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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
$2.2B
Avg Funding
$86.6M
Global Reach
6
countries

Top Cities for SEM

Goleta
Edinburgh
Santa Clara
Stockholm
Green Bay
London

Recently Funded Companies

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Goleta, United States

Quintessent is a Santa Barbara start-up that commercializes quantum dot-based lasers and photonic integrated circuits.

$40.0M raised
Aug 2026

Founder Contacts

41,000+ verified contacts

Edinburgh, United Kingdom

Singular Photonics develops single-photon avalanche diode image sensors that combine photon detection with on-chip digital processing.

$2.2M raised
Aug 2026

Founder Contacts

41,000+ verified contacts

Santa Clara, United States

Velaura AI develops ultra-low power silicon, systems, and IP for AI accelerators, data centers, and edge and physical AI applications.

$110.0M raised
Aug 2026

Founder Contacts

41,000+ verified contacts

Stockholm, Sweden

Amanda Ai provides a marketing solution for Google Ads, automated using artificial intelligence.

$1.0M raised
Aug 2026

Founder Contacts

41,000+ verified contacts

Green Bay, United States

Lucrative is an AI-based SEM services firm that offers AI, data analysis, artificial intelligence software & technology services.

$500K raised
Aug 2026

Founder Contacts

41,000+ verified contacts

London, United Kingdom

OLIX designs optical AI accelerators that use light-based processors for training and inference on large models.

$312.0M raised
Aug 2026

Founder Contacts

41,000+ verified contacts

Cambridge, United Kingdom

Kubos Semiconductors is develop and commercialize cubic-GaN for high efficiency, low-cost LEDs using intellectual property.

$2.1M raised
Aug 2026

Founder Contacts

41,000+ verified contacts

Santa Clara, United States

Eliyan develops chiplet interconnect and connectivity solutions that improve bandwidth and power efficiency for AI systems.

$145.0M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Baltimore, United States

Oculi is a deep-tech fabless company that offers patented visual AI privacy-first platform with embedded technology for businesses.

$3.0M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

San Jose, United States

Etched is an AI chip startup that designs and manufactures hardware systems optimized for artificial intelligence model inference workloads.

$300.0M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Palo Alto, United States

PsiQuantum develops quantum computer using photonic qubits and silicon photonics to build fault-tolerant quantum computing systems.

$125.0M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Leipzig, Germany

B2B Generative AI Document Search

$4.6M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Atlanta, United States

Carbice is developing a product used to dissipate heat away from product packaging to stop electronic devices from overheating.

Jul 2026

Founder Contacts

41,000+ verified contacts

San Jose, United States

Overlord Labs is building GENESIS™, a next-gen BMS IC platform merging precision analog tech with AI-powered intelligence.

$4.0M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Gothenburg, Sweden

InfiniNode Technologies provides system-on-chip IP for on-chip communication, cache coherence, and network-on-chip design in semiconductors.

$2.3M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Burlingame, United States

Quadric develops semiconductor intellectual property and tools for on-device artificial intelligence computing.

$16.0M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Berlin, Germany

NextGO Epi supplies large-sized, high-quality epiwafers for radio-frequency and power-electronics applications.

$2.3M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Emeryville, United States

ATP Energy offers energy, software and semi-conductor devices for short-term or long-term supply chain and inventory security needs.

$11.0M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Linköping, Sweden

TekSiC develops induction heating furnaces and silicon carbide crystal growth solutions for industrial and research applications.

$1.7M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Sagamihara, Japan

PXP is a green tech development firm that develops clean energy using next-generation photoelectric conversion elements.

$16.0M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Palo Alto, United States

SambaNova is a complete AI platform that delivers AI inference and scalable solutions, providing a seamless integration for agentic AI.

$1.0B raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Mont-saint-guibert, Belgium

e-peas is an innovative semiconductor company developing energy harvesting solutions to help future businesses create battery free products.

$21.9M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Garching Bei München, Germany

QuantumDiamonds develops quantum sensing systems for semiconductor inspection and failure analysis.

$17.1M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Cambridge, United Kingdom

Glitterin Tech develops fabless silicon photonic integrated circuits and optoelectronic systems for spectroscopy and optical computing.

$14.7M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Atlanta, United States

Falcomm is a fabless semiconductor chip startup developing ultra-efficient front-end modules and power amplifiers for the 5G mmWave market.

$11.9M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Showing 51 to 75 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
$86.6M
Total Funding Tracked
$2.2B
Countries Represented
6

Distribution by Funding Stage

Other25 companies

Top Cities for SEM

1.Santa Clara
2 companies$255.0M
2.Cambridge
2 companies$16.8M
3.San Jose
2 companies$304.0M
4.Palo Alto
2 companies$1.1B
5.Atlanta
2 companies$11.9M

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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