Atoz
ATOZ is a Luxembourg-based independent tax advisory firm offering international corporate tax, transfer pricing, indirect tax, tax litigation, and corporate finance services to investment funds, private equity, real estate investors, and multinational corporations across Europe and the Middle East.
- Company typePrivate
- Founded2004
- HeadquartersHéienhaff, Luxembourg
- Headcount51–100
- GTM typeB2B
- OfferingServices
What Atoz does
ATOZ is a Luxembourg-headquartered, independent tax advisory firm established in 2004, structured as a société anonyme (S.A.) under Luxembourg law and operating a group comprising ATOZ Tax Advisers (the core), ATOZ Services, ATOZ Fund Services, ATOZ Governance Services, ATOZ Services UK Ltd (London), and ATOZ Tax Advisers Middle East (Dubai, DIFC). Group headcount is 208 with 75 staff in the parent entity. The firm delivers professional services across five practice areas — International & Corporate Tax, Transfer Pricing, Indirect Tax, Tax Litigation, and Corporate Finance — supplemented by an ESG consulting line (Deveco) and a nascent technology initiative (ATOZ Solutions).
The firm is a founder and member of Taxand, the world's largest independent tax network, which provides cross-border reach; senior partners sit on the governing and technical committees of ALFI, LPEA, L3A, LTPA, IFA, INREV, ABBL, AmCham, and Invest Europe. The client base is institutional and B2B: investment funds and asset managers, private equity houses, real estate investors, multinational corporations, and family offices. Engagement is sales-led and quote-based with no publicly disclosed pricing; distribution is direct professional services with no retail or self-serve channels. Marketing is driven by thought leadership — ATOZ Reports, ATOZ Alerts, on-demand and live webinars, and active conference participation. ATOZ is privately held, founder-led (Managing Partner Keith O'Donnell), and has raised no external funding; revenue is not publicly disclosed.
Atoz firmographics
Firmographics- Name
- Atoz
- Legal name
- ATOZ Group, société anonyme
- Website
- https://atoz.lu
- Company type
- Private
- Founded year
- 2004
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- ATOZ is a Luxembourg-based independent tax advisory firm offering international corporate tax, transfer pricing, indirect tax, tax litigation, and corporate finance services to investment funds, private equity, real estate investors, and multinational corporations across Europe and the Middle East.
- Ownership category
- akta.pro rank
Atoz industry classification
Industry- Product category
- Tax Advisory Services
- NAICS
- Accounting, Tax Preparation, Bookkeeping, and Payroll Services (5412), Professional, Scientific, and Technical Services (54), Offices of Lawyers (541110)
- SIC
- Services-Engineering, Accounting, Research, Management (8700)
- akta.pro primary industry
- Transfer Pricing & International Tax Services (BPAHABAI)
- akta.pro secondary industries
- Indirect Tax (VAT/GST/Sales & Use) Services (BPAHABAJ), Tax Valuation & Transfer Pricing Support (409A, estate/gift, intercompany) (FSAEAHAC)
Keywords
Where Atoz is headquartered
LocationHeadquarters
- HQ city
- Héienhaff
- HQ country
- Luxembourg
- HQ region
- Europe
Offices3 records
Markets served
Atoz business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure
Revenue model
- Tax Advisory Services: Professional fee-based tax advisory services including international and corporate tax, transfer pricing, indirect tax, and tax litigation. Services provided to investment funds, private equity, real estate, and multinational corporations.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels5 records
Atoz product offering
Product offeringCore offering
ATOZ is a Luxembourg-based independent tax advisory firm providing international and corporate tax, transfer pricing, indirect tax, tax litigation, and corporate finance services to investment funds, private equity, real estate vehicles, and multinational corporations. Service delivery is supported by affiliated entities covering fund administration, operational services, and corporate governance, with cross-border reach via the Taxand global network.
Product overview
ATOZ is a Luxembourg-based tax advisory firm operating as part of a group including ATOZ Tax Advisers Luxembourg, ATOZ Services, ATOZ Fund Services, ATOZ Governance Services, and ATOZ Tax Advisers Middle East. The firm offers professional services organized around key practice areas: International & Corporate Tax, Transfer Pricing, Indirect Tax, Tax Litigation, and Corporate Finance. Additional specialized offerings include ESG consulting through Deveco and withholding tax reclaims services via Taxand partnerships. ATOZ primarily serves investment funds, private equity, real estate, and multinational corporations.
Differentiator
Problem solved
Functional benefit
Brands
- ATOZ Foundation: Charitable foundation operated by the ATOZ Group for social responsibility initiatives.
Products and services
- ATOZ Tax Advisers Luxembourg Core Luxembourg tax advisory firm providing international and corporate tax, transfer pricing, indirect tax, tax litigation, and corporate finance services to institutional investors, private equity, and multinational corporations.
- International & Corporate Tax Tax advisory on investment funds, private equity, mergers & acquisitions, holding and financing structures, transfer pricing, and substance requirements, for institutional investors and multinational corporations.
- Transfer Pricing Arm's length pricing documentation, Master File preparation, and transfer pricing advisory for intra-group transactions of multinational clients.
- Indirect Tax VAT, registration duties, insurance premium tax, excise and customs duties advisory for financial services, real estate, aviation, and industrial clients.
- Tax Litigation Representation during tax audits, administrative claims, and court litigation proceedings for clients before Luxembourg tax authorities and courts.
- Corporate Finance Business planning, financial modelling, financing structuring, M&A due diligence, restructurings, and valuations for corporate clients.
- ESG Consulting (Deveco) ESG advisory services including sustainability strategy, CSRD compliance, carbon footprint assessment, and double materiality analysis for corporate clients.
- ATOZ Services Operational and administrative services complementing ATOZ Tax Advisers' tax advisory offerings for institutional clients.
