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Mustasaare Tarkvarabüroo Osaühing

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RegisteredHarju County
Registry code
10380334
VAT number
EE100230547
Address
Harju maakond, Tallinn, Kesklinna linnaosa, Tatari tn 64/1, 10134
Registered
12.02.1998 · 28 yrs
Activity
Muud infotehnoloogia- ja arvutialased tegevused 62901
Capital
6 430 €
Email
m•••@m•••.eeLog in to see
Phone
+372 •• ••••Log in to see
Website
https://mtb.ee
Business Register 08.10.2026
Sales revenue196 k €-3%2025 annual report
Profit54 331 €2025 annual report
Employees1Tax Board 2026 Q2
Average gross salary4 656 €estimate, Tax Board 2026 Q2
Labour taxes per quarter7 123 €Tax Board 2026 Q2
Cash33 511 €Cash 31.12.2025, annual report
Tax debt0 €Tax Board debtor list 07.10.2026
Revenue 12 months210 k €+0%Tax Board, last 4 quarters
State taxes 12 months75 156 €Tax Board, last 4 quarters
Tax debt since 26.09.2026 · ✓ no debt
Details ↓
Turnover by quarter · latest 65 509 €
53 k53 k57 k47 k46 k50 k49 k66 k
III 24IV 24I 25II 25III 25IV 25I 26II 26
Chart ↓
Firmo rating
AA
Very good, low risk
81 / 100 points
CBBBBBBAAAAAA
View credit reportReport a debtHow the rating is calculatedCalculated 08.10.2026 · open data
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
RatingA → AA → A → AA
In tax debt0 days since 26.09.2026
Revenue 12 months▲ 0% vs a year earlier
Email right away on tax debt, bankruptcy or board change
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Data

Board and owners

1 persons
Number of active companies, tax debt and bankruptcy. Facts, not an assessment.
Board 1
Priit Mustasaar4 companiesno tax debtPersonal ID ↗16.02.2006
Shareholders 1
Priit Mustasaar100,0% 6 430 €01.09.2023
Beneficial owners 1
Priit Mustasaar4 companiesno tax debtdirect holding20.10.2018

Business Register open data

Quarterly taxes and revenue

2026 Q2
State taxes / revenue21,9%
Labour taxes / revenue10,9%
Revenue per employee per month21 836 €
Gross salary (estimate)4 656 €
Net salary (estimate)3 655 €

2026 Q2. Wage is estimated from employment taxes.

Build report

QuarterRevenueChange y/yLabour taxesState taxesEmployees
2026 Q265 509 €▲ 39%7 123 €14 367 €1
2026 Q149 074 €▼ 14%7 691 €21 373 €1
2025 Q449 579 €▼ 6%7 415 €20 044 €1
2025 Q346 007 €▼ 12%7 415 €19 372 €1
2025 Q247 278 €▼ 8%7 415 €19 734 €1
2025 Q157 344 €▼ 44%8 958 €23 457 €1
2024 Q452 712 €▼ 1%6 859 €19 505 €1
2024 Q352 546 €▲ 22%7 704 €19 883 €1
2024 Q251 242 €▲ 32%8 058 €18 958 €1
2024 Q1103 305 €▲ 96%13 418 €36 952 €1
2023 Q453 356 €▲ 27%7 379 €19 145 €2
2023 Q343 050 €▼ 35%6 446 €15 608 €2
Show full history (18 quarters)
2023 Q238 757 €▼ 15%6 480 €12 735 €1
2023 Q152 717 €6 469 €17 992 €1
2022 Q441 872 €5 717 €13 875 €1
2022 Q366 446 €6 456 €18 174 €1
2022 Q245 752 €5 958 €14 911 €2
2022 Q1-6 472 €6 035 €9 932 €2

