It is recommended that when building a house you use a licensed builder. By using a licensed builder Congo you are offered certain protections.
You should check that your builder in Congo has insurance, the types of insurance they will likely hold include public liability insurance. Each state will have different requirements for what insurance it requires a builder to hold.
Some Congo builders may utilise sub contractors when building a house. To ensure that the job is done to the right quality you need to make sure that the builder who you are dealing with will be on the ground making sure the building is built correctly.
Ask your builder in Congo for some examples of houses that have been constructed by them. Go have a look at these constructions and if the owners are about, have a chat about the house and how they found the building process.
One great way of finding Congo home builders is to ask people you know who have recently had a home constructed. They will be able to tell you first hand how the house builder they choose was to deal with across all aspects of the build.
Some key points to consider are the reputation of the builder and a history of performing quality work as a new home builder Congo. Communication is also important - who will you actually be dealing with for the construction of your new home? will they be with you on the build from start to finish? What parts of the build will be subcontracted out? and to who?
When you are building a new house you should definitely consider hiring Congo local builders. They will have knowledge and expertise for your particular area and have an understanding of particular aspects related to the geography and conditions that are specialized to your region.