Off-the-shelf solutions sometimes aren't enough. Custom programming is typically necessary when there are unique business needs that are not adequately met by any existing software solutions. Sometimes, a company may have existing backend software that needs to be rebuilt and modernized to run on the web.

Designing for usability

Obsessive attention to user experience enables us to build web apps that are easy to understand and use.

Appropriate technology

We evaluate each project and select what we think is the most appropriate technology for the job. Because it is common for web apps to evolve over time, designing for flexibility from the start is critical for a successful project over the long term.

Web Application Support

Let us become your technology team. Because we build everything in house, we are here to provide ongoing support as you need it.

Programming languages and tools

Programming languages, frameworks, tools, and databases we have used in recent web application development projects include:

  • PHP
  • Laravel (an open-source PHP framework)
  • CakePHP (an open-source PHP framework)
  • MySQL
  • JavaScript
  • Angular
  • node.JS
  • Single page JavaScript Apps
  • Google Maps API
  • iOS, Android, PhoneGap

Some services we have provided as part of web application development projects:

  • Database-driven apps
  • Custom Ecommerce and Shopping cart systems
  • Data visualization
  • Mobile-friendly development (including responsive web design)
  • Apps for internet startup companies
  • Mobile application development

View some our web application development case studies:

Treetop has been there 110% for us from Day One — patient, understanding, responsive and creatively helping us move forward to achieve our goals.

– Bob Benish, COO, PSCA


We recently developed and launched a web application for the U.S. State Department. This app provides sophisticated mapping and data functionality to document foreign direct investment in the United States, and includes a backend for data management.
Read the case study >