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Firstbase.io
Company OS — launch, run, and manage U.S. businesses from anywhere.
5.0

( 26 )

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Firstbase.io Reviews: 5.0/5 — Highly Rated

Firstbase.io Overview
What is Firstbase.io?

Firstbase.io is a SaaS "Company OS" that helps founders form and operate U.S. companies from anywhere. It combines incorporation (LLC or C-Corp in Delaware or Wyoming), registered agent services, expedited EIN setup, banking onboarding via partners, virtual mail/address (Mailroom), compliance automation (Agent Autopilot), bookkeeping/accounting, payroll across all 50 states, sales-tax automation, and integrations/API for HRIS and IT workflows. Pricing includes a one-time formation package and a bundled subscription (Firstbase One) plus optional add-ons.

Company Firstbase.io, Inc.
Year founded 2019
Company size 51-200 employees
Headquarters New York, NY, USA; São Paulo, Brazil
Firstbase.io Categories on Findstack
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Ask Questions about Firstbase.io
What Firstbase.io is best for?
What are the best alternatives to Firstbase.io?
What are the pros and cons of Firstbase.io?
Firstbase.io Product Details
Capabilities
API
Segment
Small Business
Mid Market
Freelancer
Enterprise
Deployment Cloud / SaaS / Web-Based
Support 24/7 (Live rep), Email/Help Desk, Knowledge Base
Training Documentation, Webinars
Languages English
Firstbase.io Pros and Cons
Pros
  • Combines incorporation, compliance, banking onboarding, accounting, tax filing and payroll in one platform.
  • Supports non-U.S. founders and global onboarding to form U.S. companies.
  • Bundled option (Firstbase One) provides broad coverage and integrations.
  • Public API and robust partner integrations for HRIS/IT workflows.
  • Compliance automation (Agent Autopilot) reduces risk of missed filings.
Cons
  • Base formation price can increase significantly with required add-ons (registered agent, mailroom, accounting, filings).
  • Some users report delays or difficulties obtaining banking services via partners.
  • Multi-state handling beyond DE/WY and foreign qualification details can be unclear.
  • Some customer reports of support or refund issues and unexpected fees.
Firstbase.io Features
Access Control
API Integration
Application Monitoring
Asset Management
Automation
Backup and Recovery
Banking account / financial partner onboarding
Bookkeeping / accounting services
Business address / virtual mailbox
Capacity Planning
Change Management
Cloud Integration
Firstbase.io Media
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Firstbase.io Screenshots
Firstbase.io screenshot 1
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Firstbase.io screenshot 3
Firstbase.io screenshot 4
Firstbase.io screenshot 5
Disclaimer
Our research is curated from diverse authoritative sources and meant to offer general advice. We don’t guarantee that our suggestions will work best for each use-case, so consider your unique needs when choosing products and services. Feel free to share your feedback.
Last updated: September 06, 2026
Firstbase.io Other IT Infrastructure Software logo
26 Firstbase.io Reviews
5.0 out of 5
Small Business (50 or fewer emp.)
Dec 16, 2023
 Source
Overall Rating:
5.0
AG
Verified Reviewer
Founder
Share
"Very easy process, nice and fast support, good price."
What do you like best about Firstbase.io?

The process was very smooth and easy, the support amazing.

What do you dislike about Firstbase.io?

The timing of getting the LLC, but that is something doesn't depend on firstbase but the state workload itself so, happy with all the process.

What problems is Firstbase.io solving and how is that benefiting you?

Firstbase is solving the problem of creating an LLC from abroad, they simplify the process and speed up all the paperwork you may have to do to get your LLC open and working. The support is also amazing an very fast, I'm very happy with the result.

Small Business (50 or fewer emp.)
Sep 12, 2023
 Source
Overall Rating:
5.0
AG
Verified Reviewer
Founder
Share
"Start your company in the US"
What do you like best about Firstbase.io?

It's a very easy and fast process. There's no misinformation.

What do you dislike about Firstbase.io?

I don't see anything I dislike. Not sure if the pricing is the best competitively.

What problems is Firstbase.io solving and how is that benefiting you?

