Ikea is reviewing its estimated €400 million (£312 million) global media-buying arrangements with at least five agency holding groups.
It is not clear if Ikea plans to consolidate its buying with fewer agencies.
WPP's Group M is believed to be the agency group that has the single, largest part of Ikea's business, but all of the five biggest ad groups handle the Swedish furniture giant in different territories.
An Ikea spokesperson said: "As part of our commitment to the ongoing improvement of our media and marketing governance, Ikea periodically evaluates all marketing service suppliers to ensure we maintain the best working relationships with the best agency partners.
"Ikea is currently in the process of reviewing its media agency suppliers globally. ID Comms, our media consultancy partners, will be helping us facilitate this process.
"We will continue to work with our incumbent agencies in each local market during this process."
A TV ad from the Church of Scientology International has been banned by the ad watchdog for using misleading data.
The ad, by Golden Era Productions, featured images with different captions on how the church has helped people.
One complainant asked the ASA whether the following claims in the captions were misleading, "teaching 19 million the facts about illicit drugs", "making tens of millions aware of their human rights", and "giving aid to 24 million in times of need".
The ASA concluded that the evidence behind the two former claims was substantial.
However, as the third claim was accompanied with images of a church volunteer who had a stethoscope and was cradling a baby, the ASA said that this came across as the church providing "medical assistance, rescuing victims and providing food, water and shelter".
Also in the news
- Samsung's 'Be Fearless' Gear VR campaign combats fear of heights
- Comparethemarket.com's meerkats ditch Kidman for Batman and Superman
- Tesco price-matching ad banned after Sainsbury's complaint
This week Phuong Nguyen, the director of eBay Advertising, experiences the not insignificant task of defining the company’s three-year tech plan, the joy of promoting deserving talent, and a quintessentially London moment.
Phuong also blogs for The Wall. Take a look at his recent posts:
P&G's celebrated #LikeAGirl campaign has turned its critical gaze on emojis, with an online spot highlighting how symbols relating to sports or working life only show men.
The spot, directed by Lucy Walker, shows different girls reacting to the fact that female emoji figures are shown painting their nails, cutting their hair or receiving a head massage.
Meanwhile, male figures get to surf, swim, ride horses, cycle and become police officers.
More marketing news
- Unilever's PG Tips slapped on the wrist over loyalty scheme
- Paddy Power CMO Gav Thompson out after £5bn Betfair merger
ITV today claimed it was benefitting from "growing concerns" about digital advertising and malware and insisted it can outperform the TV ad market in 2016, despite lagging the market in a flat first quarter.
Adam Crozier, the chief executive, said the "phasing" of the year was different because of its coverage of the Euro 2016 football tournament in the summer and he expects ad growth over the year.
January was down 1 per cent, February was down 4 per cent, March is up 5 per cent and April is forecast to be down 5 per cent.
City analysts at the broker Investec said the ad performance was "below our expectations" and ITV's shares fell more than 2 per cent.
Also in the news
- ITV pre-tax profits up 6% to £641m in 2015
- Football League invites agencies to pitch for digital overhaul
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