About This Deal

CoStar Group acquired OnTheMarket (onthemarket.com) for 110 pence per share, or GBP 94.0 million ($117.9 million), in cash; total consideration of GBP 96.0 million ($120.4 million) including a share-option liability, a transaction completed in December 2023, structured as CoStar UK acquired all issued ordinary share capital (all cash).

OnTheMarket (onthemarket.com) operates in International. On December 12, 2023, CoStar UK acquired OnTheMarket, the operator of onthemarket.com, a U.K. residential property portal, purchasing all issued ordinary share capital.

Established a U.K. residential portal presence for CoStar's international residential strategy.

Deal Terms

Acquirer
CoStar Group
Target
OnTheMarket (onthemarket.com)
Value
110 pence per share, or GBP 94.0 million ($117.9 million), in cash; total consideration of GBP 96.0 million ($120.4 million) including a share-option liability
Date
December 2023
Type
Acquisition
Status
Ready

Transaction Details

Segment
International
Structure
CoStar UK acquired all issued ordinary share capital (all cash)
Closed
December 12, 2023

Advisors

Advisory firms were not disclosed for this transaction.

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Sources: SEC filing ↗ · Last updated July 8, 2026

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