ETENRU

Aktsiaselts Maardu Elamu

RegisteredHarju County
Registry code
10092428
VAT number
EE100065796
Address
Harju maakond, Maardu linn, Karjääri tn 7, 74116
Registered
21.10.1996 · 29 yrs
Activity
Landscape service activities 81301
Additional activities
Rental and operating of own or leased real estate
Capital
75 565 €
Email
m•••@m•••.eeLog in to see
Phone
+372 •• ••••Log in to see
Website
www.melamu.ee from email
Business Register 08.10.2026
Sales revenue1,9 m €-5%2025 annual report
Profit23 728 €2025 annual report
Employees5Tax Board 2026 Q2
Average gross salary2 186 €estimate, Tax Board 2026 Q2
Labour taxes per quarter16 725 €Tax Board 2026 Q2
Cash198 k €Cash 31.12.2025, annual report
Tax debt0 €Tax Board debtor list 08.10.2026
Revenue 12 months1,9 m €+2%Tax Board, last 4 quarters
State taxes 12 months68 683 €Tax Board, last 4 quarters
Tax debt since 26.09.2026 · ✓ no debt
Details ↓
Turnover by quarter · latest 496 tuh €
336 k470 k621 k414 k339 k412 k624 k496 k
III 24IV 24I 25II 25III 25IV 25I 26II 26
Chart ↓
Firmo rating
AA
Very good, low risk
86 / 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
RatingAA since 26.09.2026
In tax debt0 days since 26.09.2026
Revenue 12 months▲ 2% vs a year earlier
Email right away on tax debt, bankruptcy or board change
Add the rating badge to your website

The badge code is available to this company's verified account: verification uses a code we send to the company email in the Business Register. The badge updates itself and cannot be bought. Read more

Data

Board and owners

2 persons
Number of active companies, tax debt and bankruptcy. Facts, not an assessment.
Board 1
Jelena Pavlova7 companiesno tax debtPersonal ID ↗15.09.2021
Other persons 1
Nasdaq CSD SE1983 companies138 with tax debt40 bankruptShare register keeperPersonal ID ↗28.09.2017
Beneficial owners 5
Ants Orav3 companiesno tax debtÕigus nimetada või tagasi kutsuda enamikku tegevjuhtkonnast või kõrgema juhtorga20.03.2026
Aurika Sin2 companiesno tax debtÕigus nimetada või tagasi kutsuda enamikku tegevjuhtkonnast või kõrgema juhtorga27.12.2021
Hille IlvesÕigus nimetada või tagasi kutsuda enamikku tegevjuhtkonnast või kõrgema juhtorga20.03.2026
Olga JevdokimovaÕigus nimetada või tagasi kutsuda enamikku tegevjuhtkonnast või kõrgema juhtorga20.03.2026
Tatjana Kondrašova1 companyno tax debtÕigus nimetada või tagasi kutsuda enamikku tegevjuhtkonnast või kõrgema juhtorga20.03.2026

Business Register open data

Quarterly taxes and revenue

2026 Q2
State taxes / revenue4,1%
Labour taxes / revenue3,4%
Revenue per employee per month33 071 €
Gross salary (estimate)2 186 €
Net salary (estimate)1 798 €

2026 Q2. Wage is estimated from employment taxes.

Build report

QuarterRevenueChange y/yLabour taxesState taxesEmployees
2026 Q2496 066 €▲ 20%16 725 €20 301 €5
2026 Q1624 455 €▲ 1%14 404 €19 859 €5
2025 Q4411 532 €▼ 12%11 434 €14 347 €3
2025 Q3338 631 €▲ 1%12 654 €14 176 €3
2025 Q2413 889 €▼ 12%14 038 €16 183 €3
2025 Q1620 991 €▼ 2%11 660 €16 427 €3
2024 Q4470 149 €▲ 6%9 701 €12 573 €2
2024 Q3335 501 €▲ 9%13 959 €15 605 €3
2024 Q2470 039 €▲ 6%19 263 €22 482 €2
2024 Q1635 041 €▲ 15%12 580 €17 383 €4
2023 Q4443 682 €▲ 19%11 082 €16 431 €3
2023 Q3307 840 €▲ 4%13 493 €13 187 €3
Show full history (18 quarters)
2023 Q2444 458 €▲ 16%13 892 €18 157 €4
2023 Q1550 752 €▲ 20%14 251 €19 775 €5
2022 Q4372 566 €10 628 €15 608 €5
2022 Q3297 272 €13 558 €17 548 €5
2022 Q2382 262 €11 787 €16 639 €4
2022 Q1458 603 €15 407 €20 878 €4

