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Largest Auditing Companies in Estonia (2026)

A ranked list of active auditing companies in Estonia, based on the latest comparable revenue reported in public registry filings.

  • 20 companies
  • Displayed in EUR
  • Updated 2026-08-17
Ranked companies: Auditing Companies ranked by latest reported revenue
Rank Company Industry Latest revenue Profit/loss Employees Year Website
1 Grant Thornton Baltic Holding TÜ Sign up for full profile Auditing €21,678,289 €2,482,457 322 2024 Register free to reveal
2 Assertum Audit OÜ Sign up for full profile Auditing €1,953,547 €343,562 8 2024 Register free to reveal
3 OÜ Audiitorbüroo RKT Sign up for full profile Auditing €1,597,469 €691,165 6 2024 Register free to reveal
4 OÜ E-Audit Sign up for full profile Auditing €1,066,521 €232,492 12 2024 Register free to reveal
5 Kontrollikoda OÜ Sign up for full profile Auditing €998,658 €355,717 8 2024 Register free to reveal
6 Betooni Kapital OÜ Sign up for full profile Auditing €943,561 €227,494 Not available 2024 Register free to reveal
7 Audit Advisory OÜ Sign up for full profile Auditing €847,960 €52,221 10 2024 Register free to reveal
8 I.S. AUDIITORTEENUSTE OSAÜHING Sign up for full profile Auditing €843,225 €528,487 4 2024 Register free to reveal
9 Lahendused Pluss KV OÜ Sign up for full profile Auditing €795,484 €377,303 9 2024 Register free to reveal
10 Audiitorteenuse OÜ Sign up for full profile Auditing €747,893 €37,517 5 2024 Register free to reveal
11 AUDEST AUDIITORTEENUSTE OSAÜHING Sign up for full profile Auditing €627,147 €343,353 4 2024 Register free to reveal
12 OÜ KL Partners Sign up for full profile Auditing €484,314 €125,410 5 2024 Register free to reveal
13 Finance Audit Estonia OÜ Sign up for full profile Auditing €381,029 €59,303 4 2024 Register free to reveal
14 Villems & Partnerid OÜ Sign up for full profile Auditing €351,300 €48,850 3 2025 Register free to reveal
15 RUUT & PARTNERID AUDIITORBÜROO OÜ Sign up for full profile Auditing €345,084 €124,607 2 2024 Register free to reveal
16 Audit & Review OÜ Sign up for full profile Auditing €316,796 €145,309 2 2024 Register free to reveal
17 EL Finants OÜ Sign up for full profile Auditing €273,114 €94,912 2 2024 Register free to reveal
18 Digital Advisory Team OÜ Sign up for full profile Auditing €266,664 -€211,162 Not available 2024 Register free to reveal
19 Osaühing Audiitorbüroo K&K Sign up for full profile Auditing €259,198 €25,425 1 2024 Register free to reveal
20 OÜ EM AUDIITORTEENUSED Sign up for full profile Auditing €249,957 €47,896 3 2024 Register free to reveal

Source currency retained · FX 2026-06-22