up to 24 weeks. Businesses should plan advertising strategies and contract renewals with the possibility of either CMA-conditioned clearance or substantial deal delays in mind.
The contingent payment structure in the deal itself signals regulatory awareness: Sky's advisers have structured £200 million of the consideration to be payable only if ITV hits £1.7 billion in ad revenue. If CMA remedies force asset disposals or restrict Sky-ITV's ability to bundle inventory, that threshold may not be reachable.
Practical steps for UK advertisers and businesses:
- Review your existing advertising contracts with ITV and Sky. Understand rate protection clauses, inventory access provisions, and what happens to agreed terms on change of control.
- If your business has a material interest in the CMA outcome — as an advertiser, media buyer, or competitor — consult a competition solicitor before the formal Phase 1 window closes.
- Monitor the CMA's public merger register for the official notification date. This is when the review clock starts.
- If your revenues are indirectly exposed to TV advertising price movements, model the pricing risk under a consolidated market structure now, before the deal closes.
The Competition and Markets Authority publishes all active merger investigations publicly, and third-party submissions are accepted throughout both Phase 1 and Phase 2 reviews. If your business is affected, acting early in the process gives you the best opportunity to influence the outcome.
This article is for informational purposes only and does not constitute legal advice. For guidance specific to your situation, consult a qualified competition law solicitor.

Harriet Price