Skip to main content

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
$73.9M
Global Reach
8
countries

Top Cities for SEM

San Jose
New York
London
Claymont
Mountain View
Eindhoven

Recently Funded Companies

Export
San Jose, United States

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

$500.0M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

New York, United States

CarbonQuest provides advanced technologies and solutions that enable acceleration of global carbon reduction.

$20.0M raised
Feb 2025

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Tattvam aims to reduce the manual effort required to build custom silicon as global demand for specialised AI processors accelerates.

$1.7M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Claymont, United States

Quantum Machines is a leading provider of quantum control solutions, powering quantum-classical integration at scale with Hybrid Control.

$170.0M raised
Feb 2025

Founder Contacts

30,000+ verified contacts

Mountain View, United States

MatX is an AI semiconductor company that designs custom chips and hardware architectures to support large language models.

$500.0M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Eindhoven, The Netherlands

Axelera AI develops purpose-built AI hardware acceleration technology for computer vision and generative AI applications.

$250.0M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Lochgelly, United Kingdom

Clas-SiC Wafer Fab manufactures silicon carbide power semiconductors.

$15.1M raised
Feb 2025

Founder Contacts

30,000+ verified contacts

London, United Kingdom

EV innovation, drivetrain development, EV app, cleantech EV subscription startup

Feb 2023

Founder Contacts

30,000+ verified contacts

Stockholm, Sweden

Depict is an artificial intelligence company that provides visual merchandising, search, and product recommendations for e-commerce brands.

$17.0M raised
Feb 2022

Founder Contacts

30,000+ verified contacts

Zürich, Switzerland

Lightium is a semiconductor manufacturing company that provides production-grade photonic foundry services.

$164K raised
Feb 2025

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Enki is AI software that helps businesses discover the next perfect opportunities.

$120K raised
Feb 2023

Founder Contacts

30,000+ verified contacts

Richmond, Canada

Emtar Technologies is a fabless integrated circuit design firm focused on AI-driven smart wireless edge computing solutions.

$13.0M raised
Feb 2025

Founder Contacts

30,000+ verified contacts

San Jose, United States

Open-source AI computing infrastructure

$14.7M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Temecula, United States

Paladin Power provides an innovative energy solution for residential and commercial properties.

$635K raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Azusa, United States

Alphacore is a leading-edge process technology nodes for demanding conventional and harsh-environment applications.

$1.1M raised
Feb 2024

Founder Contacts

30,000+ verified contacts

Valladolid, Spain

Articae is a provider of technological solutions and services for optimizing the energy performance of industrial air conditioning.

$216K raised
Feb 2024

Founder Contacts

30,000+ verified contacts

Bengtsfors, Sweden

NSS Water specializes in innovative water purification technology for high-tech sectors such as semiconductors.

$794K raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Toronto, Canada

Taalas develops a platform that converts artificial intelligence models into custom silicon implementations.

$169.0M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Redmond, United States

Lumotive provides optical semiconductor solutions for sensing in various applications.

$59.0M raised
Feb 2025

Founder Contacts

30,000+ verified contacts

Pittsburgh, United States

Efficient Computer develops processor technology focused on improving energy efficiency for compute-intensive workloads.

$60.0M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Eindhoven, The Netherlands

MicroAlign creates fiber array components for photonics, enabling precise micropositioning of multiple optical fibers.

$2.9M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Dresden, Germany

SEMRON develops a 3D-scaled AI inference chip, based on a new proven semiconductor device.

$2.5M raised
Feb 2025

Founder Contacts

30,000+ verified contacts

Goleta, United States

ChipAgents revolutionizes chip design and verification with Agentic AI, boosting RTL productivity 10x for smarter, faster innovation.

$50.0M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Port Coquitlam, Canada

Sharc energy is a renewable energy company that recovers heat from wastewater to provide water heating and space conditioning.

$440K raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Munich, Germany

Codasip is a processor solutions company which uniquely helps developers to differentiate their products

Feb 2025

Founder Contacts

30,000+ verified contacts

Showing 301 to 325 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
$73.9M
Total Funding Tracked
$1.8B
Countries Represented
8

Distribution by Funding Stage

Other25 companies

Top Cities for SEM

1.San Jose
2 companies$514.7M
2.London
2 companies$1.7M
3.Eindhoven
2 companies$252.9M
4.New York
1 companies$20.0M
5.Claymont
1 companies$170.0M

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.

Ready to Connect with SEM Startups?

Perfect for: B2B sales teams targeting sem companies, investors exploring sector opportunities, and service providers looking for funded companies ready to scale.

Get Started - Access Contact Information

Join thousands of sales teams, investors, and service providers using VCBacked