Custom Software Development in Irvine
Grow your business with our purposeful, pain free software solutions. We enable small and midsize businesses to focus on driving revenue, while we take care of technology and implementation. Our business acumen and technical leadership take the pain out of software projects.

Pegasus One is one of the fastest growing software development company Orange County and Irvine area. We specialize in working with small businesses and Start-Ups in Southern California to help them grow the business and provide holistic technical guidance. Our full spectrum of services includes website design and development, mobile application development, web application development, custom software solutions with development, CRM development and Microsoft .NET Development. Orange County and especially Irvine’s diverse high tech industry is matched by its amazing growth. According to Deloitte Tech 500, in 14 OC based technology companies were among the fastest growing tech firms in North America, all with more than 100% revenue growth in the past year.
With most of our business coming from repeat customers, we take pride in ensuring the quality of our products and services. With a rigorous and streamlined Agile Development process in place, we ensure that our projects meet the highest standards.
Pegasus One thrives on communication, collaboration, and contextualization to deliver the fast and effective results your company deserves. We are committed to using the agility of our design and development team to produce the finest solutions possible. From our team to yours, we guarantee only the best.
Software development services
Pegasus One makes sure that your team isn’t spending valuable time trying to figure out how to create a software solution that works for your business. Outsourcing to us means that your employees can focus on making the right decisions and changes to your business to increase profits.
That’s the primary reason to trust in us, but just take a look at what makes Pegasus One such a good choice for your software and app development needs.
Ready to talk about software companies services?
Supercharge your web and mobile applications with cutting-edge ASP.NET development—right here in Los Angeles. At Pegasus One, our seasoned ASP.NET developers specialize in building scalable, secure, and high-performance solutions tailored to meet the needs of local software companies. Whether you’re developing a complex enterprise platform or an intuitive mobile app, we combine deep technical expertise with a strong understanding of LA’s dynamic tech landscape to bring your vision to life.
We deliver extra-ordinary outcomes
for extra-ordinary clients

Working with you was an awesome experience! Thank you for improving our site performance fifteen-fold within a few days.... Working with you was an awesome experience! Thank you for improving our site performance fifteen-fold within a few days
Johnson Bruce


Thanks to you, our company now has time to concentrate on the important things, and not worry about who will devlop and grow our product
Kathleen Webber


As a verteran of many systems-development projects, I was particularly impressed with your implementation speed, adaptability to multiple changes, timely improvement recommendations, warnings about potential problems.
Nathan Chaffey


your company has worked on a variety of complex projects for us. We return again and again because your team is very talented and dedicated to delivering high-quality work products at a very competitive price point.
Donnie McWilson



5-time Inc 5000 honoree (2019, 2020, 2021, 2023 & 2024)

Rated 4.9 stars by clients on Clutch

Part of the prestigious Microsoft AI Inner Circle program.

Part of multiple prestigious civil-society betterment projects

Microsoft Solutions Partner and AWS Advanced Consulting Partner

Apps consistently featured by leading design awards.