Luxembourg's Trusted Accounting & Business Advisory Partner

Since 1998, we've helped over 500 businesses navigate complex financial challenges with integrity, expertise, and personalized service.

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Comprehensive Professional Services

From tax planning to audit services, we provide the full spectrum of accounting and advisory solutions your business needs to thrive.

Tax Planning & Compliance

Strategic tax optimization for corporations, partnerships, and individuals. Our team stays current with Luxembourg and international tax law to minimize your liability while ensuring full compliance.

  • Corporate tax planning and filing
  • Individual tax returns (resident & non-resident)
  • International tax structuring
  • Transfer pricing advisory
  • Tax audit representation
From €800/year for individuals | From €2,500/year for businesses

Business Advisory

Strategic consulting to help you make informed decisions about growth, acquisitions, restructuring, and long-term planning.

  • Mergers & acquisitions due diligence
  • Business valuations
  • Restructuring and turnaround
  • Growth strategy development
  • Exit planning
Project-based: €5,000 - €50,000+ depending on scope

Audit & Assurance

Independent financial audits and assurance services providing confidence to stakeholders, lenders, and regulatory bodies.

  • Annual financial statement audits
  • Internal controls assessment
  • Compliance audits
  • Review engagements
  • Fraud detection and prevention
From €8,000/year based on company size and complexity

Bookkeeping & Payroll

Accurate, timely bookkeeping and payroll processing so you can focus on running your business while we handle the details.

  • Monthly bookkeeping and reconciliation
  • Accounts payable/receivable management
  • Full-service payroll processing
  • Cloud accounting setup (Xero, QuickBooks)
  • Financial process automation
From €400/month for basic bookkeeping | Payroll from €25/employee

Financial Reporting

Clear, actionable financial reports that give you visibility into performance and help you make data-driven decisions.

  • Monthly/quarterly management reports
  • Cash flow forecasting
  • Budget vs. actual analysis
  • KPI dashboards
  • Annual financial statements
From €600/month for comprehensive reporting package

Corporate Formation

Expert guidance through entity selection, registration, and initial compliance for startups and new business ventures.

  • Entity structure consulting (Sarl, SA, etc.)
  • Business registration in Luxembourg
  • Shareholder agreements
  • Initial accounting setup
  • Ongoing compliance calendar
Formation packages from €2,500 all-inclusive

VAT & Customs Consulting

Navigate complex VAT regulations, cross-border transactions, and customs compliance with confidence.

  • VAT registration and filing
  • Cross-border VAT advisory
  • Customs duty optimization
  • Intrastat reporting
  • VAT audit defense
From €350/quarter for VAT returns | Advisory hourly at €200/hr

Risk Management

Identify, assess, and mitigate financial and operational risks to protect your business and ensure continuity.

  • Enterprise risk assessment
  • Internal controls design
  • Business continuity planning
  • Insurance needs analysis
  • Regulatory compliance monitoring
Project-based from €4,000 for initial assessment

Succession Planning

Ensure smooth business transitions with comprehensive succession and estate planning for business owners.

  • Family business succession
  • Estate planning coordination
  • Buy-sell agreement structuring
  • Next generation preparation
  • Wealth transfer strategies
Custom engagements from €5,000 based on complexity

Trusted Advisors Since 1998

Sterling & Associates was founded in Luxembourg City by James Sterling, CPA, with a vision to provide personalized, expert accounting and advisory services to the region's growing business community.

What began as a two-person operation has grown into a full-service firm with over 30 professionals serving 500+ active clients across diverse industries. Our growth has been driven by one principle: exceptional service built on integrity, expertise, and genuine client relationships.

Today, we're recognized as one of Luxembourg's leading mid-sized accounting firms, known for combining Big Four expertise with boutique-level personal attention.

Our Core Values

  • Integrity First: We hold ourselves to the highest ethical standards, always acting in our clients' best interests.
  • Expert Knowledge: Continuous learning and professional development keep us at the forefront of accounting, tax, and regulatory changes.
  • Client-Focused: Your success is our success. We tailor our services to your unique needs and goals.
  • Proactive Communication: We don't just respond - we anticipate your needs and reach out with timely insights.
  • Long-Term Partnerships: We build relationships that last decades, not just tax seasons.
Sterling & Associates Office

Certifications & Memberships

Our team maintains the highest professional credentials and actively participates in industry organizations:

ICSEE Member
CPAC Certified
ISO 9001 Certified
Luxembourg Chamber of Commerce
AICPA International

Why Choose Sterling & Associates?

