Every business formed or operating in Colorado is legally required to appoint a registered agent. A registered agent is a person or service that is officially designated to receive legal and government documents on behalf of a business. Stable’s registered agent service in Colorado ensures you never miss a state or legal notice with digital access, AI document summaries, filing support, and more.
Every LLC, corporation, or other business entity formed or registered to do business in Colorado must maintain a registered agent. Colorado's requirements are defined under C.R.S. § 7-90-701 and are administered by the Colorado Secretary of State. Key requirements include:
Colorado has used the term "Registered Agent" and "registered agent"; these refer to the same role.
Any Colorado resident who is 18 or older with a qualifying physical address can serve as their own registered agent. In practice, however, this creates meaningful risk for business owners:
You must be present at your registered agent address during all business hours, every weekday. If you're traveling, at a client meeting, or working remotely, you risk missing a service of process notice. A missed legal notice can result in a default judgment against your company before you even know a lawsuit was filed.

And because Stable operates a virtual mailbox, every piece of registered agent mail received is immediately scanned and uploaded to the Stable dashboard where you view and act on it from anywhere.
Here's how:
Choose your new registered agent. Select a commercial registered agent service like Stable that meets Colorado's requirements — a physical Colorado address, availability during business hours, a valid Colorado ID number, and good standing status with the Secretary of State.
Choose your new registered agent. Select a commercial registered agent service like Stable that meets Colorado's requirements — a physical Colorado address, availability during business hours, a valid Colorado ID number, and good standing status with the Secretary of State.
Choose your new registered agent. Select a commercial registered agent service like Stable that meets Colorado's requirements — a physical Colorado address, availability during business hours, a valid Colorado ID number, and good standing status with the Secretary of State.
Choose your new registered agent. Select a commercial registered agent service like Stable that meets Colorado's requirements — a physical Colorado address, availability during business hours, a valid Colorado ID number, and good standing status with the Secretary of State.
Choose your new registered agent. Select a commercial registered agent service like Stable that meets Colorado's requirements — a physical Colorado address, availability during business hours, a valid Colorado ID number, and good standing status with the Secretary of State.
Stable's registered agent service comes with automated filing support that makes it simple to switch registered agents in Colorado.
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A business change of address is the process of updating your company's official address with the government agencies, financial institutions, and vendors your business works with. Unlike moving as an individual, a business address change involves multiple separate steps across USPS, the IRS, your Secretary of State, your bank, and your service providers.
Go to moversguide.usps.com and file a Change of Address form. Select "Business," enter your old and new addresses, and verify your identity with a credit or debit card. If your new address is a private mailbox or virtual address, use "PMB" as the unit designator (e.g., 123 Main St PMB 100) as required by USPS.
File IRS Form 8822-B (Change of Address or Responsible Party — Business) and mail it to the address listed in the form instructions. Alternatively, you can update your address when you file your next business tax return.
In most states, yes. If your business is an LLC or corporation, your registered address is part of the public record and needs to be kept current. The filing process varies by state — most allow you to update online through the state's business filing portal.
PMB stands for Private Mail Box. It's the designation USPS uses for addresses managed by a Commercial Mail Receiving Agency (CMRA) — like a virtual mailbox provider or a UPS Store. USPS requires the PMB designation when filing a Change of Address to a private mailbox address.
Form 1583 (Application for Delivery of Mail Through Agent) authorizes a CMRA to receive mail on your behalf. The mail authorization form, or USPS 1583 form, gives a CMRA permission to accept and handle mail under you or your business’s name. CMRAs are required by USPS to have a signed copy of this form on file in order to ensure that a real person or entity is linked to the mailbox. Typically, you would need to fill this out yourself and get it notarized. With a Stable address, we’ll pre-fill this form for you and verify your identity in a few easy steps and at no charge, so all you need to do is answer a few questions. It only takes about 5 minutes.
Typically 7–10 business days. Once active, you'll see a yellow forwarding sticker on redirected mail.
Periodicals (magazines) are forwarded for 60 days, while Marketing Mail is typically discarded. While the standard service is 12 months, you can now pay for Extended Mail Forwarding in 6, 12, or 18-month increments, allowing for up to 30 months total of redirection.
If forwarding is active, USPS will redirect the mail to your new address for up to 12 months. After that, mail sent to your old address won't reach you. That's why we recommend working through a systematic checklist — so nothing important gets missed before forwarding expires.
No. It's more manageable to work through it category by category — starting with USPS forwarding to catch any mail in transit, then moving to government entities (IRS, Secretary of State), then financial institutions, then vendors. Stable's change of address checklist helps you track your progress.
Yes. Stable addresses are real street addresses (not PO Boxes) that can be used as your business mailing address, and in many cases as your official business address with the IRS, your bank, vendors, and other entities. One of the advantages of a Stable virtual address is that, once it’s in place, you never need to change your address again: if you relocate, go remote, or grow, your address travels with you. Read this case study to see this in action.
In most cases, yes. If your registered business address changes, whether you are using a virtual address or not, you’ll need to update it with the Secretary of State through a formal amendment or statement of change. A virtual address, like those available through Stable, is a real street address and can be used as your official business address in most states. However it cannot be used as your registered agent address, which requires a separate designation. Stable also provides registered agent services in all 50 states.
After you sign up and complete onboarding, Stable builds you a personalized change of address checklist based on your business situation. It includes step-by-step instructions, pre-filled forms, progress monitoring, and more. We can even schedule a live walkthrough with a member of our support team.