[21] As of February 18, 2024:[update][22] Comcast is headquartered in Philadelphia, Pennsylvania, and has offices in Atlanta, Detroit, Denver, Manchester, New Hampshire and New York City.

A 2014 investigative series published by The Verge involved interviews with 150 Comcast employees, and examined why the company was so widely criticized by its customers, the media, and its own workers.

It concluded that Comcast's staff endured unreasonable corporate policies: "Customer service has been replaced by an obsession with sales; technicians are understaffed … tech support is poorly trained, and the company is hobbled by internal fragmentation.

Titled "Five Nightmares You Live While Working For America's Worst Company", it claimed that Comcast was obsessed with sales, did not train its employees properly, and concluded that "the system makes good customer service impossible.

[58][59] Cohen has been described by many sources as influential in the U.S. government,[60] though he is no longer a registered lobbyist, as the time he spends lobbying falls short of the 20% which requires official registration.

[63][64] Comcast spent the most money of any organization in support of the Stop Online Piracy and PROTECT IP bills, spending roughly $5 million to lobby for their passage.

[67] Comcast and other cable companies have lobbied state governments to pass legislation restricting or banning individual cities from offering public broadband service.

[70] Comcast offers low cost internet and cable service to schools, subsidized by general broadband consumers through the U.S. government's E-Rate program.

In 1963, Ralph J. Roberts in conjunction with his two business partners, Daniel Aaron[73] and Julian A. Brodsky, purchased American Cable Systems[74] as a corporate spin-off from its parent, Jerrold Electronics, for U.S. $500,000.

[74] Comcast's initial public offering occurred on June 29, 1972, on the National Association of Securities Dealers Automated Quotation System (NASDAQ, a then-recently-established stock exchange), with a market capitalization of U.S.

[106] On April 8, 2005, a partnership led by Comcast and Sony Pictures Entertainment finalized a deal to acquire MGM and its affiliate studio, United Artists, and created an additional outlet to carry MGM/UA's material for cable and Internet distribution.

[116] A gold trophy in the shape of a pile of human feces was delivered to Comcast Corporate Headquarters to commemorate the unmatched level of enmity flowing from their customer base to their business.

[120] The two companies paid a total of $17.6 billion in the deal that was finalized in the second quarter of 2006—after the U.S. Federal Communications Commission (FCC) completed a seven-month investigation without raising an objection.

On November 1, 2009, The New York Times reported Comcast had moved closer to a deal to purchase NBC Universal and that a formal announcement could be made sometime the following week.

[150] Time Warner Cable and Comcast aimed to merge into one company by the end of 2014 and both have praised the deal, emphasizing the increased capabilities of a combined telecommunications network, and to "create operating efficiencies and economies of scale".

[151] In 2014, critics expressed concern that the deal would give Comcast greater negotiating power in a number of areas, including rebroadcast fees with television channels,[152] and peering agreements with ISPs.

"[174] On December 14, Disney officially confirmed its acquisition of 21st Century Fox for $52.4 billion in stock, pending review from the United States Department of Justice Antitrust Division.

21st Century Fox, which owns 39% stake in Sky, had previously declined a US$60 billion acquisition offer by Comcast in favor of its deal with Disney, due to anti-competition concerns.

[182] On May 7, 2018, Comcast announced a potential bid against Disney's effort to acquire Fox after it spoke to investment banks about making a $60 billion cash offer, pending on approval of the AT&T–Time Warner merger.

[187][188] On June 15, 2018, the European Commission gave antitrust clearance to Comcast's offer to purchase Sky, citing that in terms of their current assets in Europe, there would be limited impact on competition.

[193][194] On June 27, the United States Department of Justice gave antitrust approval to Disney under the condition of selling Fox's 22 regional sports channels, to which the company has agreed.

CEO of Comcast, Brian L. Roberts said: "I'd like to congratulate Bob Iger and the team at Disney and commend the Murdoch family and Fox for creating such a desirable and respected company.

[208] On June 20, 2022, Comcast acquired Levl, an American-Israeli startup develops technology that authenticates wireless devices and can help prevent hacking, for an estimated $50 million.

[216][217][218][219] Through Sky, Comcast offers any first-party and third-party television programming which using the satellite distribution system to its customers and subscribers across several countries in Europe, such as the United Kingdom, Ireland, Germany, Austria, Switzerland, and Italy.

[231][232][233] On October 19, 2021, Comcast announced "XClass TV", a line of smart TVs manufactured by Hisense that would be powered by the X1 software platform used by its cable services.

In 2002, Comcast paid the University of Maryland $25 million for naming rights to the new basketball arena built on the College Park campus, the Xfinity Center.

According to The Wall Street Journal nearly two thirds of the flights of Comcast's $40 million corporate jet purchased for business travel related to the NBCU acquisition, were to CEO Brian Roberts' private homes or to resorts.

[249] On August 1, 2016, Washington State Attorney General Bob Ferguson filed a lawsuit against Comcast Corporation in King County Superior Court, alleging the company's own documents reveal a pattern of illegally deceiving their customers to pad their bottom line by tens of millions of dollars.

"[252] In February 2017, Comcast was ordered by the self-regulatory National Advertising Review Board to cease using a claim based on Speedtest.net data that it has "America's fastest internet", stating that "Ookla's data showed only that Xfinity consumers who took advantage of the free tests offered on the Speedtest.net website subscribed to tiers of service with higher download speeds than Verizon FiOS consumers who took advantage of the tests."

[256][257] Forbes magazine criticized the decision not to carry the college sports network as violating a fundamental principle of marketing: "never give your customers a reason to switch.