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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
$310.2M
Avg Funding
$12.4M
Industries
15

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Recently Funded Companies

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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

30,000+ 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

30,000+ 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

30,000+ verified contacts

Artificial Intelligence (AI)
$5.2M
raised

LTV.ai alters this by utilizing AI and memberships to boostCLTV, and thus earnings.

Jan 2025
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$8.0M
raised

Innovative Health tech with AI Platforms for early disease detection through retinal images

Dec 2024
Series A

Founder Contacts

30,000+ verified contacts

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Finance
$11.0M
raised

Sydecar simplifies SPV and fund formation for venture managers with automated banking, compliance, contracts, and reporting.

Nov 2024
Series A

Founder Contacts

30,000+ verified contacts

Energy Efficiency
$32.3M
raised

Vaulted Deep provides proven technology solutions for permanent carbon removal to promote local environmental and community health.

Oct 2024
Series A

Founder Contacts

30,000+ verified contacts

$8.0M
raised

DocJuris platform empowers legal, sales, and procurement teams to negotiate and close contracts with speed and precision.

Oct 2024
Series A

Founder Contacts

30,000+ verified contacts

3D Technology
$140K
raised

AI-Powered 3D Simulations are Shaping The Future,Innovative technologies, Experiences, Creative Solutions Are Advancing Industries.

Sep 2024
Series A

Founder Contacts

30,000+ verified contacts

Advanced Materials
$4.0M
raised

VenoStent is a tissue engineering medical device company developing bioabsorbable polymer wraps for better outcomes in vascular surgery.

Jun 2024
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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$9.0M
raised

Aeromine Technologies provides wind energy solutions for building environment that is motionless.

May 2024
Series A

Founder Contacts

30,000+ verified contacts

$10.0M
raised

Hamilton Health Box is an onsite direct primary and urgent care microclinic operator for the self-insured employer.

May 2024
Series A

Founder Contacts

30,000+ verified contacts

$17.0M
raised

Sage Geosystem is a transformative geothermal development company.

Feb 2024
Series A

Founder Contacts

30,000+ verified contacts

Health Care
$18.8M
raised

Motif Neurotech is a company that develops minimally invasive bioelectronic implants for monitoring and treating severe mental illnesses.

Jan 2024
Series A

Founder Contacts

30,000+ verified contacts

Biotechnology
$21.5M
raised

Stream Biomedical is a product development company that focuses on developing neuroprotective and neuroreparative therapies.

Jan 2022
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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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

30,000+ verified contacts

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

30,000+ verified contacts

Artificial Intelligence (AI)
$121K
raised

Revolutionizing wellness with AI-driven biohacking tools for optimized health and performance.

Dec 2022
Series A

Founder Contacts

30,000+ 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

30,000+ verified contacts

Biotechnology
$15.0M
raised

Cellenkos is a clinical stage biotech company.

Nov 2021
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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$40.0M
raised

RepeatMD helps aesthetic and wellness practices grow their businesses through an inbound revenue platform that automates revenue generation.

Nov 2023
Series A

Founder Contacts

30,000+ 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

30,000+ verified contacts

Civil Engineering
$17.5M
raised

ZENRG Services offers piping services through fluid transfer services in the oil and gas sector.

Oct 2024
Series A

Founder Contacts

30,000+ verified contacts

$40.0M
raised

A B2B platform connecting global companies for cost-effective chemical sourcing.

Oct 2024
Series A

Founder Contacts

30,000+ verified contacts

$190K
raised

Reduce frustration with empathy-driven responses & smart escalation

Oct 2023
Series A

Founder Contacts

30,000+ verified contacts

Showing 26 to 50 of 50 companies

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50 Recently Funded Series A Startups in Houston (August 2026) — Page 2 | VCBacked