About EM4 Inc
EM4 Inc is a Telecommunications company based in Bedford (United States) founded in 2000, and was acquired by Gooch & Housego in December 2010. Provider of active and passive fibre optic components. It operates in the Telecommunications and Technology sectors. EM4 Inc has raised $8 million across 2 funding rounds from investors including CapMan, Gooch & Housego and MMV Financial. The company was acqui-hired. Its focus areas include Semiconductors, Photonics, Optoelectronics and Optical Network. Its competitors include Calix, Mavenir and Ciena; 2 of its 3 listed competitors have raised funding.
Company details
EM4 was founded in 2000 and is based in Bedford, United States. Active and passive fibre optic components are supplied by the company for sectors including defence, manufacturing, and telecommunications. Optics design and manufacturing services are offered, encompassing design, development, production, and testing of optical products. Lasers, photodiodes, transceivers, and pump lasers are incorporated into these products to support various industrial applications.
- Headquarters Bedford, United States
- Stage Acquired
- SectorsTelecommunicationsTechnology
- Emailβ’β’β’β’β’β’β’β’
- Website em4inc.com
- Social LinkedIn
- Acquired by Gooch & Housego (Dec 2010)
- Total Equity Funding$8M (USD)
in 2 rounds
- Latest Funding Round$2M (USD), Debt – Venture
Jul 2008
- InvestorsCapMan
& 4 more
- Acquired byGooch & Housego
(Dec 2010)
Funding Insights of EM4 Inc
EM4 Inc has successfully raised a total of $8M across 2 strategic funding rounds. The most recent funding activity was a Debt β Venture round of $2 million completed in July 2008. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $8M
- Total Rounds 2
- Last Round Debt – Venture β $2M
- First Round $8M
(Dec 2003)
- Investors Count 4
All 2 funding rounds of EM4 Inc with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Jul 2008 | $2M | Debt – Venture | β | β | |
| Dec 2003 | $8M | Series B | β | β |
5 investors in total: 5 institutional.
Investors in EM4 Inc
EM4 Inc has secured backing from 5 investors, including venture fund investors. Prominent investors backing the company include CapMan, Gooch & Housego and MMV Financial.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Tech & Life-Sciences focused Growth stage Venture Debt Firm investing in North America | mmvf.com | Toronto, Canada | ||
Private equity firm | bakercapital.com | New York, United States | ||
| rusticcanyon.com | ||||
Diversified investment management firm | 1989 | capman.com | Helsinki, Finland | |
Manufacturer of the fiber coupled pumped lasers | 1948 | goochandhousego.com | Ilminster, United Kingdom |
Investor details for EM4 Inc
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- Complete investor list
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Timeline of EM4 Inc
4 dated milestones of EM4 Inc across 10 years, from founding to its latest funding, stage changes and deals.
- Founded EM4 Inc is founded.
- Funding First funding round of $8.0M.
- Funding Latest funding round, Debt β Venture, of $2.0M.
- Exit Acquired by Gooch & Housego.
Competitors of EM4 Inc
EM4 Inc has 3 listed competitors in our database, 2 of them funded. They include Calix, Mavenir and Ciena.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| calix.com | 1999 | Petaluma, United States | $107.5M | 1,054 | Communication equipment and software solutions are provided for broadband access. | |
| mavenir.com | 2005 | Richardson, United States | $105.36M | 363 | Multi-access edge networking computing platform is provided for mobile services. | |
| ciena.com | 1992 | Hanover, United States | 412 | Cloud-based network management software is provided for infrastructure planning. |
Detailed competitors of EM4 Inc
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- Full competitor set
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Top companies in Telecom Infrastructure Tech
3 companies that operate in the same segment as EM4 Inc (Telecom Infrastructure Tech) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Cloud networking solutions are delivered via AI and SaaS platforms. | 2004 | Santa Clara, California, United States | USD 1.5 M | USD 7 B | 4,410 | |
Cloud-based network infrastructure for IoT applications is provided. | 2004 | Boise, Idaho, United States | USD 154.85 M | USD 8.52 M | 165 | |
Multi-access edge networking computing platform is provided for mobile services. | 2005 | Richardson, Texas, United States | USD 105.36 M |
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Related news about Em4 Inc
Complete news archive for EM4 Inc
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Frequently Asked Questions about EM4 Inc
EM4 Inc was founded in 2000 and raised its 1st funding round 3 years after it was founded.
EM4 Inc is headquartered in Bedford, United States.
EM4 Inc is a funded company, having raised a total of $8M across 2 funding rounds to date. The company's 1st funding round was a Series B of $8M, raised on Dec 2003.
EM4 was founded in 2000 and is based in Bedford, United States. Active and passive fibre optic components are supplied by the company for sectors including defence, manufacturing, and telecommunications. Optics design and manufacturing services are offered, encompassing design, development, production, and testing of optical products. Lasers, photodiodes, transceivers, and pump lasers are incorporated into these products to support various industrial applications.
EM4 Inc has 5 investors. Key investors include CapMan, Gooch & Housego, MMV Financial, Baker Capital, and Rustic Canyon Partners.
Yes. EM4 Inc was acquired by Gooch & Housego in December 2010.

