List of Construction Companies in Estonia

Last updated 26 October 2026

There are 13,992 construction companies in Estonia, one in every 27 Estonian companies. Most of them are small: nine in ten have one to four people, and only 45 firms employ 50 people or more. Two in five of all construction firms are based in Tallinn, Tartu, Pärnu, Viljandi and Rakvere. Below you find the largest construction firms in Estonia, the cities where they cluster, how many started this year and which are the oldest. The full list with addresses, phone numbers and email is in our Estonian company database or through the Company Data API.

13,992 companies indexed · Data counted on 26 October 2026

Companies13,9921 in27 Estonian companiesCities1,770Largest cityTallinn 3,925Sole traders2%Employees1-4 (86%)Revenue$100-500K (52%)Email4%Phone6%Website14%

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A live view of all 13,992 construction firms, sorted by revenue. Narrow it by region, city, employee size, revenue, legal form or founding year, or search a firm by name.

Osauhing Mapri EhitusOsauhing Mapri Ehitus

	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	Osauhing Mapri Ehitus	Estonia	Tartu	Tiigi Tn 78	Tartu Maakond	50410	*****.eu	1996	$172,084,143	150	Corporation	29	10131080
2	Aktsiaselts Merko Ehitus Eesti	Estonia	Tallinn	Jarvevana Tee 9g	Harju Maakond	11314	*****.ee	2011	$153,863,810	285	Corporation	27	12203636
3	Nordecon AS	Estonia	Tallinn	Toompuiestee 35	Harju Maakond	10149	*****.com	1996	$142,662,059	137	Corporation	23	10099962
4	Ou Nobe	Estonia	Tallinn	Sepise Tn 7	Harju Maakond	11415	*****.ee	2000	$140,816,665	136	Corporation	2	10647027
5	AS Connecto Infra	Estonia	Tallinn	Tuisu Tn 19	Harju Maakond	11314	*****.com	2001	$138,372,064	156	Corporation	5	10722319
6	Leonhard Weiss OU	Estonia	Tallinn	Vesse Tn 8	Harju Maakond	11415	*****.ee	2011	$137,477,217	450	Corporation	72	12083348
7	Grk Eesti AS	Estonia	Tartu	Spektri Tn 6	Tartu Maakond	50411	*****.fi	2013	$108,880,370	119	Corporation	30	12579850
8	Arrow Ecs Baltic OU	Estonia	Tallinn	Sopruse Pst 145	Harju Maakond	13425	*****.com	2011	$92,318,750	59	Corporation	531	12141384
9	Ou Ehitustrust	Estonia	Tartu	Paju Tn 2	Tartu Maakond	50603	*****.ee	2012	$80,263,818	78	Corporation	3	12310585
10	Verston Eesti OU	Estonia	Paide	Raudtee Tn 1a	Järva Maakond	72720	N/A	2010	$79,738,218	320	Corporation	8	11947047
11	Embach Ehitus OU	Estonia	Tartu	Turu Tn 34	Tartu Maakond	51014	*****.ee	2015	$75,810,449	58	Corporation	23	12802319
12	Aktsiaselts Ehitusfirma Rand Ja Tuulberg	Estonia	Tartu	Paju Tn 2	Tartu Maakond	50603	*****.ee	1996	$68,641,242	57	Corporation	13	10086190
13	AS Trev-2 Grupp	Estonia	Tallinn	Maealuse Tn 2/4	Harju Maakond	12618	*****.ee	1996	$59,694,212	251	Corporation	2	10047362
14	Ou Fund Ehitus	Estonia	Tallinn	Veerenni Tn 40a	Harju Maakond	10138	*****.ee	2006	$59,233,759	54	Corporation	N/A	11277437
15	Enersense Aktsiaselts	Estonia	Tallinn	Lootsa Tn 12	Harju Maakond	11415	*****.ee	2007	$55,103,786	306	Corporation	37	11445550
16	Mitt & Perlebach OU	Estonia	Tallinn	Jarvevana Tee 7b	Harju Maakond	10112	*****.ee	2010	$54,046,661	62	Corporation	3	11970537
17	Ou Metropoli Ehitus	Estonia	Tallinn	Maakri Tn 19/1	Harju Maakond	10145	*****.ee	2014	$53,854,246	31	Corporation	N/A	12765305
18	Ou Tallinna Ehitustrust	Estonia	Tartu	Paju Tn 2	Tartu Maakond	50603	*****.ee	2015	$52,805,235	33	Corporation	3	12839653
19	Kodumaja AS	Estonia	Tartu	Puidu Tn 2	Tartu Maakond	50411	*****.ee	2007	$51,274,027	138	Corporation	8	11386770
20	Wiso Engineering OU	Estonia	Tallinn	Mustamae Tee 46	Harju Maakond	10621	N/A	2022	$48,670,626	19	Corporation	92	16613472
21	Ou Kaamos Ehitus	Estonia	Tallinn	Veskiposti Tn 2	Harju Maakond	10138	*****.ee	2005	$47,192,352	32	Corporation	48	11100288
22	Aktsiaselts Tref Nord	Estonia	Rae	Lagedi Tee 30	Harju Maakond	75325	*****.ee	1997	$46,487,988	125	Corporation	4	10217746
23	AS Inf Ehitus	Estonia	Soodevahe	Radisti Tee 7	Harju Maakond	75322	*****.ee	2005	$46,069,542	125	Corporation	89	11097051
24	AS Maru Ehitus	Estonia	Tallinn	Jarvevana Tee 5	Harju Maakond	10112	*****.ee	2000	$40,839,557	42	Corporation	21	10714568
25	Bildgren Ehitus OU	Estonia	Tallinn	Rotermanni Tn 8	Harju Maakond	10111	N/A	2023	$39,447,444	25	Corporation	3	16695116

