Comcast
Comcast Corporation is the Philadelphia telecom and media conglomerate founded in 1963 as a 1,200-subscriber cable system in Tupelo, Mississippi. Led by co-CEOs Brian L. Roberts and Mike Cavanagh, it is unwinding its empire: cable networks went to Versant in 2026, an NBCUniversal/Sky split planned.
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- Established
- 1963
- Location
- Philadelphia, Pennsylvania
- Country
- United States
- Founded
- 1963 in Tupelo, Mississippi, as American Cable Systems
- Founder
- Ralph J. Roberts
- Name origin
- Coined from "communications" and "broadcasting" at the 1969 incorporationstated by the subject
- Headquarters
- Philadelphia, Pennsylvania
- Leadership
- Brian L. Roberts (chairman and co-CEO); Mike Cavanagh (co-CEO, from January 2026)
- Full-year 2024 revenue
- $123.7 billion
- Scale
- 51.6 million Connectivity & Platforms customer relationships (Q4 2024)
- Listed
- Nasdaq: CMCSA
Comcast Corporation (Nasdaq: CMCSA) is the Philadelphia-based telecommunications and media conglomerate founded in 1963 as a 1,200-subscriber cable system in Tupelo, Mississippi (Ad Age). It grew through acquisitions — AT&T Broadband, NBCUniversal, Sky — into a $123.7-billion-revenue company, the nation’s largest cable and broadband provider (Comcast; Broadband Breakfast). It is led by co-CEOs Brian L. Roberts and Mike Cavanagh, with Roberts as chairman (Broadband Breakfast). It is now unwinding that empire: cable networks went to Versant in 2026, with NBCUniversal and Sky slated to separate by mid-2027 (Cord Cutters News).
From a Mississippi cable system to a media empire
In 1963, Ralph J. Roberts co-founded American Cable Systems in Tupelo, Mississippi, as a 1,200-subscriber service, later renaming it Comcast (Ad Age). Ralph Roberts was chairman for 18 years until 2002, when he became chairman emeritus and his son Brian took over as chairman and chief executive officer (Ad Age). The company expanded north to Pennsylvania in 1971 and held its initial public offering the following year, when paying for TV was still a novel concept (Ad Age). The name itself was coined at the 1969 incorporation: Ralph Roberts combined “communications” and “broadcasting” into “Comcast,” as Brian Roberts recounted in 2002 Senate testimony (Comcast).
Three acquisitions defined the company’s shape — each a turning point, each recorded with its price:
| Acquisition | Year | Price paid | What it brought Comcast |
|---|---|---|---|
| AT&T Broadband | 2002 | $58.7 billion | National cable scale; the merger announced in December 2001 created a ~22-million-subscriber company present in 17 of the 20 largest U.S. metros (Ad Age; Comcast) |
| NBCUniversal | 2011–2013 | ~$30.5 billion across two deals with General Electric (the final 49% cost $16.7 billion) | The NBC and Telemundo broadcast networks, Universal Pictures, Universal theme parks, and the cable portfolio (Ad Age; AP) |
| Sky | 2018 | £30.6 billion (~$40 billion), £17.28 per share | 23 million subscribers across the UK, Ireland, Germany, Austria and Italy, after outbidding 21st Century Fox (SportsBusiness Journal) |
Comcast completed the NBCUniversal takeover on February 12, 2013, buying General Electric’s remaining 49% for $16.7 billion several years ahead of schedule, on CEO Brian Roberts’s judgment that the stake would only get more expensive — a bet that paid off, since the deal valued NBCUniversal at $34 billion, about 13% more than two years earlier (AP). The one big prize that got away: in February 2014 Comcast agreed to buy Time Warner Cable for $45.2 billion, combining the two largest U.S. cable companies, but dropped the bid that April, and Charter Communications acquired Time Warner Cable instead (Ad Age).
What Comcast is today — and what it is becoming
Comcast’s 2024 results tell the scale of the machine it built. Full-year revenue was $123,731 million, up 1.8%, with net income attributable to Comcast of $16,192 million and adjusted EBITDA of $38,069 million (Comcast). It reports in two segments — Connectivity & Platforms (Xfinity broadband, wireless and video; Comcast Business; international connectivity) and Content & Experiences (Media including Peacock, Studios, and Theme Parks) — and the fourth-quarter 2024 split shows where the profit lives:
| Segment (Q4 2024) | Revenue | Adjusted EBITDA |
|---|---|---|
| Connectivity & Platforms | $20,464M | $7,842M |
| Content & Experiences | $12,078M | $1,491M |
| — of which Media | $7,222M | $298M |
| — of which Studios | $3,269M | $569M |
| — of which Theme Parks | $2,374M | $838M |
(Comcast)
The customer footprint: 51.6 million total Connectivity & Platforms customer relationships, including 31.8 million domestic broadband customers, 12.5 million domestic video customers and 7.8 million domestic wireless lines (Comcast). Peacock grew revenue 46% to $4.9 billion, the studios ranked second worldwide at the box office, and the new Universal Epic Universe park was scheduled to open on May 22, 2025 (Comcast). In September 2025 the company announced that Mike Cavanagh — president since 2022, who joined from JPMorgan Chase in 2015 — would become co-CEO alongside Brian Roberts in January 2026, the first time a non-family member has held the top job (Broadband Breakfast); Roberts, who has led Comcast since 2002, remains chairman and co-CEO (Broadband Breakfast).