- ATOZ Fund Services Specialized services for investment fund vehicles and asset management structures.
- ATOZ Governance Services Corporate governance and related advisory services for corporate clients.
- ATOZ Tax Advisers Middle East Middle East tax advisory services delivered from Dubai (DIFC), serving asset managers, investment funds, family offices, and multinationals operating in the UAE region.
Companies that use Atoz
Customer profileSegments5 records
Ideal customer profiles4 records
Atoz technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Atoz partnerships and signals
Strategic signalPartnerships
Eleven partnerships are on record, tiered core and minor.
- TaxandcoreFounder and member of Taxand, the world's largest independent tax network, providing global tax advisory reach while maintaining Luxembourg-based expertise
- Association of the Luxembourg Fund Industry (ALFI)coreActive member with representatives on Tax Commission and various working groups including BEPS, DAC, and REIF
- Luxembourg Private Equity Association (LPEA)coreMember with participation in BEPS working group; professionals speak at LPEA events
- Luxembourg Alternative Administrators Association (L3A)minorOliver R. Hoor serves as co-chair of the tax and regulatory committee
- Luxembourg Transfer Pricing Association (LTPA)minorOliver R. Hoor is a founding member
- International Fiscal Association (IFA) LuxembourgminorKeith O'Donnell serves as chairman of Luxembourg chapter; various team members are members
- American Chamber of Commerce in Luxembourg (AmCham)minorJamal Afakir is a member of the Tax Committee
- Invest EuropeminorOlivier Remacle is a member
- INREVminorKeith O'Donnell is a member of the management board; Antoine Dupuis is a member of the tax committee
- Luxembourg Banking Association (ABBL)minorThibaut Boulangé is a member of the Indirect Tax Committee
- CRIDO (Taxand peer in Poland)minorHost venue for Taxand Global Transfer Pricing Conference 2026 in Warsaw
Scale indicators4 records
Recent moves6 records
Expansion highlights6 records
Atoz competitors and assessment
Company assessmentDirect peers
- Loyens & Loeff: Benelux-rooted law and tax firm with a major Luxembourg office, deeply focused on tax structuring for funds, real estate, and multinationals. Direct peer given overlapping service lines and client base in Luxembourg and the Netherlands.
- Arendt & Medernach: Leading Luxembourg law and tax firm with deep specialization in investment funds, private equity, and corporate structuring. Direct competitor for ATOZ's core Luxembourg fund-structuring and tax advisory mandates.
- BDO Luxembourg: Mid-tier accounting and advisory firm with a Luxembourg tax practice serving funds, family offices, and mid-market corporates. Closest size-tier peer to ATOZ in the local market.
- NautaDutilh Luxembourg: Benelux law firm with a Luxembourg practice advising on tax, fund formation, and corporate transactions. Direct competitor for fund and corporate structuring work in Luxembourg.
- Stibbe Luxembourg: Benelux law firm with a Luxembourg office providing tax advisory alongside corporate and financial law. Direct competitor for cross-border tax mandates involving the Benelux region.
Broad incumbents
- Baker McKenzie Luxembourg: Global law firm with a significant Luxembourg tax practice serving investment funds, PE, and multinationals. Competes for the same clients as ATOZ but offers much broader geographic and practice coverage.
- EY Luxembourg: Big 4 firm with a substantial Luxembourg tax and legal services practice serving investment funds, alternative assets, and multinationals. Competes with ATOZ on cross-border structuring mandates.
- PwC Luxembourg: Big 4 firm with a major Luxembourg tax and legal services practice. Targets the same fund, PE, and multinational client base as ATOZ, with global reach that the boutique cannot match.
- Deloitte Luxembourg: Big 4 advisory firm with a large Luxembourg tax practice serving the same investment fund, PE, and corporate clients as ATOZ. A broad incumbent offering integrated audit, tax, and consulting services.
- KPMG Luxembourg: Big 4 firm with a Luxembourg tax practice focused on investment management, PE, and corporate clients. Overlapping target market with ATOZ, with a broader global footprint.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Atoz social profiles
Digital presenceAtoz financial estimates
Financial estimateRevenue estimate
Valuation estimate
Atoz leadership team
Management profileNumber of profiles
Profiles21 records
Atoz subsidiaries and ownership
Company hierarchySubsidiaries7 records
Atoz funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Atoz M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Atoz
What does Atoz do?
ATOZ is a Luxembourg-based independent tax advisory firm providing international and corporate tax, transfer pricing, indirect tax, tax litigation, and corporate finance services to investment funds, private equity, real estate vehicles, and multinational corporations. Service delivery is supported by affiliated entities covering fund administration, operational services, and corporate governance, with cross-border reach via the Taxand global network.
Is Atoz a public or private company?
Atoz is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Atoz founded?
Atoz was founded in 2004. It employs 51 to 100 people.
Where is Atoz based?
Atoz is headquartered in Héienhaff, Luxembourg, in the Europe region.
How does Atoz make money?
One revenue line is on record: tax Advisory Services.
Who are Atoz's main competitors?
Direct peers on record are Loyens & Loeff, Arendt & Medernach, BDO Luxembourg, NautaDutilh Luxembourg and Stibbe Luxembourg. Broad incumbents are Baker McKenzie Luxembourg, EY Luxembourg, PwC Luxembourg, Deloitte Luxembourg and KPMG Luxembourg.
Does Atoz have an API?
No public API is recorded for Atoz.
What industry is Atoz in?
Atoz's product category is Tax Advisory Services. Its primary akta.pro industry code is BPAHABAI, Transfer Pricing & International Tax Services, with a secondary code of BPAHABAJ, Indirect Tax (VAT/GST/Sales & Use) Services. Its NAICS code is 5412 and its SIC code is 8700.