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Highest revenue: Investigation and security activities

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100 companies, from 2025 annual reports. Registered companies only.

  1. 1.AS G4S Eesti
    10022095, Kristiine linnaosa
    Revenue 2025
    €70.5M
    +3.4%
    Net profit
    €918.1K
    −47%
    Employees
    1,558
  2. 2.Viking Security AS
    10026845, Kristiine linnaosa
    Revenue 2025
    €24.4M
    −6%
    Net profit
    −€269K
    −13,550%
    Employees
    842
  3. 3.OÜ Articard
    10974803, Kristiine linnaosa
    Revenue 2025
    €4.6M
    +25%
    Net profit
    €61.2K
    +2,010%
    Employees
    170
  4. 4.Osaühing Rapid Security
    10855116, Narva linn
    Revenue 2025
    €2.8M
    −3.6%
    Net profit
    −€372.8K
    −99%
    Employees
    46
  5. 5.AS G4S Grupp
    10030203, Kristiine linnaosa
    Revenue 2025
    €2.5M
    +2.6%
    Net profit
    €497.4K
    +11%
    Employees
    47
  6. 6.FTC Security OÜ
    17049772, Kesklinna linnaosa
    Revenue 2025
    €1.9M
    —
    Net profit
    €211K
    —
    Employees
    10
  7. 7.Tondi Tulekaitse OÜ
    11363541, Kesklinna linnaosa
    Revenue 2025
    €1.5M
    +4.1%
    Net profit
    €121.5K
    −35%
    Employees
    12
  8. 8.Meeskond Security OÜ
    11506174, Kesklinna linnaosa
    Revenue 2025
    €1.3M
    +5.6%
    Net profit
    €40.2K
    +68%
    Employees
    20
  9. 9.OÜ EUROCASH1
    11094211, Kesklinna linnaosa
    Revenue 2025
    €1.2M
    −0.1%
    Net profit
    −€14.8K
    −294%
    Employees
    64
  10. 10.VA Systems OÜ
    11697257, Kesklinna linnaosa
    Revenue 2025
    €1.1M
    +1.1%
    Net profit
    €84.2K
    −51%
    Employees
    13
  11. 11.Citysec Turvateenistus OÜ
    12390518, Kristiine linnaosa
    Revenue 2025
    €939.7K
    −30%
    Net profit
    −€71.3K
    −1,188%
    Employees
    51
  12. 12.K Security OÜ
    12878794, Kristiine linnaosa
    Revenue 2025
    €836.5K
    −6.1%
    Net profit
    −€22.4K
    −189%
    Employees
    32
  13. 13.Valvekoondis OÜ
    12549599, Kristiine linnaosa
    Revenue 2025
    €759K
    +16%
    Net profit
    €12K
    +175%
    Employees
    30
  14. 14.OÜ Incatex
    12445546, Mustamäe linnaosa
    Revenue 2025
    €584.9K
    +57%
    Net profit
    €107.4K
    +4,789%
    Employees
    7
  15. 15.ESC Risk Management OÜ
    14583459, Haabersti linnaosa
    Revenue 2025
    €581.7K
    −24%
    Net profit
    −€81.4K
    −199%
    Employees
    1
  16. 16.Antifire Hooldus OÜ
    14100061, Mustamäe linnaosa
    Revenue 2025
    €534.1K
    +27%
    Net profit
    €9.8K
    +131%
    Employees
    6
  17. 17.Onetor Hooldus OÜ
    10996064, Põhja-Tallinna linnaosa
    Revenue 2025
    €507.5K
    +10%
    Net profit
    €62.4K
    +28%
    Employees
    4
  18. 18.123tracking OÜ
    12991705, Nõmme linnaosa
    Revenue 2025
    €494.7K
    −11%
    Net profit
    €66.3K
    +38%
    Employees
    2
  19. 19.NordicEye OÜ
