Amazon FBA: Sole trader or limited company?

If you’re planning to sell through Amazon FBA, one of the first decisions you’ll face is how to set yourself up legally. Should you start as a sole trader, or form a limited company from day one?

At first, this might seem like a simple tax or admin decision. But for UK sellers, deciding whether to operate as a sole trader or a limited company also affects how smoothly you can run an Amazon FBA business, how easily you can scale, and how disruptive a future switch could be.

This guide explores the decision through an Amazon-specific lens, focusing on how each structure works in practice for FBA sellers, the process of switching within Seller Central, and when it makes sense to transition from one to the other.

Can you sell on Amazon as a sole trader in the UK?

Yes, you can. Many UK Amazon sellers start as sole traders, particularly when they’re testing products, selling part-time, or building a business alongside other work.

Amazon doesn’t require you to set up a limited company to use FBA. Sole traders just need to provide ID, bank details, and business information during verification.

From a UK tax perspective, the key consideration is your business income. Once your trading income goes beyond the small trading allowance, you’ll need to register for Self Assessment and report your profits. (That obligation exists regardless of whether you use FBA or fulfil orders yourself.)

• How much does it cost to set up a limited company?
• Do I need to set up a limited company to sell on Etsy?
• Are limited companies automatically registered for VAT?

For many new sellers, this combination of low friction and flexibility makes sole trader status a practical way to get started.

Sole trader vs limited company: What’s the difference for Amazon sellers?

For Amazon sellers, the difference between operating as a sole trader and through a limited company shows up in day-to-day practicalities: how simple it is to get started, how much admin you carry, and how easily the business can scale.

A sole trader setup is usually the fastest route to market. There’s less admin to manage, fewer formal filings, and fewer moving parts while you’re learning how sourcing, pricing, advertising, and inventory all fit together. If you’re experimenting with products or running a small catalogue, that simplicity can be valuable.

A limited company, on the other hand, introduces more structure. With this structure, the business functions as a separate legal entity, with its own finances and obligations. That can feel like overkill early on. However, it becomes increasingly important as volume increases, margins tighten, and decisions become less easily reversible.

Neither structure is inherently a ‘better’ legal entity for Amazon FBA in the UK. The right choice depends on how confident you are about scale, how much risk you’re taking on, and how much administrative overhead you’re prepared to carry while the business is still finding its feet.

Amazon account setup: Seller Central differences to know

One reason this decision warrants consideration is that Amazon doesn’t treat your legal structure as a cosmetic detail. Every UK seller operates under a specific Amazon FBA legal entity, and it is this entity that Seller Central verifies, reviews, and pays.

This is where many sellers are caught off guard. Forming a limited company is straightforward enough, but updating Amazon to reflect that change isn’t always instant. Amazon may request new documents (such as company registration documents, director/beneficial owner verification, and updated bank account details), review account information, and, in some cases, temporarily restrict certain account functions while verification is completed.

Switching is common, but it should be planned in advance rather than treated as a formality that can be sorted out later with a few clicks.

It’s also worth clearing up a common confusion. Amazon’s selling plans (‘Individual’ or ‘Professional’) relate to how you’re charged to sell, not whether you’re a sole trader or a limited company. These are separate decisions – and changing one doesn’t automatically affect the other.

In practice, the ‘Individual’ plan is typically intended for low-volume sellers (generally under 40 sales per month), while the ‘Professional’ plan is designed for higher-volume sellers and provides access to additional selling tools and features.

Tax differences between sole traders and limited companies on Amazon

For Amazon FBA sellers, tax questions typically arise once money starts flowing regularly. Disbursements land, stock costs add up, advertising spend grows, and it becomes harder to tell what you’re actually making from one month to the next. That’s often when the question of structure starts to matter.

As a sole trader, profits are treated as your personal income. You pay income tax and National Insurance based on those profits, and the money is effectively yours as soon as it’s earned. This can be straightforward when profits are modest and cash flow is predictable.

Limited companies pay Corporation Tax on business profits. You can choose when and how to extract income – usually through salary and dividends. This flexibility helps if you’re reinvesting in stock, ads, or new launches rather than taking profits upfront.

The trade-off is administrative complexity. Annual accounts, confirmation statements, and proper separation between personal and business finances all become part of running the operation.

Bear in mind that VAT isn’t a factor in this decision. After all, VAT registration is driven by taxable turnover rather than legal structure, and many FBA sellers reach the £90,000 VAT threshold as they scale. Whether you’re a sole trader or a limited company, VAT planning tends to become unavoidable once sales volumes grow.

Liability and business risk for FBA sellers

Selling through FBA doesn’t absolve you of responsibility for the products you put on the market. Although Amazon handles storage, packing, and delivery, the underlying obligation still rests with the seller. As order volumes increase, that responsibility becomes harder to ignore.

Amazon also sets insurance requirements once sellers reach certain sales levels. While this applies to both structures, some prefer to manage risk through a limited company, which keeps personal finances separate.

Switching from sole trader to limited company on Amazon

Many sellers start as sole traders and incorporate later. That path is common and usually workable. However, you should approach it with care.

Changing your business structure on Amazon Seller Central requires Amazon to update the legal entity associated with the account and re-verify key details before trading can continue. This usually happens via submitting an account transfer request with updated business details, rather than opening a new seller account. Amazon then re-verifies the new entity, including ownership and banking information. During this review, payouts or other account features may be temporarily limited.

Because of this, timing matters. Sellers handling the switch during a quiet trading period, with cash buffers and no major launches underway, may have a smoother experience than those trying to change structure mid-peak or mid-crisis.

When should you think about switching structures?

There’s no single revenue figure or deadline that makes the decision for you. However, there are clear signals that it may be time to review your setup.

If your Amazon activity is transitioning from a side project to a core source of income, structure becomes more important. If you’re reinvesting profits heavily, negotiating with manufacturers, or planning to grow a recognisable brand, a limited company often fits the direction you’re heading.

If your product range or volumes increase risk, or if you’re approaching VAT or compliance thresholds, formalising your business can enhance decision-making. It also streamlines paperwork and boosts credibility with customers and suppliers.

On the other hand, if you’re still testing ideas and learning how Amazon works, keeping things simple can be an advantage. Many sellers deliberately delay incorporation until they’re confident the business justifies the extra complexity.

What’s right for new and growing Amazon FBA sellers?

Most Amazon FBA businesses don’t start fully formed. They begin with a small number of products, limited data, and a lot of learning in the first few months. At that stage, the main consideration is whether the structure lets you run the business cleanly while you’re still finding your footing.

For sellers testing products or running FBA alongside other work, starting as a sole trader can help to keep things manageable. It allows you to focus on sourcing, listings, and fulfilment without taking on more admin than the business currently supports. With good record-keeping and separate finances from the outset, it also leaves room to change structure later without too much disruption.

If you’re entering the market with a clear plan to scale, then the equation changes. A limited company gives you more financial clarity when handling large stock orders, ad spend, or long-term supplier contracts. The setup takes more effort but can offer a steadier base as volumes increase and decisions become harder to reverse.

Either way, Amazon’s systems are built around consistency, and changes are easier to manage when they’re made deliberately, at a point when the business has the capacity to absorb them.

Get set up with confidence

Choosing between sole trader and limited company comes down to how you expect the business to operate over the next year or two. Amazon FBA businesses grow in stages, and your legal structure should be able to grow with you. Setting up a limited company for your Amazon venture can simplify banking, bookkeeping, and Amazon’s verification processes.

Ready to elevate your Amazon business? Let 1st Formations help you set up your UK limited company quickly and easily. Focus on growth while we handle the paperwork.