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SEM Startups

Updated July 2026

Companies in the sem sector developing innovative solutions and technologies.

Explore 654 recently funded sem companies with verified founder contact information and fundraising data.

Total Companies
654
Total Funding
$2.5B
Avg Funding
$99.7M
Global Reach
10
countries

Top Cities for SEM

Espoo
Irvine
Zürich
Goleta
Austin
Lyon

Recently Funded Companies

Export
Espoo, Finland

IQM Quantum Computers builds superconducting full-stack quantum computer systems designed for research institutions and developers.

$57.5M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Irvine, United States

Syntiant is a deep learning tech company providing AI voice and sensor solutions.

Mar 2026

Founder Contacts

30,000+ verified contacts

Zürich, Switzerland

Lumiphase develops novel optical communication chips that are very inexpensive, super compact, and highly efficient.

$2.9M raised
Mar 2022

Founder Contacts

30,000+ verified contacts

Espoo, Finland

Dispelix develops and delivers see-through waveguide combiners that are used as transparent displays in extended reality (XR) devices.

Mar 2024

Founder Contacts

30,000+ verified contacts

Goleta, United States

Aeluma operates as a semiconductor company that specializes in sensors and communications.

$12.0M raised
Mar 2025

Founder Contacts

30,000+ verified contacts

Austin, United States

zapRF slashes product development time and NRE for RF chip teams by synthsizing tapeout ready power amplifiers in hours.

$250K raised
Mar 2024

Founder Contacts

30,000+ verified contacts

Lyon, France

Carbon is a French maker of solar modules.

$2.1M raised
Mar 2025

Founder Contacts

30,000+ verified contacts

Kernersville, United States

WordWoven is an AI-proficient digital marketing consultancy and writing firm.

$250K raised
Mar 2022

Founder Contacts

30,000+ verified contacts

New York, United States

AI for our most pressing crises in silicon.

$50.0M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Atlanta, United States

Plaid Semiconductors offers semiconductor substrates and interposer solutions for multi‑chip computing and high‑performance systems.

Mar 2025

Founder Contacts

30,000+ verified contacts

San Jose, United States

GS Microelectronics provides manufacturing services for custom semiconductor solutions, including chip design, engineering, and power ICs.

$13.0M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Sydney, Australia

Enabling the transition to 2.5D and 3D chiplet stacking and increasing the performance of semiconductor chips to meet the growing demand.

$25.9M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Lausanne, Switzerland

Kandou AI specializes in the design of high-speed, and pin- and energy-efficient chip-to-chip links, SerDes, and associated technologies.

$225.0M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Milpitas, United States

Lumentum Operations is an optical and photonic products manufacturer.

$2.0B raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Tokyo, Japan

Gaianixx is a manufacturing company that conducts research and develops new technologies to advance the semiconductor sector.

$12.7M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Grenoble, France

GreenWaves Technologies develops and distributes application processors for smart battery powered objects

Mar 2023

Founder Contacts

30,000+ verified contacts

Paris, France

Kayrros is an advanced data analytics company that helps global energy market participants make better investment decisions.

$44.1M raised
Mar 2022

Founder Contacts

30,000+ verified contacts

Cork, Ireland

ActionZero is an industry pioneer, developing and deploying ground-breaking, self-funding solutions for a zero-emissions future.

$3.2M raised
Mar 2023

Founder Contacts

30,000+ verified contacts

Beaverton, United States

fJscaler is a manufacturing company that offers semiconductor products for the optical communications market.

$7.5M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Grenoble, France

SteerLight is a startup that develops LiDAR-based optical sensors, also known as laser-based optical systems, to aid with mobility.

$2.2M raised
Mar 2024

Founder Contacts

30,000+ verified contacts

Dalmine, Italy

Resilco provides sustainable solutions for gas purification.

$5.5M raised
Mar 2025

Founder Contacts

30,000+ verified contacts

Koto, Japan

IDDK is an industrial company that offers research, manufacturing, and sales of microscopic observation devices and peripheral technologies.

$536K raised
Mar 2024

Founder Contacts

30,000+ verified contacts

Zürich, Switzerland

AlpsenTek is a company engaged in the research and development of machine vision sensors and algorithms.

Mar 2026

Founder Contacts

30,000+ verified contacts

Madrid, Spain

Eranovum manages the development and construction of renewable energy projects in Spain using new era energy infrastructure.

$18.4M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Catches offers AI-powered knowledge hub software that centralizes and retrieves company information for teams.

$10.0M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Showing 251 to 275 of 654 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 654 sem companies tracked in the VCBacked database.

Average Funding
$99.7M
Total Funding Tracked
$2.5B
Countries Represented
10

Distribution by Funding Stage

Other25 companies

Top Cities for SEM

1.Espoo
2 companies$57.5M
2.Zürich
2 companies$2.9M
3.Grenoble
2 companies$2.2M
4.Irvine
1 companiesUndisclosed
5.Goleta
1 companies$12.0M

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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