From Concept to Creation — Smarter Design That Delivers.

  • Product Development

    At S4 Consultancy Group, we offer expert hardware product development and design simulation through our partners, to help companies design, optimize, and scale innovative solutions for the aerospace, automotive, off-highway and consumer electronics industries.

    From concept to production, we work with our partners to guide you through every phase of development - streamlining design processes, and ensuring regulatory compliance. With decades of engineering leadership and cross-industry experience, we empower your team to deliver reliable, high-performance hardware products faster and more cost-effectively.

  • Direct Founder Involvement in All Projects

    While these services are delivered through our trusted network of engineering and manufacturing partners, Shrenik is personally involved in all customer projects, technical discussions, design reviews, and key decisions. You can count on Shrenik’s direct oversight to ensure quality, alignment with your goals, and accountability at every stage of the project.

JUMP TO PRODUCT DESIGN FAQs
  • Architectural blueprint or technical drawing of a structure with grid lines, detailed line work, and sketches of a building component.

    Industrial Design

    We blend form and function through industrial design that enhances usability, manufacturability, and market appeal. From concept sketches to 3D models, we help bring your product vision to life with user-centered design solutions.

  • A person working at a desk with dual monitors displaying technical graphics and data, in an open-plan office setting.

    Mechanical Design

    We specialize in mechanical design that prioritizes performance, durability, and manufacturability. From precision components to complex assemblies, we turn concepts into production-ready mechanical solutions tailored to your application.

  • Close-up of a mechanical component with wiring, gears, and metal parts, likely a part of a machine or robot.

    Electromechanical Design

    We design integrated electromechanical systems that combine mechanical motion, actuators, and control interfaces for high-performance applications. Our solutions are optimized for reliability, manufacturability, and seamless system integration.

  • Computer-generated mesh model of a mechanical part with two colored hemispherical sections connected by a cylindrical shaft, featuring a triangulated surface.

    Multi-physics FEA and CFD

    Multi-physics FEA

    We use advanced finite element analysis (FEA) to simulate structural, thermal, and dynamic performance under real-world conditions. Our multi-physics approach helps optimize designs early, reduce prototyping costs, and ensure product reliability.

    CFD

    Our CFD services provide in-depth analysis of fluid flow, heat transfer, and aerodynamics to improve product efficiency and performance. We help you validate design decisions and solve complex flow challenges across industries.

  • Two individuals working on a laptop in an automotive repair shop, analyzing a flowchart related to car manufacturing or repair processes, with car parts and machinery in the background.

    Testing & Validation

    We provide end-to-end testing and validation services to ensure your product meets performance, safety, and regulatory standards. From functional and durability testing to thermal and vibration analysis, we help de-risk designs before launch.

Our Engagement Models

  • A smiling man in glasses with arms crossed, standing in a home office with a wooden desk, computer monitors, and a window in the background.

    Fractional Leadership

    Get senior-level leadership without a full-time hire. Shrenik steps in as your Fractional VP of Engineering, CTO, or Business Development Lead, offering strategic direction and execution support.

    No overcommitment - guaranteed.

    HIRE ME
  • A black and white photo of a January calendar, a pair of eyeglasses, and part of a notebook or planner.

    Retainer-Based Advisory

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

    HIRE ME
  • A smartwatch on a car dashboard displaying a watch face with time and date, with a car window in the background.

    Time & Material (T & M)

    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.

    HIRE ME
  • A person wearing a suit pointing towards the camera with their index finger, in a close-up black and white photo.

    Success-Based Engagement

    We win when you win.

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

    HIRE ME
  • Hand using a computer mouse on a desk with a keyboard and monitor.

    Workshops & Training

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

    Delivered in-person or virtually.

    CONTACT US
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    One-Stop Partner Network

    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.

    CONTACT US
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    Not sure? No problem

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

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LET'S DISCUSS YOUR NEEDS

Why partner with us?