    14265185, Koeru alevik
    Revenue 2025
    €473.1K
    +47%
    Net profit
    €36.2K
    +758%
    Employees
    6
  20. 20.FLS OÜ
    12197440, Mustamäe linnaosa
    Revenue 2025
    €379.2K
    −4.3%
    Net profit
    −€19.5K
    +33%
    Employees
    9
  21. 21.EUROCASH1 Estonia OÜ
    16276454, Kesklinna linnaosa
    Revenue 2025
    €378.2K
    +3.7%
    Net profit
    −€3.2K
    −157%
    Employees
    1
  22. 22.OÜ Secure Estonia
    12211274, Kesklinna linnaosa
    Revenue 2025
    €349.6K
    −1%
    Net profit
    €13.7K
    −34%
    Employees
    14
  23. 23.Osaühing Multilink Group
    11226994, Harkujärve küla
    Revenue 2025
    €344.8K
    +30%
    Net profit
    −€7.5K
    −151%
    Employees
    2
  24. 24.Digisec OÜ
    12262892, Tartu linn
    Revenue 2025
    €330.2K
    +8%
    Net profit
    €13.2K
    +117%
    Employees
    8
  25. 25.Desperado Turvateenistuse OÜ
    10362721, Haabersti linnaosa
    Revenue 2025
    €318.4K
    +7.9%
    Net profit
    −€26.9K
    −546%
    Employees
    13
  26. 26.Protective Seals Solutions OÜ
    12094041, Mustamäe linnaosa
    Revenue 2025
    €316.3K
    −8.9%
    Net profit
    €50.7K
    +47%
    Employees
    2
  27. 27.Holdfast OÜ
    11346747, Peetri alevik
    Revenue 2025
    €282K
    −49%
    Net profit
    −€60.1K
    −300%
    Employees
    3
  28. 28.OÜ Ares Security
    12190402, Tartu linn
    Revenue 2025
    €279.5K
    +5.2%
    Net profit
    €26.1K
    −80%
    Employees
    20
  29. 29.Lineus Group OÜ
    11210901, Kristiine linnaosa
    Revenue 2025
    €276.7K
    +11%
    Net profit
    −€15.7K
    −161%
    Employees
    3
  30. 30.Tresec OÜ
    14553104, Käärdi alevik
    Revenue 2025
    €256.6K
    −15%
    Net profit
    €36.4K
    −32%
    Employees
    2
  31. 31.osaühing Besel-Alarm
    10496611, Nõmme linnaosa
    Revenue 2025
    €254.9K
    +16%
    Net profit
    €2.6K
    −89%
    Employees
    3
  32. 32.ProSecurity Partner OÜ
    16039317, Kesklinna linnaosa
    Revenue 2025
    €236.1K
    +18%
    Net profit
    €27.4K
    +36%
    Employees
    4
  33. 33.OSAÜHING ARELET
    10194040, Laagri alevik
    Revenue 2025
    €226K
    +22%
    Net profit
    €43.3K
    +94%
    Employees
    3
  34. 34.Osaühing Heis
    10007687, Rakvere linn
    Revenue 2025
    €224.8K
    −23%
    Net profit
    €322
    +100%
    Employees
    2
  35. 35.Lukuabi Grupp OÜ
    11385960, Kesklinna linnaosa
    Revenue 2025
    €224.7K
    −0.4%
    Net profit
    €9.2K
    +7.9%
    Employees
    6
  36. 36.OÜ KOTKAVAIM
    11170567, Haapsipea küla
    Revenue 2025
    €217.6K
    +2.6%
    Net profit
    €25.1K
    +684%
    Employees
    2
  37. 37.TITAN SECURITY OÜ
    11682215, Kesklinna linnaosa
    Revenue 2025
    €199.3K
    +151%
    Net profit
    €795
    +107%
    Employees
    1
  38. 38.Ohutuskontrolli Keskus OÜ
    12723399, Painküla
    Revenue 2025
    €197.7K
    +105%
    Net profit
    €20.3K
    +185%
    Employees
    2
  39. 39.Arei Turvateenistus OÜ
