A U.S. power of attorney from Spain for an LLC owner who can't sign in person

If you own a U.S. LLC from Spain and cannot sign every document yourself, a limited power of attorney lets a specific person in the United States sign on the company's behalf for a defined task. You still have to sign the power of attorney itself, either through a remote online notarization session or at a U.S. consulate in Spain, before anyone can use it.

The part people underestimate is not the signing, it is writing the authority narrowly enough that the receiving party actually accepts it.

Why an LLC owner in Spain reaches for this document

Running a U.S. company from Spain works fine most of the time through email and video calls, until a task needs a physical signature on a specific day: opening a bank account, signing a lease for a warehouse, accepting delivery of equipment, or closing a deal with a supplier who insists on a signature in front of them. A limited power of attorney names a person already in the United States, a co-founder, an employee, or a registered agent contact, and gives them authority to sign that one thing.

Keep the scope narrow, not a blank check

A power of attorney that says your agent can act for the company in general is harder for a bank or a landlord to accept and riskier for you to grant. A version limited to one transaction, one account, or one date range is both easier to get approved and easier to control. Before drafting anything:

• Name the exact task: which account, which lease, which contract.
• Set an end date or an expiration tied to the transaction closing.
• List the company's exact legal name as it appears on the formation certificate, not a trade name or a website brand.

The guide on whether an operating agreement needs to be notarized covers a related question that often comes up at the same time: what a bank wants to see about who can act for the LLC in the first place.

What the party receiving it actually checks

A bank, a title company, or a supplier reading a power of attorney for an LLC usually looks for three things: that the person signing it had the authority to grant it under the company's own operating agreement, that the scope matches what is being signed, and that the signature was properly notarized. Some banks have their own authorization form and will not take a general power of attorney at all. Ask the specific office you are dealing with before drafting anything, since policies differ by institution and sometimes by branch.

Signing it yourself from Madrid, Barcelona or Valencia

As the LLC owner, you are usually the one who signs the power of attorney, since you are the one granting the authority. From Spain, two routes work:

1. Remote online notarization. A commissioned U.S. notary confirms your identity over video and watches you sign electronically, producing a document the recipient can review right away. Confirm first that the bank or the other party accepts a remotely notarized signature.
2. A U.S. consulate appointment. Available by appointment at U.S. consulates in Spain, this route takes longer to schedule but is accepted almost everywhere, which matters if the receiving party is strict about format.

A Spanish notario can certify a signature as well, but the result is a Spanish notarial act, and some U.S. recipients ask for an additional step before relying on a foreign notarization. Ask the recipient which it needs rather than assuming.

Getting the signed original to the person who will use it

Once signed, the original usually needs to physically reach the agent or the institution in the United States before the signing day arrives. Shipping it with a tracked international courier, scanning every page beforehand, and giving the recipient a phone number on the label all reduce the risk of a last-minute scramble. Spain runs several hours ahead of the U.S. East Coast, so scheduling a session in the evening in Spain still leaves a full business day on the American side to review the document before it is used.

A few traps that slow this down

• Granting authority broader than the company's own operating agreement allows the owner to delegate.
• Forgetting to set an expiration, which leaves an open-ended authorization sitting on file after the transaction closes.
• Using the brand name instead of the exact legal entity name, which a bank will flag immediately.

For the legal drafting itself, how much authority to grant and how to word it, an attorney familiar with the company's operating agreement is the right source.

How TR Signing Group handles it

TR Signing Group is a U.S. company based in Bayonne, New Jersey, and takes on everything from a single signature to a full company file. For an LLC owner in Spain, Tanim Raquib, a commissioned New Jersey notary public, holds a remote session timed for the evening in Spain through the international signer service, built around the power of attorney notarization service. The international mailing service then ships the signed original with tracking. See the related guide on notarizing U.S. documents from Spain, or go straight to request a quote.