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Grinn

Electronic design for a smarter world

Electronic solutions for IoT

At Grinn we build IoT solutions by designing and manufacturing electronic devices. We transform our clients ideas into real products by carrying them through a comprehensive process: from needs analysis to mass production of the devices. We are distinguished by software and hardware competences and a flexible approach that will transform your concept into a tangible solution.

We serve a range of industries

  • Min project size
    $10,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    50 - 249
  • Locations
    Wrocław, Poland
  • Year founded
    Founded 2008

Overview by:

Reviewer avatar
Łukasz Gajda
Chief Technology Officer About the Team

1 Locations

  • Wrocław , Poland

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    Pricing Snapshot

    Min. project size $10,000+
    Avg. hourly rate $50 - $99 /hr
    Rating for cost 4.7 /5

    What Clients Have Said

    Grinn is praised for providing good value for cost, with project investments ranging from $175,000 to $410,000. Clients appreciate their effective communication and problem-solving abilities, though some noted occasional project management issues. Overall, they deliver quality work that meets expectations.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $200,000 - $999,999 based on 8 reviews
    < $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000
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    Highly Rated Similar Providers

    Grinn Review Insights

    Overall Review Rating

    4.8
    • Quality 4.7
    • Schedule 4.4
    • Cost 4.7
    • Willing to Refer 4.8

    Top Mentions

    Review Highlights

    • Excellent Customer Service

      Grinn is commended for its high level of customer service, characterized by responsiveness and attentiveness to client needs. Their customer-focused approach contributes to strong client relationships.

    • Outstanding Problem-Solving Skills

      Grinn is recognized for its ability to solve complex problems and find creative solutions. Their proactive approach and willingness to explore new technologies are highly appreciated by clients.

    • High-Quality Deliverables

      Clients are satisfied with the quality of Grinn's deliverables, which often exceed expectations. The company is praised for its rigorous approach to testing and development, ensuring reliable and effective products.

    • Strong Industry Expertise

      Grinn has demonstrated extensive knowledge across various fields, including IoT, firmware development, and hardware design. Clients appreciate their expertise in specific industries such as electrical installations, healthcare, and Bluetooth communication.

    • Effective and Dedicated Team

      Clients consistently praise Grinn's team for their dedication, competence, and ability to integrate seamlessly into the client's operations. Their commitment to achieving project goals and delivering quality work is highly valued.

    • Room for Improvement in Planning

      Some clients noted that Grinn could improve their planning processes to avoid project delays. Better planning might enhance their already strong project management capabilities.

    Grinn Reviews

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    Project Cost
    Industry
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    Prototype Design & Dev for Electrical Installation Company

    • Product Design
    • $10,000 to $49,999
    • Jan. 2023 - Ongoing
    4.5
    Quality
    5.0
    Schedule
    2.5
    Cost
    4.5
    Willing to Refer
    4.5

    "Their knowledge and personal relations are super good."

    Oct 7, 2024
    CSO, Electrical Installation Company
    Peter Tune
    Verified
    • Construction
    • Copenhagen, Denmark
    • 1-10 Employees
    • Online Review
    • Verified

    An electrical installation company hired Grinn to upgrade their inductive coupling solution. The team developed and completed a system that could add digital markings to electrical wires.

    Hardware Design & Product Dev for Fire Protection Company

    • Custom Software Development IoT Development Product Design
    • Confidential
    • Jan. 2020 - Jan. 2021
    4.0
    Quality
    4.0
    Schedule
    3.0
    Cost
    4.0
    Willing to Refer
    5.0

    "We were happy with the project management."

    Jul 5, 2023
    Marketing Manager, Deltronic Security AB
    Anonymous
    Verified
    • Other industries
    • Sweden
    • 1-10 Employees
    • Online Review
    • Verified

    Grinn was hired by a fire protection company for product development services. They created a low-power wide-area network and were tasked with designing the hardware and testing the product.

    Custom Software Dev for IT Company

    • Custom Software Development IoT Development Product Design
    • Confidential
    • Feb. 2022 - May 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their know-how and competencies are impressive."

    May 3, 2023
    Executive, IT Company
    Anonymous
    Verified
    • Business services
    • Arhus, Denmark
    • 1-10 Employees
    • Online Review
    • Verified

    Grinn provided custom software development services for an IT company. The team built for the client a sensor device that can collect and transmit vibration data.

    Showing 11-13 of 13 Reviews

    Our Story

    We are Grinn - an electronics design company dedicated to building IoT solutions from a scratch. We take care of hardware design, mechanical engineering, embedded software development, and production management tasks.

    Our passion for innovation and commitment to excellence have made us a trusted partner in delivering cutting-edge technology solutions.

    Meet the Team

    Łukasz Gajda

    Łukasz GajdaChief Technology Officer

    What Sets Us Apart

    18+ Years of Unstoppable Development

    With over 18 years in IoT and electronics design, we bring deep expertise to every challenge. Our track record reflects unwavering commitment to quality, adaptability, and cutting-edge technology.

    200+ Delivered Projects

    We've transformed more than 200 ideas into market-ready products across hardware, software, and connected systems. Each project demonstrates our execution excellence from concept to production.

    Multi-Industry Impact

    From smart cities and utilities to MedTech and agriculture, we've built transformative solutions across diverse sectors. Our broad experience ensures we understand your industry and deliver measurable results.

    Quick Facts

    18 years in business

    Locations (1)

    Strzegomska 140A Wrocław, Poland 54-429

    50 - 75

    Contact Grinn

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