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Client portal · portal.bestoptionsllc.com

Your US return, start to finish, from home.

Best Options gives every client a private online space where they answer the questions, send their documents, sign and pay, and follow their return from start to finish, in French or in English.

From your side

Three steps, and you always know where you stand

The firm follows six steps internally. You have three, and your position in the process is shown at all times.

Step 01

Answer the questions

A questionnaire in French or English that adapts to your situation: questions appear and disappear based on earlier answers. Nobody is asked about rental income on a property they never let.

Step 02

Send your documents

Passport, lease, closing statement: a photo is enough. Figures are extracted automatically and confirmed by a preparer. You never transcribe numbers off your own paperwork.

Step 03

Sign and pay

The fee is calculated from your answers and shown before you commit. The engagement letter is signed in the browser and comes back as a PDF. Once paid, the invoice downloads the same way.

A qualified preparer prepares and signs every return. The platform organises the work and does the arithmetic; it does not sign anything.

What actually changes

Especially if you have already filed with us

You do not retype what you already gave us

A first-time file runs to around sixty questions. The following year there are about forty, and most are already filled in from your previous answers and only need confirming.

Everything in your language, not just the screen

You choose French or English once and the whole product follows: the questions, the emails, the reminders, the engagement letter and the invoice. It is not a translated interface with English underneath.

A checklist that keeps itself up to date

You always know what is still missing. Every upload ticks the matching line off by itself, with nobody having to chase you.

A named person, not a generic inbox

The portal shows who is handling your file. Anything you ask from inside the portal reaches that person and stays attached to your record instead of getting lost in an inbox.

One household, two returns, one login

Couples who file two returns switch between them without managing two sets of credentials.

The price before you commit

The fee is worked out from your own answers, shown to you, then written into the engagement letter you sign. No quote to chase, no surprise at the end.

Bilingual

French is not a display setting

Most of our clients live outside the United States and do not speak tax English. That has been the reason the firm exists since 2014, and the portal works the same way: your language is chosen once and applies to everything you receive.

Sign in
portal.bestoptionsllc.com
FrançaisEnglish

2026 Form 1040NR

✓
Questionnaire41 questions, 38 pre-filled
Documents1 of 7 documents missing
Engagement letter and paymentFee shown before signature

Mock-up. To be replaced with the real product screenshots.

Security

You are trusting us with your passport. Here is how it is handled.

Identity numbers encrypted

Passport, ITIN and SSN are encrypted where they are stored.

Private documents

Your documents are reachable only through expiring links, never a public address.

Role-based access

Inside the firm, staff who have no need to see an identity number cannot see one. That is enforced by the system, not by habit.

Full audit trail

Every action on a file is logged.

Who it is for

Non-resident owners of Florida rental property

The portal was built for people who do not live in the United States, own property there, and have to file a US return for it, Form 1040NR.

Understand 1040NR real estate

Frequently asked

I am switching firms, do I have to start over?

No. Your previous returns are the starting point, and the questionnaire only asks for what is missing or what has changed.

Can I do everything from France?

Yes. Questionnaire, documents, engagement letter and payment are all handled online, with no travel and no post.

Who actually prepares my return?

A qualified preparer at the firm, named in your portal. The platform organises the collection and the arithmetic; it does not prepare or file anything on its own.

What if we file two returns in the household?

A single login switches between the two returns.

Start your file

Create your account and answer the first questions. If you would rather talk first, tell us.