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SiRF Technology

Semiconductors · San Jose, United States · Founded 1995

Manufactures a range of patented GPS chipsets and software for consumer navigation devices and system MoreLess

SiRF Technology, established in 1995, carved a significant niche in the semiconductor industry by pioneering the integration of Global Positioning System (GPS) technology into consumer applications. The company was founded in San Jose, California, by Kanwar Chadha, Sanjai Kohli, and Dado Banatao with the vision of making GPS accessible to the mass market, which was then primarily focused on professional and military use. Kanwar Chadha, an alumnus of IIT Delhi and the Wharton School, brought a potent combination of technical engineering and business strategy to the venture, having previously worked at Intel and founded other tech startups. This background was instrumental in steering the company towards developing affordable, low-power GPS solutions.

The company's business model revolved around the design and sale of patented GPS chipsets and accompanying software to manufacturers of consumer electronics. SiRF supplied its technology to major brands like TomTom, Garmin, Palm, Sony, and Motorola, enabling location awareness in a wide array of devices including car navigation systems, mobile phones, and handheld computers. Revenue was generated through the sale of these semiconductor products and licensing of its intellectual property. A key growth driver was the E911 mandate from the U.S. Federal Communications Commission, which required mobile phone carriers to be able to locate 911 callers, creating a substantial and dependable market for GPS chip integration.

SiRF's product portfolio was centered on its SiRFstar family of chipsets. The SiRFstarIII, launched in 2004, was a particularly impactful product, featuring a 20-channel receiver with high sensitivity (-159 dBm) that could track all visible GPS satellites simultaneously, even in low signal environments. This chip significantly reduced the time-to-first-fix (TTFF) and lowered power consumption, making it ideal for battery-operated handheld devices. The company continuously evolved its offerings, developing system-on-chip (SoC) solutions that integrated GPS with other functionalities like Bluetooth to reduce cost, size, and power needs for device manufacturers. The firm went public with an IPO in April 2004, raising up to $84 million. After years of operation and several strategic acquisitions of its own, SiRF Technology was acquired by the British firm CSR plc in a stock deal completed in June 2009. This move combined SiRF's GPS expertise with CSR's strength in Bluetooth and Wi-Fi, aiming to create a powerhouse for integrated connectivity and location platforms. CSR was subsequently acquired by Qualcomm in 2015.

Keywords: GPS chipsets, SiRFstar, location awareness technology, consumer GPS, semiconductor design, mobile navigation, asset tracking, telematics, fleet management, location-based services, GPS software, system-on-chip, SoC, CSR plc, Qualcomm, Kanwar Chadha, Dado Banatao, Sanjai Kohli, personal navigation devices, automotive navigation, wireless connectivity, GPS modules

Company overview

SiRF Technology company information

The essential company record, classifications and operating signals in one place.

Status
Acquired
Founded
1995
Headquarters
San Jose, United States
Employees
133
Open positions
None listed
Dealroom signal
64.3
Investment activity
1 companies · latest Mar 2003
Capital deployed
Preferred round
ACQUISITION
client focusb2btechnologyHardwaretechnologyDeep Techbusiness modelManufacturingsectorGeopositioningsectorChipssectorSemiconductor Designers and ManufacturerssectorChips and ProcessorssectorHard TechsectorDT and LSsectorscience-basedindustryTelecomindustrySemiconductors

Valuation & funding

SiRF Technology funding history

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
ACQUISITIONOther financing Feb 2009 $0 Cambridge Silicon Radio
IPOOther financing Feb 2004 $100M Undisclosed
SERIES DOther financing Mar 2002 $20M $78M CDIB Capital Group · Tallwood Venture Capital · Dell · Mobile Internet Capital
GROWTH EQUITY VCOther financing May 2000 $25M Hikari Tsushin Group · CDIB Capital Group
SERIES BOther financing Aug 1998 $3M $12M Nokia Corporation
SERIES COther financing Aug 1998 Nokia Corporation · UMC Capital · ICCP Venture Partners · Acer
SERIES AOther financing Mar 1997 Fortune Venture
Showing 7 recorded eventsUnlock the complete deal history →

Financials

Workforce over time

Available workforce history. Financial fields without reported data are omitted.

YearEmployees
2026 133
2025 138
2024 144
2023 144
2022 144
2021 147
2020 142
Company filings, research estimates and Dealroom dataOpen the full financial model →

Growth signals

SiRF Technology website traffic

Latest recorded traffic for SiRF Technology is 150 monthly website visits, down 34.8% over the last three months. SiRF Technology's team declined 3.6% over the past year.

Latest monthly visits150 3-month web change-34.8% 1-year team growth-3.6%
Monthly website visits43 observations · Oct 2017–May 2024
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Comparisons

SiRF Technology compared with similar companies

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Showing 8 of the closest matchesCompare every metric →

Capital deployed

SiRF Technology investments and acquisitions

Recent portfolio relationships for companies that also act as investors or acquirers.

Talent graph

SiRF Technology's talent

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Team profiled 28 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 1 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

12 investors on SiRF Technology's cap table

Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.

Series A 2 investors entered at this stage
Fortune Venture
Nokia Corporation
Series B+ 9 investors entered at this stage
UMC Capital
ICCP Venture Partners
Acer
Hikari Tsushin Group
CDIB Capital Group
Tallwood Venture Capital
Dell
Mobile Internet Capital
Intel Capital
Other known 1 additional known investor
Cambridge Silicon Radio

Global footprint

Where SiRF Technology has talent and traffic

Workforce by country
5 countries with
team presence
🇺🇸 United States64.3%
🇮🇳 India14.3%
🇯🇵 Japan7.1%
🇨🇳 China7.1%
🇸🇬 Singapore7.1%
5 countries shown

In the news

Latest news about SiRF Technology

Recent press, funding announcements, and product moves mentioning SiRF Technology — open to read from the original sources.

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Market sentiment

What the market is saying about SiRF Technology

An AI-synthesized read of the highest-engagement posts about SiRF Technology on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

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

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