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SEM Startups

Updated November 2026

Companies in the sem sector developing innovative solutions and technologies.

Explore 700 recently funded sem companies with verified founder contact information and fundraising data.

Total Companies
700
Total Funding
$2.1B
Avg Funding
$82.9M
Global Reach
7
countries

Top Cities for SEM

Kista
Wollongong
Palo Alto
Antwerp
East Lansing
Austin

Recently Funded Companies

Export
Kista, Sweden

TERASi is a deeptech hardware startup that manufactures pocket-sized, high-frequency wireless radio systems for ultra-secure communications.

$12.6M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Wollongong, Australia

Hysata develops hydrogen electrolyzers aimed at advancing the global transition from fossil fuels to green hydrogen.

$35.0M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Palo Alto, United States

FemtoAI builds ultra-low-power edge AI platform and Sparse Processing Unit (SPU) accelerators to bring efficient AI to everyday devices.

$21.6M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Antwerp, Belgium

Tusk IC is a fabless mmWave IC company that offers IC design for satellite communications, industrial sensing, and medical applications.

$17.2M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Antwerp, Belgium

Tusk IC is a fabless mmWave IC company that offers IC design for satellite communications, industrial sensing, and medical applications.

$17.2M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

East Lansing, United States

Great Lakes Crystal Technologies offers crystal diamond materials for applications.

$2.7M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Austin, United States

AHvos provides private artificial intelligence engines that use contextually responsive technology to analyze data without storing it.

$350K raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Irvine, United States

ChipMango is a semiconductor company that provides chip design and pre-manufacturing engineering services.

$200K raised
Sep 2026

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Lamb Labs is building model processing units that hardcode AI models into silicon for faster, more efficient inference.

$500K raised
Sep 2026

Founder Contacts

41,000+ verified contacts

San Jose, United States

Ayar Labs develops optical I/O solutions with co-packaged optical engines for AI and high-performance computing infrastructure.

$225.0M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Reno, United States

Positron is an AI infrastructure company that designs and supplies purpose-built hardware and software systems for transformer-based models.

$500.0M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

San Francisco, United States

hardware intelligence builds agent-native toolchains and automated design workflows to streamline semiconductor chip development.

$500K raised
Sep 2026

Founder Contacts

41,000+ verified contacts

San Francisco, United States

hardware intelligence builds agent-native toolchains and automated design workflows to streamline semiconductor chip development.

$500K raised
Sep 2026

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Lamb Labs is building model processing units that hardcode AI models into silicon for faster, more efficient inference.

$500K raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Los Altos, United States

TeRAM creates state-of-the-art tailored 3D SRAM for frontier AI deployments, ranging from edge devices to data centers.

$37.0M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Sheffield, United Kingdom

SCI Semiconductor is developing and commercialising next generation, cyber-secure processor devices.

$6.8M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Volantis is a semiconductor manufacturing company that designs and manufactures AI chips optimized for high-performance computing needs.

Sep 2026

Founder Contacts

41,000+ verified contacts

California, United States

Fab2 is a semiconductor technology company that designs and builds chip fabs, manufacturing tools, components, and software in-house.

$500.0M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Seattle, United States

NLM Photonics is a semiconductor techn. company developing cutting-edge electro-optic modulation techn. for networking/computing/sensing.

Sep 2026

Founder Contacts

41,000+ verified contacts

California, United States

Fab2 is a semiconductor technology company that designs and builds chip fabs, manufacturing tools, components, and software in-house.

$500.0M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Syracuse, United States

BQP is enabling real-time Digital Twin with quantum algorithms for mission-critical industries

$4.9M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Valencia, Spain

IPronics develops programmable optical networking systems for AI data centers and high-performance computing infrastructure.

$125.0M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Hanover, Germany

INLEAP Photonics focused on ultra‑fast, solid‑state laser beam‑steering systems for industrial and defense‑related applications.

$23.2M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Santa Clara, United States

Halo Industries develops new laser-based hardware solutions for the manufacturing of substances.

$17.0M raised
Aug 2026

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Keenable.ai is a independent web search infrastructure provider built specifically for AI labs and autonomous agents.

$26.0M raised
Aug 2026

Founder Contacts

41,000+ verified contacts

Showing 26 to 50 of 700 companies

About the SEM Startup Ecosystem

The sem sector is an active area of startup innovation and venture capital investment. Companies in this space are developing new technologies, platforms, and services that address evolving market needs and create new business opportunities.

Funding Trends in SEM

SEM companies raise capital across various funding stages, from early seed rounds to late-stage growth financing. Investor interest in this sector is driven by the size of the addressable market, the pace of technology adoption, and the potential for scalable business models.

Growth Outlook

The sem sector is expected to continue evolving as technology advances, market dynamics shift, and new opportunities emerge. Companies that demonstrate strong product-market fit, efficient growth, and clear competitive advantages are well-positioned to attract continued investment.

SEM Funding Breakdown

Here is how funding is distributed among the 700 sem companies tracked in the VCBacked database.

Average Funding
$82.9M
Total Funding Tracked
$2.1B
Countries Represented
7

Distribution by Funding Stage

Other25 companies

Top Cities for SEM

1.San Francisco
6 companies$28.0M
2.Antwerp
2 companies$34.4M
3.California
2 companies$1.0B
4.Kista
1 companies$12.6M
5.Wollongong
1 companies$35.0M

Related Industries

Companies in the sem sector often overlap with or complement businesses in adjacent industries. Exploring related verticals can help you discover additional companies, identify partnership opportunities, and understand the broader competitive landscape.

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