That handover coincides with the dismantling of the empire the company spent six decades assembling. In November 2024 Comcast announced it would spin off its NBCUniversal cable networks — USA Network, CNBC, MSNBC, Oxygen, E!, SYFY and Golf Channel, plus Fandango, Rotten Tomatoes, GolfNow and SportsEngine — into a tax-free, publicly traded “SpinCo” of roughly $7 billion in annual revenue reaching about 70 million U.S. households (Comcast). The separation completed in January 2026 as Versant Media Group, per the specialist outlet Cord Cutters News (Cord Cutters News). Then, in late June 2026, Comcast announced the larger break: NBCUniversal and Sky would be separated into their own standalone public media company around mid-2027, with Comcast retaining up to 19.9% for up to a year — Cavanagh slated to lead the new NBCUniversal, former CFO Michael Angelakis the remaining connectivity company, Roberts staying involved in both (Cord Cutters News). The vertical bet that began in 2011 — own the pipes and the programming — is being unwound.
Two episodes the record keeps: the courtroom and the scorecard
In April 2010, Comcast won the landmark regulatory case that carries its name. The U.S. Court of Appeals for the D.C. Circuit ruled that the Federal Communications Commission lacked the authority to order Comcast to stop throttling peer-to-peer traffic, overturning the FCC’s August 2008 order against the company (PCWorld). The case began with reports in late 2007 that Comcast was slowing BitTorrent traffic — which the company first denied, then defended as congestion management — and ended with Judge David Tatel writing that the FCC lacked “any statutorily mandated responsibility” to enforce network-neutrality rules (PCWorld).
Twelve years later, Comcast appeared in a very different ranking. Accountable.US’s September 2022 American Democracy Scorecard graded the top 100 Fortune 500 companies on 14 criteria — pro-democracy statements, political-spending disclosure transparency, and PAC donations to lawmakers who opposed voting-rights legislation, backed objections to certifying the 2020 election, or opposed the January 6 commission (Fast Company). Two-thirds of the companies received failing marks; AT&T was the lowest scorer, followed by Verizon, and Charter Communications and Comcast were also among the 10 lowest scorers — making telecommunications the scorecard’s lowest-ranked industry (Fast Company). None of the telecommunications companies responded to Capital & Main’s request for comment before publication (Fast Company).
FAQ
What does Comcast own? Comcast owns Xfinity, Comcast Business and Sky on the connectivity side, and NBC, Telemundo, Universal Pictures, Peacock, Bravo and the Universal theme parks on the content side. In January 2026 it spun its cable networks — including CNBC, USA and E! — into Versant Media Group, and it plans to separate NBCUniversal and Sky by mid-2027.
Who is in charge of Comcast? Brian L. Roberts, son of founder Ralph J. Roberts, has led Comcast since 2002; in January 2026 he began sharing the chief executive role with Mike Cavanagh, president since 2022 and a former JPMorgan Chase executive. Cavanagh is the first non-family member to hold Comcast’s top job, and Roberts remains chairman and co-CEO.
Is CNBC still owned by Comcast? No. In November 2024 Comcast announced it would spin off its NBCUniversal cable networks — including CNBC, MSNBC, USA, Oxygen, E!, SYFY and Golf Channel — into a new public company; separation completed in January 2026 as Versant Media Group, where CNBC now sits. The earlier Comcast → NBCUniversal → CNBC chain is confirmed in Comcast’s November 2024 announcement.
When was Comcast founded and where is it headquartered? Comcast traces its origin to 1963, when Ralph J. Roberts co-founded American Cable Systems — a 1,200-subscriber cable service in Tupelo, Mississippi. It was incorporated as Comcast Corporation in 1969, with Roberts coining the name from “communications” and “broadcasting.” The company is headquartered in Philadelphia, Pennsylvania.
