
Payroll management for construction companies in Birsfelden: what every SME should know
Between VAT, social contributions and the year-end close, a Swiss SME juggles dozens of deadlines a year. This page focuses on payroll management in Birsfelden: what the law requires, what can be automated, and when to delegate.
The Swiss legal frame for payroll management
Three documents summarise the health of a Swiss business: the balance sheet (what it owns), the income statement (what it earns) and the notes (what else you should know). All the work of payroll management converges on those three pages, in Birsfelden too.
One simple principle drives payroll management: every franc in or out must be explainable by a document, an entry and an account. All of Swiss accounting law fits inside that traceability requirement.
A Swiss SME's accounting calendar
Extensions exist and can be requested: cantonal deadlines for the tax return, deferral of the VAT filing on a reasoned request. But an extension does not stop interest: on VAT, default interest runs from the ordinary due date even when more time has been granted.
For payroll management, two dates lock themselves in every year: the January salary declaration and the general meeting within six months — everything else is planned around them.
Outsource payroll management or keep it in-house?
Splitting roles clearly avoids duplication: the company captures documents and approves payments; the fiduciary checks postings, closes the year and defends the file before the authorities. Each side does what it does best — and nobody keys the same invoice twice.
For payroll management, the internal-external duo works when both sides see the same file: same entries, same documents, same deadlines. Misunderstandings are born from parallel copies.

Salaries and social contributions: the rates to know
Hiring the first employee triggers everything at once: affiliation to AHV and LPP funds, accident insurance, family allowances, working-time rules. A complete payroll file from day one avoids catch-ups.
An employer in Birsfelden does well to fix payday on a set day of the month: funds, employees and cash flow organise around it, and payroll management becomes routine instead of a sprint.
Birsfelden: what changes, what does not
Sole proprietorship, Sàrl or SA in Birsfelden: the AHV contact remains the competent compensation office, and taxes follow the scales of the canton Basel-Country.
For a business in Birsfelden, that means VAT returns identical to anywhere in Switzerland, but a tax return and family allowances governed by the canton Basel-Country.
Frequently asked questions
What are the legal obligations for payroll management in Switzerland?
The foundation is the Code of Obligations: proper bookkeeping (art. 957a CO), annual accounts (balance sheet, income statement, notes) and 10-year retention of books and records (art. 958f CO). VAT applies from CHF 100,000 of turnover, and social insurance settlements from the first employee. Nothing is different in Birsfelden: federal law applies.
How much does payroll management cost in Birsfelden?
It depends on document volume, the number of salaries and VAT complexity — no serious figure can be quoted without examining the file. Two levers cut the bill everywhere: digitised, well-filed receipts and software that prepares entries instead of having them re-keyed.
Does MyFiducia.ai work for a business based in Birsfelden?
Yes: the platform runs online, the rules applied are federal (VAT, CO, AHV), and the file can be shared with any fiduciary. A business in Birsfelden manages its documents, VAT and exports exactly as anywhere in Switzerland.
How long must records related to payroll management be kept?
Ten years from the end of the financial year concerned (art. 958f CO). Electronic retention is permitted if the integrity and readability of the records are guaranteed — a serious digital archive validly replaces paper binders. A business in Birsfelden can therefore archive fully digitally.
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Switch to accounting that keeps itself up to date
MyFiducia.ai automates payroll management for businesses in Birsfelden: AI-read documents, posting suggestions, VAT and exports ready for your fiduciary. Try the platform or browse our other guides.
The application is operated in French.