Showing 25 of 13,992 companies

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How many construction companies are there in Estonia?

Construction companies and construction firms in Estonia

13,992

26 October 2026

There are 13,992 construction companies and construction firms in Estonia in our data (26 October 2026). That is one in every 27 Estonian companies. About 3 new firms are entered in the register every working day this year (725 so far in 2026).

Structure

Single-site firms: 13,138 94%
Head offices: 854
Branch offices: 0

Classification

NACE Rev. 2 code 41. Our platform filter is SIC major group 15, major group 16.

13,565 of the 13,992 are OÜ and AS (97%); 302 are sole traders. They come from e-Business Register (äriregister) and our Estonian register data, through the Company Data API.

Construction firms in Tallinn

Tallinn has 3,925 construction companies and construction firms, 2.3% of all 168,501 Tallinn companies and 37% below the national share. Four in five Tallinn firms have fewer than five people; 24 have 50 or more. 185 new firms were entered in 2026, 0 date from before 1990.

Size

1-4 staff: 3,200 · 83%
5-9: 379 · 10%
10-19: 178 · 5%
20-49: 62 · 2%
50+: 24 · 0.6%

Legal form

Sole traders: 41 · 1%
Partnerships: 14 · 0.4%
OÜ and AS: 3,841 · 98%
Other or none: 29 · 0.7%

Of the Estonian total: 28.1%
Of all Tallinn companies: 2.3%
Against the national share: 0.6×

New

Entered 2026 so far: 185
Entered 2025: 322
Of Estonia's 2026 entries: 25.5%

Old

Before 1990: 0 · 0%
1990 or later: 3,925 · 100%
Of Estonia's pre-1990 firms: 0%

Reachable

Email: 207 · 5%
Phone: 321 · 8%
Website: 604 · 15%

Revenue (USD)

Under $100K: 1,033 · 29%
$100K-$500K: 1,888 · 53%
$500K-$1M: 258 · 7%
$1M and more: 377 · 11%

Largest

1450
2306
3285
4251
5229

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Firm sizes in Estonia

Of the 13,793 Estonian construction firms with a known headcount, 11,883 (86%) have one to four people, 1,241 have five to nine, 624 have ten to 49 and 45 have 50 or more. Most firms turn over between $100,000 and $500,000 a year (6,655, 52%).

