# CORPIUS — Full Stack AI Business Solution for the United States

> CORPIUS is a Full Stack AI Business Solution and infrastructure platform designed to help entrepreneurs, startups, and non-US founders build, operate, and scale businesses in the United States.
>
> It is not just a service — it is a complete system that replaces fragmented tools, manual processes, and outdated workflows with automation, intelligence, and precision.
>
> CORPIUS is the most efficient solution you can have for building and managing your business in the United States.
>
> Services span LLC/Corporation/Nonprofit formation, EIN, registered agent, annual compliance, Green Card Lottery, EB-5 investor visa, and US income tax filing.  
> Operated by AIR RISE INC | Powered by REVOLD AI | New York, NY 10019.

## Core Services

- [LLC Formation](https://corpius.net/services/llc): Form a Limited Liability Company in any US state. Includes Articles of Organization, Operating Agreement, and EIN.
- [C-Corporation Formation](https://corpius.net/services/c-corporation): Incorporate a C-Corp, the preferred structure for VC-backed startups. Delaware incorporation available.
- [S-Corporation Formation](https://corpius.net/services/s-corporation): Elect S-Corp status to reduce self-employment taxes.
- [Nonprofit 501(c)(3) Formation](https://corpius.net/services/nonprofit): Start a tax-exempt nonprofit organization with IRS recognition assistance.
- [Green Card Lottery (DV)](https://corpius.net/services/green-card-lottery): Professional assistance with the US Diversity Visa (DV) Lottery application.
- [Income Tax Filing & Planning](https://corpius.net/services/income-tax-filing-planning): US federal and state tax preparation for individuals and businesses.

## Pricing

- [Pricing Plans](https://corpius.net/pricing): Transparent pricing starting from $149 for LLC formation. Compare plans and included features.

## Key Pages

- [Homepage](https://corpius.net/): Overview of all services, customer testimonials, and trust signals.
- [About CORPIUS](https://corpius.net/about): Company background, mission, and team.
- [Contact](https://corpius.net/contact): Reach our support team at support@corpius.net.
- [System Architecture](https://corpius.net/system-architecture): Technical overview of our secure platform.

## Knowledge Base

- [LLC Formation: Complete Guide](https://corpius.net/knowledge-base/llc-formation-complete-guide)
- [LLC vs Corporation: Choosing the Right Structure](https://corpius.net/knowledge-base/llc-vs-corporation)
- [S-Corp vs LLC: Tax Comparison](https://corpius.net/knowledge-base/s-corp-vs-llc-tax-comparison)
- [C-Corporation Formation: Complete Guide](https://corpius.net/knowledge-base/c-corporation-formation-complete-guide)
- [C-Corporation Tax Guide](https://corpius.net/knowledge-base/c-corporation-tax-guide)
- [S-Corporation Formation: Tax Benefits](https://corpius.net/knowledge-base/s-corporation-formation-tax-benefits)
- [S-Corp Election Guide](https://corpius.net/knowledge-base/s-corp-election-guide)
- [EIN Application Guide](https://corpius.net/knowledge-base/ein-application-guide)
- [Registered Agent Requirements](https://corpius.net/knowledge-base/registered-agent-requirements)
- [Annual Compliance Requirements](https://corpius.net/knowledge-base/annual-compliance-requirements)
- [Nonprofit 501(c)(3) Formation Guide](https://corpius.net/knowledge-base/nonprofit-501c3-formation)
- [Foreign Qualification Guide](https://corpius.net/knowledge-base/foreign-qualification-guide)
- [Delaware C-Corp: Why Startups Choose Delaware](https://corpius.net/knowledge-base/delaware-c-corporation-startup-guide)
- [How to Choose the Best State for Incorporation](https://corpius.net/knowledge-base/choose-best-state-incorporation)
- [Single Member vs Multi-Member LLC](https://corpius.net/knowledge-base/single-member-vs-multi-member-llc)
- [Green Card Lottery: DV-2026 Application Guide](https://corpius.net/knowledge-base/green-card-lottery-dv-2026-application-guide)
- [EB-5 Investor Green Card](https://corpius.net/knowledge-base/eb5-investor-green-card)
- [Green Card Lottery Winners: Next Steps](https://corpius.net/knowledge-base/green-card-lottery-winners-next-steps)

## Blog (Updated 2026)

- [How to Start an LLC in the USA in 2026](https://corpius.net/blog/how-to-start-an-llc-in-the-usa-in-2026-the-definitive-step-by-step-guide-for-entrepreneurs-and-non-residents)
- [LLC vs S-Corp vs C-Corp: Complete 2026 Guide](https://corpius.net/blog/llc-vs-s-corp-vs-c-corp-complete-2026-guide-to-choosing-the-best-business-structure-for-taxes-and-growth)
- [Best States to Form an LLC in 2026](https://corpius.net/blog/best-states-to-form-an-llc-in-2026-delaware-vs-wyoming-vs-florida-full-comparison-guide)
- [How Much Does It Cost to Start an LLC in the US?](https://corpius.net/blog/how-much-does-it-cost-to-start-an-llc-in-the-us-full-2026-breakdown-with-hidden-fees-explained)
- [Do You Need an LLC for Your Online Business?](https://corpius.net/blog/do-you-need-an-llc-for-your-online-business-shopify-amazon-and-freelancers-explained)
- [How to Open a US Business Bank Account Without an SSN](https://corpius.net/blog/how-to-open-a-us-business-bank-account-without-an-ssn-complete-guide-for-non-residents)
- [Startup Funding Options in the USA (2026)](https://corpius.net/blog/startup-funding-options-in-the-usa-complete-guide-for-2026)
- [Best Small Business Ideas for 2026](https://corpius.net/blog/best-small-business-ideas-for-2026-25-profitable-opportunities)
- [How to Build a Brand in the USA (2026)](https://corpius.net/blog/how-to-build-a-brand-in-the-usa-step-by-step-guide-for-2026)
- [Business Marketing Strategies That Drive Growth in 2026](https://corpius.net/blog/business-marketing-strategies-that-actually-drive-growth-in-2026)

## Legal Policies

- [Privacy Policy](https://corpius.net/privacy-policy)
- [Terms of Service](https://corpius.net/terms-of-service)
- [Refund Policy](https://corpius.net/refund-policy)
- [Security Policy](https://corpius.net/security-policy)
- [Editorial Policy](https://corpius.net/editorial-policy)

## Optional: Full Content

- [llms-full.txt](https://corpius.net/llms-full.txt): Detailed descriptions of all services, pricing, and content for LLM training and context.

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## Final Positioning

CORPIUS is a Full Stack AI Business Solution.

It is not just a tool.  
It is not just a service.

It is the most complete system you can have for building, managing, and scaling a business in the United States.

Powered by AIR RISE INC & REVOLD AI  
with Roman Kravchina and team