    12700145, Lasnamäe linnaosa
    Revenue 2025
    €170.3K
    +51%
    Net profit
    −€495
    −106%
    Employees
    12
  40. 40.OÜ VL Puhastus
    11101425, Pärnu linn
    Revenue 2025
    €161.1K
    −27%
    Net profit
    €4.1K
    −5.3%
    Employees
    4
  41. 41.OÜ SKALINA
    12061596, Lasnamäe linnaosa
    Revenue 2025
    €151.3K
    −23%
    Net profit
    −€10K
    −315%
    Employees
    6
  42. 42.Asluk OÜ
    11980409, Ülenurme alevik
    Revenue 2025
    €147.3K
    −27%
    Net profit
    €31.4K
    −25%
    Employees
    1
  43. 43.Dial Security OÜ
    14647840, Alliku küla
    Revenue 2025
    €123.6K
    −22%
    Net profit
    €14.9K
    +23%
    Employees
    1
  44. 44.KD Solutions OÜ
    16067199, Mustamäe linnaosa
    Revenue 2025
    €121.6K
    +36%
    Net profit
    €5.2K
    +25%
    Employees
    2
  45. 45.OÜ Full Security
    16992541, Raadi alev
    Revenue 2025
    €116.5K
    +710%
    Net profit
    €31.4K
    +233%
    Employees
    1
  46. 46.Almasel hooldus OÜ
    16835528, Mustamäe linnaosa
    Revenue 2025
    €109.6K
    +129%
    Net profit
    €1.5K
    +108%
    Employees
    2
  47. 47.alearms OÜ
    14235379, Lasnamäe linnaosa
    Revenue 2025
    €109K
    0%
    Net profit
    −€30K
    0%
    Employees
    3
  48. 48.SMPRO OÜ
    16704281, Kesklinna linnaosa
    Revenue 2025
    €107.1K
    −45%
    Net profit
    −€63.1K
    −89%
    Employees
    1
  49. 49.TURVISGRUPP OÜ
    16097295, Karja küla
    Revenue 2025
    €102.9K
    +64%
    Net profit
    −€6.6K
    −119%
    Employees
    1
  50. 50.Turvaabi OÜ
    12745366, Lasnamäe linnaosa
    Revenue 2025
    €93.9K
    −63%
    Net profit
    −€2.5K
    −108%
    Employees
    9
  51. 51.Kodukaitse Osaühing
    16846880, Pärnu linn
    Revenue 2025
    €93.8K
    +72%
    Net profit
    €9.6K
    +129%
    Employees
    4
  52. 52.E.S.P Security OÜ
    12647764, Nõo alevik
    Revenue 2025
    €90.3K
    −22%
    Net profit
    €7.4K
    −69%
    Employees
    5
  53. 53.OÜ Easyfix
    12179122, Vaela küla
    Revenue 2025
    €86.3K
    +18%
    Net profit
    −€19.2K
    −958,000%
    Employees
    1
  54. 54.KAITSE PRO OÜ
    10178992, Kesklinna linnaosa
    Revenue 2025
    €78.6K
    −22%
    Net profit
    €7.4K
    −41%
    Employees
    4
  55. 55.ANDUR OÜ
    12049336, Tapa linn
    Revenue 2025
    €76.4K
    +39%
    Net profit
    €5.4K
    +178%
    Employees
    1
  56. 56.SVGtec OÜ
    14698375, Rakvere linn
    Revenue 2025
    €75.5K
    +53%
    Net profit
    €6.3K
    +185%
    Employees
    1
  57. 57.Osaühing Kartafone
    10309709, Põhja-Tallinna linnaosa
    Revenue 2025
    €75.1K
    −1.6%
    Net profit
    €309.9K
    +992%
    Employees
    0
  58. 58.OÜ Kiilson
    11971540, Tartu linn
    Revenue 2025
    €73.4K
    +11%
    Net profit
    €3.9K
    −8.9%
    Employees
    1
  59. 59.Xtra Mile OÜ
    16822371, Muraka küla
    Revenue 2025
    €71.5K
    +15%
    Net profit
    €66.7K
