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SEM Startups

Updated August 2026

Companies in the sem sector developing innovative solutions and technologies.

Explore 675 recently funded sem companies with verified founder contact information and fundraising data.

Total Companies
675
Total Funding
$1.6B
Avg Funding
$63.1M
Global Reach
12
countries

Top Cities for SEM

Kraków
San Francisco
Baltimore
Sofia
San Jose
Yonkers

Recently Funded Companies

Export
Kraków, Poland

Online sales engine for Experiences; SaaS

$888K raised
Jul 2021

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Idemitsu Renewables is a renewable energy business of Idemitsu Kosan.

$61.0M raised
Jul 2022

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

Sofia, Bulgaria

Renalfa is a clean energy investment group with focus in renewable energy and e-mobility.

$370.3M raised
Jul 2025

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

Yonkers, United States

Hughes Energy Group is a green tech, fiber production company providing a low-carbon solution to recycling organic waste.

$3.7M raised
Jul 2025

Founder Contacts

41,000+ verified contacts

Los Angeles, United States

Qolab is a technology company that engaged in research and development of superconducting quantum computers.

$54.2M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Neuchâtel, Switzerland

CCRAFT is a manufacturer of thin-film lithium niobate and photonic integrated circuits.

$7.8M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Arlington Heights, United States

Tagore Technology is a semiconductor company that manufactures radio frequency products.

$2.0M raised
Jul 2025

Founder Contacts

41,000+ verified contacts

Irvine, United States

AONDevices provides super-low power edge AI solutions, including chips, algorithms, and software.

Jul 2025

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

Zürich, Switzerland

NematX offers novel materials and comprehensive industrial 3D printing solutions for various industries.

$1.5M raised
Jul 2024

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

Leipzig, Germany

B2B Generative AI Document Search

$4.6M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Newport, United Kingdom

CSA Catapult is a non-profit organisation that aims to accelerate growth in sectors that use compound semiconductors.

$3.2M raised
Jul 2023

Founder Contacts

41,000+ verified contacts

Toronto, Canada

Untether AI develops AI chips to enable new frontiers in AI applications.

$125.0M raised
Jul 2021

Founder Contacts

41,000+ verified contacts

West Covina, United States

General Compute provides an ASIC-based cloud inference platform with an OpenAI-compatible API for deploying and serving AI models.

$400.0M 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

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

Takapuna, New Zealand

Basis is an electric smart panel manufacturing company that develops home operating systems using advanced electrical safety technologies.

$15.9M raised
Jul 2024

Founder Contacts

41,000+ verified contacts

San Jose, United States

DreamBig Semiconductor provides Chiplet platform with SMARTNIC/DPU solutions for AI, data centers and storage acceleration.

$75.0M raised
Jul 2024

Founder Contacts

41,000+ verified contacts

Paris, France

Welinq is a quantum computing solution interconnecting processors.

Jul 2024

Founder Contacts

41,000+ verified contacts

Calolziocorte, Italy

EYE4NIR is an image sensor development company.

Jul 2024

Founder Contacts

41,000+ verified contacts

Singapore, Singapore

PhotonicX AI builds optical interconnects for AI clusters, enabling ultra-fast GPU-to-GPU communication for GPU-to-GPU communication.

$2.5M raised
Jul 2024

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

Showing 76 to 100 of 675 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 675 sem companies tracked in the VCBacked database.

Average Funding
$63.1M
Total Funding Tracked
$1.6B
Countries Represented
12

Distribution by Funding Stage

Other25 companies

Top Cities for SEM

1.San Jose
3 companies$379.0M
2.Kraków
1 companies$888K
3.San Francisco
1 companies$61.0M
4.Baltimore
1 companies$3.0M
5.Sofia
1 companies$370.3M

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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