Why did Accountable.US give Comcast a failing grade? Accountable.US’s September 2022 American Democracy Scorecard graded the top 100 Fortune 500 companies on 14 criteria covering pro-democracy statements and political spending. Comcast landed among the 10 lowest scorers, alongside AT&T, Verizon and Charter Communications, making telecom the worst-ranked industry; two-thirds of the companies graded received failing marks.
What this profile does not claim
- It does not treat the Versant spin-off completion (January 2026) or the planned NBCUniversal/Sky separation (targeting mid-2027) as settled history: both rest on a single specialist outlet (tier3), and the split is conditional on board, tax, regulatory and financing approvals.
- It does not claim current subscriber figures for Sky, Peacock or Xfinity beyond the dated figures given; subscriber counts have moved since.
- It does not give a current market capitalization or share price; figures are anchored to the dated financial reports cited.
- It does not assert why Accountable.US scored Comcast as it did beyond the published criteria and PAC-donation analysis; the scorecard’s judgments are the organization’s, stated as such.
- The 1963-vs-1969 founding distinction is stated, not smoothed over: 1963 is the American Cable Systems origin; 1969 is the incorporation as Comcast Corporation.
Timeline
- 1963
- Ralph J. Roberts co-founds American Cable Systems in Tupelo, Mississippi — a 1,200-subscriber cable service that would become Comcast.
- 1969
- The company is incorporated as Comcast Corporation; Brian Roberts later recounted that his father coined the name from "communications" and "broadcasting."
- 2002
- Brian L. Roberts becomes chairman and CEO; Comcast completes the $58.7 billion purchase of AT&T Broadband, creating national cable scale.
- 2010
- The D.C. Circuit overturns the FCC's 2008 order forcing Comcast to stop throttling BitTorrent traffic, ruling the agency lacked authority to enforce net-neutrality principles.
- 2013
- Comcast buys General Electric's remaining 49% of NBCUniversal for $16.7 billion, completing a takeover that began with majority control in 2011.
- 2018
- Comcast outbids 21st Century Fox in a three-round auction for Sky at £17.28 per share, valuing the European broadcaster at £30.6 billion (about $40 billion).
- 2022
- Comcast is named among the 10 lowest scorers of the top 100 Fortune 500 companies on Accountable.US's American Democracy Scorecard.
- 2024
- Comcast reports record full-year revenue of $123.7 billion and announces its intent to spin off NBCUniversal's cable networks — including CNBC — as a tax-free "SpinCo."
- 2026
- Mike Cavanagh becomes co-CEO in January; the Versant spin-off completes the same month; in June the company announces plans to separate NBCUniversal and Sky into a standalone media company, targeting mid-2027.
What we could not verify
These claims came up in research and could not be confirmed. They are recorded here rather than published as fact or quietly dropped. If you hold a source that settles one, please tell us.
- The Fast Company scorecard page carried no visible dateline in the fetched version; the September 2022 unveiling date is corroborated via the existing Accountable.US profile and the task's relationship context.
- Sky's completion beyond the "expected before the end of October 2018" statement in SportsBusiness Journal was not confirmed by a fully-read source.
- The Versant spin-off completion (January 2026) and the planned NBCUniversal/Sky separation (announced late June 2026, targeting mid-2027) rest on one tier3 specialist outlet; no Comcast first-party announcement for either was read in full.
- The ~$30.5B two-deal NBCUniversal total is Ralph Roberts's 2015 obituary figure; the Associated Press piece verified the $16.7B final tranche.
- The Brian Roberts Senate testimony dates Comcast's founding to 1969 (incorporation), while the Ad Age obituary traces the business origin to the 1963 American Cable Systems purchase; the profile states both.
- This profile does not claim current subscriber figures for Sky or Peacock beyond the dated figures given, nor does it assert the planned mid-2027 separation will complete — it is conditional on board, tax, regulatory and financing approvals.
Sources
10 sources (1 tier 1, 5 tier 2, 1 tier 3, 3 first-party), each opened and read against the claim it supports. Statements the subject makes about itself are marked as such and are not treated as independent evidence. See the source policy.
This profile rests on sources read in full. The company history and acquisitions come from the Ad Age obituary of founder Ralph J. Roberts (via Bloomberg News) and an Associated Press report on the NBCUniversal buyout; the Sky auction from SportsBusiness Journal; leadership from Broadband Breakfast; the 2010 court case from PCWorld; the scorecard from Fast Company (Capital & Main reporting); and financials and the spin-off plan from Comcast's own earnings release and November 2024 announcement. The January 2026 Versant completion and the June 2026 NBCUniversal/Sky split rest on a single specialist outlet (tier3) and are labeled as such. Wikipedia was used only as a lead index and is not cited.
