OnTheMarket has reached a new milestone with over 15,000 advertisers for the very first time, thanks to the continued growth since it became part of the CoStar Group in December last year.
The platform now features over 15,000 advertisers, encompassing estate agents and developers, which surpasses the peak count of 13,867 that we had in June 2020.
This achievement comes shortly after our initial performance update post-acquisition, which showed an 81% year-over-year increase in unique monthly visitors and a 10% rise in agent offices sign-ups since CoStar Group took over.
This advance also coincides with the recent partnerships with big names in estate agency and development like Leaders Romans Group, Edward Mellor, and Rettie, all of whom have started to advertise their properties on OnTheMarket with new listing agreements.
Jason Tebb, President of OnTheMarket, comments: “Breaking through the 15,000 advertiser barrier is an important step forward as we strive to become the top choice for agents in the UK residential property portal space. I’m thrilled to have the support of each advertiser and it reinforces the confidence in the path we are charting.
Our pledge is to keep offering our agents and developers the valuable services and platform they’ve come to expect, at fair and sustainable pricing. We’re confident that with CoStar Group’s support, expertise, and resources, we’re positioned to transform the UK portal market.”
*The increase was calculated using data from January 2023 vs January 2024, according to Google Analytics.
**The growth figures were calculated over the first 60 days from the CoStar acquisition to 18 February 2024, according to Google Analytics.














