DIAMOND SKY OÜ
- Registry code
- 12439103
- VAT number
- EE101732125
- Address
- Harju maakond, Tallinn, Kesklinna linnaosa, J. Kunderi tn 26, 10121
- Registered
- 15.03.2013 · 13 yrs
- Activity
- Passenger air transport 51101
- Additional activities
- Holiday and other short-stay accommodation
- Capital
- 5 000 €
- k•••@k•••.eeLog in to see
- Phone
- +372 •• ••••Log in to see
Business Register 05.10.2026
Sales revenue7,0 m €+6%2025 annual report
Profit295 k €2025 annual report
Employees19Tax Board 2026 Q2
Average gross salary3 480 €estimate, Tax Board 2026 Q2
Labour taxes per quarter101 k €Tax Board 2026 Q2
Cash58 581 €Cash 31.12.2025, annual report
Tax debt0 €Tax Board debtor list 05.10.2026
Revenue 12 months6,4 m €-18%Tax Board, last 4 quarters
State taxes 12 months405 k €Tax Board, last 4 quarters
Quick check
- No tax debt
- No enforcement proceedings (12 months)
- No payment orders (12 months)
- No bankruptcy or liquidation
- No sanctions
- Report filed (2025)
- VAT registered
Stability
Follow companyNotification when something changesRatingA → AA
In tax debt0 days since 26.09.2026
Revenue 12 months▼ 18% vs a year earlier
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Board and owners
2 persons
| Board 2 | ||
|---|---|---|
| Karl Koort11 companiesno tax debt | Personal ID ↗ | 07.08.2017 |
| Ken Koort22 companiesno tax debt | Personal ID ↗ | 15.03.2013 |
| Shareholders 1 | ||
| K.K DIAMOND GROUP OÜ | 100,0% 5 000 € | 02.09.2023 |
| Beneficial owners 2 | ||
| Karl Koort11 companiesno tax debtmember of the senior management body, i.e. management or supervisory board member | 20.09.2018 | |
| Ken Koort22 companiesno tax debtkaudne osalus | 20.09.2018 | |
Business Register open data
Quarterly taxes and revenue
2026 Q2
State taxes / revenue6,0%
Labour taxes / revenue6,4%
Revenue per employee per month27 582 €
Gross salary (estimate)3 480 €
Net salary (estimate)2 771 €
2026 Q2. Wage is estimated from employment taxes.
| Quarter | Revenue | Change y/y | Labour taxes | State taxes | Employees |
|---|---|---|---|---|---|
| 2026 Q2 | 1 572 153 € | ▼ 24% | 101 177 € | 93 820 € | 19 |
| 2026 Q1 | 1 660 562 € | ▼ 20% | 107 217 € | 100 192 € | 21 |
| 2025 Q4 | 1 586 751 € | ▼ 25% | 114 830 € | 106 930 € | 23 |
| 2025 Q3 | 1 605 455 € | ▲ 0% | 112 189 € | 104 357 € | 24 |
| 2025 Q2 | 2 057 441 € | ▲ 23% | 115 483 € | 107 409 € | 25 |
| 2025 Q1 | 2 078 384 € | ▲ 43% | 109 505 € | 102 164 € | 23 |
| 2024 Q4 | 2 117 989 € | ▲ 25% | 102 747 € | 107 150 € | 23 |
| 2024 Q3 | 1 604 534 € | ▼ 32% | 104 996 € | 78 891 € | 21 |
| 2024 Q2 | 1 671 496 € | ▼ 2% | 134 419 € | 133 829 € | 21 |
| 2024 Q1 | 1 457 801 € | ▲ 23% | 115 837 € | 107 972 € | 24 |
| 2023 Q4 | 1 689 849 € | ▲ 31% | 129 596 € | 125 022 € | 23 |
| 2023 Q3 | 2 351 562 € | ▲ 48% | 124 342 € | 116 511 € | 24 |
Show full history (18 quarters)
| 2023 Q2 | 1 698 320 € | ▲ 1% | 112 336 € | 105 084 € | 27 |
| 2023 Q1 | 1 187 116 € | ▼ 26% | 88 120 € | 82 624 € | 24 |
| 2022 Q4 | 1 290 180 € | 60 602 € | 57 117 € | 21 | |
