“The MainSquare card will be a QR-powered mini-store in your customer’s pocket.”
Sell what you offer without building a full store. MainSquare helps you sell your top 3 products or services directly from your digital card no full website, no coding, no hassle. Share your link, get paid, and keep things super simple for you and your customers.
- Accept payments in 100+ countries with built-in Stripe payment platform
- Choose between instant payments or email orders
- Customers can pay via link, QR code, or wallet card — in seconds
- No technical setup
You get your own PocketShop, ready to use from day one.
Your card changes. So do theirs. Your smart Wallet card (Apple/Google Wallet) is created automatically. It links to your personal PocketShop with your photo, links, and contact info always mobile-ready and easy to share.
- One update = automatic sync for all card holders
- Looks like a modern business card, works like your mini-site
- Customizable for business, personal, or local government use
- Keeps even past customers always up to date and reminded over time
Just scan, tap, or share — you’re one step away from any customer.
Let your card do the talking — and the selling. Every customer who scans or saves your card can follow your updates automatically. You change your offer — they see it. Even better, they can share your card with others, helping you grow through word-of-mouth and trust.
- Your always-on sales assistant — works even when you’re offline
- Automatic customer updates & notifications
- Each card doubles as a shareable marketing tool
- Turns customers into promoters — effortlessly
Your offer stays active — even when you’re not.
How Different Businesses Can Use The MainSquare.

“My card made me globally bookable. Turned my CV into a living tool. I showcase my skills, offer consultancy, and get paid.”

“I update my listings and offers and my former clients see them right away. No newsletters, just referrals on autopilot.”

“Families and teams book our group dinners straight from our link. Simple, elegant, and it brings in new bookings even while we’re offline - keeps tables full.”

“My entire coaching business runs from one card. Clients can book, pay, and recommend me without needing a website.”

“I sell fresh produce without terminals or apps. My card shows what’s new tomorrow, and my regulars share it like it’s the morning news.”

“My MainSquare card works like a smart flyer on which people can instantly see what I offer, buy or reserve a session without needing to contact me. It keeps my calendar full."

“Our customers buy products, ask for quick advice, and share our card with their friends. We’re gaining new customers without lifting a finger.”
Simple Tools. Serious Impact.
Everything you need is delivered straight to your inbox after a simple registration.
