Trusted by organizations nationwide to deliver complex, long-lived software systems. We provide 100% U.S.-based senior consultants who average 17+ years of experience to develop custom software, modernize legacy systems, and strengthen your engineering team.
Trusted By Leading Organizations
How We Help Clients
Unlike firms that rely on offshore delivery or junior staffing models, Keyhole works with organizations that require senior-level, U.S.-based engineering expertise. Our consultants bring deep expertise to a variety of services, from custom software development to cloud migrations, AI integration, and digital transformation.
Whether you need to modernize legacy systems or optimize your platform infrastructure, our custom software development approach means we have the skills and experience to meet your specific needs, delivering impactful, scalable results.
Creating custom software and mobile applications tailored to unique business needs leveraging Java, .NET, and JavaScript technologies.
How We Work
Expert Developers, Seamless Integration
Product Dev Teams, Tailored Solutions
Fractional & Advisory Services
Why Clients Choose Keyhole Over Other Software Development Firms
Clients consistently choose Keyhole for our expert-driven solutions and commitment to excellence. Last year, 78% of our projects were with repeat clients, highlighting the trust and value we provide.
When evaluating custom software development companies, engineering leaders find that Keyhole delivers what others promise but rarely execute on.
Senior-Level, U.S.-Based Consultants
100% U.S.-Based Employee Consultants — Ensuring reliable, high-quality solutions.
17+ Years of Average Experience — Bringing deep expertise and technical skill.
Every Keyhole consultant averages 17+ years of professional experience and is 100% U.S.-based. You work directly with hands-on experts—not offshored resources or entry-level developers.
Our consultants communicate clearly, solve problems efficiently, and require minimal direction, a level of quality that distinguishes us from other custom software companies.
Proven Track Record with Start Ups to Enterprise Clients
Client Retention of 4+ Years — Clients frequently seek to expand engagement scope.
Average Consultant Tenure of Nearly 5 Years — Providing consistency and strong project alignment.
We've modernized mission-critical systems for financial institutions, healthcare providers, manufacturers, and logistics organizations.
Clients extend contracts and request our consultants by name because they trust our competency and delivery. This track record sets Keyhole apart from typical software development firms that struggle with consultant turnover.
Technology-Agnostic, Business-Driven Approach
Successfully Supported 250+ Clients of All Sizes —
From funded startups to Fortune 500 enterprises.
We support a broad mix of modern and legacy technologies, allowing us to design solutions around each client’s actual environment rather than a prescribed technology stack.
Our teams work across Java, .NET, and JavaScript, as well as cloud-native architectures on AWS, Azure, and Google Cloud. This approach supports custom software decisions focused on fit, longevity, and maintainability.
Partnerships
+ Recognition
Recognized for superior expertise by industry leaders and trusted by top organizations.
The Client Experience
Latest Thought Leadership
At Keyhole, we believe in not just solving technical challenges, but also educating and empowering the tech community. Our thought leadership shares expert insights, industry trends, and best practices to help you stay ahead in the world of software development:
From deep dives into emerging technologies to practical guidance on scaling systems, our articles and videos offer valuable resources for developers, architects, and IT leaders. Stay informed, stay ahead, and see how Keyhole can help guide your next project.