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Modern PHP solutions for custom platforms, portals, and backend systems.

PHP Development That's Solid, Scalable, and Built to Integrate

At QOLOS, we use PHP to build secure, reliable, and performance-ready applications. From custom CMS solutions and ecommerce platforms to APIs and business portals, our PHP developers create systems that are easy to manage, fully integrated, and built to scale.

Smart Architecture. Clean Code. Real Functionality.

Let’s build your next PHP project the right way. Talk to a PHP expert!

Thank You! Your contact information and message has been sent to your sales rep (Chad).

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PHP Development Thatu2019s Solid, Scalable, and Built to Integrate

At QOLOS, we use PHP to build secure, reliable, and performance-ready applications. From custom CMS solutions and ecommerce platforms to APIs and business portals, our PHP developers create systems that are easy to manage, fully integrated, and built to scale.

What We Build with PHP

  • Custom Web Applications – Business platforms, customer dashboards, and secure portals.

  • Ecommerce Systems – Tailored solutions using or extending platforms like Magento or WooCommerce.

  • Content Management Systems – Lightweight or enterprise-level CMS built to your exact needs.

  • APIs & Integrations – Connect your PHP app with third-party services, ERPs, CRMs, and more.

Why QOLOS?

  • Modern PHP Practices – Clean code, secure frameworks (Laravel, Symfony), and long-term maintainability.

  • Custom Builds – Every solution is tailored—no bloated themes or rigid plugins.

  • Built to Integrate – We make sure your PHP app works smoothly with the rest of your tech stack.


Smart Architecture. Clean Code. Real Functionality.
Let’s build your next PHP project the right way. Talk to a PHP expert!

Chad VanCalster

Meet the Expert

We build custom PHP applications that are fast, secure, and fully tailored to your business. Whether it’s a platform, portal, or integration, we use modern PHP frameworks to deliver clean, scalable solutions that just work.

- Chad VanCalster
Contact Chad
Chad VanCalster

Contact Chad VanCalster

Thank You! Your contact information and message has been sent to Chad.

QOLOS is everything you need to build your DREAM TEAM!

We hire the best, and that is why we are the best. You won't be disappointed.

I have a great website for a low cost and QOLOS made it very simple.

Robert JandrainNPS Insurance

These guys are hands down the best out there. From the very beginning the design team hit the ground running and built us multiple options to choose from. The main asset to small business is the support from the tech team. The diligence and attention to detail is a service received that you cannot put a price on. Chad is very knowledgeable and keeps the clients interest in the forefront all of the time. We have been a customer for 5 years and look forward to many years of a continued relationship. Highly Recommend. Thanks again Chad for your leadership and all you and your team do for us.

Dustin StephensonNortex Electric


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QOLOS, Inc.

340 N. Broadway St. STE 200

Green Bay, WI 54303

(888) 747-7111

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