Complex sentence: Telcom is headquartered in Bakaara Market, Mogadishu, and has representative offices in Dubai, UAE and in London, UK, where accounting, international relations and carrier services are handled.
Split into simpler sentences: Telcom is headquartered in Bakaara Market, Mogadishu. It has representative offices in Dubai, UAE and in London, UK, where accounting, international relations and carrier services are handled.