Niko Nurmentaus

Niko Nurmentaus

Product Lead

Niko leads product at Flux. He took global payroll from MVP to launch across 15 markets at Deel and has built consumer platforms used by hundreds of thousands of people. He writes about the operational reality of running payroll across borders.

Articles by Niko Nurmentaus

Payroll Calculations
The German Minijob: Why It Exists and How Payroll Handles It

The Minijob is one of the most distinctly German things in payroll. It is a job deliberately kept small enough that, for the worker, gross pay and take-home pay are almost the same number. No income tax, no social-security deductions from the employee’s side...

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HR & Labor Law
Are Your Platform Workers Actually Employees? Portugal's Article 12-A and the 2025 Supreme Court Wave

Picture a food-courier or a ride-hailing driver in Lisbon. They signed up through an app, they are labeled a self-employed provider, they invoice for their work, and everyone involved has treated...

Blog image: gig
Payroll Calculations
Mexico's Payroll Tax Is Rising, One State at a Time: The 2025–2026 ISN Increases

A company with a warehouse in one Mexican state, a sales office in another, and stores in a third pays the Impuesto Sobre Nóminas, the state payroll tax, separately in each one, at whatever rate that...

Blog image: mexicomap

Guides by Niko Nurmentaus

HOW-TO GUIDES
How Collective Agreements Become Binding in Germany: Five Routes, Not One

If you have run payroll in France, Portugal, or Spain, you carry an instinct that quietly breaks the moment you cross into Germany. A German collective agreement, a Tarifvertrag, binds almost no one automatically, and yet Germany still reaches roughly 70 percent effective coverage...

Blog image: germanyunion
HOW-TO GUIDES
Sectoral Extension of Union Agreements in Portugal: How It Works and Why the Rules Vary by Region

Picture two retail cashiers. Same chain, same job description, same cash register. One works in a shop in Oeiras, just outside Lisbon. The other works in Santarém, about an hour up the road. Neither...

Blog image: workplace