How to Add Another Company to QuickBooks Online: Steps, Cost, and the Login Mistake

Short answer: To add another company to QuickBooks Online, sign in with the Intuit user ID you already use, then start a new QuickBooks Online subscription from inside that signed-in session rather than from a fresh browser with a new email address. Intuit attaches the new company to your existing ID, so both businesses appear in the company switcher and you never sign out to move between them. The new company is a separate paid subscription at whatever tier you choose. Nothing carries over from your first company except the login itself.

The mechanics take about five minutes. The reason people search for this is almost never the mechanics. It is that they expected a second business to be an addition to an account they already pay for, and it is not, or that they created the second company in a hurry and it is now stranded under an email address they barely use.

Both of those are worth getting right the first time, because the fix afterwards is fiddly and, in one case, involves rebuilding the file.

What "adding a company" actually means in QuickBooks Online

QuickBooks Online licenses one company per subscription. There is no add-a-company button that extends your current plan, no second-entity rate, and no bundle. When you add a business, you are buying another subscription that happens to be linked to the same login. Your existing company keeps its own plan, its own billing date, and its own data, completely walled off from the new one.

That separation is the point rather than a limitation. Two legal entities should have two sets of books, and the moment they share a file you have lost the clean line that makes the liability separation worth having. What Intuit gives you is convenience at the access layer: one identity, many companies, a menu to move between them. What it does not give you is a discount.

QuickBooks Desktop answers this differently, and it is worth knowing before you commit. One Desktop license creates multiple company files at no extra licence cost, which is why plenty of owners with three or four small entities have stayed on it. If per-entity cost is the thing driving your decision, that comparison belongs in the decision, and the full version of it sits on our guide to running multiple companies in QuickBooks Online.

How to add another company to QuickBooks Online, step by step

Do this in the browser where you are already signed in to your first company. That single detail is what determines whether the two businesses end up under one login or two.

Sign in to your existing QuickBooks Online company with the Intuit user ID you use every day. Do not open a private window and do not use a different email address.
Open the account or gear menu and choose to add another company. Intuit routes you into plan selection while keeping your identity attached to the session. If you cannot find the option, going to Intuit's QuickBooks Online plan page in that same signed-in browser gets you to the same place.
Choose the plan tier for the new business on its own merits. It does not have to match your first company's plan, and for a second entity it very often should not.
Confirm the Intuit ID shown at checkout is your existing one. This is the step to slow down on. If the checkout is offering to create an account, you are not signed in the way you think you are.
Complete the purchase and set up the new company file: legal name, EIN, entity type, industry, and fiscal year. The industry choice seeds a default chart of accounts, so pick the closest match rather than a generic one.
Check the company switcher. Both businesses should now appear. If they do, you are done, and switching between them will never require signing out again.

The login mistake, and how to fix it

The common failure is creating the second company from a logged-out browser, which prompts for an email address, which produces a brand new Intuit user ID. The company gets built correctly and works fine. It simply lives somewhere else, so it never appears in your company switcher and you spend the next year signing in and out.

The fix is not to move the company. It is to connect the identities. Sign in to the stranded company under the ID that owns it, go to Manage Users, and invite your main Intuit ID as an admin user. Accept the invitation from the email, and that company then appears in your primary login's switcher alongside the others. The original ID stays as the billing owner unless you transfer the primary admin role, which is a separate action and worth doing while you are in there so that one identity owns everything.

What you should not do is start over. Recreating a company file to fix a login problem throws away whatever has already been entered, and the invitation route takes two minutes.

Which plan should the second company be on?

Rarely the same one as the first. QuickBooks Online prices by feature tier, not by transaction volume, so a dormant holding company and a busy operating company can sit on genuinely different plans while both remain fully functional.

The questions that actually decide the tier are how many people need access, whether that entity bills customers or only pays bills, whether it needs to track inventory, and whether anyone runs project or class reporting on it. A single-property rental LLC with one bank account, one card and no employees needs a bank register, a profit and loss, and very little else. Putting it on the same plan as your main trading business is the most common way multi-entity owners overspend, and nothing about it is enforced by Intuit. You chose it.

You can move a company up a tier later without losing data, so starting conservatively costs you nothing.

What does not carry over from your first company

Almost everything. The new company file starts effectively empty, and people are consistently surprised by how little transfers. Nothing on this list moves automatically:

The chart of accounts. The new file gets a default list based on the industry you selected, not a copy of yours.
Bank rules. Every categorization rule you built up over years stays with the original company.
Customers, vendors, and products. Separate lists per company, even where the same vendor bills both.
Users. Anyone who needs access to the new company has to be invited to it specifically, including your bookkeeper.
Connected apps and payment processing. Each integration is authorized per company file.
Bank connections. Every account has to be connected again inside the new company.

If your entities are genuinely related, build one clean chart of accounts structure and use it consistently across all of them. You will be exporting and combining these companies in a spreadsheet at some point, because consolidated reporting across separate QuickBooks Online subscriptions is not built in below the top tier, and that job is painless when the account names match and miserable when they do not.

