SFR
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Last updated October 14, 2026
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Overview
SFR, short for Société française du radiotéléphone, is one of France's principal telecommunications operators and one of the country's oldest mobile-network brands. It was established in 1987 by Compagnie Générale des Eaux to enter the French mobile-telephone market and compete with the incumbent France Télécom, whose mobile service was then known as Radiocom 2000. SFR initially operated a first-generation mobile network and became France's second GSM operator when it introduced commercial 2G service in November 1992. The company expanded beyond mobile communications during the 1990s. Through the SFR-Cegetel structure, it entered fixed-line telecommunications, internet access and enterprise communications, helping create an integrated alternative to France Télécom. Vodafone acquired a substantial minority stake during SFR's development and held approximately 44% until selling its interest to Vivendi in April 2011. Although the equity relationship ended, SFR continued to cooperate with Vodafone as a local network partner in France. SFR's corporate structure changed substantially after Vivendi decided to sell the business in 2014. Altice, led by Patrick Drahi, acquired SFR through Numericable. The resulting Numericable-SFR group retained the better-known SFR name because SFR had a far larger customer base and stronger consumer recognition. The combined group subsequently consolidated cable, fiber, mobile, fixed-line, television and enterprise operations under the SFR brand. Numericable's consumer identity was progressively eliminated, including in Belgium and Luxembourg, while overseas activities were developed under SFR Caraïbe and SFR Réunion branding. During 2016–2018, the group pursued a telecom-media convergence strategy. SFR acquired stakes in NextRadioTV, which operated BFM and RMC channels, and acquired French media assets including Libération and L'Express. The company also built television and sports-content propositions around SFR TV, SFR Play, SFR Sport and later RMC Sport. This strategy gave SFR a broader consumer proposition but increased organizational complexity and financial pressure. In February 2018, Numericable-SFR Group was renamed Altice France as part of a wider reorganization of the Altice group, while SFR remained the principal consumer telecommunications brand. SFR's commercial portfolio now centers on mobile plans, 4G and 5G connectivity, fiber and cable broadband, fixed telephone service, television, streaming-related content, connected-home services and business telecommunications. Its retail offer is complemented by RED by SFR, an online-focused value brand launched in 2011. SFR Business serves companies and public-sector customers with connectivity, cloud, cybersecurity, voice, data-center and other information-technology services. SFR TV remains the principal television platform associated with the consumer broadband proposition. The company has faced prolonged customer-retention, pricing and debt challenges. Altice France implemented a major financial restructuring in 2025, reducing debt and extending maturities, while refocusing the group on telecommunications after divesting several media assets. SFR also experienced a customer-data security incident in September 2024 involving information such as contact details, order data, IBANs and SIM or device identifiers. In 2026, Altice France signed a memorandum of understanding to sell SFR to a consortium comprising Bouygues Telecom, Free-iliad Group and Orange for a total enterprise value of approximately €20.35 billion. The proposed transaction would divide SFR's activities among the three buyers, but completion remained dependent on definitive documentation and competition approvals. Accordingly, SFR remained an active Altice France-controlled brand as of August 26, 2026.
