Build Laravel SaaS site for our app

We are currently developing a Laravel web app. We are in need of a developer or agency to setup the public and SaaS side of our app to handle all authentication, subscriptions and billing. Estimated time should be around 15 days or less if possible. Basically, we need everything included in Laravel Spark or Laravel Wave, but with a custom payment platform. Plus a few simple information pages. You are free to choose if you want to use Laravel Spark, Grafite Builder, Laravel Wave, Rinvex Subscriptions, Laravel Plans, etc. Or any other boilerplate and libraries you suggest and are able to justify. We want it to work, whatever boilerplate or libraries you choose is not important to us, as long as it's Laravel and it works as expected and with good performance for thousands of potential users. SaaS platform requirements: - User authentication - Role / Permission management - User profile management. - Subscriptions plans with per-seat or per-usage pricing. - Billing and Invoice handling with a custom payment platform. ** We would provide the API for the platform. - Team management with option to invite users. - Multiple users per team and multiple teams per user. - API token generation - Follow the design provided by our designers. - A single user should be able to own to more than 1 team. - Still deciding, but "Teams" might be renamed to "Companies", but the concept would remain the same. - User impersonations Public sections: - Home - Pricing - About - Contact - Login / Signup - Privacy policy - We provide design for these too. We would provide all design assets, plans information and all text content. Site texts will be in spanish, but we would provide all texts either way, and a Lorem ipsum setup works just fine, we can change the text content later. Also, we would start small, but want to future-proof the app. Because of this, the SaaS and public site should be able to run on a separate server than our main app, but share authentication. We don't know how this multi-server auth works, but we would like someone able to propose solutions and identify any problems in our requests, instead of someone who just says yes to everything even if it doesn't make sense. We plan to host with Laravel Forge on AWS with load balancing with multiple servers and a dedicated database server. Hopefully one of the servers would be dedicated for the SaaS/Public site as stated above, but this solution might change before launch.