Dedicated tools in B2B: an edge a price list can't copy
Dedicated tools in B2B: why an industry calculator in your store wins customers before price does, keeps them coming back and builds an edge price can't copy.
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B2B sales in practice — no textbook theory.
Concrete guides on how to run sales to recurring business customers: a B2B sales platform, invoicing and KSeF, deferred payments, shipping and integrations. Written from experience gathered on live processes.
PV system size calculator: how an electricity bill becomes 8.77 kWp
PV system size calculator: how an electricity bill becomes a target size in kWp, what roof efficiency and grid balance add, and why it's higher than it seems.
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Building heat load calculator: where the number behind the quote comes from
Building heat load calculator: how building parameters, fuel use or boiler output become a kW figure and an energy class — and then a matching heat pump quote.
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PV mounting calculator: how panel rows become a bill of materials
PV mounting calculator: how panel rows and the roof covering become a bill of materials — clamps, rails, hooks, fixings — at the customer's prices, in the cart.
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Materials for B2B customers: price lists and product sheets without e-mail
Materials for B2B customers without e-mail: price lists and product sheets in a store repository, visibility per customer group, product images without copying.
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Individual price lists in B2B: per-customer pricing without spreadsheets
Individual price lists in B2B without spreadsheets: price groups, customer group rules, product prices, a clear order of precedence and a customer price view.
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KSeF 2026: what changes in B2B sales and how to prepare
KSeF 2026 is already mandatory in B2B sales. Deadlines, invoice issue and receipt dates, penalties and KSeF numbers in transfers from 2027, and how to prepare.
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Invitation-only B2B store — why a closed catalog sells better
Invitation-only B2B store: why a closed catalog sells better, how to invite a customer step by step, when it is the wrong choice and what it means for Google.
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Deferred payments in B2B without losing liquidity
Deferred payments in B2B without losing liquidity: the 60-day legal limit, VAT before payment, loans vs factoring vs buyer financing, and terms per customer.
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White-label in B2B: a store under your brand, not someone else's
White-label in B2B: a store under your own brand. What customers see in the store, in emails and on invoices, why your own SMTP matters and what doesn’t change.
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Integrations in B2B: invoices, payments and shipping on one order
Integrations in B2B: an inFakt or Fakturownia invoice, a gateway payment and an InPost or Apaczka shipment from one order. What works and where to start.
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Net prices in B2B sales: why net is the main number
Net prices in B2B sales: why net is the main figure in the catalog, when customers count in gross, and how net works with discounts, corrections and invoices.
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How to invite your first customers to an invitation-only B2B store
How to invite your first customers to a B2B store: add the company by tax ID, send a personal link to the buyer, start with one customer. Steps, pitfalls, FAQ.
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