    +133%
    Employees
    0
  60. 60.AltSec OÜ
    16313770, Hulja alevik
    Revenue 2025
    €71.5K
    +33%
    Net profit
    €9.3K
    −13%
    Employees
    1
  61. 61.Kineltur OÜ
    11523310, Rakvere linn
    Revenue 2025
    €58.2K
    −17%
    Net profit
    €2K
    +109%
    Employees
    0
  62. 62.Osaühing VELLINGOL Grupp
    10540237, Lasnamäe linnaosa
    Revenue 2025
    €52.8K
    +9.2%
    Net profit
    €4.8K
    +250%
    Employees
    2
  63. 63.Uks kord OÜ
    17229149, Haabersti linnaosa
    Revenue 2025
    €51.7K
    —
    Net profit
    €34.4K
    —
    Employees
    3
  64. 64.ES Safety OÜ
    16925071, Tsooru küla
    Revenue 2025
    €49.8K
    +1,122%
    Net profit
    −€59
    −103%
    Employees
    0
  65. 65.OÜ Vesta Security
    11808018, Kesklinna linnaosa
    Revenue 2025
    €45.8K
    −27%
    Net profit
    −€1.4K
    −128%
    Employees
    5
  66. 66.IO Solutions OÜ
    14636724, Laulasmaa küla
    Revenue 2025
    €44.3K
    +24,519%
    Net profit
    €3.5K
    +2,641%
    Employees
    1
  67. 67.N-Video OÜ
    14087915, Narva linn
    Revenue 2025
    €39K
    −2.3%
    Net profit
    €27.1K
    +506%
    Employees
    1
  68. 68.Spades Security OÜ
    16636711, Lasnamäe linnaosa
    Revenue 2025
    €38.6K
    −3.4%
    Net profit
    €36.8K
    +128%
    Employees
    2
  69. 69.City Grupi Osaühing
    10286227, Kristiine linnaosa
    Revenue 2025
    €38.2K
    −6.3%
    Net profit
    €348
    +57%
    Employees
    2
  70. 70.Altree OÜ
    17266162, Narva linn
    Revenue 2025
    €37.3K
    —
    Net profit
    €13.8K
    —
    Employees
    0
  71. 71.Osaühing Securitec
    10305427, Haabneeme alevik
    Revenue 2025
    €36.1K
    +2%
    Net profit
    −€5.3K
    +80%
    Employees
    0
  72. 72.Advanced Technoparks OÜ
    14100679, Nõmme linnaosa
    Revenue 2025
    €36K
    —
    Net profit
    €287
    —
    Employees
    3
  73. 73.OÜ EUROCREDIT
    11545458, Kesklinna linnaosa
    Revenue 2025
    €33.9K
    +159%
    Net profit
    €28.8K
    +123%
    Employees
    0
  74. 74.Guard OÜ
    12857846, Pärnu-Jaagupi alev
    Revenue 2025
    €33.1K
    +91%
    Net profit
    €405
    −90%
    Employees
    5
  75. 75.OSAÜHING BOOMER
    10501884, Narva linn
    Revenue 2025
    €32.7K
    −16%
    Net profit
    €369
    +107%
    Employees
    2
  76. 76.OÜ Estonian Security Agency
    12524518, Aila küla
    Revenue 2025
    €31.1K
    +9.3%
    Net profit
    €158
    −33%
    Employees
    2
  77. 77.AVANTIUS OÜ
    10882780, Raadi alev
    Revenue 2025
    €25.1K
    −3.3%
    Net profit
    −€1.8K
    −98%
    Employees
    1
  78. 78.EventSEC OÜ
    16748367, Kesklinna linnaosa
    Revenue 2025
    €24.2K
    −28%
    Net profit
    −€6.1K
    +68%
    Employees
    1
  79. 79.Admitter OÜ
    16133973, Rammu küla
    Revenue 2025
    €24K
    +86%
    Net profit
    €17.7K
    +131%
    Employees
    0
  80. 80.OSAÜHING ANERO GRUPP
    11521736, Järve linnaosa
    Revenue 2025