Help international founders incorporate their company in the US, do so with a single payment. Also, provide all the tools / services needed once you've done so.

Small Business (50 or fewer emp.)
Aug 29, 2023
 Source
Overall Rating:
5.0
VN
Vanessa N.
Founder
Share
"Best solution for LLC in the US"
What do you like best about Firstbase.io?

Hassle free solution for incorporating with good value

What do you dislike about Firstbase.io?

It is just perfect and the only thing could make it be more competitive is price

What problems is Firstbase.io solving and how is that benefiting you?

Firstbase helps startups like me to solve the problem for Incorporation in the US while we physically not there.

Small Business (50 or fewer emp.)
Aug 25, 2023
 Source
Overall Rating:
5.0
KR
K.J. R.
Founder
Share
"Firstbase is AWESOME!"
What do you like best about Firstbase.io?

The entire user experience is elite and it's a huge benefit to have a done for you model where I didn;t have to worry throught the process which otherwise is complicated.

What do you dislike about Firstbase.io?

I didn't have any downsides to working with Firstbase start. The entire process was smooth and easy to naviagate.

What problems is Firstbase.io solving and how is that benefiting you?

Firstbase simplifies the process of company formation and setting up business plumbing for your business including creating all the documents your startup needs.

Small Business (50 or fewer emp.)
Jun 23, 2023
 Source
Overall Rating:
5.0
AG
Verified Reviewer
Founder
Share
"Awesome Experience`"
What do you like best about Firstbase.io?

Very fast service and awesome customer support

What do you dislike about Firstbase.io?

I have found no downsides - maybe add the option of opening ITIN as well

What problems is Firstbase.io solving and how is that benefiting you?

Opening a new company in the USA

Small Business (50 or fewer emp.)
Jun 22, 2023
 Source
Overall Rating:
5.0
Bassem M. avatar
Bassem M.
Information Technology Supervisor
Share
"Exceptional Service and Prompt Responsiveness - Nexus Tec LLC"
What do you like best about Firstbase.io?

What I like best about FirstBase Start is their exceptional speed and responsiveness. They efficiently guide clients through the incorporation process, always replying promptly to inquiries, resulting in a seamless and efficient experience.

What do you dislike about Firstbase.io?

I have found no dislikes with FirstBase Start. Their exceptional service, efficiency, and prompt responsiveness have met all my expectations and made my experience thoroughly positive.

What problems is Firstbase.io solving and how is that benefiting you?

FirstBase solves the complex and time-consuming process of incorporating a company by providing expert guidance and efficient completion, resulting in streamlined operations and minimized risks for Nexus Tec LLC. Their prompt and responsive customer support ensures quick resolution of inquiries, saving valuable time and instilling confidence in their services.

Small Business (50 or fewer emp.)
Jun 20, 2023
 Source
Overall Rating:
5.0
AG
Verified Reviewer
Founder
Share
"Firstbase is an amazing service, way better than LegalZoom"
What do you like best about Firstbase.io?

The experience has been extremely straightforward and frictionless and it's pretty easy to figure out what needs to be done. Not the case at all with LegalZoom in my experience incorporating ~3 DE C corps there. It also has a Carta integration apparently which is something we will need in the future, so that's nice.

What do you dislike about Firstbase.io?

Cost is marginally higher than LegalZoom but worth it if you value not wasting tons of time figuring out how to file or what to file, if you're new to incorporating

What problems is Firstbase.io solving and how is that benefiting you?

Incorporating and keeping up with compliance/filings has been a headache in the past. I used to use LegalZoom for a few years. Firstbase makes it extremely easy to incorporate and see everything that I need to get my company going, such as compliance with state and federal filings. Their interface is smooth and pretty frictionless and the experience was pretty straightforward for me. LegalZoom was clunky and not that easy to navigate.

Small Business (50 or fewer emp.)
Jun 19, 2023
 Source
Overall Rating:
5.0
MN
Mambe N.
Founder
Share
"FirstBase helped me register Buyam Inc"
What do you like best about Firstbase.io?

The customer experience, user experience, and overall responsiveness.

What do you dislike about Firstbase.io?

