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Integrated accounting, tax, payroll and compliance solutions in Luxembourg

Accuracy, transparency and efficiency let you focus on your core business while we take care of your obligations

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Services

Accounting, tax and corporate services in Luxembourg

Choose one service or combine several into one integrated solution for your company in Luxembourg.

Accounting

Bookkeeping, day-to-day accounting and complete annual accounts

Payroll Services

Salary calculations, employment contracts, liaison with the CCSS and CNS, and salary payments

Tax Consulting

Tax analysis, planning and compliance, including liaison with the AED (VAT) and the ACD (direct taxes)

Due Diligence

Financial, legal and operational analysis before an acquisition, investment or partnership

Registered Legal Address

A prestigious Luxembourg address for official correspondence and corporate purposes, without the costs and commitments of a physical office

Company Incorporation

S.à r.l., SA or SCI: we coordinate every step of setting up in Luxembourg

Tax Litigation

Strategic support in disputes with the Luxembourg tax authorities

Compliance

VAT registration and deregistration, VAT returns, EC Sales Lists and every related declaration

Funds & Regulatory Services

Incorporation of funds and fund managers, regulatory reporting, AML, SFDR, GDPR and UBO compliance

Not sure where to start?

Book a free first consultation and we will map your obligations

Integrated solutions

From incorporation to annual accounts, one continuous file

Your accountant, payroll team and compliance officer work from the same information, so nothing is lost between departments.

01

Set up

Incorporation · Registered legal address

02

Run

Accounting · Payroll · VAT

03

Comply

AML/KYC · Corporate Governance · Funds

04

Protect & grow

Tax Consulting · Due Diligence · Tax Litigation

Online services

Online services, run by our experts

Payroll, AML/KYC, corporate governance and accounting online, built for Luxembourg rules, with every result checked by a QCS specialist.

Online service

Payroll

Payslips, CCSS declarations and wage-tax returns prepared online and checked by a QCS specialist. €15 per payslip, first month free for up to 10 payslips.

€15 per payslip · first month free, up to 10 payslips

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Online service

AML/KYC

One structured KYC file per client: documents read by AI, beneficial owners checked against the RBE, sanctions and PEP screening, declarations ready to sign

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Online service

Corporate Governance

Corporate changes in one flow: new managers or directors, new shareholders, share capital and transfer of the registered office

Online service

Core Accounting

Bookkeeping, bank reconciliation, VAT and annual accounts with eCDF export

Online service

Shareholdings & Investments

Portfolios, market prices, revaluation and reports on any date

Online service

Loans

Schedules, interest, accruals and entries for every loan

Online service

Real Estate

Leases, tenant balances, building costs and reconciliation

Online service

Group Consolidation

Eliminations, currency translation, minority interests and four GAAPs

Online service

Funds, SICAV & NAV

Sub-funds, share classes, fees and reproducible NAV

Compliance calendar 2027

Every 2027 deadline for your Luxembourg company, on one page

VAT, wage tax, social security, corporate tax and annual accounts, month by month. Free PDF in English and French.

See the calendar →
By the 10thWage tax
Before the 15thVAT
By the 24thCCSS
Johel Blanchard, Managing Partner, QCS Luxembourg
About QCS

Beyond the balance sheet

We strive to go beyond the balance sheet and give our clients customised advice. That is why we have digitalised our processes: to make more room for the time that adds value for the people and companies who work with us

Johel BlanchardManaging PartnerMember of the Ordre des Experts-Comptables (OEC), Luxembourg

We work with entrepreneurs, international groups and investment funds that need their Luxembourg obligations handled with accuracy, transparency and efficiency.

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01

Accuracy, transparency, efficiency

The principles behind every set of accounts, every payslip and every filing we prepare

02

Customised advice

Advice built around how your business operates, from the first consultation to the annual accounts

03

Digitalised processes

Online payroll and AML/KYC leave our specialists more time for advice

Contact

First consultation free of charge

Tell us about your company. In 30 minutes we map your obligations, then send you a written scope and fee proposal.

The Luxembourg compliance briefingOne email a month: upcoming VAT, payroll and tax deadlines and the regulatory changes that affect your company.Get the 2027 compliance calendar →

Contacts

QCS Luxembourg S.à r.l.

3, Boulevard Royal
L-2449 Luxembourg

+352 26 550 733 Get directions
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Online payrollAML/KYC online

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