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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
$1.1B
Avg Funding
$45.0M
Global Reach
12
countries

Top Cities for SEM

Chandler
Austin
Lausanne
San Jose
Galway
Madrid

Recently Funded Companies

Export
Chandler, United States

Accelerating semiconductor quality control and advanced materials science through AI.

$3.0M raised
Jan 2024

Founder Contacts

30,000+ verified contacts

Austin, United States

Neurophos develops photonic AI processing technology that focuses on hardware solutions for accelerating artificial intelligence inference.

$110.0M raised
Jan 2026

Founder Contacts

30,000+ verified contacts

Lausanne, Switzerland

Corintis develops, produces, and tests microfluidic cooling for data center chips.

$25.0M raised
Dec 2025

Founder Contacts

30,000+ verified contacts

San Jose, United States

Axiado is a security processor company redefining hardware root of trust with hardware-based security technologies, including per-system AI.

$100.0M raised
Dec 2025

Founder Contacts

30,000+ verified contacts

Galway, Ireland

Siren offers an Investigative Intelligence Platform that facilitates search, business intelligence, and information gathering.

Dec 2025

Founder Contacts

30,000+ verified contacts

Madrid, Spain

ALCYON PHOTONICS is a producer of integrated photonic devices.

$1.6M raised
Jan 2025

Founder Contacts

30,000+ verified contacts

Saint Louis, United States

FS2 Business is a deep technology company that focuses on building 3D computing devices using 2D semiconductors.

$3.6M raised
Jan 2025

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Sandbox VR is a virtual reality startup that offers a premium, fully-immersive virtual reality experience.

$6.8M raised
Jan 2025

Founder Contacts

30,000+ verified contacts

Toronto, Canada

Tenstorrent develops AI hardware and software solutions for data processing and machine learning application.

$693.0M raised
Dec 2024

Founder Contacts

30,000+ verified contacts

Los Angeles, United States

Two Bit Circus is an experiential entertainment company helping brands tell their story through immersive and public installations.

$945K raised
Dec 2022

Founder Contacts

30,000+ verified contacts

Cupertino, United States

Efinix is a semiconductor company that designs and develops programmable logic devices, hardware, and software solutions.

Jan 2022

Founder Contacts

30,000+ verified contacts

Villigen, Switzerland

Material analytical and measuring service provider

$400K raised
Dec 2024

Founder Contacts

30,000+ verified contacts

Sunnyvale, United States

Eridan manufactures digital radio units designed to support wireless infrastructure for AI networks and private 5G deployments.

$36.8M raised
Dec 2024

Founder Contacts

30,000+ verified contacts

Leipzig, Germany

B2B Generative AI Document Search

Dec 2024

Founder Contacts

30,000+ verified contacts

Newcastle Upon Tyne, United Kingdom

Wootzano manufactures robots which can sense and feel like humans do using a unique electronic skin, machine learning, and electronics.

$472K raised
Dec 2024

Founder Contacts

30,000+ verified contacts

Romainville, France

Nexdot is the first company worldwide to develop a new generation of Quantum Dots: the Nanoplatelets.

Dec 2022

Founder Contacts

30,000+ verified contacts

Pittsburgh, United States

NovoLINC is a pioneering startup that provides thermal interface solutions.

$10.2M raised
Dec 2025

Founder Contacts

30,000+ verified contacts

Sevilla, Spain

Build to Zero is a climate technology business that specializes in thermal energy storage technology for industrial heat decarbonization.

Dec 2025

Founder Contacts

30,000+ verified contacts

Austin, United States

Mythic develops analog matrix processors and key cards based on analog compute-in-memory.

$125.0M raised
Dec 2025

Founder Contacts

30,000+ verified contacts

Singapore, Singapore

Quantified Energy Labs is a site PV module quality evaluation.

$6.0M raised
Dec 2025

Founder Contacts

30,000+ verified contacts

Montréal, Canada

NXTSENS Microsystems is a performance leading fabless semiconductor company that provides tailored sensing, timing.

$1.9M raised
Dec 2025

Founder Contacts

30,000+ verified contacts

Higashi-hiroshima, Japan

MaterialGate is bio-technology manufacturing company that produces and sells single-molecule dielectrics.

Dec 2024

Founder Contacts

30,000+ verified contacts

Esch-sur-alzette, Luxembourg

Dynaccurate SARL is a start-up company launched in May 2021. Its core product is an AI that provides semantic interoperability

$170K raised
Dec 2021

Founder Contacts

30,000+ verified contacts

Berkeley, United States

Hardware Accelerated Rack Scale AI Agent Runtime

$500K raised
Dec 2025

Founder Contacts

30,000+ verified contacts

Sofia, Bulgaria

The largest provider of expired domains worldwide with 140,000+ domains available for purchase.

$70K raised
Dec 2023

Founder Contacts

30,000+ verified contacts

Showing 501 to 525 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
$45.0M
Total Funding Tracked
$1.1B
Countries Represented
12

Distribution by Funding Stage

Other25 companies

Top Cities for SEM

1.Austin
2 companies$235.0M
2.Chandler
1 companies$3.0M
3.Lausanne
1 companies$25.0M
4.San Jose
1 companies$100.0M
5.Galway
1 companiesUndisclosed

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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654 SEM Startups (2026) — Recently Funded Companies, Investors & Rounds | VCBacked