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NewRead the first lesson free before you buy.

Your numbers, in good order.

A self-study course with ready spreadsheet templates for freelancers and sole traders: quotes, hourly rates, expenses and a clear income overview.

  • Works in Excel and similar tools
  • Templates you can adapt
  • Pay once, in euros
What you get

At a glance

Quotes that add up

A quote template with clear line items.

Know your rate

Work out an hourly or day rate step by step.

Income overview

See income and costs by month at a glance.

Checks built in

Simple formulas that flag mistakes.

How it works

  1. Choose a pack

    Course, course with templates, or team licence.

  2. Download link by e-mail

    Personal access link.

  3. Fill in your numbers

    Follow the lessons, compare with model solutions.

Pricing

Clear prices in euros

Self-study course

Lessons you can read and follow along

€49

one-time

  • Lessons you can read and follow along
  • Exercises with model solutions
  • Access by personal link

Course + template pack

Everything in the course

€79

one-time

  • Everything in the course
  • Ready templates: quote, pricing, income overview

Team licence (up to 10 people)

Everything in course + templates

€249

one-time

  • Everything in course + templates
  • Use for up to 10 people in one company

All prices are final prices. No VAT is charged (small business under § 19 German VAT Act).

Gridhouse compared

What similar offers typically cost.

GridhouseTypical elsewhere
Pricefrom 49 EUR, onceCourse platforms typically 15-100 EUR; certified courses 300 EUR+
Templatesincluded in the template packoften sold separately
Formattext + filesoften long videos

Status: November 2026. Ranges from publicly visible prices of well-known providers; no guarantee. To be re-checked before launch.

What you can rely on

  • Self-study only

    No marking, exam or certificate.

  • Small business

    No VAT charged (small business, Sec. 19 German VAT Act).

  • Technical help

    By e-mail within 1-2 working days.

Questions

Does it replace an accountant?

No. The templates are examples for organising your own numbers. For tax questions ask a qualified adviser.

Excel or other tools?

The files are built for Excel and open in most spreadsheet programs; some functions may differ.

Is there marking or a certificate?

No. Self-study only, with model solutions for self-checking.

Who can buy?

Private buyers from the EU, CH, LI, NO and IS; companies from almost anywhere (EU companies need a VAT ID).

Ask a question or register interest

Write us briefly. We reply by e-mail.

  • Reply in 1-2 working days

  • No advertising, no sharing

We only use your details to answer your request – no advertising, no sharing. See our privacy policy.

Put your numbers in order.

Free to ask, no obligation.