Dive deep into the world of software consulting & custom software development in St Louis with Keyhole Software.
If you're based in St Louis and are seeking help with custom software development, then you're in the right place! The city has a rich tapestry of tech solutions and software consultants, and we're proud to be among the top contenders.
Trusted by Leading St. Louis Companies
Our roots in the St. Louis tech community run deep. We’ve proudly delivered successful projects for local leaders like Nestlé Purina and Safety National, building long-term relationships grounded in trust, transparency, and technical excellence.
From enterprise-scale initiatives to startup collaborations, we help clients across industries achieve results with smart, scalable, maintainable software.
Why Businesses Trust Keyhole
Expertise Without Ego
With 17+ years of average experience, our U.S.-based, full-time employee consultants deliver expert services without the ego.Consistent Results Strengthens Loyalty
78% of our projects last year were with repeat clients, reflecting the trust we've earned by consistently delivering quality and exceeding expectations.Team Stability & Reliable Partnerships
With an average tenure of 5+ years with Keyhole, the relationship clients develop with our consultants ensures project continuity & deep project knowledge.
Custom Software Services in St. Louis
We offer full-stack consulting and software development services tailored to your goals:
Industry Expertise That Spans Sectors
Our experience spans a wide range of industries—from healthcare and insurance to banking, logistics, and even movie theaters. This cross-industry perspective enables us to bring proven strategies, fresh ideas, and technical versatility to every project.
Whether you're a growing St. Louis startup or a Fortune 100 enterprise, we adapt to your environment and deliver value quickly.
What Makes Keyhole Software Consulting Different?
Expert 100% U.S.-Based Consultants (No Subcontractors)
We Build Long-Term Relationships
We love working with St. Louis businesses—and many of our team members call the area home. Whether you're a startup looking for an MVP or an enterprise planning your next big modernization initiative, Keyhole Software is ready to help.
Our long-term client partnerships are built on consistent delivery, open communication, and a shared investment in success. The proof is in the continued relationship—more than 2/3 of projects last year were with a repeat client.
Passionate Professionals Who Care
At Keyhole Software, our greatest asset is our people. Yes, we bring deep technical expertise across modern platforms, frameworks, and architectures—but what truly sets us apart is the care, curiosity, and commitment our consultants bring to every project.
When building our software consulting team, we look for individuals who are passionate about helping others succeed. That means clear communication, proactive collaboration, and a mindset geared toward problem-solving and continuous improvement.
This people-first approach is also why knowledge transfer is a core part of every engagement. We don’t just build custom software for St. Louis companies—we share our insights, empower your team, and leave you stronger than when we started.
How We Help St. Louis Businesses Succeed With Software
- Outdated legacy platforms? We modernize systems with microservices and cloud-native architecture.
- Struggling to scale? Our DevOps and CI/CD experts help accelerate secure, reliable releases.
- Launching a new product? We build web and mobile apps from MVP to market-ready.
Whatever the challenge, our expert developers will meet you where you are—and get you where you want to be.
Proud to Be Part of the St. Louis Tech Community
St. Louis has an expansive software landscape, and we are excited to be a part of it. Whether you're a startup looking to make your mark or a seasoned industry player in need of a fresh perspective, we're here to help.
So, if you're considering taking the plunge into custom software development in St Louis, don't hesitate to contact us.
