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Kalkulo.eu

Interactive prototype · sample data · stored only in this browser · no account, sync, automatic alerts, billing, or transmitted forms.

Workspace preview

The paid product starts as a saved calculation desk.

This interactive prototype shows the proposed Pro surface: sample client folders, browser-local scenario state, source checks, review notes and exports.

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Northstar Hiring

Madrid offer package

Review
Market Spain
Calculator Salary
Tax year 2026
Last edited Today
Net monthly pay 2,184.72 EUR

Spain payroll, 2026

Employer cost 3,471.20 EUR

Social security included

Delta vs UK -418.90 EUR

Take-home comparison

Source checks 6 / 6

Official links attached

Export package
Section Owner State
Inputs Payroll Locked
Assumptions Advisor Reviewed
Official sources Kalkulo Fresh
Client note Advisor Drafted
Founding pilot

Payroll and HR compensation brief

Qualification only

One cross-border compensation brief: one role, two country scenarios, one effective month — delivered as a reviewed, source-linked PDF and CSV once scope, VAT and the total payable are confirmed in writing.

Saved payroll
8 scenarios
Markets
3 countries
Cadence
Monthly review
  • Offer and payroll estimates Salary, net pay and employer-cost scenarios
  • People-ops companion checks Leave, severance and working-time calculations
  • Client delivery Brief and PDF, delivered by the founder on request
Monthly export Payroll pack CSV

Download a local CSV of saved payroll inputs and result rows for monthly review.

CSV export stays in this browser.

Export history Payroll export watch

Downloaded payroll CSV receipts will appear here without saving calculation values.

Last export
No local CSV yet
Rows
0 rows
Watch
Waiting for export
Companion checks
    Source review Review source checks

    No source review recorded yet.

      Founding pilot Cross-border compensation brief — one role, two countries, one month

      Proposed pilot price: EUR 29 one time, excluding VAT. Business customers only. We confirm your country/profile coverage, applicable VAT and total payable in writing before you accept. Manual delivery; no subscription or automatic renewal. Country/profile availability is confirmed after review.

      1. Qualify the scope Role, exactly two country scenarios, one effective 2026 payroll month, one gross-pay basis, business contact and billing details.
      2. Confirm terms in writing We confirm country/profile coverage, applicable VAT, the total payable and a delivery date before you accept anything.
      3. Deliver the reviewed brief One source-linked PDF and matching CSV with inputs, assumptions, law articles, rules versions and a named review record; one clarification round included.
      Qualification request Request scope and invoice terms

      Opens an email draft to [email protected]. Nothing is sent until you press Send in your email app.

      Supported profile: ordinary resident employee, one local private-sector employer, a complete ordinary payroll month, fixed cash salary, euro scenarios. Sole traders, directors, pensioners, multiple employers, posted workers, expatriate regimes, bonuses/equity, leave and severance are outside the pilot. Your calculation inputs stay in this browser until you choose to send them.

      Client brief

      Madrid offer package summary

      Print view

      A client-ready draft would summarize the saved calculation, top-line results, assumptions and official-source checks before it is exported.

      • Net monthly pay 2,184.72 EUR
      • Employer cost 3,471.20 EUR
      • Source checks 6 / 6 attached

      Preview only. Nothing is sent.

      Founding pilot

      Charge for memory, review and delivery.

      The free site can keep answering one-off questions. Pro earns a monthly fee when a calculation becomes part of a professional file: what was entered, who checked it, which sources supported it, what changed later and what went to the client.