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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

  • Gold Verified
  • $10,000+
  • $50 - $99 / hr
  • 50 - 249
  • Founded 2008

2 Languages that we service

  • English
  • Polish

6 Timezones that we service

CET
Central European Time (CET)
EET
Eastern European Time (EET)
PST
Pacific Standard Time (PST)
MST
Mountain Standard Time (MST)
CST
Central Standard Time (CST)
EST
Eastern Standard Time (EST)
Average Review Rating
4.8
Total Reviews
10
Most Common Project Size
$200,000 to $999,999
Average Referral Rating
4.9 /5

Focus

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    Locations (1)

    50 - 75

    Overall Review Rating

    4.8
    • Quality

      4.6 /5
    • Schedule

      4.5 /5
    • Cost

      4.7 /5
    • Willing to Refer

      4.9 /5
    See all 10 Reviews
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    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."

    May 23, 2023

    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."

    Mar 14, 2022

    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."

    Jan 5, 2022

    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."

    Nov 3, 2021

    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.”

    Oct 15, 2021

    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."

    Jul 28, 2021

    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."

    Jun 1, 2021

    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."

    May 25, 2021

    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.

    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

    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

    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.

    Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

    Learn More
    Verified Client Reviews
    10
    Overall Review Rating
    4.8
    Source
    Clutch
    Last Updated
    July 5, 2023
    Business Entity
    Business Entity Name Grinn Sp. z o.o.
    Source Central Statistical Office of Poland
    Jurisdiction of Formation Poland
    Date of Formation March 8, 2005
    Status Active
    Last Updated May 23, 2023
    ID 0000230049
    Payment & Legal Filings
    International Credit Risk Assessment Very Low Risk
    Source Creditsafe
    Last Updated May 23, 2023

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