rewrite this title Gamma Communications: The £1 Billion Battle for Britain’s UCaaS Backbone – UC Today

By the time most people in the UK channel heard the name Gamma Communications, they were already depending on it. The Newbury-based company sits behind platforms used by O2 Daisy, powers the voice infrastructure of over 1,500 resellers and MSPs, and operates across four European markets.

Now, three private equity parties want to own it. In April and May 2026, Gamma confirmed preliminary takeover discussions with US firm Providence Equity Partners, UK buyout house Epiris, and a consortium of Oakley Capital and cloud marketplace provider Giacom. Shares rose 8.8% on May 15, valuing the business at just under £922 million. Sky News has reported the Oakley-Giacom bid could reach £1 billion and may involve breaking the company up.

Under the UK’s City Code on Takeovers and Mergers, Providence must declare a firm offer or walk away by 5pm on June 10, 2026. Epiris and the Oakley-Giacom consortium face the same requirement on June 12.

How Gamma Got Here

Gamma was founded in 2001 by Phil Corbishley and Paul Banner, following the acquisition of Atlantic Telecom’s network assets. The company built a national network of 2,500km of fibre with switching centres in London, Manchester and Glasgow. From those foundations, Gamma built a carrier-grade wholesale business and established itself as a leading SIP trunk provider through the broadband adoption wave of the mid-2000s.

That infrastructure play paid off. The company floated on AIM in 2014, raising capital that enabled a shift from connectivity toward software-led services. By that point, the launch of Horizon had already given Gamma a hosted PBX to distribute through the channel. The listing gave it the means to scale that model through acquisitions.

European expansion followed. In 2018, Gamma acquired Dean One in the Netherlands. In 2020, it acquired VozTelecom in Spain and HFO Telecom in Germany. Then, in 2021, an acquisition of Mission Labs added contact centre software capability. By the mid-2020s, Gamma was operating across the UK, Germany, Spain and Benelux. It had also joined Microsoft’s Operator Connect programme, one of a small number of UK providers to do so.

2025: A Year of Strategic Repositioning

Three moves in the 12 months before the bid approach reshaped Gamma’s footprint. Together, they reveal much of the strategic logic behind the current interest.

First, STARFACE. In February 2025, Gamma completed the acquisition of STARFACE Group GmbH, bringing its total cloud seats in Germany to over 500,000. The deal was valued at around $200 million. It strengthened Gamma’s position in the DACH region and set it directly against established German telecoms incumbents.

Second, the Main Market move. Gamma transferred its listing from AIM to the Main Market of the London Stock Exchange in May 2025, broadening its institutional investor base.

Third, the O2 Daisy agreement. In September 2025, Gamma and O2 Daisy announced a multi-year commitment covering two main elements: a six-year deal for Gamma to supply additional UCaaS capacity across multiple platforms, and a seven-year wholesale revenue agreement to transfer SME customers from Gamma’s direct base to O2 Daisy. Alongside that, Gamma took on responsibility for Cisco BroadWorks enablement, underpinning O2 Daisy’s UCaaS platform.

In stepping back from direct SME sales and taking on a deeper infrastructure role behind O2 Daisy’s go-to-market, Gamma effectively repositioned itself as a pure B2B wholesale and enterprise business. CEO Andrew Belshaw was candid about the rationale at the time. “Running your own communications platform is increasingly complex,” he said.

“From rising compliance pressures to the cost and pace of innovation, it simply doesn’t make commercial sense for many providers. That’s where Gamma comes in.”

The result is a cleaner, more predictable revenue profile: exactly the kind of asset a private equity buyer wants to underwrite.

The Bidders: What Each Party Wants

Providence Equity Partners is the most conventional fit. The US firm focuses on media, communications and education businesses in North America and Europe. Its portfolio includes Node4, the UK-based managed service provider, and its interest in Gamma points to a straightforward bet on recurring revenue and European cloud communications market position.

Epiris is a UK-focused mid-market buyout firm with a track record in B2B services and technology. Its interest follows a familiar pattern for the sector: acquire a cash-generative market leader, optimise operations, and exit.

The Oakley Capital and Giacom consortium is the most structurally complex bid. Oakley is partnering with Giacom, a cloud and communications marketplace backed by private equity firm Inflexion. Giacom was founded by Matthew Riley and demerged from Daisy Group in 2019 as Digital Wholesale Solutions, before rebranding in 2023. Notably, Oakley Capital’s prior investments include Daisy, the B2B communications provider.

The strategic logic here is direct. Giacom already operates as a cloud marketplace for channel partners and has history in the UK UC reseller market that predates its current branding. Acquiring Gamma, or parts of it, would give Giacom access to Gamma’s partner network and wholesale infrastructure. If Sky News’s reporting is accurate, a break-up could mean separating the UK channel business from the European operations or the enterprise division.

What the Financials Say

Gamma reported 2025 revenue of £645.8 million. Adjusted EBITDA came in at £141.7 million, and full-year 2026 guidance points to £138.1 million to £142.8 million. Net debt narrowed to £1.6 million at April 30, down from £9.3 million at December 31, despite share buyback and acquisition-related payments.

The balance sheet is nearly debt-free, margins are healthy, and the company describes trading in early 2026 as in line with expectations. In short, these are not the numbers of a distressed sale.

What It Means for the Channel

Gamma’s channel model has always been central to how it operates. Over 1,500 partners in the UK resell its products, depend on its network, and many have built their businesses around Horizon. The Gamma Edge framework, launched in 2025, deepened that dependency further. It brought data-sharing, commercial incentives, and a migration toolkit for moving customers off legacy estates under one programme. As recently as August 2025, Gamma was publicly reassuring partners that Horizon and its BroadWorks-based roadmap retained long-term continuity.

A change of ownership does not automatically disrupt any of that. Channel partners will, however, have legitimate questions, particularly around the break-up scenario. If Oakley and Giacom prevail, the relationship between Giacom as marketplace and Gamma as infrastructure could create either an opportunity or a conflict of interest, depending on how the combined business takes shape. That tension is one the broader UK channel is already working through as consolidation accelerates across the UCaaS stack.

Regulatory scrutiny is also likely. Analysts note that a CMA Phase 1 review is probable given Gamma’s position in business communications, and channel partners face contractual uncertainty whichever bidder prevails. The 26North acquisition of Intermedia earlier this year showed how PE-backed deals in cloud communications can reshape partner arrangements quickly once a transaction closes.

What happens in the next few weeks will determine whether Gamma stays intact, gets broken up, or passes to an owner whose interests align more or less closely with the channel partners that built their businesses on its back. For those partners, the outcome is not an abstract financial event. It is a question of who owns the infrastructure they depend on every day, and what they plan to do with it.

Timeline

2001: Gamma founded in Newbury, acquires Atlantic Telecom assets
2011: Horizon hosted PBX launched
2014: AIM IPO
2018: Acquires Dean One (Netherlands)
2020: Acquires VozTelecom (Spain), HFO Telecom (Germany), Exactive (Scotland)
2021: Acquires Mission Labs; joins Microsoft Operator Connect
February 2025: Completes STARFACE acquisition; surpasses 500,000 cloud seats in Germany
May 2025: Moves to Main Market of London Stock Exchange
September 2025: Signs O2 Daisy multi-year deal; transfers SME direct customer base
April 7, 2026: Confirms preliminary takeover discussions, formal offer period begins
May 13, 2026: Names Providence Equity Partners as one of the parties
May 15, 2026: Confirms Epiris and Oakley Capital-Giacom consortium; shares rise 8.8%
June 10-12, 2026: Bidder deadlines to confirm firm offers or withdraw