| 2022 Q3 | 1 586 618 € | 60 100 € | 65 982 € | 19 | |
| 2022 Q2 | 1 686 348 € | 59 076 € | 55 478 € | 17 | |
| 2022 Q1 | 1 595 540 € | 60 450 € | 56 678 € | 17 |
Tax and Customs Board, published on the 10th of the month following the quarter. State taxes include employment taxes. CC BY-SA 3.0
Annual reports
5 yr
| 2025 | 2024 | 2023 | 2022 | 2021 | |||||
|---|---|---|---|---|---|---|---|---|---|
| Sales revenue | 7,0 m € | ▲ 6% | 6,6 m € | ▲ 11% | 5,9 m € | ▲ 12% | 5,3 m € | ▲ 13% | 4,7 m € |
| Profit | 295 k € | ▲ 115% | 137 k € | ▼ 22% | 175 k € | ▲ 102% | 86 688 € | ▲ 237% | 25 759 € |
| Profit margin | 4,2% | 2,1% | 3,0% | 1,6% | 0,5% | ||||
| Retained earnings | 775 k € | ▲ 22% | 638 k € | ▲ 38% | 463 k € | ▲ 23% | 376 k € | ▼ 1% | 380 k € |
| Cash | 58 581 € | ▼ 73% | 218 k € | ▼ 59% | 527 k € | ▲ 1% | 523 k € | ▲ 148% | 211 k € |
| Current assets | 973 k € | ▲ 3% | 940 k € | ▼ 23% | 1,2 m € | ▲ 12% | 1,1 m € | ▲ 53% | 709 k € |
| Fixed assets | 2,3 m € | ▲ 10% | 2,1 m € | ▲ 48% | 1,4 m € | ▲ 33% | 1,1 m € | ▲ 76% | 607 k € |
| Assets | 3,3 m € | ▲ 8% | 3,0 m € | ▲ 16% | 2,6 m € | ▲ 22% | 2,2 m € | ▲ 64% | 1,3 m € |
| Current liabilities | 1,5 m € | ▲ 26% | 1,2 m € | ▲ 43% | 840 k € | ▼ 38% | 1,4 m € | ▲ 128% | 596 k € |
| Long-term liabilities | 226 k € | ▼ 77% | 966 k € | ▼ 8% | 1,1 m € | ▲ 220% | 329 k € | ▲ 7% | 309 k € |
| Total liabilities | 1,7 m € | ▼ 20% | 2,2 m € | ▲ 14% | 1,9 m € | ▲ 12% | 1,7 m € | ▲ 87% | 905 k € |
| Equity | 1,6 m € | ▲ 76% | 880 k € | ▲ 18% | 743 k € | ▲ 59% | 468 k € | ▲ 14% | 411 k € |
| Labour costs | -1,1 m € | ▲ 4% | -1,1 m € | ▲ 5% | -1,2 m € | ▼ 91% | -604 k € | ▼ 15% | -526 k € |
| Employees | 23 | 0% | 23 | ▼ 4% | 24 | ▲ 41% | 17 | 0% | 17 |
| Filed | 30.06.2026 | 14.05.2025 | 14.06.2024 | 29.06.2023 | 15.06.2022 | ||||
| Report | PDF ↓ | PDF ↓ | PDF ↓ | PDF ↓ | PDF ↓ |
▲ growth, ▼ decline compared to the previous year (growth in liabilities is red). Business Register, annual reports. CC BY 4.0
Revenue by activity
2025
| Activity | EMTAK | Sales revenue | Osa |
|---|---|---|---|
| Passenger air transport main activity | 51101 | 6 931 711 € | 99% |
| Holiday and other short-stay accommodation | 55204 | 58 067 € | 1% |
2025 annual report, RIK open data
Real estate
e-kinnistusraamat
Loading properties…
Source: e-kinnistusraamat (Centre of Registers and Information Systems), basic data
Debts and court cases
clean
No tax debt · Tax Board 05.10.2026
Tax Board debtor list (daily), Official Announcements, State Gazette. The Tax Board publishes only today's list; earlier history is collected by Firmo.
Enforcement, payment orders and notices
clean
Official Announcements contain no enforcement, payment order or tax authority notices about the company.
Official Announcements (CC BY-SA 4.0). Enforcement proceedings, payment orders or tax decisions are published there only if they cannot be delivered to the company otherwise. The enforcement register is not public, so the absence of a notice does not mean there are no claims.
