Top Accounting Firms In Vilnius For 2027

Last updated: November 14, 2026

The best accounting firms in Vilnius for 2027 are Grant Thornton Baltic, PwC Lithuania, KPMG Baltics, Deloitte Lithuania, EY Lithuania, BDO Lithuania, Moore Mackonis, HLB Provisus, Audifina and 1Office. The Big Four and Grant Thornton lead for audit and complex tax, Moore Mackonis, HLB Provisus and Audifina for mid-market companies, and 1Office for foreign founders.

Lithuania raised its standard corporate income tax to 17% from 2026, with a 7% rate for qualifying small companies, so good tax planning matters more than before.

How We Chose

We reviewed accounting and audit firms with Vilnius offices, checked their services, networks and history, and grouped them by client size. Read more about how we research and rank companies.

Vilnius Accounting Firms At A Glance

Company	Based In	Best For	Key Fact
Grant Thornton Baltic	Vilnius	Mid-size and regulated companies	Operating in the Baltics since 1992
PwC Lithuania	Vilnius	Large and listed companies	Global network
KPMG Baltics	Vilnius	Tax and audit for international groups	Publishes the annual Lithuanian tax card
Deloitte Lithuania	Vilnius	Enterprise audit and advisory	Global network
EY Lithuania	Vilnius	Audit and transaction support	Global network
BDO Lithuania	Vilnius	Mid-size companies	Part of the BDO network
Moore Mackonis	Vilnius	Audit and accounting for SMEs	Part of the Moore network
HLB Provisus	Vilnius	Accounting, tax and forensic work	HLB Lithuania established in 1997
Audifina	Vilnius	Audit, tax compliance and ESG	Clients from 20+ countries
1Office	Vilnius	Foreign-owned startups and SMEs	Operates across the Baltics, Finland and UK

Best Accounting Firms In Vilnius For 2027

1. Grant Thornton Baltic — Pan-Baltic Audit, Tax And Accounting Since 1992

Grant Thornton Baltic has operated across Lithuania, Latvia and Estonia since 1992, offering audit, accounting, tax and advisory, including internal audit for licensed financial companies.

It suits growing firms and fintechs that need audit and outsourcing from one provider.

2. PwC Lithuania — Big Four Audit And Tax

PwC Lithuania provides audit, tax and advisory services for large Lithuanian and international companies.

Choose it for statutory audits and complex tax structures.

3. KPMG Baltics — Audit, Tax And Up-To-Date Tax Guidance

KPMG Baltics offers audit, tax and advisory services and publishes an annual Lithuanian tax card used widely by finance teams.

It suits groups needing reliable tax advice.

4. Deloitte Lithuania — Audit, Tax And Consulting

Deloitte Lithuania provides audit, tax, consulting and risk advisory services.

Choose it for large and complex reporting needs.

5. EY Lithuania — Assurance, Tax And Transactions

EY Lithuania offers assurance, tax, consulting and transaction services.

It suits companies preparing for investment or sale.

6. BDO Lithuania — Mid-Market Audit And Advisory

BDO Lithuania provides audit, accounting, tax and advisory to mid-market businesses.

It suits companies wanting international network backing at mid-market cost.

7. Moore Mackonis — Audit, Accounting And Tax In One Firm

Moore Mackonis works across audit, accounting, tax and business consulting, including IT systems for accounting.

It suits SMEs that want one firm for compliance and advice.

8. HLB Provisus — Independent Firm Since 1997

HLB Provisus is the Lithuanian member of HLB, established in 1997, offering accounting, bookkeeping, tax, advisory and forensic examinations.

It suits businesses that want an independent, networked firm.

9. Audifina — Top 10 Audit And Accounting Firm

Audifina provides audit, accounting, tax compliance, financial consulting and ESG services, and serves clients from more than 20 countries.

It suits international SMEs with Lithuanian operations.

10. 1Office — Formation And Accounting For Foreign Founders

1Office offers company formation, bookkeeping and annual reporting for foreign founders setting up a Lithuanian UAB.

It suits founders running a Lithuanian company from abroad.

How To Choose An Accounting Firm In Vilnius

Do You Need A Statutory Audit?

Larger and regulated companies must be audited. Choose an audit firm if so.

Are You A Licensed Financial Company?

EMIs and payment institutions need firms with regulatory audit experience.

Who Files Monthly Reports?

Confirm who handles VAT, payroll and tax filings with the State Tax Inspectorate.

How Are Fees Set?

Ask whether pricing is fixed or based on document volume.

Frequently Asked Questions

What is the corporate tax rate in Lithuania in 2026?

The standard rate is 17%, with 7% for qualifying small companies and 0% for the first two tax periods of qualifying new small companies.

What is the VAT rate in Lithuania?

The standard VAT rate is 21%.

Do I need a local accountant?

Yes. Lithuanian companies must keep accounting records under Lithuanian law, so most use a local accountant.

Conclusion

Vilnius has accountants for every stage of growth. Grant Thornton Baltic and the Big Four lead for audit and tax, and 1Office suits foreign founders. See also the top business law firms in Lithuania and the Lithuania hub.