
The agency will take responsibility for all UK advertising, which was previously handled out of the US by Hanft Raboy and Partners.
Mother has been briefed to produce a through-the-line campaign, set to break early next year. It is understood that the campaign could be broadened out across Europe.
The pitch process, which kicked off in July, suffered some setbacks following the departure of Match.com's managing director, Jason Stockwood.
Stockwood left the company following a three-year tenure last month.