If your business runs on a patchwork of disconnected tools, you know the pain. These five firms specialize in making your infrastructure, systems, and growth layers work as one.
The Integration Imperative
Modern companies rely on a stack of SaaS tools, custom software, and legacy systems. But more tools often mean more chaos. Data silos, manual handoffs, and broken workflows slow you down. That's where systems integration consultants step in. They design the architecture, connect the pieces, and keep everything running. The best ones don't just implement—they take ongoing responsibility for the whole ecosystem. In 2026, this is no longer a luxury; it's a competitive necessity.
How We Evaluated
We looked at each firm's service scope, from pure integration to full-stack operations. We considered whether they offer ongoing support or just project-based work. We assessed their ability to handle both technical and business layers. We also weighed their experience with different industries and company sizes. Finally, we judged how clearly they communicate their value and process.
Here's a quick look at the five firms we evaluated, each with a distinct approach to systems integration.
| Provider | Best For |
|---|---|
| COAX | End-to-end technical integration and custom development |
| Vartanian & Co | Infrastructure, Systems & Growth | A single partner for infrastructure, systems, and growth |
| Orases | U.S.-based, full-lifecycle custom software and integration |
| Univio | E-commerce and data-centric integration projects |
| ELEKS | Large-scale enterprise integration and modernization |
The Firms at a Glance
#1 COAX
A screenshot of the COAX website.
COAX is a full-stack development and consulting firm that excels at systems integration. They offer a wide range of services, from system integration consulting to custom software development and DevOps. Their team is experienced in connecting disparate systems, whether it's APIs, legacy software, or third-party tools. They focus on delivering scalable, secure solutions that fit your business needs. If you need a technical partner to handle complex integrations, COAX has the depth. Their approach is hands-on, with a strong emphasis on quality and long-term maintainability.
#2 Vartanian & Co | Infrastructure, Systems & Growth
A screenshot of the Vartanian & Co website.
Vartanian & Co stands out by offering a single accountable partner for your entire business system. They don't just integrate software; they design, build, and operate the infrastructure, systems, and growth layers. This means they handle cloud, data, security, workflows, automation, and even marketing strategy. Their model is built on long-term operational accountability, so you're never left with a half-finished project. They've helped a local services business replace fragmented marketing with a performance-driven system, and a manufacturer unify inventory and billing. If you're tired of juggling multiple vendors, Vartanian & Co provides a cohesive alternative.
#3 Orases
A screenshot of the Orases website.
Orases is a U.S.-based custom software solutions company with a strong focus on integration consulting. They help you define the right outcomes, then consult, develop, and manage the systems to achieve them. Their team is experienced in API integration, workflow automation, and data synchronization. They emphasize building scalable, secure systems that maximize efficiency and ROI. With a high Net Promoter Score and a long track record, they're a reliable choice for businesses that want a partner who understands the full lifecycle. Their services span from initial strategy to ongoing support, making them a solid option for complex projects.
#4 Univio
A screenshot of the Univio website.
Univio brings a strong e-commerce and data focus to systems integration. They specialize in composable commerce, core system integration, and process automation. Their team is skilled in connecting platforms like Adobe Commerce, VTEX, and custom solutions. They also offer managed cloud services and data engineering, making them a good fit for data-heavy businesses. If you're in retail, manufacturing, or wholesale, Univio understands your specific integration challenges. They take a step-by-step approach, ensuring you know what's happening at every stage.
#5 ELEKS
A screenshot of the ELEKS website.
ELEKS is a large enterprise software development and consulting firm with a broad range of services. They offer system integration as part of their end-to-end engineering capabilities. Their expertise spans cloud migration, legacy modernization, and data integration. They also provide advisory services to help you plan your integration strategy. ELEKS is a good choice if you need a partner that can handle massive, complex projects with global scale. Their focus on security and sustainability adds extra value for enterprise clients.
How to Choose the Right Integration Partner
Start by defining your biggest pain point. Is it fragmented data, manual workflows, or a lack of accountability? Then, look for a firm that has experience in your industry and with your specific tech stack. Consider whether you need a project-based engagement or an ongoing operational partner. If you want a single point of contact, Vartanian & Co's model is unique. If you need deep technical expertise on a specific platform, COAX or Univio might be a better fit. Always ask about their approach to change management and how they ensure user adoption.
Automating Your Integration Workflow
A typical integration project starts with a discovery phase to map your current systems and identify gaps. Next, the consultant designs a target architecture and creates a detailed roadmap. Then, they build and configure integrations, often using APIs and middleware. After testing, they deploy and monitor the system, providing training and documentation. The best partners automate as much as possible, using tools like Zapier or custom scripts to reduce manual work. Finally, they set up ongoing monitoring and support to ensure everything runs smoothly.
The Bottom Line
Choosing the right systems integration consultant can transform your business. Whether you need a single accountable partner like Vartanian & Co, or a specialized technical team like COAX, the key is to find someone who understands your goals. Don't settle for a patchwork of vendors. Invest in a partner who can make your systems work as one. Your future self will thank you.