Well they are abit on the high end in terms of pricing, and I would love for it to be discounted given that I am in Africa where cash is tight ;)

What problems is Firstbase.io solving and how is that benefiting you?

In August 2022, I wanted to register my company in the US while being in Cameroon and a friend told me about firstbase.io I registered within a few mins and set up my account. I was pleasantly surprised after only 3 weeks, my company registration documents were ready and I was directed on how to set up a company bank account and that took another 2 weeks and bank account was setup. All this while being in Buea, Cameroon. This year, when it was time to file taxes and get a good standing, once more firstbase assigned me an agent that walked me through the whole process and our taxes were filed, paid and our company is in good standing in the US.

Small Business (50 or fewer emp.)
Jun 18, 2023
 Source
Overall Rating:
5.0
OA
Omar A.
Founder
Share
"Very smooth experience, great support included!"
What do you like best about Firstbase.io?

Easy to use, a lot of integrations with tools you need to help setting up the process

What do you dislike about Firstbase.io?

Nothing particular about Firstbase Start, but the process takes some time (governmental side)

What problems is Firstbase.io solving and how is that benefiting you?

Incorporating businesses in the US, the whole process is automated and integrated with banking as well.

Small Business (50 or fewer emp.)
Jun 16, 2023
 Source
Overall Rating:
5.0
Ernesto Vladimir M. avatar
Ernesto Vladimir M.
Gerente General, Fundador
Share
"Easy to start and trustfull to stay compliant"
What do you like best about Firstbase.io?

Its incredible easy to start a company using Firstbase since they have a step by step defined process with all legal and compliant services atached. Furthermore they help you to keep up to date with local and federal requirements.

What do you dislike about Firstbase.io?

For me is working really well and at this moment we dont have somthing that we dislike.

What problems is Firstbase.io solving and how is that benefiting you?

The incorporation of a startup in USA from outside of the country.

Small Business (50 or fewer emp.)
Jun 16, 2023
 Source
Overall Rating:
5.0
MF
Mohammad F.
Founder
Share
"Very Easy process and continued support all the way"
What do you like best about Firstbase.io?

Very Easy process and cost effective for start ups.

What do you dislike about Firstbase.io?

I like everything. They have solutions for every start up issues

What problems is Firstbase.io solving and how is that benefiting you?

My business is successfully registered in US and while I was struggling to get a US bank account, First base team helped me with my Mercury account setup and I am more than happy with my international transactions.

Mid Market (51-1000 emp.)
Jun 16, 2023
 Source
Overall Rating:
5.0
Pradip T. avatar
Pradip T.
Founder
Share
"Fantastic experience with firstbase.io"
What do you like best about Firstbase.io?

I had a fantastic experience with firstbase.io when registering my company. The entire process was incredibly smooth and efficient. The instant support provided was impressive, and the cost-effectiveness of their services was a major plus. I highly recommend firstbase.io to others looking to register their company.

What do you dislike about Firstbase.io?

Providing a video tutorial to explain about the unique tearms in field could have made the journey more smoother.

What problems is Firstbase.io solving and how is that benefiting you?

Its a cost effective method for offshore business to register business in USA haselfree.

Small Business (50 or fewer emp.)
Jun 16, 2023
 Source
Overall Rating:
5.0
MA
Marco A. A.
Founder
Share
"Best way to start a business in the US being abroad"
What do you like best about Firstbase.io?

Everything. Very clear process and excelente customer services when needed. All the Perks you get trough their partners Time to incorporation is outstanding

What do you dislike about Firstbase.io?

A versión in Spanish may help some people

What problems is Firstbase.io solving and how is that benefiting you?

Manage all incorporation related topics (from choosing the best fit -LLC or corp- to having a EIN and bank account

Small Business (50 or fewer emp.)
Jun 07, 2023
 Source
Overall Rating:
5.0
Marcel D. avatar
Marcel D.
Platform Engineer
Share
"Excellent Service! Great support!"
What do you like best about Firstbase.io?

They provide clear steps with good documentation to open the company in the US. Making this a really nice process to go through.

What do you dislike about Firstbase.io?

So far nothing to dislike. Every step went smoothly while opening the company.

