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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

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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    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

    • Impressive Project Management

      Grinn is noted for its effective project management and the ability to deliver on time and within budget. They maintain clear communication and adapt to client needs, ensuring smooth project execution.

    • 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.

    • 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.

    • 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.

    Grinn Reviews

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    Custom Firmware Development for Medication Adherence Company

    • Custom Software Development IoT Development
    • Confidential
    • Aug. 2023 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    4.0
    Willing to Refer
    5.0

    "Deadlines in this business are always hard, but Grinn has, for the most part, been able to deliver on time."

    Founder & CEO, MedThings
    Bjørn Toreid
    Verified
    • Medical
    • Fredrikstad, Norway
    • 1-10 Employees
    • Online Review
    • Verified

    Grinn provides firmware development services for a medication adherence company. The team is responsible for managing development, creating a working pilot firmware, and releasing the final firmware.

    Custom Software Dev for Coatings Company

    • Custom Software Development Product Design
    • Confidential
    • Apr. 2020 - May 2023
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    4.5
    Willing to Refer
    5.0

    "We are very happy with all of the outcomes."

    Executive, Hempel A/S
    Anonymous
    Verified
    • Chemicals & Biotechnology
    • Denmark
    • 5,001-10,000 Employees
    • Online Review
    • Verified

    Grinn assisted a coatings company with designing hardware and electronics. The team worked in cooperation with the client's mobile app developers, created prototypes, and provided testing support.

    IoT Development for Wireless Speaker System Company

    • Custom Software Development IoT Development
    • $200,000 to $999,999
    • Dec. 2019 - Ongoing
    4.5
    Quality
    4.0
    Schedule
    4.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I've been very impressed with Grinn's ability to understand our needs."

    CEO & Co-Founder, Wireless Speaker System Company
    Anonymous
    Verified
    • Arts, entertainment & music
    • Copenhagen, Denmark
    • 1-10 Employees
    • Phone Interview
    • Verified

    Grinn has developed loudspeaker circuitry and related firmware from scratch for a company developing a wireless speaker system. They've also helped develop the client's wireless transmission technology. 

    IoT Development for Industrial Appliance Maintenance Company

    • IoT Development
    • $50,000 to $199,999
    • May 2019 - Ongoing
    4.5
    Quality
    4.0
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    4.5

    "They've shown great capabilities and competencies."

    CEO, Flowplan
    Marcus Rosholm
    Verified
    • Logistics & Supply Chain
    • Copenhagen, Denmark
    • 11-50 Employees
    • Online Review
    • Verified

    An industrial appliance maintenance company has engaged with Grinn for IoT development. The team has implemented a new design and created new features relevant to network technology and battery.

    IoT Development for Design Solutions Company

    • IoT Development
    • $200,000 to $999,999
    • Apr. 2020 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They offer a complete package of everything needed to create world-class hardware products, from design to production."

    CEO, KONEKT ApS
    Lasse Eriksen
    Verified
    • Design
    • Copenhagen, Denmark
    • 1-10 Employees
    • Online Review
    • Verified

    A design solutions company hired Grinn to provide IoT development services. The team is tasked with various client's projects such as agriculture, smart sensors, and automotive.

    Hardware Dev for Medical Device Company

    • Custom Software Development
    • $200,000 to $999,999
    • Mar. 2017 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    They’ve provided us with high-quality firmware and hardware.”

    Co-Founder, sani nudge
    Anonymous
    Verified
    • Healthcare
    • Copenhagen, Denmark
    • 11-50 Employees
    • Phone Interview
    • Verified

    Grinn provides hardware development services to a sanitization system manufacturer. They develop the electronics and firmware for IoT devices and augment the client’s team with industry-specific expertise. 

    Software Development for Fiber Optics Company

    • Custom Software Development
    • $50,000 to $199,999
    • Jan. 2015 - Jan. 2018
    4.5
    Quality
    4.5
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    4.0

    "Grinn shared their 'can do' mentality and their very practical approach to solving problems."

    CTO, Optics11
    Grzegorz Gruca
    Verified
    • Research
    • Amsterdam, Netherlands
    • 51-200 Employees
    • Online Review
    • Verified

    Grinn was hired by a fiber optics company to develop a fiber optic interrogator. The team implemented the project's hard- and software requirements and was responsible for the CE testing of the final product.

    Electronics & Firmware Dev for Educational Company

    • Custom Software Development
    • $200,000 to $999,999
    • Dec. 2019 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0

    "They’re creative and not locked in their way of thinking."

    Co-founder, Educational Company
    Anonymous
    Verified
    • Arts, entertainment & music
    • Copenhagen, Denmark
    • 1-10 Employees
    • Phone Interview
    • Verified

    A learning platform hired Grinn to design and develop their electronics and firmware. The team incorporated NFC technology and Bluetooth into the software to operate the electronics.

    IoT Development for Tracking Solutions Company

    • IoT Development
    • $200,000 to $999,999
    • Mar. 2020 - Ongoing
    5.0
    Quality
    4.5
    Schedule
    4.5
    Cost
    4.5
    Willing to Refer
    5.0

    "We've run into brick walls many times but the team at Grinn always found ways to get the issues solved."

    CTO, Versa
    Remi Caron
    Verified
    • IT Services
    • Netherlands
    • 11-50 Employees
    • Online Review
    • Verified

    Grinn is in collaboration with a tracking solutions company in creating IoT hardware that will become the client's second tracker. The vendor is also optimizing its firmware and IP components.

    Product Design for Digital Tagging Company

    • Product Design
    • Confidential
    • Jan. 2024 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The specialist we have assigned is very skilled and has a very broad and deep knowledge of many disciplines."

    CTO, Simplewire
    Dennis True
    Verified
    • Construction
    • Denmark
    • 1-10 Employees
    • Online Review
    • Verified

    Grinn has provided product design services for a digital tagging company. They've developed new concepts and created prototypes.

    Showing 1-10 of 13 Reviews

    Services provided

    • SEO
    • Web Development
    • Pay Per click
    • Web design

    Locations (1)

    Strzegomska 140A WrocławPoland 54-429

    50 - 75

    Contact Grinn

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