Our clients choose us because we deliver results. With a 98% client retention rate and an average client relationship spanning 8+ years, we've proven that exceptional service and expertise create lasting value.

Unlike larger firms where you're just a number, or smaller firms that lack specialized expertise, we offer the perfect balance: deep technical knowledge across multiple disciplines, combined with partners who know your name and understand your business.

500+ Active Clients
28 Years in Business
€120M+ Assets Under Advisory
98% Client Retention
€15M+ Tax Savings (2025)
30+ Team Members

Industries We Serve

Deep expertise across the sectors that drive Luxembourg's economy

Technology & Startups

R&D tax credits, equity structures, and growth-stage advisory for innovative companies

Real Estate & Construction

Project accounting, cost segregation, and investment property tax planning

Healthcare & Life Sciences

Practice management, regulatory compliance, and healthcare-specific tax strategies

Financial Services

Fund accounting, regulatory reporting, and specialized audit services

Manufacturing & Distribution

Inventory accounting, supply chain optimization, and international tax structuring

Professional Services

Partnership taxation, billing optimization, and succession planning for firms

Non-Profit Organizations

Fund accounting, grant compliance, and exempt organization tax services

Meet Our Leadership Team

Experienced professionals dedicated to your success

James Sterling

James Sterling

Managing Partner
CPA, MSc Taxation • 28 Years Experience

Founded Sterling & Associates in 1998. Specializes in international tax law, corporate structuring, and high-net-worth individual planning. Former Big Four senior manager. University of Luxembourg graduate.

Sarah Mitchell

Sarah Mitchell

Partner - Audit & Assurance
CA, ACCA • 22 Years Experience

Leads our audit practice with 18 years at PwC Luxembourg. Expert in financial statement audits, internal controls, and regulatory compliance. Specializes in financial services and manufacturing sectors.

David Chen

David Chen

Partner - Business Advisory
MBA, CFA • 19 Years Experience

Focuses on M&A advisory, business valuations, and strategic planning for SMEs. Previously with Deloitte Corporate Finance. Has facilitated over €400M in successful transactions.

Marie Dubois

Marie Dubois

Partner - Tax Advisory
Tax Advisor, LL.M • 16 Years Experience

Leads our VAT and indirect tax practice. Expert in cross-border tax planning and EU tax law. Regularly lectures at Luxembourg University on international taxation. Fluent in French, English, German.

Thomas Weber

Thomas Weber

Senior Consultant - Technology
CPA, CISA • 14 Years Experience

Specializes in accounting for tech companies and startups. Expert in R&D tax credits, equity compensation, and revenue recognition for SaaS businesses. Former startup CFO.

Philippe Laurent

Philippe Laurent

Senior Consultant - Real Estate
CPA, CCIM • 12 Years Experience

Dedicated to real estate and construction clients. Expertise in project accounting, cost segregation studies, and 1031 exchanges. Works with developers managing €200M+ in projects.

Emma Rodriguez

Emma Rodriguez

Senior Consultant - Advisory
CA, MSc Finance • 11 Years Experience

Focuses on financial planning, forecasting, and growth strategy for mid-market companies. Expert in financial modeling and scenario analysis. Former investment banking analyst.

Lucas Fernandes

Lucas Fernandes

Tax Associate
EA, MSc Accounting • 5 Years Experience

Handles individual and small business tax preparation and planning. Specializes in expat taxation and cross-border employee matters. Known for exceptional client service and responsiveness.

Sophie Müller

Sophie Müller

Audit Associate
ACCA (in progress) • 4 Years Experience

Works on financial statement audits and review engagements. Strong background in internal controls and compliance testing. Currently completing ACCA certification with distinction grades.

Alexander Kim

Alexander Kim

Bookkeeping Associate
Certified Bookkeeper • 6 Years Experience

Manages day-to-day bookkeeping for 30+ clients. Expert in QuickBooks, Xero, and process automation. Known for catching discrepancies and maintaining impeccable records.