What problems is Firstbase.io solving and how is that benefiting you?

Really simple to create the company without traveling to the US. Clear steps with good documentation. Took 2 days to open the company and around 30 days to process the EIN. I cannot recommend it enough!

Small Business (50 or fewer emp.)
May 19, 2023
 Source
Overall Rating:
5.0
AB
Abdellahi B.
Founder
Share
"A Flawless and Impressive Remote Work Solution"
What do you like best about Firstbase.io?

The standout feature of Firstbase.io is their expertise and knowledge in navigating the complex world of incorporation. They have a deep understanding of the legal requirements and local regulations, ensuring that entrepreneurs meet all necessary criteria without any room for error. This expertise saves entrepreneurs countless hours of research and provides peace of mind.

What do you dislike about Firstbase.io?

I must say that it's difficult to find anything to dislike about their services. They have truly excelled in providing a seamless experience for remote teams. Even when I actively tried to find something negative or any shortcomings, I couldn't find anything that would detract from the overall exceptional quality of their offerings. This level of perfection is remarkable and has left me feeling impressed and satisfied with their services.

What problems is Firstbase.io solving and how is that benefiting you?

As the Co-Founder and CEO of The Dida Nomad, Firstbase.io has solved the daunting and time-consuming process of business incorporation. They handle the paperwork, legalities, and logistical challenges, making it a smooth and hassle-free experience. The benefit is that it saves a significant amount of time and effort for entrepreneurs, allowing them to focus on other crucial aspects of their business.

Small Business (50 or fewer emp.)
May 15, 2023
 Source
Overall Rating:
5.0
Ivan K. avatar
Ivan K.
Co Founder, Ceo
Share
"Recently opened 2nd c-corp with Firstbase"
What do you like best about Firstbase.io?

Perks for startups (AWS credits, discounts on Deel, Carta and other useful services) Good looking interface Support of vesting schedule (useful, if you don't use Carta) Integration with Carta

What do you dislike about Firstbase.io?

Most of the things works well, so I have nothing to complain about.

What problems is Firstbase.io solving and how is that benefiting you?

Firstbase assists foreign founders in opening and maintaining companies in the USA. I have opened two companies using Firstbase and the process was clear and prompt.

Small Business (50 or fewer emp.)
Apr 30, 2023
 Source
Overall Rating:
5.0
JB
Jake B.
Founder
Share
"The best quickstart provider I've found!"
What do you like best about Firstbase.io?

It was so simple and intuitive and laid out all the steps for you.

What do you dislike about Firstbase.io?

I haven't found anything, but maybe a sample portal that you can see the interface before you purchase it.

What problems is Firstbase.io solving and how is that benefiting you?

I was looking for a solution to help me start my LLC quickly.

Small Business (50 or fewer emp.)
Apr 27, 2023
 Source
Overall Rating:
5.0
AG
Verified Reviewer
Founder
Share
"Great platform to create a legal company in the USA"
What do you like best about Firstbase.io?

Firstbase offers an integrated service; I have everything to operate and create a company in one place. I have in my FirstBase panel access to the bank, MailBox, legal documents, access to a lot of discounts for many SaaS solutions, and much more.

What do you dislike about Firstbase.io?

I recently learned that FirstBase has partnered with a company that provides a good platform for accounting management. I would like that company to help with the tax presentation every year with the government.

What problems is Firstbase.io solving and how is that benefiting you?

I am not a United States Citizen living outside of the country, but I am an entrepreneur in the IT sector that needs to create a legal company in the USA.

Small Business (50 or fewer emp.)
Apr 26, 2023
 Source
Overall Rating:
5.0
Otis B. avatar
Otis B.
Founder
Share
"They delivered"
What do you like best about Firstbase.io?

Everything was explained in detail and the system is set to help you through the signup process

What do you dislike about Firstbase.io?

I really don't know I never had any problems

What problems is Firstbase.io solving and how is that benefiting you?

Firstbase helped to remove a lot of roadblocks for me when doing business with international clients. They were really helpful and patient with me as I did not have all my documents together, but now I have a fully incorporated company in the US.

