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Seed Companies in New Castle

Explore 36 seed startups based in New Castle, United States. Access verified founder contact information and fundraising data.

Total Companies
36
Total Funding
$127.2M
Avg Funding
$5.1M
Industries
17

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Communities

OurRitual is a digital platform that transforms the way people strengthen and grow their relationships.

Sep 2025
Seed

Founder Contacts

30,000+ verified contacts

Education
$2.8M
raised

RemNote develops a knowledge management platform to enable effective and efficient learning.

Sep 2021
Seed

Founder Contacts

30,000+ verified contacts

$5.3M
raised

The Procurement Workspace for Custom Mechanical Parts

Sep 2025
Seed

Founder Contacts

30,000+ verified contacts

Analytics
$3.0M
raised

Convertedin is a marketing operating system for e-commerce

Aug 2022
Seed

Founder Contacts

30,000+ verified contacts

Biometrics
$5.5M
raised

The Holonym Foundation is an ecosystem of tools to enhance privacy, accessibility, and security of the decentralized web.

Aug 2024
Seed

Founder Contacts

30,000+ verified contacts

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Information Technology
$200K
raised

Funnelll is a SaaS provider that offers startups and SMBs to run their marketing campaigns.

Aug 2021
Seed

Founder Contacts

30,000+ verified contacts

$630K
raised

Blackcopper is a financial service provider that offers investment opportunities, business loans, and lifestyle payments services.

Jul 2022
Pre-Seed

Founder Contacts

30,000+ verified contacts

Financial Services

Payment solution 100% made for independent professionals

Jul 2024
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$6.0M
raised

RevSure.AI helps GTM teams gain full funnel visibility, optimize pipeline performance, and accelerate revenue growth with AI insights

Jun 2023
Seed

Founder Contacts

30,000+ verified contacts

AI Infrastructure
$3.0M
raised

Aethex is developing the voice stack—from enterprise deployment to speech models for new markets.

Jun 2026
Pre-Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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$115K
raised

Shop4me is a B2B marketplace that helps simplify the complex procurement process by connecting businesses with prequalified suppliers.

Jun 2022
Pre-Seed

Founder Contacts

30,000+ verified contacts

Gaming
$1.9M
raised

MegaMod is a game publisher and game development platform.

Jun 2024
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$10.0M
raised

Aha is an influencer marketing platform that connects brands with content creators to deliver results-driven campaigns.

Jun 2026
Seed

Founder Contacts

30,000+ verified contacts

$5.5M
raised

Smart Transactions is a protocol designed to execute transactions.

May 2024
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$300K
raised

Bytescare focuses on providing content security solutions to its customers.

Mar 2022
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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$1.2M
raised

Rexi is an AI-native financial reconciliation tool designed for banks, payment businesses, and contemporary fintechs.

Mar 2026
Pre-Seed

Founder Contacts

30,000+ verified contacts

Stealth Rocket allows developers to build the most reliable and scalable distributed systems via novel tools and services.

Mar 2023
Seed

Founder Contacts

30,000+ verified contacts

AI Infrastructure
$8.5M
raised

AI Infrastructure optimization platform. Zymtrace profiles GPU & CPU workloads with zero instrumentation to cut costs and boost performance

Mar 2026
Seed

Founder Contacts

30,000+ verified contacts

Blockchain
$1.6M
raised

Āut Labs is a suite of DAO-native Tools to expand decentralized communities.

Feb 2022
Pre-Seed

Founder Contacts

30,000+ verified contacts

Blockchain
$4.5M
raised

Dequency is a web3 synchronization licensing marketplace.

Feb 2022
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Generative AI
$7.0M
raised

The only Proactive AI Agent for customer support

Sep 2025
Seed

Founder Contacts

30,000+ verified contacts

Bitcoin
$15.0M
raised

Hemi Labs is a blockchain platform provides scaling, security, and interoperability.

Aug 2025
Seed

Founder Contacts

30,000+ verified contacts

AgTech
$1.0M
raised

We are the anti-waste company keeping food fresher for longer using 100% biodegradable packing technology

Aug 2025
Seed

Founder Contacts

30,000+ verified contacts

Software
$5.0M
raised

Leta Technology is a software development company that creates supply chain and logistics.

Mar 2025
Seed

Founder Contacts

30,000+ verified contacts

Cyber Security
$36.0M
raised

Orchid Security is a network security based company that offers large language models services.

Jan 2025
Seed

Founder Contacts

30,000+ verified contacts

Showing 1 to 25 of 36 companies

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