Client Success Stories

Real results for real businesses

Technology • SaaS

€180K Tax Savings Through R&D Credit Strategy

Challenge

A rapidly growing software company was unaware they qualified for significant R&D tax credits. Previous accountant had never mentioned the opportunity.

Solution

We conducted a 3-year lookback analysis, documented qualifying activities, and restructured their project tracking to maximize future credits.

Result: €180,000 in retroactive credits recovered, plus €75K in annual recurring credits. Funds reinvested in product development.
Real Estate • Development

Successful €12M Development Project Financing

Challenge

Commercial developer needed detailed financial projections and clean audited statements to secure construction financing for a mixed-use project.

Solution

We prepared comprehensive 5-year financial models, conducted an audit, and worked directly with lenders to address their due diligence requirements.

Result: Client secured €12M financing at favorable terms. Project completed on time and under budget. Now a repeat client for 3 additional developments.
Manufacturing • Distribution

€95K Annual Savings via VAT Optimization

Challenge

International manufacturer was overpaying VAT on cross-border transactions due to improper classification and missed exemptions.

Solution

Complete VAT compliance review, reclassification of goods, implementation of proper documentation procedures, and training for operations team.

Result: €95,000 in annual VAT savings, plus €42K refund for prior overpayments. Automated processes prevent future errors.
Professional Services • Law Firm

Seamless Partner Succession and Buy-Out

Challenge

45-person law firm needed to structure founding partner's retirement and buy-out without disrupting operations or creating tax inefficiencies.

Solution

Designed 5-year succession plan with staged buy-out, favorable tax treatment, and clear governance transition. Coordinated with legal and financial advisors.

Result: Smooth transition completed over 4 years. Retiring partner achieved full liquidity goals. Firm grew 25% during transition period.
Healthcare • Medical Practice

Multi-Location Practice Growth Strategy

Challenge

Successful medical practice wanted to expand to 3 new locations but lacked clear financial visibility and forecasting to support growth.

Solution

Implemented cloud-based accounting, created location-based P&Ls, built expansion financial models, and provided ongoing CFO-level advisory.

Result: Successfully opened 3 locations in 18 months. Revenue increased 180%. Practice now has clear path to additional expansion.

Our Client Process

A proven methodology for delivering exceptional results

1

Discovery Call

We start with a complimentary 30-minute consultation to understand your business, challenges, and goals.

During this call, we'll discuss your current situation, identify pain points, and determine if we're the right fit. No pressure, no obligations - just a conversation about how we can help.
2

Comprehensive Analysis

Our team conducts a thorough review of your financial situation, systems, and business objectives.

We review past returns, financial statements, and processes. We identify opportunities for improvement, potential risks, and quick wins. You'll receive a detailed written assessment with prioritized recommendations.
3

Custom Strategy Development

We develop a tailored plan with clear recommendations, timelines, and expected outcomes.

Your dedicated partner presents a comprehensive strategy with specific action items, cost estimates, and success metrics. We discuss options, answer questions, and refine the plan based on your feedback.
4

Implementation & Ongoing Support

Together we execute the plan with proactive communication, regular check-ins, and continuous optimization.

We implement solutions systematically, provide regular progress updates, and remain available for questions. Our relationship doesn't end with delivery - we provide ongoing advisory support to help you navigate new challenges.

What Our Clients Say

Don't just take our word for it

Sterling & Associates saved our company over €120K in taxes last year through proactive planning. They don't just prepare returns - they actively look for ways to improve our financial position. Best accounting decision we ever made.

Michael Hartmann
CEO, TechVision Solutions

After 15 years with a Big Four firm where we felt like just another number, Sterling & Associates has been a breath of fresh air. The partners know us by name, understand our business, and respond within hours, not days.

Catherine Moreau
CFO, BuildCorp Luxembourg

The audit process was thorough but efficient. Sarah and her team were professional, prepared, and completed everything ahead of schedule. Our board was impressed with the quality of their work.

Robert Schneider
Finance Director, MedTech Innovations

As a startup founder, I needed more than just bookkeeping - I needed strategic advice. Sterling & Associates helped structure our first funding round, optimize our burn rate, and position us for growth. They're true partners in our success.

Lisa Zhang
Founder & CEO, DataFlow Analytics

The succession planning services were invaluable. After 30 years building my business, I needed expert guidance to transition ownership to my children while minimizing taxes. The process was smooth, and the results exceeded our expectations.

