1. Develop a business plan: A business plan helps you define your business goals and objectives, as well as outline your target market and marketing strategy. It also helps you identify your funding needs and financial projections.

2. Obtain licenses and permits: Depending on where you operate, you may need to obtain various licenses and permits to legally conduct business as a construction company. This may include a business license, a contractor's license, and building permits.

3. Acquire necessary equipment and supplies: You will need to purchase or lease the necessary equipment and supplies for your construction business, such as tools, machinery, and materials.

4. Hire employees: You will need to hire a team of professionals, such as architects, engineers, and construction workers, to help you plan and execute construction projects.

5. Marketing and networking: Marketing your construction business involves creating a brand identity and promoting your services to potential clients. This may involve networking with other professionals in the industry, creating a website, and utilizing social media.

Starting a construction business requires careful planning and attention to detail. It is important to research the local market and understand the requirements and regulations in your area to ensure the success of your business.