4 Projects

Four services,
all running in production.

Not demos and not mockups: every one of these addresses has search traffic, users and bills we either pay ourselves or settle with a client each month. Below is what they do — each one has its own page.

Case 01 live 2026

Świadectwo Energetyczne 24

swiadectwo-energetyczne24.plService portal

Energy performance certificates ordered online: a questionnaire, payment, and a finished document from a licensed assessor. 1–2 business days as standard, eight hours in express mode.

26,000+certificates issued
650+partners and estate agencies
8 hexpress turnaround
  • online ordering
  • payments
  • national register
  • assessor network
  • 18 cities

Read the case study swiadectwo-energetyczne24.pl

Case 02 live 2026

OpenBookRank

openbookrank.comOwn product

Book rankings computed from open sources reduced to a single scale. Plus reading order for series — the question the internet answers worst.

1,423books ranked
854,800ratings behind them
6languages in production
  • rankings
  • series and order
  • 32 categories
  • 6 languages
  • open data

Read the case study openbookrank.com

Case 03 live 2026

Kalkulatory Płace

kalkulatory-place.plOwn product

Thirty-four calculators on 2026 rates: gross-to-net, contracts, B2B, VAT, credit, pensions. Everything is computed in the browser — the figures you type never leave your device.

34calculators in six categories
169occupational groups from GUS data
0data points sent to a server
  • gross-to-net
  • B2B and VAT
  • credit
  • GUS data
  • privacy

Read the case study kalkulatory-place.pl

Case 04 live 2026

Licea Progi

licea-progi.plOwn product

A points calculator for Polish secondary school admissions that counts the way the board does, plus past thresholds, remaining places and city data for over three thousand schools.

3,100+schools in the database
335cities with a dedicated page
200 ptsthe statutory algorithm
  • points calculator
  • thresholds
  • remaining places
  • 335 cities
  • GUS data

Read the case study licea-progi.pl

Want something like this?

The first conversation is free and takes an hour — enough to say whether it can be done and roughly what it costs.

See how we work