Jean-Pierre Muller
Former Owner, Muller & Sons Manufacturing

We've worked with Sterling & Associates for 12 years across 4 different property developments. Their real estate expertise is unmatched. They understand construction accounting, lender requirements, and help us maximize every project's profitability.

Alexandra Rossi
Managing Partner, Rossi Development Group

The monthly financial reports are clear, actionable, and actually help me make better business decisions. Previous accountants just sent raw data. Sterling & Associates provides analysis and insights that drive our strategy.

Thomas Becker
Owner, Becker Industrial Supply

Outstanding service at a fair price. They found €38K in missed deductions on our first engagement, which more than paid for several years of their services. Highly recommend to any growing business.

Sophie Laurent
President, Laurent Consulting SARL

Frequently Asked Questions

Everything you need to know about working with us

How much do your services typically cost?

Our fees vary based on the complexity and scope of services. Individual tax returns start at €800/year. Small business packages (bookkeeping + tax) start at €6,000/year. We offer transparent, fixed-fee pricing for most services so there are no surprises. During your discovery call, we'll provide a detailed quote tailored to your specific needs.

Do you work with startups and early-stage companies?

Absolutely! We have extensive experience with startups and high-growth companies. We offer startup-friendly pricing packages and understand the unique challenges of early-stage businesses - from entity selection to fundraising preparation to R&D tax credits. Many of our startup clients have grown into multi-million euro businesses while staying with us.

What's your typical response time?

We pride ourselves on responsiveness. Urgent matters receive same-day attention. Routine questions are typically answered within 4 business hours. Complex inquiries requiring research are acknowledged immediately with a timeline for a complete response. You'll have direct email and phone access to your dedicated partner - not just junior staff.

Do you offer fixed-fee pricing or just hourly billing?

We strongly prefer fixed-fee arrangements for recurring services (tax prep, bookkeeping, audits) because it provides clarity and predictability. You'll know exactly what you're paying upfront. For project-based advisory work, we typically provide fixed-fee proposals based on scope. Hourly billing is available for ad-hoc consulting but is rarely our first choice.

Can you help with international tax matters?

Yes, international tax is one of our core specialties. We regularly handle cross-border transactions, transfer pricing, tax treaties, expat taxation, and multi-country corporate structures. Luxembourg's position as an international business hub means many of our clients have complex international tax needs, and we have the expertise to navigate them.

What accounting software do you recommend and support?

We're platform-agnostic but most commonly work with Xero, QuickBooks Online, and Sage for small to mid-sized businesses. For larger clients, we work with SAP and NetSuite. We can help you select the right system for your needs, handle the implementation, and provide training. We also integrate with modern tools like Expensify, Bill.com, and Gusto.

How do I get started?

Simply fill out the contact form below or call us at +352 456 789 012 to schedule your complimentary 30-minute discovery call. We'll discuss your needs, answer your questions, and determine if we're a good fit. No pressure, no obligations - just an honest conversation about how we can help your business succeed.

Resources & Insights

Stay informed with expert guidance and tools

2026 Tax Calendar

Important deadlines and filing dates for Luxembourg businesses and individuals

  • 31 March: Personal tax return deadline
  • 15 April: Q1 VAT return due
  • 31 May: Corporate tax return deadline
  • 15 July: Q2 VAT return due
  • 30 Sept: Estimated tax payments due
  • 15 October: Q3 VAT return due

Latest Insights

Expert articles and updates from our team

Financial Tools

Useful calculators and planning resources

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Ready to Experience the Sterling Difference?

Schedule your complimentary consultation today and discover how expert guidance can transform your financial future

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Get in Touch

We're here to help. Reach out today to start the conversation.

Luxembourg Office

Our office is conveniently located in Luxembourg City's financial district, with ample parking and easy access by public transport.

Address: 45 Avenue de la Liberté
L-1931 Luxembourg City
Luxembourg
Phone: +352 456 789 012
Email: info@sterling-associates.lu
Office Hours: Monday - Friday: 8:30 AM - 6:00 PM
Saturday: By appointment only
Sunday: Closed

Meeting Options: We offer in-person meetings at our office, virtual consultations via Zoom or Teams, and can visit your business location if preferred.