History
SFR was created in 1987 by Compagnie Générale des Eaux as a vehicle for entering France's emerging mobile-telephone market. Its original service used a first-generation Nordic Mobile Telephone variant and was designed to compete with France Télécom's Radiocom 2000 network. The launch gave France a second mobile operator and established the company's long-term identity as an alternative to the incumbent telecommunications provider. The next major technical milestone came in November 1992, when SFR became the second French operator to launch GSM service. GSM brought digital voice, text messaging and improved roaming capabilities, allowing SFR to build a nationwide consumer base and compete on network coverage, service quality and handset distribution. During the 1990s, SFR broadened its scope beyond mobile. Compagnie Générale des Eaux placed SFR and related telecommunications assets into the SFR-Cegetel structure, which developed fixed-line services, internet access and enterprise communications. This expansion anticipated the converged operator model in which a single provider supplies mobile, fixed, internet and media services. Vodafone became an important strategic and financial partner during SFR's growth, holding approximately 44% of the company. Vodafone sold that stake to Vivendi in April 2011, but the two companies continued to cooperate through a local network-partnership arrangement. In the same broad period, SFR sought to defend itself against both traditional operators and new low-cost entrants. RED by SFR was introduced in October 2011 as an online-focused and lower-price brand, helping SFR address customers who preferred simplified digital purchasing and flexible pricing. Vivendi announced in 2014 that it intended to divest SFR. After negotiations with several potential buyers, it selected Altice and Numericable. The transaction combined Numericable's cable infrastructure and broadband assets with SFR's much larger mobile and consumer brand. Although the combined company was initially known as Numericable-SFR, Patrick Drahi and his management team retained SFR as the principal consumer identity because of its customer recognition and scale. The group progressively rebranded Numericable's consumer operations as SFR, including the development of SFR-branded services in overseas territories and the rebranding of Numericable Outremer as SFR Caraïbe. Between 2015 and 2018, SFR developed a more ambitious content strategy. It launched the Zive video-on-demand service, later integrated into SFR Play, and acquired or secured rights for sports, film and television. SFR Sport was assembled around acquired sports rights and existing channels before becoming RMC Sport in 2018. The company also acquired 49% of NextRadioTV and French press assets from Altice, including Libération and L'Express. These transactions placed SFR at the center of Altice's telecom-media convergence model, in which network subscriptions were combined with exclusive television, news and sports content. The strategy was accompanied by repeated organizational changes. In 2016, Numericable-SFR was renamed SFR Group and divided into media, advertising and telecommunications branches. In February 2018, SFR Group became Altice France following the separation of Altice's French operations from its broader international structure. SFR remained the central operating and consumer brand even as the corporate parent changed. The late 2010s and early 2020s brought a stronger focus on infrastructure monetization, fiber deployment and debt management. SFR FTTH sold a minority stake to institutional investors in 2018, acquired Covage in 2020 and changed its name to XP Fibre in 2021. Altice France also sold its majority interest in the tower company Hivory to Cellnex in 2021. These transactions were intended to release capital, reduce leverage and accelerate network investment, but they also reflected the financial pressure created by an acquisition-led business model and rising financing costs. Operationally, SFR faced subscriber losses, intense price competition and pressure to improve customer experience. In 2020, RMC Sport News ceased broadcasting, while the media business underwent savings measures. In 2021, Altice France announced a workforce reduction affecting approximately 1,700 positions. The group later refocused on telecommunications and divested important media assets. Its 2024 corporate reporting presented SFR imagine as an internal transformation program aimed at improving value for money, customer experience and the brand's competitive position. SFR's recent history has also been marked by financial restructuring and data-security concerns. In 2024, a security incident exposed certain customer and order-related information, including IBAN data and SIM or device identifiers. In 2025, Altice France completed a court-approved restructuring that reduced debt and extended maturities. In 2026, Altice France agreed in principle to sell SFR to Bouygues Telecom, Free-iliad Group and Orange for approximately €20.35 billion. The proposed structure would distribute different SFR customer bases, network assets and business activities among the three acquiring groups. Because the memorandum of understanding still required definitive legal agreements and competition approvals, the transaction had not completed by August 26, 2026. SFR therefore continued to operate as an active brand within Altice France while preparing for a possible breakup and transfer of its activities.
- 2026
SFR sale memorandum of understanding is signed
[6]Altice France signs an agreement with Bouygues Telecom, Free-iliad Group and Orange for a proposed acquisition valued at approximately €20.35 billion, subject to approvals.
- 2025
Altice France completes financial restructuring
[5]The court-approved restructuring reduces debt and extends maturities for the group controlling SFR.
- 2024
Customer-data security incident
[9]A September 3 incident affects a customer order-management environment and includes exposure of sensitive customer and device-related data.
- 2022
SYMA joins the Altice France MVNO portfolio
[1]Altice France announces the purchase of SYMA and creates a broader internal MVNO division.
- 2021
Hivory stake is sold to Cellnex
[1]Altice France sells its majority stake in the telecom-tower operator Hivory to Cellnex.
- 2021
Prixtel and Coriolis acquisitions expand the MVNO portfolio
[1]Altice France acquires Prixtel and announces the acquisition of Coriolis Télécom, expanding its presence in the French mobile virtual-network-operator segment.