The first hour in a new company file

Two things are worth doing immediately, while the file is still empty and mistakes are cheap.

First, fix the chart of accounts before any transaction lands. The default industry list will contain accounts this business will never use and will be missing ones it needs on day one. Trimming it now takes fifteen minutes. Doing it after eight months of categorization means merging accounts and re-checking everything that landed on them.

Second, get the opening balances right. Every account starts from a date, and if the new entity has been operating for a while before you set up its books, that history has to come from somewhere. The bank feed will not supply it. Connected feeds typically reach back around 90 days and no further, which is fine for a business you incorporated last month and useless for one that has been trading since last year.

For anything older, work from statements. Download the monthly PDF statement for every account the entity holds back to the date you want the books to start, convert each one to a QBO file, and import them oldest month first, reconciling each month against the closing balance printed on that statement before you import the next. Our walkthrough on catch up bookkeeping from PDF bank statements covers the sequence in detail, and fixing a wrong opening balance after a QBO import covers the single error most likely to stop the new file from ever reconciling.

Money moving between your two companies

The moment you have two entities, you will eventually pay one company's bill from the other company's account. Usually not deliberately. The operating company has cash, the new entity has an invoice due, and whichever card was closest gets used.

That is not an expense of the paying company. It is an intercompany balance, and both sides have to record it: the paying entity books a due from receivable, the receiving entity books a due to payable, and the two must agree every time you close a month. Book it as a straightforward expense instead and you have overstated one company's deductions and understated the other's, which is a tax problem rather than a tidiness problem, and one your preparer will bill you to unwind. The mechanics are the same as recording a transfer between bank accounts, with the difference that the other side lives in a different company file and somebody has to remember to go and enter it.

What this costs, honestly

Take the monthly price of the tier the new company needs and add it to what you already pay. That is the entire calculation. There is no multi-company discount for business owners, and QuickBooks Online list prices rose twice during 2026, in May and again on 1 August, so a portfolio you priced last year is not one you would price the same way today. Check Intuit's current rates before you plan around any figure, including numbers published on comparison sites.

Introductory promotional pricing does apply per new subscription, so each company you add can start on its own discounted period. That helps in year one and disappears in year two, which is exactly when people notice the total. Budget for the list price.

If you are adding a third or fourth entity, this is the point to model the whole thing properly rather than adding one at a time. Portfolio owners with several rental LLCs, where each property sits in its own entity and the paperwork behind each one is a lease that somebody has to read and summarize before it means anything to the books, tend to find the per-entity subscription cost is only a fraction of what the structure really costs to run. Knowing that number early changes how many entities you decide you need.

Frequently asked questions

Can I add a second company to my existing QuickBooks Online subscription?

No. Each company requires its own subscription, billed separately. What you can do is attach both subscriptions to one Intuit user ID so they share a login and appear together in the company switcher. There is no plan at any tier that covers two companies, and no discount for adding one.

How do I switch between companies in QuickBooks Online?

Use the company or gear menu inside a signed-in session and select the business you want. Every company attached to your Intuit ID appears in that list and switching does not require signing out. If a company is missing, it was created under a different Intuit ID and needs to invite your main ID as a user.

Can I have two QuickBooks Online companies with the same email address?

Yes, and that is the setup you want. One Intuit user ID, identified by one email address, can own or access many separate company subscriptions. Using a different email for each company is what causes the switching problem, not what solves it.

Does adding another company affect my first company's data?

Not at all. The two files are completely separate: separate chart of accounts, separate transactions, separate bank connections, separate users. Nothing you do in one appears in the other, which is also why consolidated reporting across them requires exporting both and combining the results yourself.

Can I use QuickBooks Desktop instead to avoid paying twice?

One QuickBooks Desktop license does let you create multiple company files without buying additional licenses, so the per-entity cost is genuinely lower. You give up browser access from anywhere, easier collaboration with an outside accountant, and bank feeds that run without your computer. It is a real trade rather than a loophole, and it is worth pricing both ways when you are running more than two entities.

How do I move a company to a different Intuit account?

You do not move the file. You invite the destination Intuit ID into the company as an admin user through Manage Users, accept the invitation from that email, and then transfer the primary admin role if you want billing ownership to follow. The data stays exactly where it is and the access changes around it.

Where this usually goes wrong

Creating a second company is also the standard escape hatch when an import deadline has passed, since a Desktop file can only land in a company under 60 days old and starting a fresh one restarts that clock. The full set of options is in the guide to converting QuickBooks Desktop to Online. Adding the company is easy. What people underestimate is that the second entity doubles a recurring job rather than adding a one-time setup task. Every month, both companies need their statements collected, imported, categorized, and reconciled, and the second one is invariably the one that slips, because it is smaller and feels less urgent. Six months later it is the entity that needs a cleanup.

The habit that prevents it is closing both companies in the same session rather than whenever each becomes a problem. Collect every entity's statements at once, convert them in one pass, then work through the company files one at a time. Converting the PDF statements to QBO files is what makes that realistic, because the part that scales badly with entity count is data entry, and it is the part you can remove entirely.