62201Computer consultancy activities

3,367 companies

Largest companies by revenue

1.Aktsiaselts Fujitsu Estonia
10239452, Lasnamäe linnaosa
Revenue 2025
€21.4M
+2.2%
Net profit
−€165.3K
−1,149%
Employees
293
2.OIXIO Digital AS
10351019, Kesklinna linnaosa
Revenue 2025
€12.7M
+15%
Net profit
€1.2M
+30%
Employees
88
3.Satellite-IT OÜ
16435705, Lasnamäe linnaosa
Revenue 2025
€5.9M
+25%
Net profit
€158.6K
+1,373%
Employees
1
4.DIGMATIX Estonia AS
10653988, Mustamäe linnaosa
Revenue 2025
€5.6M
−39%
Net profit
€88.6K
−80%
Employees
89
5.Hacken OÜ
14351915, Kesklinna linnaosa
Revenue 2025
€5.3M
−9%
Net profit
−€196.2K
−116%
Employees
1
6.Clarified Security OÜ
12164540, Lasnamäe linnaosa
Revenue 2025
€4.5M
+8.6%
Net profit
€121.4K
−68%
Employees
27
7.Rulta OÜ
14640476, Kesklinna linnaosa
Revenue 2025
€4.3M
+35%
Net profit
−€154.2K
+66%
Employees
0
8.HeyReach Inc OÜ
17149947, Kesklinna linnaosa
Revenue 2025
€3.9M
—
Net profit
€2.1M
—
Employees
0
9.Wizon OÜ
12570796, Kesklinna linnaosa
Revenue 2025
€3.9M
+26%
Net profit
€338K
+23%
Employees
27
10.Rushmore Technology OÜ
14612402, Lasnamäe linnaosa
Revenue 2025
€3.7M
+31%
Net profit
€1.3M
−24%
Employees
8

#	Company	Reg.	Revenue	Change	Net profit	Change	Employees
1	Aktsiaselts Fujitsu Estonia 10239452, Lasnamäe linnaosa	1997	€21,366,340 2025	+2.2%	−€165,285	−1,149%	293 annual average (FTE)
2	OIXIO Digital AS 10351019, Kesklinna linnaosa	1997	€12,658,422 2025	+15%	€1,203,531	+30%	88 annual average (FTE)
3	Satellite-IT OÜ 16435705, Lasnamäe linnaosa	2022	€5,938,500 2025	+25%	€158,584	+1,373%	1 annual average (FTE)
4	DIGMATIX Estonia AS 10653988, Mustamäe linnaosa	2000	€5,589,337 2025	−39%	€88,583	−80%	89 annual average (FTE)
5	Hacken OÜ 14351915, Kesklinna linnaosa	2017	€5,279,617 2025	−9%	−€196,222	−116%	1 annual average (FTE)
6	Clarified Security OÜ 12164540, Lasnamäe linnaosa	2011	€4,480,005 2025	+8.6%	€121,434	−68%	27 annual average (FTE)
7	Rulta OÜ 14640476, Kesklinna linnaosa	2019	€4,317,793 2025	+35%	−€154,177	+66%	0 annual average (FTE)
8	HeyReach Inc OÜ 17149947, Kesklinna linnaosa	2025	€3,929,824 2025	—	€2,081,002	—	0 annual average (FTE)
9	Wizon OÜ 12570796, Kesklinna linnaosa	2013	€3,891,222 2025	+26%	€337,954	+23%	27 annual average (FTE)
10	Rushmore Technology OÜ 14612402, Lasnamäe linnaosa	2018	€3,663,449 2025	+31%	€1,284,619	−24%	8 annual average (FTE)

Includes

This class includes: - computer hardware, software and systems consultancy activities, including cybersecurity consultancy activities - planning and designing of computer systems which integrate computer hardware, software and communication technologies - activities of auditing and certification of computing and data processing infrastructures and services This class also includes: - provision of advice on software requirements and procurement of the hardware and software components of a computer system

Also includes

advising the client upon relocation of the computer system information security monitoring based on a contract technical expertise in case of specific issues (e.g. server, network, process component, capacity, performance or security audit, assessment and documentation without consultation)

Excludes

installation of mainframe and similar computers, see 33201 sale of computer hardware or software on physical media, see 46501, 47401 software publishing, see 582 installation (setting-up) of personal computers, see 62901 software installation, see 62901 provision of computer disaster recovery services, see 62901 general cybersecurity training, see 85592