App links
Built for the § 1a KStG advisory conversation
Put the partnership, the § 1a option, and a GmbH on one screen — then decide with numbers.
KStG Optionsmodell 2026 models Germany's § 1a KStG corporate-tax option for partnerships in a focused advisory workflow, so the choice is driven by figures rather than gut feel.
Quick facts
- Pricing
- Free to download, with a one-time Premium Pro unlock for longer projections, more partners, the full GmbH view, PDF and CSV export, and ad removal — no subscription.
- Platforms
- iPhone, iPad
- Best for
- Tax advisors, partnership owners, and multi-partner family businesses weighing the § 1a KStG election or a GmbH conversion.
- Availability
- App Store ID 6764435617
Compare the transparent default partnership, the § 1a KStG corporation-tax option, and a full GmbH conversion side by side using profit, trade-tax Hebesatz, distribution rate, partner shares, church-tax status, and the assessment type.
Launch kit
KStG Optionsmodell 2026 links, release notes, and shipping details
This section keeps the practical launch information in one place so the page can work as a product landing page, support hub, and handoff point for future catalog growth.
Launch details
- Pricing
- Free to download, with a one-time Premium Pro unlock for longer projections, more partners, the full GmbH view, PDF and CSV export, and ad removal — no subscription.
- Platforms
- iPhone, iPad
- Current version
- 1.1
- Last updated
- May 1, 2026
- Category
- Compliance and document tool
- App Store ID
- 6764435617
Latest release
2026 parameters and richer exports
This release updates the comparison to 2026 parameters and refines the multi-year projection, the sensitivity analysis, and the PDF and CSV export of the comparison sheet in Premium Pro.
What it helps with
What KStG Optionsmodell 2026 helps you do
This page is designed to explain the app clearly, show how the workflow fits together, and help the right user decide quickly whether the product is a fit.
Compare the transparent default partnership, the § 1a KStG corporation-tax option, and a full GmbH conversion side by side using profit, trade-tax Hebesatz, distribution rate, partner shares, church-tax status, and the assessment type.
Key signals
3 Paths compared
§ 1a KStG option
5 yr Projection in Pro
0 Cloud, no accounts
- Every calculation runs on your device
- No account, no cloud sync, no analytics on your tax inputs
- Quick-pick Hebesatz presets for major German cities
- Premium Pro is a one-time unlock, never a subscription
Product screens
KStG Optionsmodell 2026 in use
Step by step
How KStG Optionsmodell 2026 fits into the workflow
Enter the partnership facts
Set profit, the municipal trade-tax multiplier, distribution rate, partner shares, church-tax status, and the assessment type.
Compare the three paths
See the transparent partnership, the § 1a KStG option, and a full GmbH conversion side by side with the tax stacked out.
Project and pressure-test it
In Premium Pro, run a multi-year projection and sensitivity analysis, then export the comparison sheet to PDF or CSV for the client conversation.
Feature detail
Why teams choose KStG Optionsmodell 2026
What it calculates
The full § 1a tax stack, not a single number
The app builds each path from the components that actually move the decision, so the comparison holds up under scrutiny.
- Körperschaftsteuer at 15% under the § 1a KStG option, plus Solidaritätszuschlag
- Gewerbesteuer using your municipality's Hebesatz with city quick-picks
- Kapitalertragsteuer on distributions, plus Soli and optional church tax
- § 35 EStG trade-tax credit in the transparent partnership model
Advisory workflow
Built for the conversation before the instruction
It is designed for the moment a Steuerberater or partner needs a numeric comparison before instructing legal counsel or filing the election.
- Side-by-side partnership, § 1a, and GmbH conversion views
- Distribution-rate modelling and per-partner personal-tax impact
- Filing-deadline awareness for the § 1a application window
Premium Pro
Projections, exports, and deeper scenarios
When two partners and three years are not enough, Pro opens the model up and lets you hand the numbers off cleanly.
- Multi-year projection up to 5 years with growth assumptions
- Sensitivity analysis on profit, Hebesatz, and distribution rate
- PDF and CSV export of the comparison sheet, ad-free
Recent updates
What has changed recently in KStG Optionsmodell 2026
A lightweight release history helps these app pages act like living product documents instead of frozen launch announcements.
1.1
2026 parameters and richer exports
This release updates the comparison to 2026 parameters and refines the multi-year projection, the sensitivity analysis, and the PDF and CSV export of the comparison sheet in Premium Pro.
Best fit
Who KStG Optionsmodell 2026 is built for
Tax advisors
For Steuerberater preparing a client conversation about whether to opt into § 1a before the next assessment year.
Partnership owners
For partners who want a numeric GmbH-versus-OHG/KG comparison before instructing legal counsel.
Family businesses
For multi-partner businesses modelling distribution rates and the personal-tax impact for each partner.
Questions
Questions people ask before downloading KStG Optionsmodell 2026
What does the app compare?
The transparent default partnership, the § 1a KStG corporation-tax option, and a full GmbH conversion path, side by side, using your profit, Hebesatz, distribution rate, partner shares, and church-tax status.
Is this tax advice?
No. It is an informational calculator and comparison tool, not tax advice within the meaning of the German Steuerberatungsgesetz. Binding decisions must be reviewed by a qualified Steuerberater or Rechtsanwalt against current law.
Where do my numbers go?
Nowhere. Every calculation runs on your device with no account, no cloud sync, and no analytics on your tax inputs. The app is independent and not affiliated with any German tax authority.
Beyond the app
Need something more tailored than KStG Optionsmodell 2026?
If your tax practice needs this § 1a logic inside a larger client-engagement, document, or reporting workflow, I can build a tailored comparison and export tool around how your firm actually works.
- Custom partnership and corporate-tax comparison engines
- Branded PDF and data exports for client deliverables
- A bridge from a single calculator to a firm-wide workflow
KStG Optionsmodell 2026
Download KStG Optionsmodell 2026, then extend the workflow if your team needs more.
Start with the shipping app when it solves the core job. If you later need approvals, reporting, portals, or a more specialized internal workflow, that can become a custom build.