EU size bands · the grey line shows all Estonian companies

Micro under 1013,124 95%
Small 10 to 49624 5%
Medium 50 to 24945 0.3%
Large 250+0 0.0%

Grey line: the share among all Estonian companies (97% have under ten staff).

165

firms turn over more than $5 million a year; 94 more than $10 million.

725

firms were entered in 2026.

Where in Estonia?

Tallinn has the most construction companies in Estonia (3,925), ahead of Tartu (910), Pärnu (558), Viljandi (206) and Rakvere (183). Together the five hold two in five of them. Relative to their size, Võru, Rakvere and Pärnu have the most: 1.5 to 1.6 times the national share.

Cities by number of firms

1,770 Estonian cities have at least one construction firm; 158 have ten or more; 798 have exactly one. Click a city to set the lens.

Only here

Where they cluster

Construction firms per 100 companies, in cities with at least 100 of them. The national share is 3.72. Võru has 1.6 times the national share.

1.6×
1.6×
1.5×
1.4×
1.1×
1.1×
1.1×
1.0×
0.8×
0.6×

Dashed line: the national share. A filled dot is twice the national share or more.

By county 17 counties

County	Firms	%
Harju Maakond	5,879	42%
Tartu Maakond	1,853	13%
Pärnu Maakond	1,299	9%
Lääne-Viru Maakond	683	5%
Ida-Viru Maakond	594	4%
Viljandi Maakond	556	4%
Võru Maakond	475	3%
Rapla Maakond	470	3%
Saare Maakond	421	3%
Jõgeva Maakond	324	2%

Show all 17

Largest construction firms in Estonia

The biggest firms by staff and by revenue, the largest in Tallinn, the biggest newcomers of 2026 and the oldest firms. Click a name for the record.

Leonhard Weiss OU is the largest construction firm in Estonia by headcount. 45 firms employ 50 people or more; 19 employ 100 or more.

1Tallinn450 staff
2Paide320 staff
3Tallinn306 staff
4Tallinn285 staff
5Tallinn251 staff
6Tartu230 staff
7Tallinn229 staff
8Narva173 staff
9Tartu150 staff
10Tallinn146 staff

By employee size · 13,793 firms with a known headcount

Employees	Firms	%
1-4	11,883	86%
5-9	1,241	9%
10-19	474	3%
20-49	150	1%
50-99	26	0.2%
100-199	13	<0.1%
200-499	6	<0.1%
500-999	0	0%
1,000+	0	0%

86% have 1 to 4 people; 150 have 20 to 49; 45 have 50 or more.

By yearly revenue (USD)

Revenue	Firms	%
< $100K	4,430	34%
$100K-$500K	6,655	52%
$500K-$1M	754	6%
$1M-$5M	854	7%
$5M-$10M	71	0.6%
$10M-$50M	75	0.6%
$50M-$100M	12	<0.1%
$100M-$500M	7	<0.1%

52% between $100,000 and $500,000; 854 between $1M and $5M; 165 above $5M.

How reachable are they?

Construction firms are harder to reach than the average Estonian company: 6% list a phone number and 14% a website.

Email616 4%
Phone783 6%
Website1,979 14%

Grey line: all Estonian companies (email 6%, phone 12%, website 14%).

The full list with these fields is in our Estonian company database.

Newcomers in Estonia in 2026

725 construction firms were entered in the Estonian register so far in 2026, about 3 a working day, after 1,164 in 2025. Estonia as a whole saw 18,095 new companies in 2026, so this industry takes 4.0% of the inflow.

7212022
8142023
9982024
1,1642025
7252026 so far

699 of this year's 725 are OÜ and AS.

