Here are some of the more reputable real estate agencies and platforms in Nigeria that you can consider investing in real estate with:

• Landwey Investment – One of the largest real estate investment companies in Nigeria. They have projects across Lagos and other cities. Offer opportunities to invest in residential and commercial properties.
• Octo5 Holdings – Property development company with a focus on building innovative luxury apartments and office spaces in Lagos. Provides investment products for both local and international investors.
• RevolutionPlus – Leading luxury real estate brand in Nigeria with projects in many states. Offers options to invest in their properties and earn rental income or capital appreciation.
• Fine and Country – Global real estate brand that opened in Nigeria. Specializes in marketing and selling high-end residential and commercial real estate to local and diaspora investors.
• BuyLetLive – Real estate platform that allows you to browse verified properties and invest remotely in rental units managed by their team. Provides ease for diaspora investors.
• Havillah Real Estate – Investment company focused on building modern residential estates and office spaces, especially in Abuja. Offers co-investment opportunities with projects.
• Purple Real Estate – Invests in developing quality affordable housing, hotels, commercial properties. Has over $100 million in completed projects so far.

Be sure to conduct proper due diligence before investing in any real estate project or development. Look at factors like developer reputation, location, valuations, legal validity etc.