About Particle
Particle is a Technology company based in San Francisco (United States) founded in 2011 by Zach Supalla, and was acquired by Digi International in January 2026. IoT connectivity platform from prototype to production is developed. It operates in the Technology, Business Services, and Energy & Utilities sectors. Particle has raised $134.87 million across 8 funding rounds from investors including Digi International, Qualcomm Ventures and Energy Impact Partners. The company has 109 employees. Particle has completed 2 acquisitions, including RedBear and redbearlab.com. Its chief executive, as recorded, is Zach Supalla. Its website particle.io draws about 218 thousand monthly visits. Its focus areas include High Tech, Internet of Things Infrastructure, IoT Platforms and End to End Platforms. Its legal entity is PARTICLE INDUSTRIES, INC. Its competitors include MRI Software, PTC and Span.IO; 2 of its 3 listed competitors have raised funding.
Company details
Founded in 2011 in San Francisco, United States, Particle operates in the Internet of Things sector. A platform is provided to enable connectivity in devices from prototyping through to production phases. Core offerings include the Photon Wi-Fi module and Electron 2G3G cellular module, used by designers and developers for integration purposes. Emphasis is placed on supporting individual creators over enterprise applications.
- Headquarters San Francisco, United States
- Employees 109
- Founders Zach Supalla
- Stage Acquired
- SectorsTechnologyBusiness Services Energy & Utilities
- Website particle.io
- Social LinkedIn X Facebook
- Acquired by Digi International (Jan 2026)
- Legal Name Particle Industries, Inc
- Total Equity Funding$134.87M (USD)
in 8 rounds
- Latest Funding Round$4.96M (USD), Series C
Mar 2025
- InvestorsDigi International
& 13 more
- Employee Count109
- Investments & AcquisitionsRedBear
& 1 more
- Acquired byDigi International
(Jan 2026)
Funding Insights of Particle
Particle has successfully raised a total of $134.87M across 8 strategic funding rounds. The most recent funding activity was a Series C round of $4.96 million completed in March 2025. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $134.87M
- Total Rounds 8
- Last Round Series C — $4.96M
- First Round $4.77M
(Jul 2014)
- Investors Count 13
All 8 funding rounds of Particle with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Mar 2025 | $4.96M | Series C | – | – | – |
| Dec 2022 | $12.19M | Series C | – | – | – |
| Nov 2021 | $30M | Series C | – | – | – |
| Nov 2019 | $40M | Series C | – | Qualcomm Ventures, Energy Impact Partners | |
| May 2018 | $27.67M | Series B | – | Spark Capital | |
| Aug 2017 | $4.87M | Series A | – | – | – |
| Nov 2016 | $10.4M | Series A | – | Root Ventures | |
| Jul 2014 | $4.77M | Series A | – | O'Reilly AlphaTech Ventures, Root Ventures |
14 investors in total: 14 institutional.
Investors in Particle
Particle has secured backing from 14 investors, including venture fund investors. Prominent investors backing the company include Digi International, Qualcomm Ventures and Energy Impact Partners.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Venture capital investing in technology sectors such as AI and automotive. | 2000 | qualcommventures.com | San Diego, United States | |
Venture capital fund focused on growth-stage startups | energyimpactpartners.com | New York, United States | ||
Seed stage venture capital firm investing in deep tech in San Francisco. | root.vc | |||
Investments are directed toward early-stage companies by Bonfire Ventures. | bonfirevc.com | Santa Monica, United States | ||
Investments in private tech ecosystem are made by Industry Ventures. | industryventures.com | San Francisco, United States | ||
Angel Network for Dartmouth based companies | greendventures.com | Manchester, United States | ||
Venture capital investments are facilitated from San Francisco base. | counterpart.vc | San Francisco, United States | ||
Spark Capital is engaged in venture capital investments. | sparkcapital.com | San Francisco, United States | ||
Venture capital and accelerator services are provided across multiple sectors. | sosv.com | Cork, Ireland | ||
US focused VC firm | oatv.com | San Francisco, United States |
Investor details for Particle
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
People of Particle
45 people are tracked at Particle (14 in leadership, 31 in team); the tracked headcount is 109.
| Name | Role | Group |
|---|---|---|
Denise Kozlowski | Owner | Leadership |
Zach Supalla | Co-Founder & CEO | Leadership |
Alyssa Renninger | Senior People Business Partner | Leadership |
Kate Grode | Director Program Management Office | Leadership |
Chi-hung Ma | Director of Hardware Engineering | Leadership |
Nick Lambourne | Chief Technology Officer | Leadership |
David Brown | Head of Sales & Business Development | Leadership |
Andreas Morr | Vice President – Global Manufacturing Operations | Leadership |
Ira Hall | Vp, Finance | Leadership |
Dan Jamieson | Chief Operating Officer | Leadership |
Julien Vanier | Director of Software Engineer at Particle | Leadership |
Stephen Bower | VP Of Sales, Cs, Partnerships | Leadership |
Devin Helton | Director of People Operations | Leadership |
Brian Smith | Head of Sales | Leadership |
Max Cannon | SMB Account Executive | Team |
Mohit Bhoite | Senior Hardware Engineer II | Team |
Cole Abbeduto | Senior Software Engineer I | Team |
Matt Lauer | Engineering Manager | Team |
文军 蒋 | Senior Global Supply Chain Manager | Team |
Carlos Hernandez Barron | Software Developer | Team |
25 more people are available in the full profile.
