Local business oversight and flexible global engineering capacity — balanced to keep quality, security and speed under control. We adopt a validated onsite/offshore hybrid delivery model with U.S.-based project governance, business alignment, quality assurance and HIPAA-compliant workflows.
Founded in 2009, Quadrangle Systems Inc. is a U.S.-based technology company focused on maximizing our clients' return on IT investment. We deliver high-quality IT and software development services at highly competitive rates — backed by a global pool of pre-vetted IT specialists.
U.S. management standards keep every project aligned with your business goals and governance requirements.
Enterprise-grade compliance and security workflows built into how we design, build and maintain systems.
Scalable technology solutions engineered for healthcare, enterprise and every industry in between.
Scale your delivery capacity on demand with clear, open cross-team collaboration across time zones.
Client-First. People-Powered. We maintain a client-centric mindset, with the highest priority placed on customer satisfaction. We pursue sustainable business growth by delivering tailored technology solutions aligned with each client's objectives, challenges and long-term strategic plans.
We integrate mature U.S. management frameworks and standardized delivery processes with a vast global talent pool — giving clients the best of both worlds: local oversight paired with cost-effective global engineering resources.
Backed by a team of seasoned technology professionals, our services span the full spectrum of IT services and software development:
We combine U.S.-standard processes and industry experience with the deep talent pool of global software development professionals — maximizing your return on IT investment.
Our development team pairs deep technical expertise with cross-industry business experience to build state-of-the-art custom software systems. Flexible delivery models cover dedicated teams or individual senior engineers for end-to-end solutions.
Our dedicated support engineers diagnose system incidents, optimize performance and enhance functionalities. We maintain newly built systems and rapidly take over legacy software support for your enterprise.
Our seasoned QA team performs rigorous functional, integration and performance testing. We detect defects early, monitor system performance and provide actionable feedback for continuous software improvement.
We deliver full-cycle mobile application development aligned with your business mobile strategy. Combining mobile R&D and mature engineering workflows, we help launch impactful mobile apps that expand your digital reach.
Scale your in-house team quickly with our pre-vetted IT professionals. We assign skilled engineers who integrate directly into your workflows, filling skill gaps on demand without long-term hiring overhead.
We design, implement and maintain enterprise database and cloud infrastructure across Oracle, SQL Server, MySQL and mainstream cloud platforms — supporting secure, scalable data operations for your business systems.
Industry recognition, competitive economics and round-the-clock support — the three pillars of the Quadrangle difference.
We uphold industry-recognized service standards and consistently deliver reliable, high-quality IT solutions. Our professional project delivery and client-centric performance have earned wide industry recognition across years of operation.
By leveraging our optimized onsite/offshore delivery model and global talent pool, we help clients significantly reduce operational and development costs — delivering enterprise-grade solutions at competitive pricing without compromising quality, security or delivery standards.
We provide responsive, round-the-clock technical assistance and system monitoring. Our support team ensures fast issue diagnosis, instant response and continuous system optimization to minimize downtime and keep your business running smoothly.
From mature enterprise platforms to modern AI and data engineering — one integrated capability set under one roof.
A look at the eCANS system we designed, built and continue to support — from assessment platform to statewide deployment.
Since 2012, Quadrangle has served as the trusted technology partner of the John Praed Foundation, designing and delivering eCANS — a HIPAA-compliant assessment platform used by Texas DFPS caseworkers and providers statewide.
We maintain long-standing relationships with leading technology vendors and enterprise clients across industries. Our ecosystem of cloud, database and infrastructure providers enables us to deliver robust, integrated IT solutions and expand technical capabilities for our customers.
Questions about our services, delivery model or pricing — our team is ready to help.
Chicago, IL, United States
Compliance workflows built into our software delivery for healthcare and enterprise systems.
Tell us about your project and how we can help.