Blackwall is a privately held company. It is backed by 7 investors on record, including AVP and Dawn Capital.

Where is Blackwall headquartered?

Blackwall is headquartered in Tallinn, Estonia.

Who is the CEO of Blackwall?

Nikita Rozenberg is the CEO of Blackwall.

Who founded Blackwall?

Nikita Rozenberg and Denis Prochko are co-founders of Blackwall, founded in 2019.

What products does Blackwall sell?

Blackwall sells Blackwall GateKeeper.

Blackwall

Application SecurityTallinn, Estoniafounded 2019privateblackwall.com ↗

Blackwall is a cybersecurity company specializing in Application Security, founded in 2019 and headquartered in Tallinn, Estonia. It has raised $162.58M in equity across 4 priced rounds, employs about 106 people, and is privately held.

Unlock full profile Book a demo Unlock full profile Book a demo

updated Oct 24, 2026

Latest Blackwall news and company activity

What Blackwall did, dated — selected moves from the record, one per kind, newest first.

Oct 2026Mega roundBlackwall Raises $100M at $2.2B Valuation to Scale Its Global Web Traffic Management Platform for the Hosting Market
Sep 2026RecognitionTopTech Rankings 2026: Blackwall Emerges as New Unicorn in Estonia's Most Valuable Tech Companies
Sep 2026RecognitionBlackwall Named Among 10 CEE & Baltics-Based AI Scale-Ups You Need to Know in 2026
Mar 2026Product launch

Blackwall Momentum score

60/ 100

Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.

Growthlocked

Marketlocked

Financiallocked

Blackwall products

Blackwall GateKeeperWeb security & traffic filtering platform for hosting providersDetails ↗

Blackwall funding

Blackwall has raised $162.58M in priced equity. Its most recent round was a Series C in October 2026. It has 4 funding rounds on record: Seed, Series A, Series B, and Series C. 7 investors are on record, including AVP and Dawn Capital.

Equity raised: $162.58M4 priced rounds
Last round: Series COct 2026

View the complete funding history

Blackwall employees and hiring

As of September 2026, Blackwall has about 106 employees, up 6% over the last 30 days, with 2 open roles.

Employees: 106
30-day change: +6%
Open roles: 2

See hiring trends

Blackwall competitors

Competitors of Blackwall include PIOLINK, Planisys, and SecuriteInfo.com. 48 more are in the platform, with overlap scoring.

matched by product category and features

View all 51 competitors with overlap scores

Get the Mandos Brief, free.

A free Mandos account opens 1 full company profile a month, the moment you click, plus our research articles and the Mandos Brief every Monday. Use your work email.

One full company profile a month
The full Mandos Pacesetters analysis, each quarter
Research articles
The Mandos Brief every Monday

Create a free account

Free with your work email. No card. Includes the Mandos Brief every Monday.

Get the Mandos Brief, free.

A free Mandos account opens 1 full company profile a month, the moment you click, plus our research articles and the Mandos Brief every Monday. Use your work email.

One full company profile a month
The full Mandos Pacesetters analysis, each quarter
Research articles
The Mandos Brief every Monday

Create a free account

Free with your work email. No card. Includes the Mandos Brief every Monday.

The other 440 data points.

Funding historyevery round, every investor named
Headcount growthvelocity, departments, seniority
Open jobs2 live postings, role mix
Tech stackframeworks, clouds, security
Competitorsfull set, overlap scored
Leadershipevery exec, with roles
Customersnamed publicly, with sources
Reviews & newssentiment, coverage, cadence

Create a free account to unlock the full profile of Blackwall.

A free account opens 1 full company profile a month, the moment you click. Mandos Analyst opens 25.

Funding, round by round, with the investors
Headcount, hiring and the people
The timeline of what they did, dated
The Mandos Brief every Monday

Create a free account

Free with your work email. No card. Includes the Mandos Brief every Monday.

The other 440 data points.

Funding historyevery round, every investor named
Headcount growthvelocity, departments, seniority
Open jobs2 live postings, role mix
Tech stackframeworks, clouds, security

Similar in Application Security

Common questions about Blackwall.

How much funding has Blackwall raised?: Blackwall has raised $162.58M in priced equity. Its most recent round was a Series C in October 2026. It has 4 funding rounds on record: Seed, Series A, Series B, and Series C. 7 investors are on record, including AVP and Dawn Capital.
How many people work at Blackwall?: As of September 2026, Blackwall has about 106 employees, up 6% over the last 30 days, with 2 open roles.
Who owns Blackwall?: Blackwall is a privately held company. It is backed by 7 investors on record, including AVP and Dawn Capital.
Where is Blackwall headquartered?: Blackwall is headquartered in Tallinn, Estonia.
Who is the CEO of Blackwall?: Nikita Rozenberg is the CEO of Blackwall.
Who founded Blackwall?: Nikita Rozenberg and Denis Prochko are co-founders of Blackwall, founded in 2019.
Who are Blackwall's competitors?: Competitors of Blackwall include PIOLINK, Planisys, and SecuriteInfo.com. 48 more are in the platform, with overlap scoring.
What does Blackwall do?: Blackwall is a cybersecurity company specializing in Application Security, founded in 2019 and headquartered in Tallinn, Estonia.