The all-in-one commerce platform

Run the whole shop
from one place.

Your storefront, your stock, your orders, your couriers, your invoices and your tax — in a single platform instead of six subscriptions that disagree with each other.

30-day trial, no card. Bring your own couriers and keep your rates.

HeroAn order moving from an online shop through stock, invoicing and tax, out to a courier and back to the seller’s own tracking page
An order moving from an online shop through stock, invoicing and tax, out to a courier and back to the seller’s own tracking page
One platform from the moment an order arrives to the moment it lands — your shop, your stock, your tax and your courier, without a single spreadsheet in between.

Works with the marketplaces and couriers you already use

  • Amazonamazon
  • eBayebay
  • EtsyEtsy
  • UPSups
  • FedExFedEx
  • DHLDHL
The problemA seller’s desk late in the evening, covered in a laptop, phone, printed orders and handwritten stock notes
A seller’s desk late in the evening, covered in a laptop, phone, printed orders and handwritten stock notes
If this is your evening — a laptop, a phone, printed orders and a notebook of tallies — you are paying six times to do one job.

Six tools, four logins, one person. This is what “we’ll sort the systems out later” looks like by month nine.

Sound familiar?

None of this is a software problem until it is 9pm on a Sunday.

Growing sellers do not lose time to one big thing. They lose it to six small ones that nobody owns.

  • 01

    The business is spread across eight tabs

    A shop admin here, a courier panel there, a seller portal per marketplace, stock in a spreadsheet, and the accountant in your inbox. Nothing agrees with anything else, and every one of them bills you monthly.

  • 02

    You just sold the last one twice

    It went on the website and on a marketplace in the same hour. Now you cancel an order, apologise to a customer, and take the hit on your seller rating — for a unit you never had.

  • 03

    Revenue is not profit, and nobody can tell you which

    Take off cost of goods, shipping, payment fees, marketplace commission and returns, and the healthy month can turn out flat. Most sellers find out months later, from someone else.

  • 04

    "Where is my order?", forty times a day

    You paste a tracking number into a message, the customer lands on a courier page that tells them nothing, and they come back to you anyway. Support becomes a full-time job nobody was hired for.

  • 05

    Tax arrives all at once, at the worst time

    The rate depends on where the parcel is going, the invoice has to be right the first time, and the return is due on a date that never moves. It becomes a scramble every single period.

  • 06

    Every new sales channel means retyping everything

    The same products, the same photos, the same prices, keyed in again in a different format. So you put off the channel that would have grown the business.

12
connected areas, one login
1
product record, every channel
0
add-ons for tax or compliance
30
day trial, no card
What you get

One platform, twelve jobs it does for you.

Each of these would normally be its own subscription, its own login, and its own export to reconcile at month end. Here they are simply parts of the same product.

Sell

Put the product in front of buyers, wherever they are.

Storefront

A shop that is actually yours

Your own D2C site and checkout, hosted by us. You are not renting a slot in someone else’s marketplace, and you are not one policy change away from losing your customer list.

  • Themes and content pages
  • Checkout rules
  • Discounts and promotions
  • Your own domain
Catalog

Enter a product once

One master record every part of the platform reads from — including every marketplace you list on. Change a price in one place and it is the price everywhere.

  • Size and colour matrix
  • Bulk import with a dry run
  • Collections and rules
  • Image library
Marketplaces

List once, sell everywhere

Push your catalogue to the marketplaces you sell on and keep stock and orders in step automatically. One listing manager instead of a browser tab per channel.

  • Amazon and eBay
  • Stock kept in sync
  • Orders pulled into one queue
  • Bulk publishing

Operate

Turn an order into a delivered parcel without the scramble.

Orders

Every channel in one queue

Storefront orders and marketplace orders land in the same place, in the same shape. Fulfil, cancel, refund and run a return end to end without opening another system.