Small Business (50 or fewer emp.)
Apr 24, 2023
 Source
Overall Rating:
5.0
AG
Verified Reviewer
Founder
Share
"Excelent service with amazing customer support"
What do you like best about Firstbase.io?

The process is simple with clear steps to floow. The webpage guides you step by step on the process to stablish the company.

What do you dislike about Firstbase.io?

Nothing. The quiality was excelent every time.

What problems is Firstbase.io solving and how is that benefiting you?

Firstbase helped me to stablish my company in US being a nonResident living abroad.

Small Business (50 or fewer emp.)
Apr 24, 2023
 Source
Overall Rating:
5.0
AG
Verified Reviewer
Founder
Share
"Innovative Platform, Excellent Customer Service, Great Interface"
What do you like best about Firstbase.io?

I would probably have to say the support from the Firstbase team. It was fast, accurate, and helped me resolve the issues I was having.

What do you dislike about Firstbase.io?

I really wish the platform provided a mobile app.

What problems is Firstbase.io solving and how is that benefiting you?

Firstbase Start is a wonderful tool for startups looking to get their business formation process started. I really enjoy the self-service model, and the product information/description is great for learning about the various pros and cons of each incorporation type.

Small Business (50 or fewer emp.)
Apr 22, 2023
 Source
Overall Rating:
5.0
LM
Lev M.
Head Of Strategy & Business Development
Share
"An outstanding experience. Right choice."
What do you like best about Firstbase.io?

Simple process. friendly. You are directed and guided. A very pleasant experience.

What do you dislike about Firstbase.io?

There is nothing I can claim. I had certain expectations and they met them all.

What problems is Firstbase.io solving and how is that benefiting you?

Very efficient registration of a company in the USA. Everything was fast at the highest level. The legal paperwork was of a very high standard. Highly recommend it for those thinking of registering a company in the USA.

Small Business (50 or fewer emp.)
Apr 21, 2023
 Source
Overall Rating:
5.0
GV
Giovanny V.
Founder
Share
"Quick and Smooth"
What do you like best about Firstbase.io?

The finely detailed process with step by step instructions.

What do you dislike about Firstbase.io?

Nothing, everything has been good with Firstbase Start

What problems is Firstbase.io solving and how is that benefiting you?

We incorporated our company very quickly and also we had our bank account setup with Mercury.

Small Business (50 or fewer emp.)
Apr 20, 2023
 Source
Overall Rating:
5.0
BL
Brian L.
Chief Executive Officer
Share
"My Experience With Firstbase Was Seamless"
What do you like best about Firstbase.io?

The entire process was quick, easy and seamless. And their help centre and support team is very helpful.

What do you dislike about Firstbase.io?

I wish a tax filing support plan or product was included from the start. I wouldn't have had a problem paying for it then.

What problems is Firstbase.io solving and how is that benefiting you?

Firstbase helped me to register my US company.

Small Business (50 or fewer emp.)
Apr 20, 2023
 Source
Overall Rating:
5.0
Feroz M. avatar
Feroz M.
Head Of Think Reality X R Services & Industrial Solutions
Share
"Starting an LLC"
What do you like best about Firstbase.io?

Simplicity & ease of use. Prompt responses and excellent customer service.

What do you dislike about Firstbase.io?

Nothing I can think of as of now. So far the experience has been great.

What problems is Firstbase.io solving and how is that benefiting you?

One-stop shop for all your LLC needs.

Small Business (50 or fewer emp.)
Apr 24, 2023
 Source
Overall Rating:
4.5
YC
Yaroslav C.
Junior Legal Councel
Share
"Easy but took longer than expected"
What do you like best about Firstbase.io?

Firstbase makes incorporation in the US easier.

What do you dislike about Firstbase.io?

But not faster. Our company formation was taking longer than promised. UPD: The delay was due to the busy holiday season - the IRS processed applications longer than usual. Customer Support contacted me for detailed feedback, offered a gift card for the inconvenience, and considered adding a banner in the app to warn about possible delays in busy seasons.

What problems is Firstbase.io solving and how is that benefiting you?

Makes company formation in the US and compliance easier.