Last updated 2026-07-26
- Raised $20M Series C led by Menora Mivtachim Insurance, May 2021
- Raised $11M Series B, Jun 2017
- Raised $16M Series A, Dec 2013
Total raised
$49.8M
Last: Undisclosed Round 2021-06
Stage
Series D
Founded
1998
Headcount
125
HQ
Ness Ziona, Israel
Sector
Industrial Technologies
About
Silentium develops digital Active Noise Control (ANC) systems that use adaptive algorithms, microphones, speakers, and embedded processing to suppress unwanted sound in real time. The company's technology focuses on compact, cost-effective integration at the noise source or around a specific listener zone. Silentium's solutions are designed to reduce the adverse effects of noise on human health, safety, and privacy, and enable individuals to design their own acoustic experience. Their products are embedded in various market applications worldwide, including automotive, home appliances, HVAC, heavy industry, IT and telecom, server/networking equipment, air treatment, air conditioning machinery, and medical equipment markets.
Funding history · 7 rounds · $49.8M total
2021-05
C Round
$20.0M
★ Menora Mivtachim InsuranceMeitav Dash
2017-06
B Round
$11.0M
2013-12
A Round
$16.0M
2008-12
Seed Extension
Undisclosed
★ Terra Venture Partners
2007-11
Seed
$1.8M
★ Naor Group
1969-12
Convertible Debt
$1.0M
★ iVentures Asia
1969-12
Pre-Seed
Undisclosed
★ Heliant Ventures
Headcount over time
From 64 (2018-09) to 36 (2026-07) · -28 (-44%) · 54 points · source: Finder history + radar grounding
Q&A
- What is Silentium's primary focus?
- Silentium is an Israeli active noise control company that develops embedded, software-defined ANC solutions for low- and mid-frequency noise in automotive, appliance, industrial, and transportation environments.
- When was Silentium founded?
- Silentium was founded in 1998.
- How much total funding has Silentium raised to date?
- Silentium has raised a total of $64.9 million USD.
- What was Silentium's most recent funding round?
- In June 2021, Silentium completed a D Round, raising $20 million. Investors included Menora Mivtachim and Meitav Dash.
- What is the current employee count for Silentium?
- Silentium currently has 36 employees, falling within the 51-200 employee bucket range.
- Has Silentium announced any future public offerings?
- Yes, Silentium has a Public Offering scheduled for June 2026, aiming to raise $15.1 million, with ThinkEquity as a lead investor.
- Where is Silentium's headquarters located?
- Silentium's headquarters is located in Ness Ziona, Israel.
- What are some of the key market applications for Silentium's technology?
- Silentium's technology is embedded in various market applications globally, including automotive, home appliances, HVAC, heavy industry, IT and telecom, server/networking equipment, air treatment, air conditioning machinery, and medical equipment.
Team · 2
Yoel Naor
Founder · Founder
Karina Karimova
Founder · Co-Founder
Sectors & technology
Primary sector
Industrial Technologies
Sub-sectors
Automotive & Mobility TechnologiesAutonomous & ConnectedIndustrial TechnologiesOperational Optimization Solutions
Technologies
SensingAcoustics
Target customers
Real Estate & ConstructionManagementCommercialResidentialIndustrial ManufacturingManufacturing FacilitiesTransportation & LogisticsTransportation InfrastructureAirportsRoad & RailConsumersTransportation & MobilityDriversCommerce & RetailConsumer GoodsHousehold Appliances
Business model
B2CB2B
Highlights
1 PatentsVerified
Tags
smart-homeacoustic-insulationsound-technologynoise-reductionautomotivesmart-mobilityvoice-controlsaas
Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)
External links
| Website | silentium.com/ |
|---|---|
| linkedin.com/company/387937 | |
| facebook.com/Silentium-Ltd-152439211463826 | |
| YouTube | youtube.com/user/SilentiumANC |
Identifiers & details
| Legal name | SILENTIUM LTD. |
|---|---|
| Founded | 1998 |
| Employees (exact) | 125 |
| Offices | China |
Radar intelligence
Patents
| EPO | 26 |
|---|
Publications (Crossref)
| Works | 9 |
|---|
Web history (Wayback)
| Domain | silentium.com |
|---|
Certificate / subdomain footprint
| Subdomains | 10 |
|---|
Israeli Companies Registrar (רשם החברות / ICA)
| Registrar # (ח.פ.) | 512491143 |
|---|---|
| Status | פעילה |
| Corp type | ישראלית חברה פרטית |
| Incorporated | 1997-06-03 |
| Purpose | לעסוק בסוגי עיסוק שפורטו בתקנון |
| Liability | מוגבלת |
| In violation (unfiled) | no |
| Last annual report | 2025 |
| Active charges / liens | 0 |
| Registry events | 6 — shares_capital (3), people (2), charge (1) |
| Registered address | גולדה מאיר 5 נס ציונה |
Recent registry events
| Date | Event |
|---|---|
| 2026-06-24 | שינוי בהרכב הון - מניות-הפחתת הון מוקצה |
| 2026-06-21 | עדכון דירקטורים-הסרת דירקטור |
| 2026-06-16 | העברת מניות |
| 2026-06-14 | עדכון דירקטורים-הוספת דירקטור |
| 2025-12-09 | עדכון שעבוד |
| 2025-11-09 | הקצאת מניות |