O
Open Silicon
Open-Silicon is a leader in ASIC Solutions, providing complete semiconductor solutions; from Concept through Volume Production.
About Open Silicon
Open-Silicon, a SiFive company, specializes in transforming ideas into custom System on Chip (SoC) solutions tailored to meet specific time-to-market requirements. The company enhances product value by innovating at every stage of the design process, including architecture, logic, physical design, system integration, software, and Intellectual Property (IP). Open-Silicon continues to partner with clients to deliver fully tested silicon and platforms. The company employs an open business model, allowing it to select the best industry IP, design methodologies, tools, software, packaging, manufacturing, and testing capabilities. Open-Silicon has collaborated with over 150 companies, ranging from large semiconductor and systems manufacturers to high-profile startups. To date, the company has successfully completed 350 designs and shipped over 150 million SoCs and ASICs. Privately held, Open-Silicon employs over 250 people in Silicon Valley.
Source: Dealroom company dataAt a glance
- Status
- Operational
- Founded
- 2003
- Headquarters
- Milpitas, United States
- Employees
- 105
- Open positions
- None listed
- Dealroom signal
- 63.6/100
- Industry
- Semiconductors
- Sector
- Semiconductors, Hard Tech, DT and LS, science-based
- Technology
- Hardware, Deep Tech
- Business model
- Manufacturing
- Client focus
- b2b
Knowledge graph
More headlines
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| SERIES D✓Equity / VC | Mar 2007 | $10M | $40M | Norwest Venture Partners · InterWest Partners · Artis Ventures · Bridgescale Partners | — |
| SERIES C✓Equity / VC | Sep 2005 | $15M | $60M | InterWest Partners · Sequoia · Norwest Venture Partners | — |
Growth signals
Latest recorded traffic for Open Silicon is 210 monthly website visits, up 110% over the last three months. Open Silicon's team declined 4.5% over the past year.
Similar companies
Company identity and context are open; selected comparison metrics preview what is available on the platform.
Investments and acquisitions
Recent portfolio relationships for companies that also act as investors or acquirers.
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Series A2 investors entered at this stage
Series B and later3 investors entered at this stage
InterWest Partners
Bridgescale Partners
Artis Ventures
Source: Dealroom Talent Intelligence.
Global footprint
team presence
Market sentiment
An AI-synthesised read of the highest-engagement posts about Open Silicon on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
See Open Silicon’s full profile on Dealroom
Request a free trial to see the complete deal history, financials, people graph and growth signals.
Takes under a minute. Already use Dealroom? Log in.