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 revenue1,9 m €▼ 5%2,0 m €▲ 1%2,0 m €▲ 17%1,7 m €▲ 16%1,5 m €
Profit23 728 €▼ 59%58 587 €▼ 69%189 k €▲ 130×1 453 €▲ into profit-62 916 €
Profit margin1,3%2,9%9,6%0,1%-4,3%
Retained earnings840 k €▲ 7%781 k €▲ 30%599 k €0%599 k €▼ 10%662 k €
Cash198 k €▲ 24%160 k €▲ 149%64 214 €▲ 55%41 392 €▼ 18%50 259 €
Current assets474 k €▲ 11%429 k €▲ 29%333 k €▲ 32%252 k €▲ 6%237 k €
Fixed assets2,6 m €▼ 1%2,7 m €▼ 2%2,7 m €▲ 6%2,5 m €0%2,5 m €
Assets3,1 m €▲ 1%3,1 m €▲ 2%3,0 m €▲ 9%2,8 m €▲ 1%2,8 m €
Current liabilities270 k €▲ 1%267 k €▼ 3%276 k €▲ 26%220 k €▲ 10%201 k €
Total liabilities270 k €▲ 1%267 k €▼ 3%276 k €▲ 26%220 k €▲ 10%201 k €
Equity2,8 m €▲ 1%2,8 m €▲ 2%2,8 m €▲ 7%2,6 m €0%2,6 m €
Labour costs-123 k €▲ 6%-130 k €▼ 9%-119 k €▲ 3%-123 k €▲ 7%-133 k €
Employees30%30%30%30%3
Filed12.06.202605.06.202503.06.202414.06.202329.06.2022
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
Landscape service activities main activity813011 565 230 €83%
Rental and operating of own or leased real estate68201331 239 €17%