State: transactions, tenders, grants
5,2 mln € makseid · 2 tenders · 1 toetust
Transactions with state institutions
2026766 k €
2025849 k €
2024614 k €
20232,9 m €
Largest payers
| REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | 2 864 388 € |
| Transpordiamet | 1 690 114 € |
| SA Tartu Ülikooli Kliinikum | 353 543 € |
| VABARIIGI PRESIDENT (Presidendi Kantselei) | 200 636 € |
| VÄLISMINISTEERIUM | 36 500 € |
All payments by month
| Month | Payer | Type | Field | Amount |
|---|---|---|---|---|
| 08.2026 | SA Tartu Ülikooli Kliinikum | Operating costs | General hospital services | 23 247 € |
| 07.2026 | SA Tartu Ülikooli Kliinikum | Operating costs | General hospital services | 27 796 € |
| 06.2026 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Õhutransport | 51 278 € |
| 06.2026 | SA Tartu Ülikooli Kliinikum | Operating costs | General hospital services | 37 400 € |
| 06.2026 | VABARIIGI PRESIDENT (Presidendi Kantselei) | Operating costs | Central government executive and legislative bodies | 11 600 € |
| 05.2026 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Õhutransport | 69 780 € |
| 05.2026 | SA Tartu Ülikooli Kliinikum | Operating costs | General hospital services | 40 670 € |
| 05.2026 | Kaitsevägi | Operating costs | Military defence | 223 € |
| 05.2026 | Päästeamet | Operating costs | Rescue services | 208 € |
| 05.2026 | VABARIIGI PRESIDENT (Presidendi Kantselei) | Operating costs | Central government executive and legislative bodies | 204 € |
| 05.2026 | Ruhnu Vallavalitsus | Operating costs | Basic and general secondary education | 123 € |
| 04.2026 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Õhutransport | 102 801 € |
| 04.2026 | SA Tartu Ülikooli Kliinikum | Operating costs | General hospital services | 18 813 € |
| 03.2026 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Õhutransport | 121 244 € |
| 03.2026 | SA Tartu Ülikooli Kliinikum | Operating costs | General hospital services | 27 803 € |
| 03.2026 | Eesti Rahvusringhääling | Operating costs | Broadcasting and publishing services | 272 € |
| 03.2026 | SA Põhja-Eesti Regionaalhaigla | Operating costs | Specialised hospital services | 272 € |
| 02.2026 | SA Tartu Ülikooli Kliinikum | Operating costs | General hospital services | 28 020 € |
| 01.2026 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Õhutransport | 154 362 € |
| 01.2026 | SA Tartu Ülikooli Kliinikum | Operating costs | General hospital services | 50 353 € |
| 12.2025 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Õhutransport | 88 420 € |
| 11.2025 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Public transport organisation | 84 389 € |
| 11.2025 | SA Tartu Ülikooli Kliinikum | Operating costs | General hospital services | 37 666 € |
| 11.2025 | SA Tallinna Lastehaigla | Operating costs | General hospital services | 12 900 € |
| 10.2025 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Õhutransport | 22 738 € |
| 09.2025 | VABARIIGI PRESIDENT (Presidendi Kantselei) | Operating costs | Central government executive and legislative bodies | 14 900 € |
| 09.2025 | SA Tartu Ülikooli Kliinikum | Operating costs | General hospital services | 1 105 € |
| 09.2025 | Ruhnu Vallavalitsus | Operating costs | Basic and general secondary education | 186 € |
| 09.2025 | Transpordiamet | Operating costs | Õhutransport | 124 € |
| 08.2025 | SA Tartu Ülikooli Kliinikum | Operating costs | General hospital services | 18 955 € |
| 07.2025 | SA Tartu Ülikooli Kliinikum | Operating costs | General hospital services | 19 000 € |
| 05.2025 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Õhutransport | 79 988 € |
| 05.2025 | SA Tartu Ülikooli Kliinikum | Operating costs | General hospital services | 22 715 € |
| 05.2025 | VABARIIGI PRESIDENT (Presidendi Kantselei) | Operating costs | Central government executive and legislative bodies | 8 500 € |
| 04.2025 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Õhutransport | 121 447 € |
| 04.2025 | Maa- ja Ruumiamet | Operating costs | General economic and trade policy | 2 238 € |
