Whistle - About the company
Whistle is an acquired company based in San Francisco (United States), founded in 2012. It operates as a Private label brand of tracking devices for dogs. Whistle has raised $21M in funding from Qualcomm and NGP Capital, with last known valuation of $*****. The company has 30 active competitors, including 9 funded and 4 that have exited. Its top competitors include companies like Fi, Halo and SpotOn.
Company Details
Whistle is a private label brand of tracking devices for dogs. Its intelligent monitoring system features a wireless device that attaches directly to a dog’s collar and a mobile app that allows pet owners to know when their dog is walking, playing, or resting. It also helps to monitor fitness & nutrition, health monitoring, location tracking, and more. The company offers free shipping and one year warranty on the products.
- Website
- whistle.com
- Social
- Email ID
- *****@whistle.com
- Phone Number
- +1 **********
- Registered Address
- 17620 MOUNT HERRMANN STREET, FOUNTAIN VALLEY, CA 92708
Key Metrics
Founded Year
2012
Location
San Francisco, United States
Stage
Acquired
Total Funding
$21M in 2 rounds
Latest Funding Round
Last Known Valuation
$***** as on Mar 31, 2016
Ranked
1st among 30 active competitors
Employee Count
20 as on May 31, 2026
Exit Details
Acquired
Legal entities associated with Whistle
Whistle is associated with 1 legal entity given below:
Legal Entity Name | Date of Incorporation | Revenue | Latest Employee Count | Documents |
|---|---|---|---|---|
ANTECH DIAGNOSTICS, INC. CIN: 524131 , United States, Active | Jun 03, 2016 | - | - | - |
Whistle's acquisition details
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Whistle's funding and investors
Whistle has raised a total funding of $21M over 2 rounds. Its first funding round was on Jun 05, 2013. Its latest funding round was a Series B round on Jan 30, 2015 for $*****. 5 investors participated in its latest round. Whistle has 13 institutional investors.
Here is the list of recent funding rounds of Whistle:
Date of Funding | Funding Amount | Round Name | Post-Money Valuation | Revenue Multiple | Lead Investors | Other Investors |
|---|---|---|---|---|---|---|
Jan 30, 2015 | 7659739 | Series B | 9092820 | 1088860 | 8855563 | 9866851 |
Jun 05, 2013 | 4064108 | Series A | 2059406 | 9479896 | 9840124 |
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Whistle's founders and board of directors
Founder? Claim ProfileWhistle's employee count trend
Whistle has 20 employees as of May 26. Here is Whistle's employee count trend over the years:
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Whistle's Competitors and alternates
Top competitors of Whistle include Fi, Halo and SpotOn. Here is the list of Top 10 competitors of Whistle, ranked by Tracxn score:
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Rank | Company Details | Short Description | Total Funding | Investors | Tracxn Score |
|---|---|---|---|---|---|
1st |  Whistle 2012, San Francisco (United States), Acquired | Private label brand of tracking devices for dogs | $21M | 67/100 | |
2nd |  Fi 2017, New York City (United States), Series B | Provider of a smart GPS tracker and activity monitoring solutions for dogs | $40M | 65/100 | |
3rd |  Halo 2017, Plano (United States), Series B | Brand of pet collars | - | 57/100 | |
4th |  SpotOn 2015, Bedford (United States), Unfunded | Manufacturer of GPS dog fence systems and related subscription services | - | - | 56/100 |
5th | Felcana 2015, London (United Kingdom), Seed | Internet first brand offering monitoring devices for cats and dogs | $4.06M | 43/100 | |
6th | Invisible Fence 1973, Tennessee (United States), Acquired | Provider of electronic pet containment systems and training services | - | - | 42/100 |
7th |  Wagz 2015, Hampton Falls (United States), Series A | Private label brand of smart products for pets | $8.23M | 41/100 | |
8th | Pawscout 2014, San Francisco (United States), Seed | Private label brand of Bluetooth-enabled pet tags | $3M | 39/100 | |
9th | Dogtra 2010, Torrance (United States), Unfunded | Manufacturer of smart training collars for dogs | - | - | 37/100 |
10th | Actijoy 2015, San Francisco (United States), Seed | Smart pet care: Track food, water, and activity levels | - | 27/100 |
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Whistle's Investments and acquisitions
Whistle has made no investments or acquisitions yet.
Reports related to Whistle
Here is the latest report on Whistle's sector:
News related to Whistle
Filter this listMedia has covered Whistle for a total of 2 events in the last 1 year, 1 of them has been about company updates.
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PetPace Responds to Whistle Shutdown with Exclusive Offer.Business Wire•Aug 04, 2025•PetPace, Whistle
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Acquisition: Tractive takes over Whistle from Mars Petcare.Trending Topics•Jul 28, 2025•, Mars, Whistle
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Marqeta Announces New Customers Giftbit, Vivian and Whistle, Continuing Embedded Finance MomentumBusiness Wire•Aug 24, 2023•Marqeta, Giftbit, Whistle, Vivian
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Unveiling Next Generation of Pet Care Technology with Whistle™ HealthBusiness Wire•May 17, 2022•Whistle
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Whistle Closes on $3.2 Million Seed Funding RoundRad AI•Mar 03, 2022•Whistle, Dundee Venture Capital, Whistle, M25
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Whistle launches pair of pet wearables that track animal location, activity, and healthThe Star Online•Jul 25, 2019•Whistle
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Whistle buys digital entertainment studio New FormPE Hub•Jan 23, 2019•Whistle, New Form, Whistle Sports
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