  • Black and white photo of a man with short dark hair, glasses, and a smartwatch, smiling with arms crossed, against a geometric patterned background.

    Founder-Led Engagement

    When you hire S4 Consultancy, you work directly with Shrenik Shah — not a junior associate. Every project receives senior-level attention, ensuring decisions are fast, focused, and based on real-world experience in engineering leadership and business development.

  • Person in a suit signing a document at a desk with a computer monitor and mouse nearby.

    Access To Key Industry Decision-Makers

    We open doors. Through decades of relationship-building across North America, Europe, and Asia, we maintain trusted connections with senior decision-makers in OEMs, Tier 1s, and manufacturing partners — giving our clients a strategic advantage in business development and collaboration.

  • Nighttime cityscape with illuminated skyscrapers and an abstract light installation resembling glowing wires or light beams crisscrossing in the foreground.

    Trusted Partner Network

    We’ve built a curated network of 5-star partners in design, simulation, plastics and metal manufacturing, embedded systems, and factory automation. This means we can rapidly assemble a high-performance team tailored to your needs — saving you time and reducing risk.

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    Deep, Cross-Industry Experience

    With 25+ years of leadership experience across aerospace, automotive, off-highway and manufacturing, we bring a broad yet highly technical perspective to every engagement. We understand the nuances of regulated industries, rugged environments, mission-critical systems, and scaling complex hardware solutions.

  • A black poster and a white paper with diagrams of a business process planning flow, including stages numbered from 01 to 06, with annotations like 'Stage 1 THE IDEA' and 'Stage 2 FEASIBILITY.' The poster shows a curved timeline with five stages labeled for launching and planning, and the paper illustrates a circular diagram with portions labeled from 01 to 06, highlighting different phases of the process.

    Execution Focused, Not Just Strategy

    We go beyond PowerPoints. Whether it’s accelerating product development, securing manufacturing partners, or building your customer pipeline, we stay involved through execution to ensure measurable impact and sustained results.

  • Five young adults working together on laptops at a table in a bright room, some standing and some sitting, in black and white.

    Flexible, Customer-Centric Approach

    We adapt to your stage and priorities — offering fractional leadership, fixed-scope projects, or full-cycle development support. Our goal is to deliver value that scales with your growth, not overhead that slows you down.

LET'S DISCUSS YOUR NEEDS

Our Current and Past Clients

Renaissance Engineering Partners logo with text
The logo of AES, Advanced Engineering Services, with the company name written below.
Logo for Anthony Roth & Sons, featuring stylized letters 'ARS' in blue and black with the company name below.

FAQs

  • We primarily serve aerospace, automotive, defense, off-highway, medical and consumer electronics industries, bringing over 25 years of cross-sector engineering leadership to each engagement.

  • All design and simulation services are delivered through our trusted network of global engineering and manufacturing partners. However, every project receives direct involvement from Shrenik Shah to ensure quality, alignment, and accountability.

  • Fractional leadership means you get senior-level technical or business development support — such as a VP of Engineering or CTO — on a part-time or as-needed basis, without the cost of a full-time hire.

  • Yes, we provide advanced multi-physics Finite Element Analysis (FEA) and Computational Fluid Dynamics (CFD) services to evaluate structural, thermal, and fluid performance — helping you optimize your designs early and reduce prototyping costs.

  • Absolutely. Whether you need concept design, detailed mechanical drawings, electromechanical integration, or final testing and validation, we tailor our involvement based on your needs.

  • We offer flexible options including:

    • Fractional Leadership

    • Retainer-Based Advisory

    • Time & Material

    • Success-Based Engagement

    • Custom Workshops & Training

  • Yes, through our partner network, we can connect you with trusted manufacturing specialists for plastics, metals, and industrial automation — supporting you from concept to execution.

  • No problem. We’re flexible and will work with you to create a customized engagement plan that fits your project stage, goals, and budget.