- 2020
SFR FTTH acquires Covage
[1]The transaction strengthens SFR's position in French fiber infrastructure after regulatory approval.
- 2018
SFR Group is renamed Altice France
[1]The French holding structure is renamed Altice France as Altice reorganizes its international group.
- 2018
SFR Sport becomes RMC Sport
[1]The group's sports television proposition is renamed RMC Sport.
- 2018
Minority stake in SFR FTTH is sold
[1]Altice France agrees to sell 49.99% of SFR FTTH to a consortium of infrastructure investors.
Products and positioning
A full-service French telecommunications operator combining mobile, fixed broadband, television and enterprise connectivity. SFR has historically positioned itself as a large-scale network operator with broad bundled services, while RED by SFR provides a simpler and lower-cost digital proposition.
Mobile telecommunications · 1987
SFR Mobile
SFR Mobile is the core consumer wireless proposition, covering voice, messaging and mobile data services across successive generations of network technology. The portfolio has evolved from SFR's first-generation and GSM origins to 3G, 4G and 5G offerings. Plans may be bundled with handsets, broadband, television and other services, and the brand serves both mainstream and higher-value customers in metropolitan France and selected French overseas territories.
Fixed broadband
La Box SFR
La Box SFR is the consumer fixed-line platform associated with SFR broadband subscriptions. Depending on location and network availability, the service has been delivered over DSL, cable or fiber infrastructure and typically combines internet access, fixed telephony and access to SFR's television ecosystem. It is a central component of SFR's converged household strategy, linking fixed connectivity with mobile and entertainment services.
Television and entertainment
SFR TV
SFR TV is the television service delivered through SFR broadband products and associated applications. The offer has included a large base of free-to-air and subscription channels, with optional thematic packages for sports, children, music and international programming. Earlier versions were delivered through DSL, fiber and cable networks, while a satellite variant known as SFR Sat operated until 2015. SFR TV also absorbed content and channel integrations from the former Numericable platform.
Video-on-demand and entertainment · 2016
SFR Play
SFR Play developed from the Zive subscription video-on-demand service launched by Numericable-SFR in 2015. It was positioned as an entertainment bundle for eligible broadband customers and combined on-demand programming with broader SFR television packages. The service formed part of Altice's strategy of using exclusive or bundled content to increase the value of fixed and mobile subscriptions.
Sports television · 2018
RMC Sport
RMC Sport is the sports-content package that replaced the SFR Sport identity in 2018. The service grew out of Altice's acquisition of sports rights and the rebranding of existing sports channels. It has offered live and recorded coverage of selected football and other competitions and has been distributed to SFR customers as well as certain external television and over-the-top subscribers.
Value mobile and broadband brand · 2011
RED by SFR
RED by SFR is SFR's digitally oriented value brand. Launched in 2011, it was designed around online sales, simplified plans and lower prices than the main SFR proposition. RED has offered both mobile and fixed broadband services and has allowed the group to address price-sensitive customers without using the full SFR retail format. Its positioning has been particularly relevant during periods of aggressive price competition in the French telecom market.
Business telecommunications and IT services
SFR Business
SFR Business serves corporate, professional and public-sector customers with fixed and mobile connectivity, voice, data transport, cloud, cybersecurity, managed services and related information-technology infrastructure. The division has also included data-center activities, some of which were reorganized under UltraEdge and partially sold to Morgan Stanley Infrastructure Partners in 2023. SFR Business is strategically distinct from the consumer brand but uses SFR's network and enterprise-services capabilities.
Overseas telecommunications · 2015
SFR Caraïbe
SFR Caraïbe is the SFR-branded operating business serving French Caribbean markets including Martinique, Guadeloupe and French Guiana. It emerged from the rebranding of Numericable Outremer and extends SFR's mobile, broadband and television proposition beyond metropolitan France.
Overseas telecommunications
SFR Réunion
SFR Réunion is the commercial identity used for SFR operations in Réunion and related Indian Ocean markets. It is associated with the Société Réunionnaise du Radiotéléphone and provides mobile, fixed broadband and related telecommunications services.
