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Siilo is a Business Instant Messaging Software company based in Amsterdam, founded in 2015.

siilo.comLinkedInUpdated Sep 30, 2026
Annual revenue
$6.1M
Nov 2024EST.
Total raised
$17.1M
2 rounds
Employees
47
Dec 2024
Customers
340K

Siilo revenue

Siilo has not published its revenue. ZoomInfo puts it at about $6.1M a year (November 2024).

$0
$2M
$4M
$6M
$4.4M
–
$3.8M
$6.1M
2021202220232024
ReportedEstimateOne figure per year; a reported figure wins over an estimate
All 4 revenue readings, with sources
As ofRevenueSource
Apr 2021$4.4M–
Dec 2023$3.8MEST.GetLatka estimate
Oct 2024$5.7MEST.GetLatka estimate
Nov 2024$6.1MEST.ZoomInfo estimate

– source not recorded

Siilo funding rounds & investors

Siilo has raised $17.1M across two rounds since 2018. The latest was a $11.6M funding round in July 2020.

DateRoundRaised
Jul 2020Funding round$11.6M
Oct 2018Funding round$5.5M
Total raised$17.1M

Siilo CEO, founders & employees

Joost Bruggeman founded Siilo in 2015 and runs it as CEO. Siilo had 47 employees (December 2024, LinkedIn).

0
20
40
60
66
50
47
47
2021202220232024
ReportedOne figure per year; a reported figure wins over an estimate
All 6 headcount readings, with sources
As ofEmployeesSource
Dec 202447LinkedIn
Oct 202447LinkedIn
Dec 202347LinkedIn
Dec 202250LinkedIn
Dec 202166LinkedIn
Apr 202162–

Siilo FAQ

What is Siilo's revenue?

ZoomInfo estimates Siilo's revenue at about $6.1M a year (November 2024). The company hasn't published its own figure.

How much funding has Siilo raised?

Siilo has raised $17.1M across two funding rounds. The latest was a $11.6M funding round in July 2020.

How many employees does Siilo have?

Siilo had 47 employees in December 2024, according to LinkedIn.

Who is the CEO of Siilo?

Joost Bruggeman is the CEO of Siilo and founded the company in 2015.

Who founded Siilo?

Joost Bruggeman founded Siilo in 2015.

How this page is sourced

5 from public sources · 3 estimates. Founder figures link to the second they were said; public figures name their source; estimates are marked EST. and say whose they are. Not financial advice.

Updated Sep 30, 2026Data disclaimerReport a correctionClaim this profileRun Siilo? Join the podcast