V3 Enterprise Mobility Summit: Apple's iPhone 6 made up 20 percent of smartphone sales in the UK during the fourth quarter of 2014, giving the firm a record 42 percent share of the market.
Kantar Worldpanel ComTech revealed this month that the iPhone 6 was the UK's best-selling handset over the Christmas season.
There's no word on how many of these were business purchases, but statistics from Good Technology in November showed that Apple's iPhone accounted for 69 percent of enterprise smartphone sales globally in the third quarter of 2014.
The iPhone 6 Plus, while not as popular as its smaller sibling, also did pretty well over the holidays. Kantar noted that sales of smartphones with a screen of 5.5in or bigger hit nine percent in Q4, up from three percent in the year-ago quarter.
Samsung's Galaxy S5 ranked as the second best-selling smartphone in the fourth quarter, claiming eight percent of smartphone sales.
One in five buyers are now opting for an iPhone, and Apple's share rose to 42 percent in the UK, a climb of 13.1 percent year on year.
This took a bit out of Google's majority share. Android claimed 50.5 percent of the market, a 7.5 percent year-on-year decline.
Google's mobile operating system accounted for 29 percent of enterprise smartphone activations in Q3, according to Good Technology's figures, down from 31 percent in the previous quarter.
Apple had even more success in the US, where iOS overtook Android in terms of market share for the first time since 2012. iOS claimed 47.7 percent of the smartphone market, compared with Android's 47.6 percent.
Carolina Milanesi, chief of research at Kantar, said: "In the US, Apple iOS overtook Android for the first time since this time in 2012, albeit by the slimmest 0.1 percent margin.
"While the success of the iPhone 6 and 6 Plus is unprecedented, this quarter's performance also points to Apple having its strongest portfolio ever.
"With a range of devices available at different price points in contract and pre-pay, Apple was able to take advantage of a weaker Android offering at the premium end of the market."
Kantar's latest figures also highlight the continued struggle for Microsoft's Windows Phone operating system.
Sales of Windows Phone devices stalled in the UK, seeing Microsoft's share of the market dip from 9.6 percent in Q4 2013 to 6.6 percent last year.
For more insights on mobility, register for the V3 Enterprise Mobility Summit.
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