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Series A Companies in Houston

Explore 50 series a startups based in Houston, United States. Access verified founder contact information and fundraising data.

Total Companies
50
Total Funding
$471.1M
Avg Funding
$18.8M
Industries
19

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Aerospace
$250.0M
raised

Covenant is a global defense technology company that builds long-range precision strike weapons.

Sep 2026
Series A

Founder Contacts

41,000+ verified contacts

Analytics
$15.0M
raised

Ours Privacy provides a HIPAA-compliant CDP for secure, privacy-focused data management, analytics, and compliant advertising.

Aug 2026
Series A

Founder Contacts

41,000+ verified contacts

Construction
$10.0M
raised

Buildforce is a marketplace and career lifecycle platform for people in the construction trades

Jul 2026
Series A

Founder Contacts

41,000+ verified contacts

Health Care
$30.0M
raised

TYBR is a medical device company developing a sprayable hydrogel to keep internal organs scar-free after surgery.

Jul 2026
Series A

Founder Contacts

41,000+ verified contacts

Biotechnology
$30.0M
raised

Oorja Bio is is a clinical-stage biotechnology company focused on developing therapies.

May 2026
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Electronic Health Record (EHR)

Koda Health offers digital healthcare solutions and services that focuses on advance care planning and kidney care.

Apr 2026
Series A

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$520K
raised

eCommerce Arena offers premium services to help you start your journey in the $5.2 trillion eCommerce industry.

Apr 2026
Series A

Founder Contacts

41,000+ verified contacts

Manufacturing
$25.0M
raised

Ayr Energy designs, engineers, manufactures, and supplies power transformers, distribution transformers, switchgear, and circuit breakers.

Apr 2026
Series A

Founder Contacts

41,000+ verified contacts

Advanced Materials
$29.4M
raised

NanoTech Materials is a material science company that focuses on using Nano Technology to fireproof and reduce global energy consumption.

Apr 2026
Series A

Founder Contacts

41,000+ verified contacts

Health Care
$13.0M
raised

BrainCheck is a digital platform for cognitive assessment and care that evaluates brain health across clinical and non-clinical settings.

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Biopharma
$17.0M
raised

Pranax is a biotechnology company that develops and commercializes regenerative medicine solutions centered on exosome technology.

Jan 2026
Series A

Founder Contacts

41,000+ verified contacts

$250K
raised

All Hands Craft Cocktails makes ready-to-drink craft cocktails in an “adventure proof” can.

Jan 2026
Series A

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$14.0M
raised

Aurelian is an AI platform designed to automate routes, triage, and resolve non-emergency police calls.

Aug 2025
Series A

Founder Contacts

41,000+ verified contacts

Fitness
$125K
raised

urning every gym machine into an intelligent performance engine.

Jun 2025
Series A

Founder Contacts

41,000+ verified contacts

Information Technology
$124K
raised

oo

May 2025
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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No credit card required
$1.3M
raised

DrillDocs created, CleanSight, a computer vision system that monitors the drilling rig's shale shaker to reduce drilling costs and risks.

May 2025
Series A

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$145K
raised

Ranku Intelligent Networks simplifies operations through AI and IoT technologies to enhance business growth.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

Health Care
$15.0M
raised

Spark Biomedical, Inc. is a medical device company developing non-invasive neurostimulation solutions for opioid withdrawal and addiction.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

Generative AI
$132K
raised

DigItaloRain is an AI-powered IoT platform enabling real-time device monitoring, predictive analytics, and intelligent automation at scale.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

IT Infrastructure
$110K
raised

Making Industries Think Smarter.

Feb 2025
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
Unlimited exports
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Geothermal Energy
$13.6M
raised

ignis H2 Energy is a Geothermal exploration and development company that mainly provides sustainable green energy.

Feb 2025
Series A

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$150K
raised

Weblify AI is a AI Website Builder, SaaS, SEO Optimization, and Smart Content Generator.

Feb 2025
Series A

Founder Contacts

41,000+ verified contacts

Developer Platform
$6.0M
raised

Warmly is the autonomous revenue orchestration platform purpose built for SMB sized revenue teams.

Feb 2025
Series A

Founder Contacts

41,000+ verified contacts

Business Process Automation (BPA)
$126K
raised

AI-driven automation platform streamlining workflows, documents, analytics, and enterprise decision-making at scale.

Jan 2025
Series A

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$150K
raised

NexAIStudio provides a digital platform that uses AI to generate brand visuals, logos, text-to-video ads, and automated storyboards.

Jan 2025
Series A

Founder Contacts

41,000+ verified contacts

Showing 1 to 25 of 50 companies

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