Start with relevant experience, not the number of logos on the website. Ask for a couple of projects that resemble your technology stack, and then ask which engineers actually built it. A serious vendor is happy to connect you with the people who would work on your project. Vague answers at this stage generally mean you are talking to a reseller.
The agreement warrants a slower read than the pitch. Three clauses do most of the work: ownership of the code, non-disclosure, and exit terms and laravel development services handover. Everything produced has to transfer to you as it is paid for, along with designs, scripts and infrastructure configuration. Watch for wording that leaves reusable components with the vendor, since it is usually the dependency that makes switching painful.
Ask how they estimate. An honest estimate comes with the assumptions behind it, a breakdown by feature or module and a range rather than a single number. A fixed-bid deal only makes sense when the scope is genuinely frozen; otherwise the provider adds a risk premium and you pay for it anyway. A time-and-materials model shifts that risk to you, so it demands a sprint cadence, demos and a budget cap.
How the work is run matters as much as the number of developers. Ask what happens when the scope changes, react development outsourcing who signs off on a feature and how quality assurance works. A team will be able to demonstrate a live build at the end of each sprint. Acceptance criteria in writing are the practical protection against an argument at delivery time.
Last, technical consulting services plan for the handover while the relationship is still good. Insist that the source repository lives on infrastructure you own from the beginning, and that documentation is updated as part of the work. A provider confident ai in custom software development its own work will agree quickly; hesitation here tells you a great deal.