4Silence Overview

  • Founded
  • 2012
  • Status
  • Private
  • Employees
  • 10
  • Latest Deal Type
  • Grant
  • Latest Deal Amount
  • $336K
Latest Deal Amount
  • Investors
  • 4

4Silence General Information


Manufacturer of noise reduction technology products designed to reduce noise pollution in cities. The company's products are installed at ground level next to the road and reduce traffic noise through diffraction, enabling government and contractors to avail cost-effective and sustainable noise reduction products.

Contact Information

Ownership Status
Privately Held (backing)
Financing Status
Venture Capital-Backed
Primary Industry
Other Commercial Products
Other Industries
Environmental Services (B2B)
Primary Office
  • Hengelosestraat 500
  • 7521 AN Enschede
  • Netherlands
+31 06 00000000
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4Silence Valuation & Funding

Deal Type Date Amount Raised to Date Post-Val Status Stage
4. Grant 01-Jul-2019 $336K Completed Generating Revenue
3. Grant 01-Nov-2014 000.00 Completed Generating Revenue
2. Grant 01-Jan-2013 $262K Completed Generating Revenue
1. Later Stage VC Completed Startup
To view 4Silence’s complete valuation and funding history, request access »

4Silence Patents

4Silence Recent Patent Activity

Publication ID Patent Title Status First Filing Date Technology (CPC) Citations
ES-2680844-T3 Sound proof public service, in particular a sound attenuation unit Active 11-May-2015 0000000000
EP-3093391-A1 Sound-proofing utility, especially a sound-attenuating unit Granted 11-May-2015 0000000000 0
EP-3093391-B1 Sound-proofing utility, especially a sound-attenuating unit Active 11-May-2015 0000000000
US-9909269-B2 Diffractor for diffracting sound Active 07-Jul-2013 0000000000 00
CA-2917339-A1 Diffractor for diffracting sound Pending 07-Jul-2013 E01F8/0094
To view 4Silence’s complete patent history, request access »

4Silence Executive Team (4)

Name Title Board Seat Contact Info
Eric de Vries Chief Executive Officer
Rob Groot Chief Financial Officer
Bert Jan Danker Chief Operating Officer
Ysbrand Wijnant Founder & Chief Technology Officer
To view 4Silence’s complete executive team members history, request access »

4Silence Signals

Growth Rate

0.80% Weekly
Weekly Growth 0.80%, 93rd %ile
-35.5%. 530%

Size Multiple

219x Median
Size Multiple 219x, 100th %ile
0.00x 0.95x. 413Kx

Key Data Points

Twitter Followers


Similarweb Unique Visitors


Majestic Referring Domains


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4Silence Investors (4)

Investor Name Investor Type Holding Investor Since Participating Rounds Contact Info
Innovate UK Government 000 0000 000000 0
Accenture Innovation Awards Other 000 0000 000000 0
STW Valorisation Grant Government 000 0000 000000 0
Twente Technology Fund Venture Capital Minority 000 0000 000000 0
To view 4Silence’s complete investors history, request access »