The biggest newcomers of 2026

The year is the register entry; an established firm that changes legal form appears as new.

1Tallinn12 staff
2Tallinn9 staff
3Härjanurme9 staff
4Tallinn9 staff
5Elva8 staff

How they compare

Next to related industries

There are 3 real estate companies for every construction firm in Estonia.

Industry	Firms	Website	1-4 staff
Real Estate Companies	36,182	10%	96%
Construction Companies	13,992	14%	85%
Contractors	11,929	13%	89%
Engineering Companies	4,893	16%	94%
Electricians	2,512	21%	88%
Architects	1,221	23%	94%

In other countries

Country	Firms	Per 1,000 cos.
The USA	1,868,524	29.3
India	973,282	25.1
South Africa	482,363	62.7
Italy	294,042	41.9
Spain	233,962	43.0
Estonia	13,992	37.2

More countries →

Free sample: construction firms in Europe

The oldest firms in Estonia

Our data holds 0 Estonian construction firms from before 1900, 0 from before 1950 and 0 from before 1990.

1995
1. Tartu
1996
1. Väike-Maarja
1996
1. Tallinn
1996
1. Narva
1996
1. Tartu
1996
1. Tallinn

Fewer than five firms date from before 1950, so the timeline starts with the oldest firms before 1990.

Older than you

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Move the slider to a year. Two live counts, scoped to this industry.

1990

Estonian construction firms date from before 1990

were entered in 1990

Sole traders or OÜ: how they are organised

One in forty-six Estonian construction firms work as sole traders, against 7% of all Estonian companies. Nearly all are OÜ and AS.

Sole traders (FIE)3022%
Partnerships610.4%
OÜ and AS13,56597%
No form on record or other640.5%

Single-site: 94%
Head offices: 854
Branches: 0

All Estonian companies: 7% sole traders, 1% partnerships, 78% OÜ and AS.

Frequently asked questions

How many construction companies are there in Estonia?

There are 13,992 construction companies and construction firms in Estonia in our data, counted on 26 October 2026. That is one in every 27 Estonian companies.

Which is the largest construction firm in Estonia?

Leonhard Weiss OU in Tallinn, with 450 staff. By revenue Osauhing Mapri Ehitus in Tartu leads with $172.1 million a year.

Which Estonian city has the most construction companies?

Tallinn, with 3,925, ahead of Tartu (910), Pärnu (558), Viljandi (206) and Rakvere (183). Relative to its size, Võru has the most: 1.6 times the national share.

How many construction firms are there in Tallinn?

3,925, which is 2.3% of all 168,501 Tallinn companies and 37% below the national share.

How big is a typical construction firm?

Small. 86% of the 13,793 firms with a known headcount have one to four people; 45 have 50 or more. Most turn over between $100,000 and $500,000 a year.

Are Estonian construction companies sole traders or companies?

One in forty-six (302) are sole traders, 0.4% are partnerships and 97% (13,565) are OÜ and AS.

How many construction firms started in 2026?

725 were entered in the Estonian register so far in 2026, after 1,164 in 2025. 699 of them are OÜ and AS.

What is the oldest construction firm in Estonia?

Osauhing Savekate in Tartu, 1995, followed by Aktsiaselts Antaares in Väike-Maarja (1996) and Aktsiaselts Ebc Ehitus in Tallinn (1996). 0 firms date from before 1900.

Which industry code covers construction companies?

Estonian construction companies are classified under NACE Rev. 2 code 41. Our platform filters them on SIC major group 15 (building construction general contractors and operative builders) and major group 16 (heavy construction other than building construction contractors).

Can I download the full list?

Yes. All 13,992 firms with address, phone, email, legal form, employees, revenue and founding year, as Excel, CSV or through the API.

Discover more: related industries, in other countries

The lists closest to this one. Every industry and city in Estonia is on the Estonia page.

Construction

Europe

Americas

Asia Pacific

Africa and Middle East

Construction Companies in South Africa

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