Top engineering companies in Estonia
| Company Name | Country | City | Address 1 | State/Province | Postal Code | Website | Founding Year | Yearly Revenue in U.S. Dollars | Employees Total | Business Legal Type - Description | Number of Companies in Group | Company Registration Number | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Repligen Estonia OU | Estonia | Jüri | Uus-ringi Tee 10 | Harjumaa | 75301 | N/A | 2016 | $15,500,952 | 60 | Corporation | 47 | 14121227 |
| 2 | Eleon Capital OU | Estonia | Easte | Sonajala | Saaremaa | 93212 | N/A | 2021 | $10,753,799 | 45 | Corporation | N/A | 16355834 |
| 3 | Filter Solutions OU | Estonia | Peetri | Laike Tee 9 | Järvamaa | 75312 | filter.***** | 2018 | $9,112,546 | 60 | Corporation | 13 | 14532752 |
| 4 | AS Infragate Eesti | Estonia | Tallinn | Maealuse Tn 2/3 | Harjumaa | 12618 | infragate.***** | 2002 | $7,057,808 | 49 | Corporation | 3 | 10845129 |
| 5 | Saksa Automaatika OU | Estonia | Lehmja | Gaasi Tee 3 | Harjumaa | 75306 | saksa-automaatika.***** | 2009 | $6,687,681 | 22 | Corporation | 2 | 11666995 |
| 6 | Osauhing Reaalprojekt | Estonia | Viljandi | Tallinna Tn 45 | Viljandimaa | 71008 | reaalprojekt.***** | 2001 | $5,336,185 | 108 | Corporation | 6 | 10765904 |
| 7 | Ou Inseneriburoo Steiger | Estonia | Tallinn | Manniku Tee 104/1 | Harjumaa | 11216 | steiger.***** | 2005 | $5,201,882 | 53 | Corporation | 2 | 11206437 |
| 8 | SKEPAST&PUHKIM OU | Estonia | Tallinn | Laki Poik 2 | Harjumaa | 12915 | ramboll.***** | 2006 | $5,094,016 | 39 | Corporation | 2 | 11255795 |
| 9 | Inseneriburoo Telora OU | Estonia | Tallinn | Parnu Mnt 141 | Harjumaa | 11314 | telora.***** | 2017 | $5,017,865 | 36 | Corporation | N/A | 14197510 |
| 10 | Teleplan Estonia Osauhing | Estonia | Tallinn | Aiandi Tn 13 | Harjumaa | 12918 | N/A | 2010 | $4,875,292 | 39 | Corporation | 2 | 11922234 |
| 11 | Projektiburoo OU | Estonia | Tallinn | Veerenni Tn 38b | Harjumaa | 10138 | N/A | 2018 | $4,292,425 | 37 | Corporation | N/A | 14426010 |
| 12 | K-Projekt Aktsiaselts | Estonia | Tallinn | Ahtri Tn 6a | Harjumaa | 10151 | kprojekt.***** | 2011 | $4,232,147 | 46 | Corporation | N/A | 12203754 |
| 13 | Trium OU | Estonia | Tallinn | Paldiski Mnt 5-12 | Harjumaa | 10137 | N/A | 2021 | $3,989,719 | 3 | Corporation | N/A | 16159286 |
| 14 | Ngi2 Technologies OU | Estonia | Tallinn | Ruunaoja Tn 3 | Harjumaa | 11415 | N/A | 2015 | $3,911,722 | 10 | Corporation | N/A | 12892972 |
| 15 | Innopolis Insenerid OU | Estonia | Tartu | Riia Tn 181a | Tartumaa | 50411 | insenerid.***** | 2006 | $3,632,540 | 31 | Corporation | 2 | 11297032 |
| 16 | Ou Keskkonnaprojekt | Estonia | Tartu | Ringtee Tn 12 | Tartumaa | 50105 | keskkonnaprojekt.***** | 2001 | $3,613,505 | 37 | Corporation | N/A | 10769210 |
| 17 | Osauhing SIRKEL&MALL | Estonia | Tallinn | Laki Tn 5 | Harjumaa | 10621 | sma.***** | 2005 | $3,481,316 | 34 | Corporation | 5 | 11124774 |
| 18 | Rero Marketing & Advertisement Osauhing | Estonia | Tallinn | Vesivarava Tn 50 | Harjumaa | 10152 | N/A | 2018 | $3,446,419 | 10 | Corporation | N/A | 14486526 |
| 19 | Osauhing Estkonsult | Estonia | Tallinn | Sopruse Pst 151 | Harjumaa | 13417 | estkonsult.***** | 1998 | $3,318,460 | 28 | Corporation | N/A | 10410360 |
| 20 | Sweco Projekt AS | Estonia | Tallinn | Valukoja Tn 8/2 | Harjumaa | 11415 | sweco.***** | 2006 | $3,308,943 | 43 | Corporation | 325 | 11304200 |
| 21 | Keskkond & Partnerid OU | Estonia | Tartu | Vasara Tn 50 | Tartumaa | 50113 | mahutid.***** | 2004 | $3,184,157 | 10 | Corporation | N/A | 11006388 |