  • One order book
  • Returns and refunds
  • Cash-on-delivery confirmation
  • Failed-delivery queue
Inventory

Know what you hold, and where

Stock counted per variant, per warehouse — not one number for the whole business. Every movement is on the record, so a discrepancy has an explanation instead of a shrug.

  • Multiple warehouses
  • Movement history
  • Purchase orders and receiving
  • Stock counts and transfers
Shipping

Your couriers, your tracking page

Connect the carrier accounts you already have and keep the rates you already negotiated. We handle labels and handover paperwork — and the tracking page stays on your site.

  • Labels and manifests
  • Multiple carriers
  • Live status updates
  • Tracking on your domain

Get paid

Invoices and tax handled as the sale happens.

Invoicing

Paperwork that stands up

A correct invoice for every sale, issued as it happens rather than rebuilt at period end. Once sent, an invoice is never quietly edited — a correction is a credit note, the way it should be.

  • Automatic invoices
  • Credit notes on returns
  • Your branding
  • Bulk export for your accountant
Tax

The right tax, at the moment of sale

Worked out when the order is placed, not reconstructed afterwards. The buyer sees the right total, the invoice carries the right treatment, and your return is built from real orders.

  • Rate by destination
  • Business and consumer sales
  • Returns prepared for filing
  • Full history behind every figure

Stay in control

Know the numbers, and decide who can touch what.

Insights

What you actually made

Profit after cost of goods, shipping, payment fees and returns — by product, by channel, by month. Plus the questions that follow: who buys twice, what gets sent back, where checkout leaks.

  • Profit and loss
  • Repeat customers and retention
  • Checkout funnel
  • Returns analysis
Team and access

Hire without handing over the keys

Give a packer the picking screens and nothing else. Give your accountant the invoices without the customer list. Every change is recorded, so "who did this, and when" always has an answer.

  • Roles and invitations
  • Permission per action
  • Complete change history
  • Login controls
Developers

An API when you outgrow the screens

Build your own front end, or push what happens here into the systems you already run. Keys, event delivery and the full reference live inside your account — no sales call to get access.

  • REST API
  • Scoped keys
  • Event webhooks
  • Test mode
Your account

One plan, no surprise line items

Your subscription, what you have used against it, and your company details. The tax engine is not an add-on and compliance is not a premium tier — it is in the price.

  • Usage against your plan
  • Company profile
  • Upgrade in place
  • No per-feature add-ons

Take the full product tour

One back-office

Everything in one view, so nothing gets missed.

Every channel, every warehouse and every number in one place. No spreadsheets to keep in step, no exports to reconcile.

The dashboardThe dashboard — orders, stock, shipments and this month’s numbers together in one screen
The dashboard — orders, stock, shipments and this month’s numbers together in one screen
Open one screen in the morning and see everything: what sold, what shipped, what is running low and what you owe.
01Sell

Your own shop — plus every marketplace.

Run a D2C store you actually own, and list the same catalogue on the marketplaces where buyers are already searching. Enter a product once; it goes everywhere, and stock stays honest across all of it.

  • Hosted shop and checkout on your own domain
  • One catalogue pushed to every marketplace
  • Sell a unit anywhere, stock drops everywhere
See selling
Your shopA brand’s own online shop, with products laid out and a size selector
A brand’s own online shop, with products laid out and a size selector
Your own shop, on your own domain, with sizes and stock that stay true because they come from the same place your warehouse does.
TEE-BLK-M In sync
  • Your shop7
  • Amazon7
  • Etsy7

One sold anywhere → every channel drops to 6, immediately.

02Operate

From order to doorstep, without the tab-hopping.

Orders from every channel arrive in one queue. Pick from the right warehouse, buy the label with your own courier account, and let the customer follow the parcel on your site rather than somebody else's.