| 03.2025 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Õhutransport | 98 075 € |
| 03.2025 | VÄLISMINISTEERIUM | Operating costs | Foreign policy | 17 500 € |
| 03.2025 | Maa- ja Ruumiamet | Operating costs | General economic and trade policy | 1 708 € |
| 03.2025 | Kaitsevägi | Operating costs | Military defence | 136 € |
| 03.2025 | Muinsuskaitseamet | Operating costs | Heritage protection | 112 € |
| 02.2025 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Õhutransport | 96 915 € |
| 02.2025 | Maa- ja Ruumiamet | Operating costs | General economic and trade policy | 1 891 € |
| 02.2025 | Eesti Lennuakadeemia | Operating costs | Tertiary education | 1 560 € |
| 01.2025 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Õhutransport | 96 029 € |
| 01.2025 | SA Põhja-Eesti Regionaalhaigla | Operating costs | Specialised hospital services | 204 € |
| 12.2024 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Õhutransport | 113 003 € |
| 12.2024 | Maa-amet | Operating costs | General economic and trade policy | 122 € |
| 11.2024 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Õhutransport | 80 087 € |
| 11.2024 | VABARIIGI PRESIDENT (Presidendi Kantselei) | Operating costs | Central government executive and legislative bodies | 69 000 € |
| 10.2024 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Õhutransport | 22 738 € |
| 09.2024 | VABARIIGI PRESIDENT (Presidendi Kantselei) | Operating costs | Central government executive and legislative bodies | 21 000 € |
| 09.2024 | Eesti Lennuakadeemia | Operating costs | Tertiary education | 244 € |
| 06.2024 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Õhutransport | 51 501 € |
| 05.2024 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Õhutransport | 33 383 € |
| 05.2024 | Päästeamet | Operating costs | Rescue services | 232 € |
| 05.2024 | Riigiside SA | Operating costs | Communications | 119 € |
| 04.2024 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Public transport organisation | 62 655 € |
| 04.2024 | Maa-amet | Operating costs | General economic and trade policy | 1 891 € |
| 01.2024 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Public transport organisation | 156 115 € |
| 01.2024 | Maa-amet | Operating costs | General economic and trade policy | 1 860 € |
| 12.2023 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Public transport organisation | 273 555 € |
| 12.2023 | Maa-amet | Operating costs | General economic and trade policy | 600 € |
| 12.2023 | Põllumajanduse Registrite ja Informatsiooni Amet | Operating costs | Põllumajandus | 116 € |
| 11.2023 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Public transport organisation | 250 805 € |
| 10.2023 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Public transport organisation | 210 012 € |
| 09.2023 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Public transport organisation | 279 514 € |
| 09.2023 | Eesti Lennuakadeemia | Operating costs | Tertiary education | 380 € |
| 08.2023 | REGIONAAL- JA PÕLLUMAJANDUSMINISTEERIUM | Muud toetused | Other general services | 143 551 € |
| 08.2023 | SA Ida-Viru Investeeringute Agentuur | Operating costs | General economic development projects | 175 € |
| 07.2023 | Transpordiamet | Muud toetused | Õhutransport | 123 751 € |
| 07.2023 | Eesti Lennuakadeemia | Operating costs | Tertiary education | 252 € |
| 06.2023 | Transpordiamet | Muud toetused | Õhutransport | 415 383 € |
| 06.2023 | VABARIIGI PRESIDENT (Presidendi Kantselei) | Operating costs | Central government executive and legislative bodies | 56 000 € |
| 06.2023 | Terviseamet | Operating costs | Other health care, incl. administration | 650 € |
| 05.2023 | Transpordiamet | Muud toetused | Õhutransport | 299 642 € |
| 05.2023 | Riigi Infokommunikatsiooni SA | Operating costs | Communications | 174 € |
| 04.2023 | Transpordiamet | Muud toetused | Õhutransport | 306 468 € |
| 04.2023 | VABARIIGI PRESIDENT (Presidendi Kantselei) | Operating costs | Central government executive and legislative bodies | 932 € |
| 03.2023 | Transpordiamet | Muud toetused | Õhutransport | 300 959 € |
