When was Whalebone founded?

Whalebone was founded in 2015 and raised its 1st funding round 6 years after it was founded.

Where is Whalebone located?

Whalebone is headquartered in Brno, Czech Republic. It is registered at Křenová 89/19, 602 00 Brno.

Which legal entities is Whalebone associated with?

Whalebone is associated with Whalebone, s.r.o and 1 other.

How many employees does Whalebone have?

As of Sep 30, 2026, the latest employee count at Whalebone is 188.

Is Whalebone a funded company?

Whalebone is a funded company, having raised a total of $17M across 3 funding rounds to date. The company's 1st funding round was a $***** Series A round, raised on May 05, 2021.

When was the latest funding round of Whalebone?

Whalebone's latest funding was a $***** Series B round on Feb 19, 2025, with participation from 2 investors.

Where does Whalebone rank among its competitors?

Whalebone ranks 5th amongst 60 active competitors, of which 4 are funded. It stands 5th in terms of total funding among its competitors. The most recent competitor to raise funding was Whalebone, which secured $14M in Feb, 2025.

Who are the top competitors of Whalebone?

Whalebone's top competitors include BlueCat, Infoblox and DNSFilter. Among them, Whalebone secured the most recent funding round in February, 2025.

Whalebone - 2026 Company Profile, Funding, Competitors & Financials

Whalebone is a series B company based in Brno (Czech Republic), founded in 2015. It operates as a Provider of DNS filtering based network security solution. Whalebone has raised $17M in funding from Day One Capital and Unbound. The company has 60 active competitors, including 4 funded and 8 that have exited. Its top competitors include companies like BlueCat, Infoblox and DNSFilter.

Company Details

Whalebone provides a network security solution. The solution offered by the company leverages DNS filtering and provides protection against malware, spam, DDoS attacks, and hacking websites. It redirects the malicious traffic, the malware is not able to contact its servers. The solution is available on-premise and cloud.

Website: www.whalebone.io/
Social
Email ID: *****@whalebone.io
Phone Number: +420 **********
Registered Address: Křenová 89/19, 602 00 Brno

Key Metrics

Founded Year

2015

Location

Brno, Czech Republic

Stage

Series B

Total Funding

$17M in 3 rounds

Latest Funding Round

Series B, Feb 19, 2025, $*****

Investors

Day One Capital & 4 more

Ranked

5^th among 60 active competitors

Employee Count

188 as on Sep 30, 2026

Similar Companies

BlueCat & 67 more

View Whalebone's full profile

Whalebone is associated with 2 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Reports
WHALEBONE, S.R.O CIN: 5120403 , Czech Republic, Active		-	-
Whalebone, s.r.o CIN: 5120403 , Czech Republic, Active	May 29, 2016	-	2904 (As on Dec 31, 2019)

Whalebone has raised a total funding of $17M over 3 rounds. Its first funding round was on May 05, 2021. Its latest funding round was a Series B round on Feb 19, 2025 for $*****. 2 investors participated in its latest round. Whalebone has 5 institutional investors.

Here is the list of recent funding rounds of Whalebone:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Feb 19, 2025	5323106	Series B	8733673	7676635	3582364	4094641
Jan 01, 2023	5992112	Grant (prize money)	8749333	8669779	1242780	Europa
May 05, 2021	2056156	Series A	1718988	2817232	Day One Capital	Fazole Ventures

Access funding benchmarks and valuations. Sign up today!

View details of Whalebone's funding rounds and investors

Whalebone's employee count trend

Whalebone has 188 employees as of Sep 26. Here is Whalebone's employee count trend over the years:

Uncover Whalebone's growth story! Sign up today!

Access Tracxn on any website

Our Google Chrome extension lets you view company details while browsing their websites

Install Tracxn Extension

Top competitors of Whalebone include BlueCat, Infoblox and DNSFilter. Here is the list of Top 10 competitors of Whalebone, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	BlueCat 2001, Toronto (Canada), Acquired	Cloud-based DNS and DHCP appliance and security solutions provider	$27.8M	Bridgescale, Trident Capital & 7 others	66/100
2nd	Infoblox 1999, Santa Clara (United States), Acquired	Provider of core network services and security for hybrid enterprises	$71M	Lehman Brothers, Sequoia Capital & 17 others	64/100
3rd	DNSFilter 2015, Washington, DC (United States), Series A	Provider of cloud-based DNS filtering and cyber security solutions	$50.5M	Insight Partners, Arthur Ventures & 4 others	64/100
4th	EfficientIP 2004, Paris (France), Acquired	Hardware and software appliances for IPAM, DNS and DHCP security & management	$16.5M	Jolt Capital, TempoCap & 1 others	56/100
5th	Whalebone 2015, Brno (Czech Republic), Series B	Provider of DNS filtering based network security solution	$17M	Day One Capital, Unbound & 3 others	55/100
6th	Secure 64 2002, Greenwood Village (United States), Series C	Secure DNS solutions for cyberthreat protection and network security	$12.1M	-	45/100
7th	Nominum 1999, Redwood City (United States), Acqui-Hired	Cloud security, computing, and content delivery solutions for optimal online experiences	$45M	SVB, Advanced Technology Ventures & 7 others	43/100
8th	Zorus 2017, Monroe (United States), Acquired	Cloud based endpoint security solutions for managed service providers	$9.4M	ACP Partners, Innospark Ventures & 4 others	41/100
9th	Internet Identity 1996, Santa Clara (United States), Acquired	DNS firewall & threat intelligence based DNS security services	$8M	Bessemer Venture Partners, Tacoma Venture Fund	34/100
10th	Cyber SaaS 2016, London (United Kingdom), Deadpooled	DNS and IP threat defence solution	-	-	31/100