We leverage decades of industry experience, our understanding of customer pain-points, and a trusted network across aerospace, automotive, defense, off-highway and medical sectors to connect clients with the right decision-makers, partners, and customers. Our relationship-driven approach accelerates market entry, unlocks growth opportunities, and builds long-term value.

We bridge hardware, software, and manufacturing to create end-to-end technology solutions. From embedded systems and electronics to mechanical integration and factory automation, we align the right partners and expertise to take complex ideas from concept to scalable production.

Our founder, Shrenik Shah offers Fractional Leadership (VP Engineering, CTO, Head of Engineering, Board Member, etc.). His services are designed to help organizations accelerate growth and navigate complex engineering challenges.

We help companies apply artificial intelligence where it delivers real results — automating workflows, accelerating design, and improving decision-making. Whether it’s AI-powered analytics, intelligent dashboards, or autonomous process optimization, our solutions blend technology with practicality to drive measurable growth.

We work with our diligently curated partners who specialize in electrical and mechanical product development - from concept, CAD, and simulation to prototyping, and production.

Our partner teams help optimize performance and reduce time-to-market.

We have options for both 100% US-based and offshore teams, depending on your needs.

We support clients across plastics, metal fabrication, electronics (PCB, PCBA), micro-fabrication (MEMS, micron level fab) and electromechanical assembly with expert guidance from prototyping to full-scale production. Leveraging our deep industry experience and supplier network, we help optimize design for manufacturability, connect with trusted partners, and ensure quality, cost, and delivery targets are met.

Get executive-level leadership without a full-time commitment. Our team — spanning hardware, AI, and systems engineering — steps in as your Fractional VP of Engineering, CTO, CAIO, or Business Development Lead to guide strategy, technology, and execution.

From scaling engineering teams and AI platforms to optimizing product roadmaps and partnerships, we bring hands-on leadership that aligns innovation with business impact.

No overcommitment — just focused expertise when and where you need it most.

Stay agile with a flexible monthly consulting arrangement. Perfect for ongoing technical guidance, BD strategy reviews, or cross-functional team support. 

Engage us on an hourly or daily basis for dynamic needs. Ideal for fast-turn support, technical problem-solving, or early-stage R&D guidance.

We win when you win.

Pay based on results - whether it’s qualified leads, closed deals, or milestone-driven performance in business development.

Upskill your teams with customized sessions on hardware systems, embedded software, or business development.

Delivered in-person or virtually.

At S4 Consultancy Group, we give you access to a trusted global network of specialized partners for product design, simulation, manufacturing, and industrial automation. Whether you're launching a new product or scaling an existing solution, our partners bring deep technical expertise and proven capabilities across every phase. From concept to execution, Shrenik stays personally involved in every engagement - guiding technical reviews, ensuring strategic alignment, and maintaining accountability - so you get the benefits of an extended team with the assurance of experienced leadership.

We are flexible and can always figure out an engagement model that works for you.