As of my last update in October 2023, there is no widely recognized property developer named "Mered" in the UAE. It's possible that "Mered" could be a smaller or newer developer that hasn't gained significant attention or coverage in major real estate news outlets. Alternatively, there might be a spelling error or misunderstanding in the name.

The UAE, particularly Dubai and Abu Dhabi, is home to many prominent property developers such as Emaar Properties, Nakheel, DAMAC Properties, and Aldar Properties, among others. These developers are known for their large-scale projects and significant contributions to the UAE's real estate landscape.

If "Mered" is indeed a new or smaller developer, here are some general pros of working with property developers in the UAE:

1. Innovative Projects: Many UAE developers are known for their innovative and luxurious projects, often incorporating cutting-edge technology and design.

2. Strategic Locations: Developers in the UAE often secure prime locations for their projects, offering residents and investors access to key areas and attractions.

3. High-Quality Standards: The competitive nature of the UAE real estate market pushes developers to maintain high construction and design standards.

4. Investment Opportunities: The UAE's real estate market is attractive to investors due to its potential for high returns, tax-free environment, and strong regulatory framework.

5. Comprehensive Amenities: Many developments come with a range of amenities such as gyms, pools, retail spaces, and parks, enhancing the living experience.

6. Diverse Offerings: Developers often offer a variety of property types, from luxury villas to affordable apartments, catering to different market segments.

If you have more specific information about "Mered" or if it's a new entity that has emerged after my last update, I recommend checking local real estate news sources, property listings, or the developer's official website for the most current information.