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
Build report

20252024202320222021
Sales revenue196 k €▼ 3%203 k €▼ 11%228 k €▲ 24%184 k €▲ 83%101 k €
Profit54 331 €▼ 4%56 411 €▼ 31%81 527 €▲ 31%62 242 €▲ into profit-2 100 €
Profit margin27,7%27,8%35,8%33,8%-2,1%
Retained earnings-39 112 €▼ 5%-37 323 €▲ 35%-57 351 €▲ 11%-64 272 €▼ 199%-21 472 €
Cash33 511 €▲ 9%30 671 €▼ 47%58 245 €▲ 157%22 691 €▼ 55%50 494 €
Current assets53 026 €▼ 10%59 185 €▼ 40%99 140 €▲ 42%69 605 €▲ 12%61 994 €
Fixed assets5 364 €▼ 38%8 626 €▼ 34%13 075 €▲ 44%9 100 €▼ 29%12 747 €
Assets58 390 €▼ 14%67 811 €▼ 40%112 k €▲ 43%78 705 €▲ 5%74 741 €
Current liabilities36 098 €▼ 13%41 650 €▼ 49%80 966 €▲ 10%73 662 €▼ 19%91 240 €
Total liabilities36 098 €▼ 13%41 650 €▼ 49%80 966 €▲ 10%73 662 €▼ 19%91 240 €
Equity22 292 €▼ 15%26 161 €▼ 16%31 249 €▲ 520%5 043 €▲ into profit-16 499 €
Labour costs-65 386 €▲ 5%-68 488 €0%-68 311 €▼ 38%-49 363 €▼ 7%-46 020 €
Employees20%20%20%2▼ 33%3
Filed26.06.202630.06.202530.06.202429.06.202329.06.2022
ReportPDF ↓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
ActivityEMTAKSales revenueOsa
Muud infotehnoloogia- ja arvutialased tegevused main activity62901195 948 €100%

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 07.10.2026

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

849 tuh € makseid · 1 tenders

Transactions with state institutions

2026162 k €
2025229 k €
2024216 k €
2023242 k €

Largest payers

Politsei- ja Piirivalveamet792 824 €
Eesti Lennuakadeemia56 074 €
All payments by month
MonthPayerTypeFieldAmount
08.2026Politsei- ja PiirivalveametOperating costsPolice21 499 €
08.2026Eesti LennuakadeemiaOperating costsTertiary education589 €
07.2026Politsei- ja PiirivalveametOperating costsPolice20 155 €
07.2026Eesti LennuakadeemiaOperating costsTertiary education589 €
06.2026Politsei- ja PiirivalveametOperating costsPolice19 879 €
06.2026Eesti LennuakadeemiaOperating costsTertiary education589 €
05.2026Politsei- ja PiirivalveametOperating costsPolice20 076 €
05.2026Eesti LennuakadeemiaOperating costsTertiary education1 689 €
04.2026Politsei- ja PiirivalveametOperating costsPolice15 988 €
04.2026Eesti LennuakadeemiaOperating costsTertiary education1 178 €
03.2026Politsei- ja PiirivalveametOperating costsPolice23 531 €
02.2026Politsei- ja PiirivalveametOperating costsPolice18 894 €
01.2026Politsei- ja PiirivalveametOperating costsPolice17 626 €
12.2025Politsei- ja PiirivalveametOperating costsPolice18 064 €
11.2025Politsei- ja PiirivalveametOperating costsPolice18 246 €
10.2025Politsei- ja PiirivalveametOperating costsPolice20 216 €
09.2025Politsei- ja PiirivalveametOperating costsPolice19 550 €
08.2025Politsei- ja PiirivalveametOperating costsPolice18 337 €
07.2025Politsei- ja PiirivalveametOperating costsPolice17 168 €
06.2025Politsei- ja PiirivalveametOperating costsPolice17 751 €
05.2025Politsei- ja PiirivalveametOperating costsPolice17 958 €
04.2025Politsei- ja PiirivalveametOperating costsPolice19 441 €
03.2025Politsei- ja PiirivalveametOperating costsPolice22 687 €
02.2025Politsei- ja PiirivalveametOperating costsPolice21 179 €
01.2025Politsei- ja PiirivalveametOperating costsPolice18 370 €
12.2024Politsei- ja PiirivalveametOperating costsPolice21 234 €
11.2024Politsei- ja PiirivalveametOperating costsPolice18 489 €
10.2024Politsei- ja PiirivalveametOperating costsPolice18 489 €
09.2024Politsei- ja PiirivalveametOperating costsPolice17 885 €
08.2024Politsei- ja PiirivalveametOperating costsPolice18 535 €
07.2024Politsei- ja PiirivalveametOperating costsPolice15 942 €
06.2024Politsei- ja PiirivalveametOperating costsPolice17 413 €
05.2024Politsei- ja PiirivalveametOperating costsPolice16 745 €
04.2024Politsei- ja PiirivalveametOperating costsPolice16 820 €
03.2024Politsei- ja PiirivalveametOperating costsPolice16 565 €
02.2024Politsei- ja PiirivalveametOperating costsPolice18 170 €
01.2024Politsei- ja PiirivalveametOperating costsPolice19 356 €
12.2023Eesti LennuakadeemiaFixed assetsTertiary education51 440 €
12.2023Politsei- ja PiirivalveametOperating costsPolice19 932 €
11.2023Politsei- ja PiirivalveametOperating costsPolice18 861 €
10.2023Politsei- ja PiirivalveametOperating costsPolice18 717 €
09.2023Politsei- ja PiirivalveametOperating costsPolice12 819 €
08.2023Politsei- ja PiirivalveametOperating costsPolice18 637 €
07.2023Politsei- ja PiirivalveametOperating costsPolice13 904 €
06.2023Politsei- ja PiirivalveametOperating costsPolice17 002 €
05.2023Politsei- ja PiirivalveametOperating costsPolice15 390 €
04.2023Politsei- ja PiirivalveametOperating costsPolice12 682 €
03.2023Politsei- ja PiirivalveametOperating costsPolice13 021 €
02.2023Politsei- ja PiirivalveametOperating costsPolice14 228 €
01.2023Politsei- ja PiirivalveametOperating costsPolice15 374 €