| 22 | Osauhing Sba Service | Estonia | Lehmja | Gaasi Tee 3 | Harjumaa | 75306 | sba.***** | 2001 | $3,092,153 | 23 | Corporation | 8 | 10790256 |
| 23 | Aktsiaselts Teede Tehnokeskus | Estonia | Tallinn | Vaike-manniku Tn 26 | Harjumaa | 11216 | teed.***** | 2000 | $3,084,751 | 39 | Corporation | 19 | 10701123 |
| 24 | Osauhing Dmt Insenerid | Estonia | Tallinn | Kadaka Pst 112 | Harjumaa | 11625 | dmt.***** | 2006 | $3,023,415 | 42 | Corporation | N/A | 11258306 |
| 25 | P.P. Ehitusjarelevalve OU | Estonia | Tallinn | Mustamae Tee 4 | Harjumaa | 10616 | N/A | 2006 | $2,996,978 | 29 | Corporation | N/A | 11270056 |
Showing 25 of 4,752 companies
Request Free SampleEngineering companies in Estonia by region
4,752 engineering companies across 15 regions. The table below shows the share each region holds.
Engineering companies in Estonia by employee size
| Bracket | Businesses | Share |
|---|---|---|
| 1-4 | 4,453 | |
| 5-9 | 127 | |
| 0 or Unknown | 86 | |
| 10-19 | 50 | |
| 20-49 | 30 | |
| 50-99 | 6 |
Engineering companies in Estonia by revenue
| Bracket | Businesses | Share |
|---|---|---|
| 1 to 100.000 | 2,217 | |
| 100.001 to 499.999 | 1,639 | |
| 0 or Unknown | 688 | |
| 500.000 to 999.999 | 114 | |
| 1.000.000 to 4.999.999 | 85 | |
| 5.000.000 to 9.999.999 | 7 | |
| 10.000.000 to 49.999.999 | 2 |
NACE Rev 2 classification for Estonia engineering companies
Estonian engineering companies are classified under NACE Rev 2 code 7112. Estonia applies the standard NACE Rev 2 classification used across the European Union. The list above covers every active business in this category registered with the äriregister (Estonian Business Register).
Closely related business services
Frequently asked questions about engineering companies in Estonia
Our list tracks 4,752 active engineering companies across Estonia's regions, sourced from the äriregister (Estonian Business Register) and verified monthly. The exact count changes as firms register, dissolve and merge.
The region with the most engineering companies is Harjumaa, followed by the other major regions. The full region breakdown above shows the share each Estonian region holds.
Estonian engineering companies are classified under NACE Rev 2 code 7112 in the NACE Rev 2 system. The list above covers every active business in this category registered with the äriregister. Estonia applies the standard NACE Rev 2 classification used across the EU.
Yes. Apply your filters (region, size, revenue, etc.) on the platform, preview the result, then export the full filtered list as CSV or Excel. Larger exports are delivered by email link. Request a free sample first if you want to evaluate the data before you buy.
Every record includes the firm name, full address, primary phone, business email (where available), website, äriregister registration number, VAT number, employee size, revenue band, founding year and NACE Rev 2 classification. Records are sourced from the äriregister (Estonian Business Register) and re-verified monthly.
Monthly. Each refresh removes firms that have dissolved and adds new registrations from the latest äriregister feeds. The "Last updated" line at the top of this page shows the most recent refresh date.
15 regions have at least one active engineering companie in our list. The region with the most engineering companies is Harjumaa, followed by the other major regions. Use the region breakdown table above to see the full distribution.






















