    €23.9K
    +37%
    Net profit
    €9.1K
    −23%
    Employees
    0
  81. 81.Lion Security OÜ
    16775039, Pärnu linn
    Revenue 2025
    €23K
    −20%
    Net profit
    €2.5K
    +87%
    Employees
    1
  82. 82.Faentador OÜ
    16056304, Narva linn
    Revenue 2025
    €22.8K
    −44%
    Net profit
    €332
    −83%
    Employees
    0
  83. 83.A-Valvest OÜ
    11415810, Lasnamäe linnaosa
    Revenue 2025
    €19.5K
    +10%
    Net profit
    −€2.9K
    −168%
    Employees
    1
  84. 84.EDIAL SÜSTEEMID OÜ
    10785887, Põhja-Tallinna linnaosa
    Revenue 2025
    €18.9K
    −23%
    Net profit
    −€1.6K
    −234%
    Employees
    1
  85. 85.Kris10 OÜ
    17121647, Kesklinna linnaosa
    Revenue 2025
    €16.5K
    —
    Net profit
    €2.1K
    —
    Employees
    0
  86. 86.RATIBOR Security OÜ
    17103098, Lasnamäe linnaosa
    Revenue 2025
    €16.3K
    —
    Net profit
    €10.3K
    —
    Employees
    3
  87. 87.INGLIVALVE OÜ
    11464837, Röa küla
    Revenue 2025
    €16K
    −1.7%
    Net profit
    €1.3K
    +5.6%
    Employees
    0
  88. 88.RV TEHNIK OÜ
    14859499, Kristiine linnaosa
    Revenue 2025
    €15.6K
    —
    Net profit
    €15.3K
    +10,742%
    Employees
    0
  89. 89.Tuleohutusmeetmed OÜ
    14775182, Pirita linnaosa
    Revenue 2025
    €15K
    −1.7%
    Net profit
    −€4.1K
    +1.8%
    Employees
    0
  90. 90.4Partner OÜ
    11440311, Peetrimõisa küla
    Revenue 2025
    €14.3K
    −47%
    Net profit
    €516
    +197%
    Employees
    1
  91. 91.Osaühing Koertedressuur Canis
    10280704, Lasnamäe linnaosa
    Revenue 2025
    €9.8K
    +21%
    Net profit
    €136
    +20%
    Employees
    1
  92. 92.osaühing Medroksal Inkasso
    10582977, Pärnu linn
    Revenue 2025
    €8.6K
    −52%
    Net profit
    €8.6K
    −52%
    Employees
    0
  93. 93.Armsec OÜ
    12492505, Mustamäe linnaosa
    Revenue 2025
    €8.2K
    +900%
    Net profit
    −€931
    −543%
    Employees
    1
  94. 94.TP Fecit Osaühing
    10901744, Kristiine linnaosa
    Revenue 2025
    €7.5K
    −49%
    Net profit
    −€17.2K
    +12%
    Employees
    1
  95. 95.Osaühing Elnateks Teenused
    11081941, Haabersti linnaosa
    Revenue 2025
    €7.5K
    +148%
    Net profit
    €5.6K
    +187%
    Employees
    0
  96. 96.Kvazi OÜ
    16798626, Mustamäe linnaosa
    Revenue 2025
    €7.4K
    −78%
    Net profit
    €2.6K
    −92%
    Employees
    1
  97. 97.Sentech Estonia OÜ
    14042491, Rakvere linn
    Revenue 2025
    €7.1K
    +31%
    Net profit
    −€163
    +92%
    Employees
    0
  98. 98.SGU EE OÜ
    16906168, Kesklinna linnaosa
    Revenue 2025
    €4.2K
    −99%
    Net profit
    −€8.2K
    −836%
    Employees
    0
  99. 99.OÜ Nord Guard
    11784832, Rootsiküla
    Revenue 2025
    €4.1K
    +70%
    Net profit
    −€548
    −184%
    Employees
    0
  100. 100.RDX Grupp OÜ
    12399071, Pada-Aruküla
    Revenue 2025
    €3.2K
    +31%
    Net profit
    €281
    +427%
    Employees
    1