What Artion does

Artion is a privately held Greek professional services group providing accounting, tax, consulting, payroll, and financial advisory services. Founded in 1981 by Giorgos Dalianis as an accounting office in Karystos and incorporated as ARTION A.E. in 1995, the company has grown into one of Greece's largest accounting and tax advisory firms, serving over 800 client businesses across all sectors of the Greek economy — from individual enterprises and sole proprietors to large multinational corporations. Named clients include FedEx, Ogilvy, KAYAK, PeopleCert, Kaisaris, and SoftEX. The client base spans horizontal coverage of all business sectors alongside vertical specializations in hotels and tourism, manufacturing, educational institutions, construction, and expatriates/non-residents.

The service portfolio covers core accounting, tax advisory and compliance, tax audit defense, consulting (valuation, transaction services, transfer pricing, restructuring), payroll processing with Digital Work Card and ERGANA II compliance, financial audits, and training seminars. Operations are delivered through five wholly-owned subsidiaries: ARTION A.E. (main entity, HQ in Chalandri), ARTION MYKONOS A.E. (Cyclades), CONNECT LINE A.E. (IT services), ONEBUSINESS A.E. (business software), CONNECT LINE KRITIS (Crete/Southern Greece), and GRAND VALUE A.E. (financial advisory and valuations). The group integrates directly with seven mandatory Greek government compliance platforms — myDATA, ERGANA II, VIES, Digital Work Card, e-EFKA, SEPE, and myPROPERTY — and holds ISO 9001:2018 certification.

The revenue model is professional services with quote-based, engagement-tailored pricing (no public pricing disclosed). Distribution is direct B2B sales with services delivered either at client premises or from company offices in Chalandri and Mykonos. The group operates with approximately 210 employees and plans to expand to 250, with hiring explicitly targeting specialists in accounting, tax, IT, payroll, software development, and Artificial Intelligence. Marketing is content-led through the corporate website, seminars (including collaboration with the Economic Chamber of Greece), publications via TAXHEAVEN and CAPITAL.gr, and LinkedIn/YouTube. International reach is enabled through Artion's membership in Allinial Global, the world's second-largest network of independent accounting firms with 270 members across 105 countries. FY2025 consolidated revenue was EUR 15.13 million (+9.07% YoY) with EBITDA of EUR 3.03 million (+14.34% YoY).

Name

Artion

Legal name

ARTION A.E.

Website

https://artion.gr

Company type

Private

Founded year

1981

Operating status

Operating

Headcount range

51–100 employees

Short description

Artion is a Greek accounting, tax, consulting, and payroll services firm serving over 800 businesses across all sectors of the Greek economy. Operating through five subsidiaries including IT and software units, the company was founded in 1981 and is headquartered in Athens.

Ownership category

akta.pro rank

Product category

Accounting and Tax Services

NAICS

Management, Scientific, and Technical Consulting Services (5416), Professional, Scientific, and Technical Services (54), Office Administrative Services (5611)

SIC

Services-Engineering, Accounting, Research, Management (8700), Services-Management Consulting Services (8742)

akta.pro primary industry

Accounts Receivable (Invoicing, Cash Application, Deductions) (BPAAAGAB)

Keywords

• Accounting services
• Tax consulting
• Payroll management
• Business advisory
• Financial compliance

Headquarters

HQ city

Athens

HQ country

Greece

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Marketing or Sales, Technology or R&D

Revenue model

1. Accounting Services: High-quality accounting services for all types of businesses, including organization and supervision of accounting departments, bookkeeping, and financial statement preparation.
2. Tax Services: Tax advisory and compliance services including tax return preparation, tax planning, and support during tax audits.
3. Consulting Services: Business consulting including valuation, transaction services, transfer pricing, management consulting, risk consulting, and restructuring services.
4. Payroll Issuance: Payroll processing and management services compliant with ERGANI II and Digital Work Card requirements.
5. Seminars: Training seminars for industry professionals on tax, accounting, and financial topics.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Artion provides outsourced accounting, tax advisory and compliance, payroll processing, financial audit support, and business consulting services to Greek companies ranging from sole proprietors to large multinationals. The firm also delivers specialized industry solutions for hotels, manufacturing, educational institutions, and construction businesses, integrated with Greek government compliance systems such as myDATA, ERGANI II, VIES, and e-EFKA.

