Custom Build

For companies who need expertise and velocity

Product, design, and engineering expertise to tackle everything from critical business challenges to product optimization.
Our capabilities
Software Architecture
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We design systems that are scalable, secure, and maintainable. Every architecture decision is guided by clarity, performance, and long-term reliability.
Full-Stack Development
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We build end-to-end applications across modern web, mobile, and cloud environments, turning complex requirements into dependable software.
Systems Integration
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We connect data, tools, and workflows into cohesive systems that serve real user needs, reducing duplication, improving visibility, and ensuring information flows where it’s needed most.
AI & Automation
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We embed intelligent systems that observe, decide, and act within business processes, automating routine work, surfacing insights, and improving operational efficiency.
DevOps & Cloud Infrastructure
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We manage deployment, monitoring, and scaling so teams can ship faster with less risk, enabling continuous delivery and resilient, observable systems in production.
QA & Testing
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We combine automated and human testing to ensure every release performs as expected across environments, delivering dependable software users can trust.
UX Research
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We perform UX research and interface design for modern software systems, including intelligent and AI-powered tools. Our work spans interaction design, user research, prototyping, and testing – helping teams create interfaces that are intuitive, effective, and grounded in user needs.
Interface Design
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We perform UX research and interface design for modern software systems, including intelligent and AI-powered tools. Our work spans interaction design, user research, prototyping, and testing – helping teams create interfaces that are intuitive, effective, and grounded in user needs.
Interaction Design
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We perform UX research and interface design for modern software systems, including intelligent and AI-powered tools. Our work spans interaction design, user research, prototyping, and testing – helping teams create interfaces that are intuitive, effective, and grounded in user needs.
Design Systems
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We build scalable design systems that unify product and engineering teams. From tokens and components to documentation, we create the foundation for consistent, efficient design at scale.
Prototype & Testing
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We move quickly from idea to experience. Rapid prototyping and iterative testing help us validate direction, refine details, and ensure every design decision is informed by real behavior.
Product Strategy
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We move quickly from idea to experience. Rapid prototyping and iterative testing help us validate direction, refine details, and ensure every design decision is informed by real behavior.
Discovery & Validation
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We translate ideas into insight. Through interviews, data analysis, and early experiments, we identify what’s worth pursuing and build roadmaps to get there.
Product Management
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We guide teams from concept to launch. Our approach balances scope, speed, and quality to deliver products that meet real-world needs.
Roadmapping & Prioritization
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We help teams plan effectively by focusing on outcomes, not just features. Clear priorities and structured iteration keep progress visible and momentum steady.
Analytics & Performance
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We measure what matters. From adoption to retention, we instrument and analyze performance so teams can make confident, data-driven decisions.
"We see Substantial not as app developers, but as thought partners."
Jennifer Gaze
Head of Smart Lab, Mercedes-Benz