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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
$1.8B
Avg Funding
$70.1M
Global Reach
11
countries

Top Cities for SEM

London
Pleasanton
Miami Beach
Boulder
Cologne
La Jolla

Recently Funded Companies

Export
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

Pleasanton, United States

Alif Semiconductor develops AI-enabled microcontrollers and embedded processors for edge computing, IoT, automotive, industrial devices.

$113.4M raised
Mar 2022

Founder Contacts

30,000+ verified contacts

Miami Beach, United States

Pioneering a new era of Mixed Reality Tokens (XRTs) that unlock premium fan experiences in sports and entertainment

$3.0M raised
Mar 2022

Founder Contacts

30,000+ verified contacts

Boulder, United States

Great Sky combines photonics, superconductors, and semiconductors. to develop AI hardware.

$14.0M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Cologne, Germany

Neutron Star Systems develops superconducting propulsion tech, enabling scalable, efficient, sustainable mobility for spacecraft.

$4.0M raised
Mar 2025

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Zero Point Motion develops inertial sensors to enable precision positioning and navigation.

$5.2M raised
Mar 2025

Founder Contacts

30,000+ verified contacts

La Jolla, United States

Astrileux designs advanced engineering technologies that enable high volume manufacturing of next generation integrated circuits (IC) chips.

Mar 2024

Founder Contacts

30,000+ verified contacts

Austin, United States

CleanPlanet Chemical is changing the way companies acquire chemicals and manage waste.

$30.0M raised
Mar 2025

Founder Contacts

30,000+ verified contacts

Milano, Italy

Five Elements Labs is a software company focused on web3 infrastructure and innovative DeFi products.

$1.3M raised
Mar 2022

Founder Contacts

30,000+ verified contacts

Ikoma, Japan

LENZO is a semiconductor company that builds hardware designed for modern parallel workloads from blockchain to AI inference.

$3.2M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

New York, United States

Xscape Photonics provides photonic chips for high-speed connections in high-performance computing systems and data centers.

$37.0M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Høje Tåstrup, Denmark

ATLANT 3D leads atomic-scale manufacturing, innovating in microelectronics, optics, and photonics with digital precision.

$15.0M raised
Mar 2025

Founder Contacts

30,000+ verified contacts

Santa Clara, United States

Celestial AI develops an optical interconnect technology platform for data center and AI computing solutions.

$255.0M raised
Mar 2025

Founder Contacts

30,000+ verified contacts

Nashua, United States

NewPower Worldwide is a global independent distributor of electronic components and finished goods for OEMs and supply chain partners.

$500.0M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Dublin, United States

Amber Semiconductor is a fabless semiconductor company developing advanced power management solutions for AI data centers.

$30.0M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Saratoga, United States

Eridu provides frontier networking solutions for AI, purpose-built to meet the demands of scale-out and scale-up networks.

$200.0M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Stuttgart, Germany

GeQD is a spin-off developing CMOS-compatible single-photon detectors for quantum technologies and next-generation LiDAR systems.

$1.3M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Loganholme, Australia

EcoJoule Energy provides innovative, next-generation power management products and software.

$15.0M raised
Mar 2025

Founder Contacts

30,000+ verified contacts

Palo Alto, United States

SambaNova is an AI hardware and software company that specializes in providing infrastructure for AI and machine learning applications.

$350.0M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Santa Clara, United States

Akeana provides RISC-V processor IP and system solutions, including multi-core processors, interconnects, and hardware accelerators.

$100.0M raised
Feb 2022

Founder Contacts

30,000+ verified contacts

Barcelona, Spain

Semiconductors, Image Sensors, Computer Vision

$2.6M raised
Feb 2023

Founder Contacts

30,000+ verified contacts

Dublin, Ireland

Revolve Renewable Power helps in developing utility-scale renewable energy generation projects with a focus on wind, solar.

$40.0M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Zürich, Switzerland

Post-silicon computing with nanomaterials

$12.0M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Tampere, Finland

Vexlum Provider of high-brightness semiconductor laser technology.

$7.1M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Santa Monica, United States

Neural Command helps companies surface in AI answers and search results across systems like ChatGPT, AI Overviews, and Perplexity.

$2.5M raised
Feb 2025

Founder Contacts

30,000+ verified contacts

Showing 276 to 300 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
$70.1M
Total Funding Tracked
$1.8B
Countries Represented
11

Distribution by Funding Stage

Other25 companies

Top Cities for SEM

1.London
2 companies$15.2M
2.Santa Clara
2 companies$355.0M
3.Dublin
2 companies$70.0M
4.Pleasanton
1 companies$113.4M
5.Miami Beach
1 companies$3.0M

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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