Controversies
2026
SFR data breach controversy
SFR confirmed a data breach exposing personal information of some fibre customers, detected by its security teams on July 2, involving an internal tool used to manage and analyse fibre connections. SFR said it disabled the account used to access the tool, blocked and monitored the IP addresses involved, notified the CNIL and filed a complaint with the public prosecutor. Cyberattaque.org reported that a database containing around 2.1 million records was accessed, a figure SFR has not confirmed.
2024
SFR customer-data breach
On September 3, 2024, SFR experienced unauthorized access to a customer order-management environment. Reported categories of exposed information included names, contact details, order information, IBANs and SIM or device identifiers. The incident was reported to France's data-protection authority and referred to prosecutors.
Marketing campaigns
- 2024SFR imagine
France
SFR imagine was introduced as an internal transformation and mobilization program focused on customer experience, value for money and restoring SFR's competitive standing.
Outcome. The program became part of Altice France's telecommunications refocusing strategy.
- 2022Soyez vous
France
The Soyez vous slogan positioned SFR around personal choice and individual expression while continuing to promote mobile, broadband and entertainment services.
Outcome. The platform was used as a principal SFR brand message through 2025.
- 2018SFR enjoy
France
The SFR enjoy platform emphasized entertainment, connectivity and the everyday benefits of bundled telecommunications and content services.
Outcome. It became one of the brand's principal consumer communication platforms during the Altice France period.
- 2016#NewSFR
France
The #NewSFR identity accompanied the transition from Numericable-SFR to SFR Group and presented the company as a broader telecom, media and entertainment organization.
Outcome. The campaign supported the corporate reorganization and the consolidation of Numericable assets under the SFR name.
- 2011RED by SFR launch
France
SFR launched RED as an online-first value proposition offering simpler and lower-cost mobile services in anticipation of intensified competition from Free Mobile.
Outcome. RED became a continuing flanker brand serving price-sensitive and digitally oriented customers.
Brand decisions
2026
Altice France agrees in principle to sell SFR to a three-operator consortiumM&ABackground
Altice France sought a strategic solution for SFR after years of leverage, customer losses and asset disposals. No single French competitor could readily acquire all SFR assets without raising major competition concerns.
Action taken
Bouygues Telecom, Free-iliad Group and Orange signed a memorandum of understanding with Altice France for a proposed acquisition valued at approximately €20.35 billion. The agreement provides for the division of SFR's consumer, RED, business, MVNO, mobile-network and fiber activities among the buyers.
Aftermath
As of August 26, 2026, the transaction had not completed. Definitive documentation and competition approvals remained outstanding, and SFR continued to operate as an active Altice France-controlled brand.
Total proposed transaction value. Approximately €20.35 billion (June 6, 2026 memorandum of understanding)
- Bouygues Telecom — Bouygues Telecom joined the consortium and was expected to receive SFR Business, part of the consumer base, Prixtel and selected network assets.
- Free-iliad Group — Free-iliad Group joined the consortium and was expected to receive the RED customer base and part of SFR's consumer and small-business activities.
- Orange — Orange joined the consortium and was expected to receive part of SFR's consumer activities and selected MVNO and regional businesses.
2025
Altice France completes debt restructuringStrategyBackground
Higher interest rates, customer attrition and large refinancing requirements placed pressure on the debt-funded Altice structure.
Action taken
Altice France implemented court-approved safeguard plans that reduced debt and extended applicable maturities.
Aftermath
The restructuring stabilized the group financially but left Altice France under creditor influence and intensified the search for asset sales or strategic transactions.
Consolidated net debt. Approximately €24 billion → Approximately €15.5 billion (2025 restructuring)
2021
Altice France sells Hivory to CellnexM&ABackground
Altice France sought to release capital from passive infrastructure while reducing leverage and concentrating on telecommunications services.
Action taken
Altice France announced the sale of its majority stake in Hivory, which managed approximately 10,500 telecom towers, to Cellnex.
Aftermath
Cellnex expanded its French tower portfolio, while Altice France obtained a major source of liquidity and reduced its direct ownership of passive mobile infrastructure.
Enterprise value. Approximately €5.2 billion (February 2021 announcement)
2018
Altice France monetizes part of its fiber infrastructureStrategyBackground
Altice Europe was pursuing debt reduction while still needing capital to expand fiber coverage outside France's densest urban areas.
