Blockchain and financial software are pretty intricate, and you need to decide how you want to tackle the initial development.
If you want to develop your software in-house, you should have some technical and programming knowledge and experience. You should also assemble a team of highly skilled engineers and developers who have experience with financial transactions and/or blockchain application development. For blockchain application development Hivelance technology is the good firm they develop the application on edge cutting perfection
However, if you do not have a technical background and want to get your exchange off the ground as quickly and safely as possible, you may want to consider white labels and open-source solutions.
Some companies have software for sale that will allow you to open an exchange that you can brand and use however you want to, which is called white labelling.
If you have some technical experience, but you do not want to go through the hassle of building your exchange from scratch, consider open-source solutions like GitHub, where you can find code that will help you get to where you want to go that’s already been written by another developer. If you choose to go this route, you may wish to audit the software and code to ensure no malicious data may steal money or user information