- Supports: Feb 12, 2013 announcement that Comcast would buy GE's remaining 49% of NBCUniversal for $16.7 billion ahead of the 2018 schedule set when Comcast took majority control in 2011; NBCU valued at $34B excluding debt; closing expected by end of March 2013; Roberts quotes on the timing rationale. Open original source
- Supports: Founding (1963 American Cable Systems, Tupelo, 1,200 subscribers, renamed Comcast); Ralph Roberts chairman 18 years to 2002, then chairman emeritus, Brian Roberts taking over as chairman and CEO; Philadelphia HQ; AT&T Broadband 2002 ($58.7B); NBCUniversal two deals (~$30.5B with GE); Time Warner Cable bid ($45.2B, Feb 2014, dropped April); expansion to Pennsylvania 1971; IPO 1972; QVC co-founding 1986; E! 1997. Open original source
- Supports: Sept 2018 Sky auction outcome: £17.28/share for the 61% stake (Fox held 39%), valuing Sky at £30.6B (~$40.0B); 23M subscribers across the UK, Ireland, Germany, Austria and Italy; Brian Roberts statement; completion expected before end of October 2018; Disney-Fox context. Open original source
- Supports: Mike Cavanagh named co-CEO alongside Brian Roberts effective January 2026; Roberts has led Comcast since 2002 and remains chairman; first non-family member in the top job; Cavanagh president since 2022, joined 2015 from JPMorgan Chase; broadband subscriber losses in Q2 2025 (-226K), Q1 2025 (-199K) and Q4 2024 (-139K); "nation's largest cable and broadband provider." Open original source
- Supports: D.C. Circuit ruling overturning the FCC's August 2008 order against Comcast's BitTorrent throttling; Judge David Tatel's finding that the FCC lacked "any statutorily mandated responsibility"; reports of the throttling surfaced in late 2007; Comcast first denied it, then cited congestion management. Open original source
- Supports: Accountable.US American Democracy Scorecard grading the top 100 Fortune 500 on 14 criteria; two-thirds received failing marks; AT&T lowest, then Verizon; Charter Communications and Comcast among the 10 lowest scorers; telecommunications the lowest-ranked industry; telecom companies did not respond to Capital & Main before publication. Open original source
- Comcast is Breaking Apart As NBCUniversal Becomes Independent - We Explain Exactly What is Happening Tier 3Supports: Late-June 2026 announcement of a tax-free separation of NBCUniversal and Sky into a standalone public media company (target mid-2027, subject to approvals); Comcast to retain up to 19.9% for up to a year; Mike Cavanagh slated CEO of the new NBCUniversal, Michael Angelakis CEO of the remaining Comcast connectivity company; Roberts to stay involved in both; Versant spin completed January 2026 (CNBC, MS NOW, USA, Golf Channel, E!, Syfy, Oxygen and digital assets now there); connectivity business ~65M homes/businesses and ~$70.7B revenue. Open original source
- Comcast Reports 4th Quarter 2024 Results First-partySupports: FY2024: $123,731M revenue (+1.8%), $16,192M net income attributable, $38,069M adjusted EBITDA, EPS $4.14; segments Connectivity & Platforms (Q4 revenue $20,464M, adj. EBITDA $7,842M) and Content & Experiences (Q4 revenue $12,078M, adj. EBITDA $1,491M; Media $7,222M / Studios $3,269M / Theme Parks $2,374M); 51.6M customer relationships; 31.842M domestic broadband, 12.523M domestic video, 7.826M wireless lines; Peacock FY2024 revenue $4.9B (+46%); Studios #2 worldwide box office; Epic Universe scheduled to open May 22, 2025; 11-year NBA/WNBA deal from 2025-26; announced intention to spin off select cable networks. Open original source
- Supports: Nov 2024 tax-free spin-off announcement: "SpinCo" comprises NBCUniversal's cable networks (USA Network, CNBC, MSNBC, Oxygen, E!, SYFY, Golf Channel) plus Fandango, Rotten Tomatoes, GolfNow and SportsEngine; ~$7B revenue (TTM Sep 30, 2024); ~70M U.S. households; expected to complete in ~1 year; Mark Lazarus as CEO, Anand Kini as COO/CFO. Verifies the Comcast → NBCUniversal → CNBC chain at the time. Open original source
- Supports: Name etymology — Ralph Roberts coined "Comcast" from "communications" and "broadcasting"; 1969 founding/incorporation per Roberts's testimony; AT&T Broadband merger announced Dec 19, 2001, creating ~22M-subscriber company with presence in 17 of 20 largest U.S. metros; Comcast Cable then third-largest with 8.4M customers. Open original source
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