When was Silicon Line founded?

Silicon Line was founded in 2005 and raised its 1st funding round 2 years after it was founded.

Where is Silicon Line located?

Silicon Line is headquartered in Munich, Germany.

Which legal entities is Silicon Line associated with?

Silicon Line is associated with Silicon Line Gmbh and 1 other.

How many employees does Silicon Line have?

As of May 31, 2026, the latest employee count at Silicon Line is 28.

Is Silicon Line a funded company?

Silicon Line is a funded company, having raised a total of $26.6M across 3 funding rounds to date. The company's 1st funding round was a $***** Series A round, raised on Dec 19, 2007.

When was the latest funding round of Silicon Line?

Silicon Line's latest funding was a $***** Series B round on Sep 10, 2018, with participation from 4 investors. Its primary sector is Photonics. Globally, the Photonics sector has seen $5.43B in funding in 2026 to date.

Where does Silicon Line rank among its competitors?

Silicon Line ranks 8th amongst 25 active competitors, of which 12 are funded. It stands 7th in terms of total funding among its competitors. The most recent competitor to raise funding was OpenLight, which secured $50M in Apr, 2026.

Who are the top competitors of Silicon Line?

Silicon Line's top competitors include DustPhotonics, Xscape Photonics and SiLC Technologies. Among them, OpenLight secured the most recent funding round in April, 2026.

Silicon Line - 2026 Company Profile, Team, Funding & Competitors

Silicon Line is a series B company based in Munich (Germany), founded in 2005 by Holger Holtke and Martin Groepl. It operates as a Developer of ICs for high-speed optical connections. Silicon Line has raised $26.6M in funding from LRM and Capital-E. The company has 25 active competitors, including 12 funded and 4 that have exited. Its top competitors include companies like DustPhotonics, Xscape Photonics and SiLC Technologies.

Company Details

Silicon line is a developer of ultra-low power optical ink technology, the company develops ICs and integrated solutions for high-speed optical connections based on proprietary low power designs and optical sub-assembly technologies. Products include VCSEL driver, serializer/deserializer, and optical modules. Company products are used for high-resolution displays as well as high-speed data transfer to storage devices.

Website: www.silicon-line.com/
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Key Metrics

Founded Year

2005

Location

Munich, Germany

Stage

Series B

Total Funding

$26.6M in 3 rounds

Latest Funding Round

Series B, Sep 10, 2018, $*****

Investors

LRM & 12 more

Ranked

8^th among 25 active competitors

Employee Count

28 as on May 31, 2026

Similar Companies

DustPhotonics & 24 more

View Silicon Line's full profile

Silicon Line is associated with 2 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
Silicon Line Gmbh CIN: HRB156281 , Germany, Active	Mar 03, 2005	-	-
Silicon Line Gmbh CIN: D2601_HRB156281 , Germany, Active	Mar 04, 2005	-	-

Silicon Line has raised a total funding of $26.6M over 3 rounds. Its first funding round was on Dec 19, 2007. Its latest funding round was a Series B round on Sep 10, 2018 for $*****. 4 investors participated in its latest round. Silicon Line has 8 institutional investors and 5 angel investors.

Here is the list of recent funding rounds of Silicon Line:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Sep 10, 2018	2274528	Series B	4923862	4380765	9866003	3640107
Mar 12, 2015	1258043	Series A	3901004	2937262	6460060	Munich Venture Partners & 1 more
Dec 19, 2007	7950384	Series A	8178842	7545098	1997760	Capital-E & 1 more

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View details of Silicon Line's funding rounds and investors

The founders of Silicon Line are Holger Holtke and Martin Groepl.

Here are the details of Silicon Line's key team members:

Holger Holtke: Co-Founder & CIO of Silicon Line.
Martin Groepl: Founder & CTO of Silicon Line.

View details of Silicon Line's Founder profiles and Board Members

Silicon Line's employee count trend

Silicon Line has 28 employees as of May 26. Here is Silicon Line's employee count trend over the years:

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Top competitors of Silicon Line include DustPhotonics, Xscape Photonics and SiLC Technologies. Here is the list of Top 10 competitors of Silicon Line, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	DustPhotonics 2017, Modi in Maccabim Re ut (Israel), Acquired	Provider of silicon-based photonic ICs	$82M	Sienna, Atreides Management & 14 others	67/100
2nd	Xscape Photonics 2022, New York City (United States), Series A	Developer of photonic chips for high speed connections in data centers and performance computing systems	$95M	Addition, IAG Capital Partners & 8 others	64/100
3rd	SiLC Technologies 2018, Monrovia (United States), Series B	Provider of 4D vision sensing solutions	$78.6M	Dell Technologies Capital, Alter Venture Partners ... & 16 others	63/100
4th	SCINTIL Photonics 2018, Grenoble (France), Series B	Developer of silicon photonic integrated circuits	$78.1M	Supernova Invest, Robert Bosch Venture Capital ... & 14 others	58/100
5th	OpenLight 2022, Goleta (United States), Series A	Provider of silicon photonics and integrated lasers	$84M	Capricorn, Xora Innovation & 8 others	57/100
6th	Skorpios Technologies 2009, Albuquerque (United States), Series B	Innovating silicon photonics for next-generation optical communication products and solutions	$23.2M	Ericsson, T.Capital & 2 others	54/100
7th	Rockley Photonics 2013, Pasadena (United States), Public	Manufacturer of AI, cloud, and silicon-based photonics for high-speed networks	$290M	Morningside, Applied Materials & 15 others	46/100
8th	Silicon Line 2005, Munich (Germany), Series B	Developer of ICs for high-speed optical connections	$26.6M	Capital-E, Munich Venture Partners & 11 others	43/100
9th	SAS Power Semiconductor Devices 2015, Ahmedabad (India), Unfunded	Manufacturer of the discrete semiconductor components	-	-	37/100
10th	IDEADED 2014, Viladecans (Spain), Series B	Developer of semiconductor technologies beyond silicon for computational applications	$25.6M	Escribano Mechanical and Engineering, Sett	36/100