Product overview

ARTION is a Greek accounting, tax, and consulting services group founded in 1981, offering a comprehensive portfolio of professional services. The core offerings include Accounting Services, Tax Services, Consulting Services, Tax Audits, Financial Services, and Payroll Issuance & Management. The group also provides specialized industry solutions for Hotels, Production & Manufacturing, Educational Institutions, and Construction & Technical sectors. The group operates through multiple subsidiaries: ARTION AE (main company), ARTION MYKONOS AE (island operations), CONNECT LINE AE (IT services), ONEBUSINESS AE (business software), CONNECT LINE KRITIS (Crete operations), and GRAND VALUE AE (financial advisory). All services integrate with Greek government compliance systems including myDATA, ERGANA II, VIES, Digital Work Card, and e-EFKA.

Differentiator

Problem solved

Functional benefit

Products and services

• Accounting Services (Λογιστικές Υπηρεσίες)

Quantifiable outcome

• 15.13 million EUR revenue in 2025 (+9.07% YoY)
• +2 more outcomes

Named customers6 records

Segments6 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration7 records

Partnerships

Three partnerships are on record, tiered core and minor.

• Allinial GlobalcoreStrategic or Co-development PartnerARTION Group joined Allinial Global as a member firm. Allinial Global is the 2nd largest international network of independent accounting and consulting firms with 270 member firms in 105 countries worldwide. The partnership provides access to global expertise and cross-border services for clients.
• XENEX AEminorStrategic or Co-development PartnerStrategic cooperation between ARTION AE and EVERGROW AE (companies of ARTION GROUP) with XENEX AE for the provision of financial, tax, and consulting services.
• TERRACOM AEminorStrategic or Co-development PartnerNew cooperation for the provision of financial, tax, consulting services and supervision of accounting department operations.

Scale indicators12 records

Recent moves16 records

Expansion highlights5 records

Broad incumbents

• KPMG Greece: One of the Big 4 in Greece, offering audit, tax, and advisory services across all sectors. A larger, broader incumbent that competes with Artion for enterprise and mid-market clients in Greece.
• Deloitte Greece: Greek arm of Deloitte, one of the Big 4, providing audit, consulting, tax, and advisory services. Overlaps with Artion in serving Greek enterprises and multinational subsidiaries.

Emerging players

• Andersen Greece: Greek member of Andersen Global, an international tax and legal network. Comparable to Artion in offering tax compliance and advisory, with growing presence in Greece.

Direct peers

• Mazars Greece: Greek member of Mazars, an international audit, tax, and advisory firm. Comparable to Artion in serving Greek SMEs and multinationals with cross-border capability through its network.
• PKF Hellas: Greek member firm of PKF International providing accounting, tax, and advisory services in Greece. Comparable scale and positioning to Artion, serving similar SME and mid-market clients with cross-border capabilities through its network.
• SOL (ΣΟΛ Crowe): One of the largest Greek accounting, tax, and consulting firms and a member of Crowe Global. Directly comparable to Artion as a domestic mid-tier firm offering accounting, tax, payroll, and consulting to Greek businesses across all sectors.
• Grant Thornton Greece: Greek member of Grant Thornton International, offering audit, tax, and advisory services to mid-market clients. Directly comparable in scale and service mix to Artion.
• RSM Greece: Greek member of RSM International, providing audit, tax, and consulting services to mid-market businesses. Comparable positioning to Artion with similar target segments.
• Moore Greece: Greek member of Moore Global Network, an international accounting and consulting network. Comparable to Artion in targeting SME and mid-market clients with international network access.
• BDO Greece: Greek arm of BDO Global, one of the largest mid-tier accounting networks worldwide. Comparable to Artion in targeting Greek SMEs and multinationals with audit, tax, and advisory services.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCRXM5hRBCLKIQNwimU99wxA
• Xx.com/artiongr
• Facebookfacebook.com/artion.gr
• LinkedInlinkedin.com/company/artion-accounting-tax-consulting-services

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Artion