Action taken
Altice France agreed to sell 49.99% of SFR FTTH to Allianz Capital Partners, AXA Investment Managers Real Assets and OMERS Infrastructure.
Aftermath
The transaction created a separate infrastructure-investment structure while SFR retained important cable and high-density fiber assets.
Implied valuation of SFR FTTH. Approximately €3.6 billion (November 30, 2018 agreement)
2016
SFR commits to telecom-media convergenceStrategyBackground
Altice sought to differentiate SFR through exclusive media, news, sports and entertainment content bundled with telecommunications subscriptions.
Action taken
SFR acquired a stake in NextRadioTV and French media assets including Libération and L'Express, while expanding SFR TV, SFR Play and SFR Sport.
Aftermath
The strategy increased SFR's presence in French media but also added complexity and financial pressure before later media divestments and a renewed focus on telecommunications.
Reported consideration for the acquisition of Altice Media Group France. Approximately €600 million (2016 transaction announcement)
- Orange — Orange remained SFR's principal integrated telecommunications competitor while the French market debated the strategic and regulatory implications of telecom-media consolidation.
2014
Vivendi chooses Altice and Numericable to acquire SFRM&ABackground
Vivendi sought to sell its telecommunications division and evaluated competing proposals from major French telecom groups.
Action taken
Vivendi entered exclusive negotiations with Altice and Numericable, leading to the creation of Numericable-SFR.
Aftermath
SFR remained the dominant consumer identity of the combined company, while Numericable's cable and broadband assets were integrated into the wider group.
- Bouygues Telecom — Bouygues Telecom was among the alternative parties considered during the sale process but did not acquire SFR.
- Iliad — Iliad was excluded from the final exclusive negotiations and publicly became associated with opposition to the proposed market structure.
Recent events
SFR confirms data breach affecting fibre customer records[10]
Reported:
SFR confirmed a data breach exposing personal information of some fibre customers, detected by its security teams on July 2, involving an internal tool used to manage and analyse fibre connections. SFR said it disabled the account used to access the tool, blocked and monitored the IP addresses involved, notified the CNIL and filed a complaint with the public prosecutor. Cyberattaque.org reported that a database containing around 2.1 million records was accessed, a figure SFR has not confirmed.
Boku and French carriers announce mobile identity partnership[11]
Reported:
Boku and French mobile service providers SFR, Orange and Bouygues Telecom announced a partnership to launch mobile identity products in France.
SFR launches 5G service in Nice[12]
Reported:
SFR's 5G service arrived in Nice on November 20, coinciding with the introduction of a new range of mobile voice and data plans.
11 operators join OPPO 5G initiative[13]
Reported:
OPPO announced that 11 operator partners had joined its OPPO 5G initiative to cooperate on 5G technology, products and markets.
SFR introduces Motorola Solutions broadband push-to-talk service[14]
Reported:
SFR chose Motorola Solutions to provide a broadband mission-critical push-to-talk solution, which SFR will deliver through its nationwide network. SNCF is the first customer in France to implement the service.
Sources15 sources
- 1SFRen.wikipedia.org
- 2SFR mobile network historyhistelfrance.fr
- 3Altice France 2024 non-financial performance statementstatic.s-sfr.fr
- 4Altice France announces agreement with creditorsalticefrance.com
- 5Altice France announces successful implementation of financial restructuringstatic.s-sfr.fr
- 6Orange: signing of a memorandum of understanding for the acquisition of SFRnewsroom.orange.com
- 7ARCEP: competition and proposed acquisition of SFRen.arcep.fr
- 8Bouygues Telecom: proposed allocation of SFR activitiesbouygues.com
- 9SFR customer-data security incident recordcsidb.net
- 10SFR data breach controversyconnexionfrance.com
- 11Boku 与法国电信业者宣布合作推出行动身分识别服务finanznachrichten.de
- 12SFR在尼斯推出5G服务telecompaper.com
- 1311 家运营商加入 OPPO 5G 登陆行动tech.sina.com.cn
- 14SFR推出摩托罗拉解决方案宽带一键通服务finanznachrichten.de
- 15深耕高端市场，亮出5G王牌：OPPO发布旗舰Find X2系列tech.sina.com.cn
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