Before you hire contractors, make sure you are clear on what you'd like to achieve. Make sure that your local civic authority is able to permit the type of construction that you have in your head. Once you have this information written down and the permission adequately documented, proceed and find an architect.
The most efficient way to connect with the right contractor is via references, so ask your family and friends within the region. If this isn't an option for you, dial the local directory of commercial companies and collect a list of contacts for contractors operating within the vicinity.
Contact them all to explain the task, and request quotations and references. If you want to hire concrete commercial contractors, visit avconcreteworks.com/services/concrete-services-los-angeles/.
When choosing a contractor make sure you select a contractor who is able to balance expertise and low price. This is a means of taking advantage of a contractor that isn't too costly but has enough tasks that have been successfully completed to be a qualified individual. You can narrow your search down to three contractors you would like to work with.
Make sure that you get a minimum of two references supplied by each of the contractors you have shortlisted to confirm that your faith in them is firmly established. Then, ask the three remaining to submit bids for your project and choose the one that appears the most appropriate.