  • One queue for storefront and marketplace orders
  • Your carrier accounts and your negotiated rates
  • Tracking page stays on your domain
See operations
Order queueThe order queue, showing orders arriving from a website and from marketplaces in one list
The order queue, showing orders arriving from a website and from marketplaces in one list
Every order from your website and every marketplace lands in one queue, so nothing is missed because it arrived somewhere else.
UPSupsUPSyourbrand.com/track
  1. Label createdOrder #1042
  2. Picked upLouisville hub
  3. In transitNow · Columbus
  4. Out for deliveryChicago
  • UPSups UPS
  • FedExFedEx FedEx
  • DHLDHL DHL Express
03Understand

Find out what you made, while you can still act on it.

Revenue is the easy number. We take off what the sale actually cost you — goods, shipping, payment and channel fees, returns — and show the profit by product, by channel and by month.

  • Profit after every cost, not just revenue
  • See which products and channels really pay
  • Repeat customers, returns and checkout drop-off
See the numbers
Your numbersA profit breakdown showing revenue reduced by cost of goods, shipping, fees and returns
A profit breakdown showing revenue reduced by cost of goods, shipping, fees and returns
See what you actually made — revenue after cost of goods, shipping, fees and returns, not just what came in.
This month
Revenue$23,400
Cost of goods−$9,040
Shipping−$2,390
Payment & channel fees−$1,220
Returns−$1,570
Actual profit$9,180
Built in, not bolted on

The paperwork is handled while the sale is happening.

An invoice for every sale and a credit note for every return, issued as the order is placed rather than rebuilt at month end. US sales tax and nexus are not worked out yet — but the moment you ship to the UK or the EU, that tax is ours and it goes on correctly.

  • A proper invoice for every sale, automatically
  • Credit notes when goods come back
  • UK and EU tax applied on orders you send there
  • US sales tax and nexus: not yet — see below
How tax works here
Where it applies today
  • United StatesNot yet
  • United KingdomLive
  • European UnionLive
  • India — GSTBeta

Everything else on this page — shop, catalogue, stock, orders, shipping and reporting — works wherever you sell.

What changes

The difference shows up in your week, not in a feature list.

Fewer logins, fewer apologies to customers, and a number at the end of the month you can actually trust.

One platform, one login, one bill

The shop, the stockroom, the order desk, the courier and the tax return stop being separate products you glue together at your own expense.

Stock that is right everywhere at once

Sell a unit anywhere and it comes off everywhere, straight away. The oversell you keep apologising for stops happening.

You keep the customer

Your shop, your checkout, your tracking page. Buyers never get handed to somebody else at the moment they care most.

The real number, not the flattering one

Profit after cost of goods, shipping, fees and returns — per product, per channel, per month. Available today, not next quarter.

Who it’s for

Sellers who have outgrown the spreadsheet.

The point where orders arrive faster than one person can track them, stock lives in more than one place, and the monthly numbers stop being obvious. Built around how product businesses actually run — the size and colour grid, the stockroom, the courier, the returns pile.

  • Brands selling direct and on marketplaces
  • Anyone holding stock in more than one place
  • Teams where more than one person touches an order
BrandsA direct-to-consumer clothing brand’s collection
A direct-to-consumer clothing brand’s collection
FulfilmentPacking customer orders at a warehouse bench
Packing customer orders at a warehouse bench
StockroomA stockroom rail of neatly organised products
A stockroom rail of neatly organised products
Why one platform

A shop platform sells. An ops tool ships. You need both, plus the books.

Shop platformwebsite builders
Ops or tax toolbolted on top
Kartsy
Your own shop and checkout
Yes
No
Yes
Marketplace listings, stock kept in sync
Partly
Yes
Yes
Stock across several warehouses
Partly
Yes
Yes
Your courier accounts, tracking on your site
Partly
Partly
Yes
Tax worked out at the point of sale
No
Yes
Yes
Profit after cost of goods and fees
Partly
Partly
Yes
All of it on one bill
No
No
Yes

A dash means partly — usually an add-on, an extra subscription, or an export you reconcile by hand.

The all-in-one commerce platform

Give yourself one place to run the business.

Set up a shop, bring your catalogue across, and put an order all the way through — stock, invoice, tax, label and tracking. Free for 30 days, no card, no courier account needed to try it.