How do I sign up as an OnBuy seller and what do I need?

Signing up is a breeze – it takes less than 15 minutes! Just fill out our quick registration form, and we'll email you with the next steps.

Here’s what you'll need:

• A link to your current selling platform
• 50 reviews from the last 12 months (with at least 90% rated 4/5 stars)
• GTINs for your products (unless they’re not typically barcoded)
• Bank accounts in the currency/currencies of the site(s) in which you intend to sell
• A returns solution for each country you plan to sell in (either a local address or an alternative like Freepost or a collection service)
• A chargeable debit/credit card

You'll also need some standard business and identification documents:

• Business registration and VAT details, if applicable. Learn more about my VAT requirements
• Valid photo ID (passport, driver’s license, or ID card)
• Proof of address (bank statement or utility bill, dated within the past 3 months)
• A mobile phone for verification

And, of course - products to sell!

Is OnBuy right for my business?

Absolutely! With clear fees, simple policies, and a promise to never compete against our sellers for sales, we provide a platform that allows businesses to thrive. Every pound spent on OnBuy is a pound of turnover for our sellers – and we think that’s exactly how it should be.

Whether you’re focused on growing locally or looking to scale into new markets, we’re committed to supporting your success every step of the way.

How can I speak to someone?

If you're interested in joining OnBuy but want to know more, talk to the team! We're here to answer your questions and guide you through the setup process.

What VAT details do I need to sell on OnBuy UK?

You do not need a UK VAT number to sell on OnBuy UK if:

• You're based in one of the countries listed below; and
• You’re not already registered for VAT in the UK

If you are registered for VAT in the UK, you must provide your UK VAT number.

Eligible countries:

If your business is based in any other country, you must register for UK VAT and provide your UK VAT number before selling on OnBuy UK. You can still create your account and sell on other OnBuy marketplaces without a UK VAT number.

• United Kingdom (UK)
• Austria
• Belgium
• Croatia
• Czech Republic
• Denmark
• Estonia
• Finland
• France
• Germany
• Greece
• Hungary
• Ireland
• Italy
• Latvia
• Luxembourg
• Netherlands
• Norway
• Poland
• Portugal
• Slovakia
• Slovenia
• Spain
• Sweden
• Switzerland
• United States (US)

What VAT details do I need to sell on OnBuy’s EU marketplaces?

I’m registered for VAT in an EU country I plan to sell in, or I dispatch goods from an address in that country:

• You must provide a valid VAT registration number for that specific country

I’m not VAT-registered in that country and I do not dispatch goods from there:

• You are not required to provide a VAT registration number to sell in that country
• OnBuy will collect VAT on eligible orders and provide you with our IOSS number

Do I sell the right products for OnBuy?

Almost definitely! Our extensive catalogue spans 17 major departments, including Home & Garden, Electronics & Technology, Health & Beauty, Tools & DIY, Toys & Games, and more! We accept nearly all items, except those outlined in our Prohibited Products Policy .

How do I list/create my products?

It's up to you! You can match to existing products or create new ones, and we have import templates, channel integrations and our product wizard to help make this easy!

Why do I need barcodes to create my products?

Every time a product is created on OnBuy, it gets stored in our catalogue. As we operate a catalogue system, products must be created using the correct manufacturer brand and corresponding barcode.

Don’t have barcodes? Don't worry, if you own a UK or EU trademark for your brand, you can apply for a barcode exemption.

Where can I get barcodes from?

You can get barcodes from GS1, the only authorised provider of Global Trade Item Numbers (GTINs). These numbers, which appear beneath the barcode and are also known as EANs or UPCs, uniquely identify each product. For more information and to get barcodes, visit GS1's official website .

Can other sellers list my products?

We believe that shopping and selling online should be simple, for everyone! That means making it easy for buyers to compare items and for sellers to list their products.

In most cases, you can create a listing on products that already exist in our catalogue by matching the barcode (GTIN), and other sellers can do the same.

Do you offer any extra services for brand owners?

Yes! If you’re the trademarked owner, we may be able to restrict other sellers listing on your products with the OnBuy Brand Ownership feature. This feature is currently only available to private label brands, where no other sellers have access to obtain and supply your products.

Who is eligible to join OnBuy’s Brand Registry?

To join OnBuy’s Brand Registry, you need to be the registered owner of a UK/EU trademarked brand.

How and when do I get paid?

Once your item(s) are dispatched, we'll calculate your payment date, typically 7 days after the expected delivery period ends. You can set up a monthly withdrawal on a day that works best for you, or withdraw your balance as soon as it becomes available. It's up to you!

What account types are accepted?

You’ll need a bank account in the currency/currencies of the site(s) where you intend to sell, or you can use a WorldFirst or Payoneer account to receive payments.

Don’t have a WorldFirst or Payoneer account yet? No worries - you can set one up during the sign-up process!

Who do you integrate with?

We integrate with a huge number of channel management systems and fulfilment providers, including Linnworks, Rithum, Volo, Shopify, Magento, and Woo Commerce, as well as our own API.

Want to know more about the integrations we offer? Talk to the team!

My channel system isn't listed - what can I do?

Talk to the team! We're always on the lookout for new integrations and can let you know if we'll integrate with yours.

Where can I get the OnBuy API documentation?

The OnBuy API documentation can be accessed here: https://docs.api.onbuy.com

Which locations can I sell in?

OnBuy supports sales in several major countries. You can choose to sell in Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Spain, Sweden, Switzerland and/or the United Kingdom.

And this is just the beginning! We have even more locations earmarked for 2025, including exciting plans to expand into the United States!

Can I choose which locations I want to sell in?

