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Customer Support Specialist, OntheMarket - London

CoStar Group | London, United Kingdom | Posted June 29, 2026

Position Overview

RESPONSIBILITIES

  • Provide technical and customer support to estate and letting agents via inbound and outbound calls, email, and occasional face‑to‑face meetings. 

  • Liaise with clients and their third‑party software providers to establish and maintain automated data connections, assess data quality, and resolve issues. 

  • Confidently support customers across calls and email, managing a varied workload in a fast‑paced environment with strong time management. 

  • Investigate and resolve queries raised by clients, consumers using the OnTheMarket website, and internal colleagues, communicating solutions clearly and managing expectations. 

  • Analyse raw data from feed providers and work with clients, suppliers, developers, and internal technology teams to diagnose and resolve technical issues. 

  • Monitor and manage tickets within the ticket management system, ensuring issues are prioritised and progressed effectiv...

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