Riigi Tugiteenuste Keskus, Saldo makseandmikud

Public procurement contracts

DateContracting authorityTenderAmount
09.03.2026Politsei- ja Piirivalveamet20-2.11/229-6500 000 €

Public Procurement Register

Holdings in other companies

0

No holdings in other companies

Companies linked via the board

3
Cenedy Systems OÜPriit Mustasaar7 150 €AVoipMaster OÜPriit Mustasaar6 827 €AOsaühing Jurist-lingvistidPriit Mustasaar0 €BB

Sorted by revenue (latest report or 4 quarters).

Top 20 in activity: Muud infotehnoloogia- ja arvutialased tegevused

20
#CompanyRevenue
1Bolt Technology OÜ2,27 bn €
2Bolt Operations OÜ1,47 bn €
3Microsoft Development Center Estonia OÜ71,9 m €
4Kühne + Nagel IT Service Centre AS42,1 m €
5Messente Communications OÜ22,6 m €
6DataShift OÜ22,2 m €
7SK ID Solutions AS20,1 m €
8OÜ Qualitista16,3 m €
9carVertical OÜ15,6 m €
10Aktsiaselts Datel15,0 m €
11Security Software OÜ12,9 m €
12QuantumTec OÜ12,2 m €
13Crystal Future OÜ11,3 m €
14DataFox OÜ10,7 m €
15OÜ Crowdin10,2 m €
16Labotic OÜ9,3 m €
17GigaPlay OÜ8,6 m €
18Promise Baltics OÜ8,4 m €
19Network Tomorrow OÜ6,5 m €
20Studioworks OÜ6,1 m €

Mustasaare Tarkvarabüroo Osaühing: place 306 /1922

Similar size: Torti OÜ, Evil Widget OÜ, Redport OÜ, Daritech OÜ, rootfly OÜ, Hogisticus OÜ, Kidults OÜ, Pixeland OÜ, Hinnavaatlus osaühing, OÜ Revolist

Revenue from the latest annual report, otherwise Tax Board revenue for 4 quarters. All companies in this activity

Domains

1 records

Domains

DomainSource
mtb.eeBusiness Register

History and notices

12
DateTypeContent
01.09.2023EntryAmendment entry
04.01.2023EntryMuutmiskanne ÄS § 525 lg 2 alusel
06.10.2020EntryAmendment entry
16.01.2018EntryAmendment entry
07.11.2017EntryAmendment entry
31.08.2016EntryAmendment entry
22.12.2014EntryAmendment entry
31.10.2011EntryAmendment entry
12.09.2011Order to remedy deficienciesAmendment entry
03.12.2008Tegevusalade kustutamine registrikaardiltAmendment entry
16.02.2006EntryAmendment entry
25.09.2002Jaatav kandeotsusMitteavaldatav muutmiskanne