In Dubai and Abu Dhabi, offshore services refer to businesses registered in free zones, such as DIFC or ADGM, offering tax advantages. Onshore services involve companies operating within the UAE mainland, often with local partners. Dubai's offshore entities enjoy global reach, while Abu Dhabi's onshore businesses thrive in diverse sectors. Carefully consider your business goals and structure when deciding between these two options for setting up in these thriving Emirati cities.