Strategic. Secure. Simplified.

This is where our journey begins. Get to know Sec in One LLC and what we do, and how we're committed to quality and great service. Join us as we grow and succeed together. We're glad you're here to be a part of our story. Professional solutions tailored for your success built with integrity and operational excellence.

What We Do:

Our Services Include:

LLC Formation Assistance
EIN (Tax ID) Application Support
Registered Agent Services (Colorado-based)
Business Compliance Consulting
Document Preparation & Filing
Small Business Administrative Solutions

We handle the paperwork — you focus on building your business.

Footer Snippet / Legal Info:

Sec in One LLC is a Colorado-registered Limited Liability Company. EIN: 99-3167340
Principal Office: 1905 N Sherman St Ste 810, Denver, CO 80203

Why Choose Us?

  • Licensed & Registered in Colorado

  • IRS-Verified EIN Services

  • Experienced Guidance for Startups & Entrepreneurs

  • Personalized Support — Not a Generic Form Mill

Stories told in pixels

Sec in One LLC prides itself on our adaptability and commitment to excellence in every aspect of our service. Explore what we have to offer and how we can contribute to your success.

"I can't say enough about the outstanding service I received from your company. Their team went above and beyond to meet our needs and exceeded our expectations."

Benjamin Wood

"I can't say enough about the outstanding service I received from your company. Their team went above and beyond to meet our needs and exceeded our expectations."

Emma Thompson

"I can't say enough about the outstanding service I received from your company. Their team went above and beyond to meet our needs and exceeded our expectations."

Oliver Hartman