Absolutely! You have full control over where you want to sell - you can choose to sell in just your local market or across multiple regions. And, as we expand into more locations, you'll be able to activate them as soon as they're available!

How much does it cost to sell in different locations?

There’s no extra cost to sell in more locations. All packages include access to every OnBuy marketplace as standard, so you can grow your reach without growing your overheads.

Sales fees vary depending on the currency used in each market. For example, sales in the UK are charged in GBP, while sales in countries using the Euro are charged in EUR. You can view a full breakdown here.

Do I have to sell in the UK?

Although OnBuy is a British-born business, selling in the UK isn’t a requirement. You can operate in your local market only or expand into multiple regions - it’s entirely up to you!

Do I need to set up separate accounts for each location?

No, you only need one OnBuy seller account. You can manage sales across all your chosen locations from a single account and make adjustments to your listings as needed.

How do I handle shipping for international sales?

You'll be able to create different delivery templates for each location you choose to sell in. This lets you set handling and delivery times, delivery services, and pricing rules specific to each region.

We're currently exploring partnerships to offer competitive shipping rates, and we'll be introducing solutions to help streamline your shipping process soon.

How are returns handled for international sales?

For international sales, you’ll need to provide a returns address in each country you're selling in. Alternatively, you can use solutions like Freepost or a collection service to handle returns without a local address.

Can I set different prices for different locations?

Yes, you can set different prices for each location. Your inventory will be separate for each region, allowing you to control stock and pricing in local currencies. This gives you full flexibility to adjust prices based on market conditions, competition, or customer demand in each country.

Please note: You must include customs duties, taxes, and delivery charges within the listing price for every product you sell on OnBuy.

How are VAT and taxes handled for international sales?

VAT requirements vary depending on where your business is registered and where you dispatch goods from.

To understand what applies to you, see our VAT FAQs.

Are translations required for product listings in other countries?

Yes, translations are required for all product listings in international markets. Providing local translations helps customers feel more confident in their purchases, making it easier for you to break into the market and drive higher sales.

To help you out, we'll soon be offering a service to handle translations and other key logistics for you!

What is Boost, and how does it work?

Boost is an all-in-one marketing tool that helps you promote your products, expand your reach, and increase your visibility across OnBuy and select external channels. You can apply Boost to your entire inventory (recommended) or tailor your settings to individual listings, and you only ever pay when your product sells. No upfront costs, no risk, no wasted spend.

How does Boost benefit my products?

Boost gives your products the visibility they need to sell more, faster. You’ll unlock a variety of benefits, including exclusive access to the top positions across OnBuy’s highest-traffic areas, powerful offsite ads, improved product rankings, and more.

How much does Boost cost?

Boost is a performance-based tool, so you won’t be charged a thing unless your product sells!

You have complete control, with the ability to set your Boost Level between 5% and 30%, in addition to OnBuy’s standard selling fees. The higher your Boost Level, the more we invest in promoting your products, delivering maximum results with no upfront costs.

What makes Boost different from traditional ads?

Unlike PPC (pay-per-click) ads, Boost is 100% risk-free – you only pay when you make a sale; you’re not charged for clicks or impressions. Every penny works toward guaranteed results: more visibility, more buyers, more sales!

Plus, you don’t have to worry about wasting time setting up, managing, and optimising individual ad campaigns. With a single click, Boost activates across your entire inventory, ensuring every product gets premium exposure and the best chance to succeed. It’s simple, powerful, and focused on delivering results – no risk, all reward.

What is a store?

Your store is a dedicated space on OnBuy where you can showcase and sell your products directly to shoppers. Customers can search and shop your entire inventory from one convenient location, with each of your listings linking to exclusive pages - no seller comparisons, no competition. It's all about your products, your brand, and your sales!

Who can create a store?

Stores are available with Partner or Professional packages, with advanced tools and features exclusive to Professional sellers. Compare package features.

What do I get with a store?

With a store, you can:

• Display your full catalogue in one convenient location
• Allow customers to search your OnBuy inventory directly through your store
• Build up to 3 custom collections, each featuring up to 50 products
• Create separate stores for each location you sell in
• Provide a unique shopping experience, where customers browse and buy directly from you!

Unlock extra features with a Professional package, including store branding, your logo sitewide and additional promotion to customers.

What is a custom collection?

Custom collections allow you to group products together based on themes of your choice, such as 'Best Sellers' and 'New Arrivals', or more specific categories like 'Winter Essentials' or 'Outdoor Gear'. You can create up to 3 collections in your store, each featuring up to 50 products, and update them at any time to reflect trends, seasonal demand, or customer preferences.

Just like your store, all listings in your collections link to exclusive pages - no seller comparisons, no competition

How do stores work in multiple locations?

If you choose to sell in multiple locations, you can create separate stores for each site. This allows you to provide local translations, tailored collections, and region-specific offers, so you can adapt your store to suit the trends, preferences, and needs of customers in each location.

How much does it cost to sell on OnBuy?

Our fees are clear and simple, with no hidden costs - unlike some other marketplaces, we don’t charge a listing fee or a separate transaction fee. Our flexible packages give you the freedom to choose what works best for your business, and we won’t tie you into long-term contracts.

Is there a minimum contract term?

No! Our account packages work on a simple 30-day rolling agreement. No long-term contracts, no fuss – just simple selling!

How do I pay my subscription fee?

To pay your subscription fee, add your credit or debit card during the signup process. Your subscription will be activated, and future fees will be automatically charged to that card on the same day each month as your initial payment. If your billing date falls between the 29th and 31st, the payment will be processed on the 28th of each month. It's that simple!