The Publicis-Omnicom deal

Coverage of the failed Publicis-Omnicom merger, which would have been the biggest deal in marketing history

Publicis, Omnicom call off $35bn mega-merger

Publicis, Omnicom call off $35bn mega-merger

Publicis Groupe and Omnicom Group have decided to call off what would have been the biggest deal in marketing history, a $35 billion combination that would have made the merged Publicis-Omnicom Group the largest holding company in the world.

Omnicom CEO on terminated merger: 'Corporate culture, complexity, and time'

Omnicom CEO on terminated merger: 'Corporate culture, complexity, and time'

Analyst predicts John Wren could go in fallout from failure of OmniPub deal

Podcast: The end of OmniPub explained

Podcast: The end of OmniPub explained

PRWeek's editors discuss why the Omnicom-Publicis deal fell apart.

OmniPub bromance didn't extend to the CFOs' offices

OmniPub bromance didn't extend to the CFOs' offices

Skepticism of WPP's CEO Martin Sorrell is vindicated as Omnicom/Publicis deal finally falls apart.

Done deals: the PR tie-ups that did happen during the Omnipub saga

Done deals: the PR tie-ups that did happen during the Omnipub saga

International PR players, including Omnicom and Publicis Groupe, have not been sitting on the sidelines in the 10 months over which the doomed mega-merger played out.

Costs pile up as Publicis, Omnicom tensions continue

Costs pile up as Publicis, Omnicom tensions continue

The proposed merger between Publicis Groupe and Omnicom Group is costing the holding companies millions in fees, as the $35 billion deal is delayed by tax rulings and plagued by rumors of infighting.

Tax issues continue to trouble Publicis-Omnicom merger

Tax issues continue to trouble Publicis-Omnicom merger

Omnicom Group and Publicis Groupe have declined to comment on recent reports that the complicated structure of their proposed merger is coming under increased pressure from European tax authorities.

Omnicom-Publicis merger gains unconditional approval from EU

Omnicom-Publicis merger on track for approval by EU

The Omnicom-Publicis merger is set to gain European Union regulatory approval, reports have suggested.

Publicis, Omnicom push back merger close date

Publicis, Omnicom push back merger close date

The leaders of Publicis and Omnicom said the completion date of the merger of their two companies has been pushed back to mid-2014 at the latest, according to reports from the Morgan Stanley investor conference in Barcelona.

Cultural differences still define OmniPub deal

Cultural differences still define OmniPub deal

The dust is beginning to settle on the OmniPub global agency mega-merger and the deal, which if it goes through will create the largest marketing services holding company, looks set to be completed on schedule.

Publicis, Omnicom merger gets US antitrust nod

PARIS: Publicis Groupe and Omnicom Group passed regulatory hurdles on Friday as the antitrust waiting period related to the holding companies' merger came to an end.

Omnicom plans 'United' group to service automaker

Omnicom plans 'United' group to service automaker

YOKOHAMA, JAPAN: Omnicom Group has created a multidisciplinary agency team - known as Nissan United -- as part of a new multiyear agreement with the Japanese automaker.

Nissan's Sproule gives client perspective on OmniPub

Nissan's Sproule gives client perspective on OmniPub

Simon Sproule, CVP of global marketing communications at Nissan Motor Company, discusses the impact of the Publicis-Omnicom deal on clients.

Experts say merger likely to pass antitrust hurdles

NEW YORK: The Publicis Groupe-Omnicom Group merger is likely to pass regulatory hurdles, say experts, who add that it will create a mix of benefits and drawbacks for the company and its clients.

Boom or bust? Reaction to Publicis-Omnicom deal

Omnicom Group and Publicis Groupe pulled off the biggest merger in the history of the advertising and marketing services industries on Sunday - at least until the regulators and shareholders have their say. Here's a roundup of the best coverage and reaction from around the Web.

Committee to assess Publicis Omnicom Group PR offer

Committee to assess Publicis Omnicom Group PR offer

A PR subcommittee will be established to determine the future structure of the newly combined Publicis Omnicom Group's PR and communications agency brands and assets.

A marriage made in heaven or impending train wreck?

A marriage made in heaven or impending train wreck?

There are some deals that transcend the normal run of business and some developments that become indelibly etched on your consciousness - and, yes, some stories that drag trade journalists into the office on a Sunday tapping out copy.

A bad deal for Omnicom shareholders: Sorrell

A bad deal for Omnicom shareholders: Sorrell

LONDON: WPP Group CEO Martin Sorrell has poured cold water on the so-called "merger of equals" of rival agencies Omnicom Group and Publicis Groupe, announced on Sunday, questioning the value to the former's shareholders.

The Lévy-Wren team, Sorrell's next move in focus

The Lévy-Wren team, Sorrell's next move in focus

Days two and three of wall-to-wall coverage of the merger of Publicis Groupe and Omnicom Group have focused as much on the larger-than-life personalities who engineered the deal as the dollars and cents of it.

How they got here

Brief histories of Publicis Groupe and Omnicom Group leading up to Sunday's merger announcement.

The basics: Omnicom and Publicis to merge

The proposed merger of Omnicom Group and Publicis Groupe, in a nutshell.

Omnicom, Publicis merge, create $23b umbrella group

Omnicom, Publicis merge, create $23b umbrella group

PARIS: Publicis Groupe and Omnicom Group said Sunday morning that they will merge to form the world's largest marketing umbrella firm, a move that would trim the "big four" advertising holding companies to the "big three."