| 03.2023 | SA Põhja-Eesti Regionaalhaigla | Operating costs | Specialised hospital services | 232 € |
| 02.2023 | Transpordiamet | Muud toetused | Õhutransport | 166 282 € |
| 02.2023 | VÄLISMINISTEERIUM | Operating costs | Foreign policy | 19 000 € |
| 02.2023 | VABARIIGI PRESIDENT (Presidendi Kantselei) | Operating costs | Central government executive and legislative bodies | 18 500 € |
| 01.2023 | Transpordiamet | Muud toetused | Õhutransport | 77 505 € |
Riigi Tugiteenuste Keskus, Saldo makseandmikud
Public procurement contracts
| Date | Contracting authority | Tender | Amount |
|---|---|---|---|
| 23.09.2026 | Riigi Tugiteenuste Keskus | ÕHUSÕIDUKI OSTU-MÜÜGILEPING | 1 135 480 € |
| 10.03.2025 | sihtasutus Tartu Ülikooli Kliinikum | raamleping | 1 000 000 € |
Public Procurement Register
Toetuse saanud projektid toetus kokku 8 838 €
| Projekt | Meede | Periood | Toetus | Välja makstud |
|---|---|---|---|---|
| V regionaallennunduse seminar Narva-Jõesuus Lõpetatud · Riigi Tugiteenuste Keskus | (EK nr 8.1) Õiglane üleminek | 15.08.2024 – 31.10.2024 | 8 838 € | 9 820 € |
Riigi Tugiteenuste Keskus, toetatud projektid
Holdings in other companies
1
| Company | Code | Holding | Since | Revenue |
|---|---|---|---|---|
| Falcon Europe OÜ | 17539080 | 100,0% | 25.06.2026 | 0 € |
Business Register
Companies linked via the board
29
Bioforce Infra OÜKarl Koort20,4 m €BBBBioforce CO2 OÜKarl Koort932 k €BYFS OÜKen Koort833 k €ABellatrix OÜKarl Koort425 k €AAKanarbiku Arendus OÜKarl Koort109 k €BBBDiamond MRO OÜKen Koort49 452 €BBOÜ NOC NORDIC TRADE CONSULTANTSKen Koort33 405 €AHarku vald, Tabasalu alevik, Tammelehe tn 2 korteriühistuKarl Koort14 249 €AOÜ Sky NovaKen Koort10 000 €BOÜ Boats & PlanesKen Koort6 300 €AFlight Support OÜKarl Koort, Ken Koort1 900 €ATallinn, J. Kunderi tn 26 korteriühistuKen Koort4 €BBBOÜ MICE BalticKen Koort0 €BBK.K DIAMOND GROUP OÜKarl Koort, Ken Koort0 €BBEmerald Energy OÜKen Koort0 €BBDiamond CARE OÜKen Koort0 €BBBrilliant Solutions OÜKen Koort0 €BBDiamond Fleet Support OÜKarl Koort0 €BBDiamond Investments OÜKen Koort0 €BBSempre Investments OÜKarl Koort0 €BBMacms Marine Trade OÜKen Koort0 €ADoosti OÜKen Koort0 €BBDiamond ATO OÜKen Koort0 €BBBKF Consult OÜKarl Koort0 €BBDiamondHelicopter OÜKen Koort0 €BBFalcon Europe OÜKen Koort0 €Kurimax Advisory OÜKen Koort0 €Mittetulundusühing MK Flying QueenKen Koort0 €MTÜ Estonia – SA Business CouncilKen Koort0 €
Sorted by revenue (latest report or 4 quarters).
Top 20 in activity: Passenger air transport
20
| # | Company | Revenue |
|---|---|---|
| 1 | Marabu Airlines OÜ | 216,2 m € |
| 2 | NyxAir OÜ | 13,9 m € |
| 3 | PANAVIATIC AS | 9,5 m € |
| 4 | DIAMOND SKY OÜ | 7,0 m € |
| 5 | Turkish Airlines Inc. Eesti filiaal | 5,5 m € |
| 6 | WILCO.aero OÜ | 1,8 m € |
| 7 | JET AIRSPACE OÜ | 1,4 m € |
| 8 | P.A. Marine and Aviation Services OÜ | 1,3 m € |
| 9 | X-1 Jets OÜ | 1,2 m € |
| 10 | SKYBUTCH OÜ | 718 k € |
| 11 | Air XPRS OÜ | 678 k € |
| 12 | JETAI OÜ | 607 k € |
| 13 | AeroCopter OÜ | 528 k € |
| 14 | Nord Aviation OÜ | 249 k € |
| 15 | Gowfly Aviation Training OÜ | 206 k € |
| 16 | SuperSky OÜ | 153 k € |
| 17 | Jetsy OÜ | 137 k € |
| 18 | Kotkas Consulting OÜ | 135 k € |
| 19 | ESTSKY INVEST OÜ | 131 k € |
| 20 | Nordic Jet OÜ | 122 k € |
Revenue from the latest annual report, otherwise Tax Board revenue for 4 quarters. All companies in this activity
Licences, pledges, domains
No data
History and notices
13
| Date | Type | Content |
|---|---|---|
| 30.09.2025 | Entry | Amendment entry |
| 08.02.2024 | Entry | Amendment entry |
| 05.12.2023 | Entry | Amendment entry |
| 27.11.2023 | Order to remedy deficiencies | Amendment entry |
| 02.09.2023 | Entry | Amendment entry |
| 05.01.2022 | Entry | Amendment entry |
| 28.07.2021 | Administrative order | |
| 19.01.2018 | Entry | Amendment entry |
| 05.12.2017 | Entry | Amendment entry |
| 07.08.2017 | Entry | Amendment entry |
| 31.08.2016 | Entry | Amendment entry |
| 09.02.2016 | Warning order on deletion from the register: annual report not filed | |
| 15.03.2013 | Entry | First entry |