Complete people profiles for Particle
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
- Board tenure
- Professional contacts
Verified entity values are shown only after access is granted.
Investments & Acquisitions by Particle
Particle has strategically engaged in corporate development activities, having acquired 2 companies. Notable acquisitions include RedBear and redbearlab.com.
| Company Name | Description | Domain | Location | Founded | Acquired | Amount |
|---|---|---|---|---|---|---|
Hardware products for IoT applications are developed by RedBear. | redbear.cc | Hong Kong, China | 2013 | Mar 2018 | •••• | |
Equipment for wireless devices is distributed by RedBearLab. | redbearlab.com | 2011 | Mar 2018 | •••• |
Complete acquisition details for Particle
Acquired stakes, deal sources and the complete acquisition history require an active premium plan.
- Acquired stakes
- Deal sources
- Complete history
- Exports
Verified entity values are shown only after access is granted.
Timeline of Particle
6 dated milestones of Particle across 15 years, from founding to its latest funding, stage changes and deals.
- Founded Particle is founded.
- Funding First funding round of $4.8M.
- Acquisition Acquires RedBear.
- Acquisition Acquires redbearlab.com.
- Funding Latest funding round, Series C, of $5.0M.
- Exit Acquired by Digi International.
Competitors of Particle
Particle has 3 listed competitors in our database, 2 of them funded. They include MRI Software, PTC and Span.IO.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| mrisoftware.com | 1971 | Solon, United States | $125M | 781 | Property management software is provided for residential and commercial properties. | |
| ptc.com | 1985 | Boston, United States | 353 | PTC is recognized as a global leader in product lifecycle management software. | ||
| span.io | 2014 | San Francisco, United States | $255.56M | Smart panels for home energy management are provided by Span.IO. |
Detailed competitors of Particle
The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.
- Full competitor set
- Operating metrics
- Benchmarks
- Competitive positioning
Verified entity values are shown only after access is granted.
Web traffic of Particle
The website of Particle (particle.io) receives about 218.4K visits a month.
- Monthly visits218.4K
▼ 1.1% vs previous month
Websites whose visitors overlap most with Particle. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| crazypi.com | 100% | 19.2K | #1,185,367 | View details | |
tinkersphere.com | tinkersphere.com | 100% | #1,280,627 | – | |
thepihut.com | thepihut.com | 100% | #60,662 | – | |
sparkfun.com | sparkfun.com | 100% | #46,623 | – | |
| hackster.io | 100% | 1.8M | #44,907 | View details | |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 40 similar websites and full traffic analytics for Particle
The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.
- 40 similar websites
- Audience overlap
- Engagement analytics
- Traffic by brand
Verified entity values are shown only after access is granted.
Top companies in Industrial IoT & Smart Manufacturing
3 companies that operate in the same segment as Particle (Industrial IoT & Smart Manufacturing) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
AI-powered cloud-based vehicle tracking solutions are offered for fleet owners. | 2015 | San Francisco, California, United States | USD 915 M | USD 1.62 B | 5,792 | |
Cloud-based smart security cameras are manufactured for home use. | 1999 | Provo, Utah, United States | USD 172 M | USD 341.04 M | 11,275 | |
Cloud-based network infrastructure for IoT applications is provided. | 2004 | Boise, Idaho, United States | USD 154.85 M | USD 8.52 M | 165 |
Unlock complete access to The Company Check
Get unrestricted viewing across everything we track — from companies and brands to investors, funding rounds, acquisitions, financials, and more.
- Unlimited viewing on all profiles Companies, investors, financials, funding, acquisitions & directors
- Full access to every database India & global coverage, advanced filters and rich profile details
- Always-on access from your team account Single premium plan for everything you see on the portal
Related news about Particle
Complete news archive for Particle
Full article history, source details, and older brand coverage require an active premium plan.
- Full article archive
- Source and publication date
- Older coverage
- Brand-specific news history
Verified entity values are shown only after access is granted.
Frequently Asked Questions about Particle
Particle was founded in 2011 and raised its 1st funding round 3 years after it was founded.
Particle is headquartered in San Francisco, United States. It is registered at San Francisco, California, United States.
Zach Supalla is the CEO of Particle, as recorded in our data. They have also founded this company.
Particle is a funded company, having raised a total of $134.87M across 8 funding rounds to date. The company's 1st funding round was a Series A of $4.77M, raised on Jul 2014.
Particle has 109 employees.
Founded in 2011 in San Francisco, United States, Particle operates in the Internet of Things sector. A platform is provided to enable connectivity in devices from prototyping through to production phases. Core offerings include the Photon Wi-Fi module and Electron 2G3G cellular module, used by designers and developers for integration purposes. Emphasis is placed on supporting individual creators over enterprise applications.
Particle's top competitors include Span.IO, PTC and MRI Software.
Particle has made 2 acquisitions, including RedBear, and redbearlab.com.
Particle has 14 investors. Key investors include Digi International, Qualcomm Ventures, Energy Impact Partners, Root Ventures, and Bonfire Ventures.
Particle operates through Particle Industries, Inc.
Yes. Particle was acquired by Digi International in January 2026.
The website of Particle receives about 218 thousand visits a month.