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 08.10.2026

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

7,7 mln € makseid · 1 tenders

Transactions with state institutions

20261,5 m €
20251,9 m €
20242,1 m €
20232,2 m €

Largest payers

Maardu Linnavalitsus7 719 612 €
OÜ Kroodi Vesi11 628 €
OÜ Maardu Teenused4 726 €
OÜ Maardu Linnavarahooldus3 727 €
SA Maardu Teenused2 317 €
All payments by month
MonthPayerTypeFieldAmount
08.2026Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele132 693 €
08.2026OÜ Maardu LinnavarahooldusOperating costsOther housing and communal services418 €
08.2026OÜ Maardu TeenusedOperating costsSchool meals206 €
07.2026Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele134 849 €
07.2026OÜ Maardu LinnavarahooldusOperating costsOther housing and communal services408 €
07.2026OÜ Maardu TeenusedOperating costsSchool meals215 €
06.2026Maardu LinnavalitsusOperating costsCommunications134 892 €
06.2026OÜ Maardu LinnavarahooldusOperating costsOther housing and communal services422 €
06.2026OÜ Maardu TeenusedOperating costsSchool meals222 €
05.2026Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele170 853 €
05.2026OÜ Maardu LinnavarahooldusOperating costsOther housing and communal services455 €
05.2026OÜ Maardu TeenusedOperating costsSchool meals239 €
04.2026Maardu LinnavalitsusOperating costsStreet lighting234 690 €
04.2026OÜ Maardu LinnavarahooldusOperating costsOther housing and communal services468 €
04.2026OÜ Maardu TeenusedOperating costsSchool meals245 €
04.2026OÜ Kroodi VesiOperating costsWater supply215 €
03.2026Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele234 834 €
03.2026OÜ Maardu LinnavarahooldusOperating costsOther housing and communal services516 €
03.2026OÜ Kroodi VesiOperating costsWater supply494 €
03.2026OÜ Maardu TeenusedOperating costsSchool meals270 €
02.2026Maardu LinnavalitsusOperating costsCleaning of public areas234 920 €
02.2026OÜ Maardu LinnavarahooldusOperating costsOther housing and communal services572 €
02.2026OÜ Kroodi VesiOperating costsWater supply551 €
02.2026OÜ Maardu TeenusedOperating costsSchool meals298 €
01.2026Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele234 475 €
01.2026OÜ Maardu LinnavarahooldusOperating costsOther housing and communal services469 €
01.2026OÜ Kroodi VesiOperating costsWater supply447 €
01.2026OÜ Maardu TeenusedOperating costsSchool meals246 €
12.2025Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele232 499 €
12.2025OÜ Kroodi VesiOperating costsWater supply439 €
12.2025OÜ Maardu TeenusedOperating costsSchool meals242 €
11.2025Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele95 703 €
11.2025OÜ Kroodi VesiOperating costsWater supply427 €
11.2025OÜ Maardu TeenusedOperating costsSchool meals236 €
10.2025Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele118 579 €
10.2025OÜ Kroodi VesiOperating costsWater supply387 €
10.2025OÜ Maardu TeenusedOperating costsSchool meals216 €
09.2025Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele118 912 €
09.2025OÜ Kroodi VesiOperating costsWater supply384 €
09.2025OÜ Maardu TeenusedOperating costsSchool meals215 €
08.2025Maardu LinnavalitsusOperating costsCleaning of public areas118 646 €
08.2025OÜ Kroodi VesiOperating costsWater supply380 €
08.2025OÜ Maardu TeenusedOperating costsSchool meals213 €
07.2025Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele118 699 €
07.2025OÜ Kroodi VesiOperating costsWater supply374 €
07.2025OÜ Maardu TeenusedOperating costsSchool meals210 €
06.2025Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele118 773 €
06.2025OÜ Kroodi VesiOperating costsWater supply389 €
06.2025OÜ Maardu TeenusedOperating costsSchool meals217 €
05.2025Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele89 990 €
05.2025OÜ Kroodi VesiOperating costsWater supply413 €
05.2025OÜ Maardu TeenusedOperating costsSchool meals236 €
04.2025Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele232 423 €
04.2025OÜ Kroodi VesiOperating costsWater supply436 €
04.2025OÜ Maardu TeenusedOperating costsSchool meals241 €
03.2025Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele232 494 €
03.2025OÜ Kroodi VesiOperating costsWater supply461 €
03.2025OÜ Maardu TeenusedOperating costsSchool meals253 €
02.2025Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele232 544 €
02.2025OÜ Kroodi VesiOperating costsWater supply462 €
02.2025OÜ Maardu TeenusedOperating costsSchool meals254 €
01.2025Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele232 432 €
01.2025OÜ Kroodi VesiOperating costsWater supply435 €
12.2024Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele232 384 €
12.2024OÜ Kroodi VesiOperating costsWater supply421 €
12.2024OÜ Maardu TeenusedOperating costsSchool meals250 €
11.2024Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele166 771 €
11.2024OÜ Kroodi VesiOperating costsWater supply406 €
10.2024Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele118 723 €
10.2024OÜ Kroodi VesiOperating costsWater supply370 €
09.2024Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele118 735 €
09.2024OÜ Kroodi VesiOperating costsWater supply368 €
08.2024Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele118 654 €
08.2024OÜ Kroodi VesiOperating costsWater supply371 €
07.2024Maardu LinnavalitsusOperating costsEluasemeteenused sotsiaalsetele riskirühmadele118 701 €
07.2024OÜ Kroodi VesiOperating costsWater supply368 €
06.2024Maardu LinnavalitsusOperating costsCleaning of public areas198 793 €
06.2024OÜ Kroodi VesiOperating costsWater supply380 €
06.2024SA Maardu TeenusedOperating costsSchool meals114 €
05.2024Maardu LinnavalitsusOperating costsCleaning of public areas215 551 €
05.2024OÜ Kroodi VesiOperating costsWater supply413 €
05.2024SA Maardu TeenusedOperating costsSchool meals124 €
04.2024Maardu LinnavalitsusOperating costsCleaning of public areas390 023 €
04.2024OÜ Kroodi VesiOperating costsWater supply431 €
04.2024SA Maardu TeenusedOperating costsSchool meals129 €
03.2024Maardu LinnavalitsusOperating costsYouth work and youth centres3 041 €
03.2024OÜ Kroodi VesiOperating costsWater supply449 €
03.2024SA Maardu TeenusedOperating costsSchool meals135 €
02.2024Maardu LinnavalitsusOperating costsCleaning of public areas222 713 €
02.2024OÜ Kroodi VesiOperating costsWater supply484 €
02.2024SA Maardu TeenusedOperating costsSchool meals145 €
01.2024Maardu LinnavalitsusOperating costsVarjupaigateenus184 189 €
01.2024OÜ Kroodi VesiOperating costsWater supply476 €
01.2024SA Maardu TeenusedOperating costsSchool meals143 €
12.2023Maardu LinnavalitsusOperating costsVarjupaigateenus234 139 €
12.2023SA Maardu TeenusedOperating costsSchool meals136 €
11.2023Maardu LinnavalitsusOperating costsWaste management162 578 €
11.2023SA Maardu TeenusedOperating costsSchool meals127 €
10.2023Maardu LinnavalitsusOperating costsCleaning of public areas118 061 €
10.2023SA Maardu TeenusedOperating costsSchool meals229 €
09.2023Maardu LinnavalitsusOperating costsCleaning of public areas116 640 €
08.2023Maardu LinnavalitsusOperating costsVarjupaigateenus117 996 €
08.2023SA Maardu TeenusedOperating costsSchool meals113 €
07.2023Maardu LinnavalitsusOperating costsStreet lighting116 640 €
07.2023Maardu LinnavalitsusMuud toetusedOther housing and communal services60 000 €
07.2023SA Maardu TeenusedOperating costsSchool meals117 €
06.2023Maardu LinnavalitsusOperating costsOther housing and communal services118 145 €
06.2023SA Maardu TeenusedOperating costsSchool meals118 €
05.2023Maardu LinnavalitsusOperating costsRecreation parks and bases162 689 €
05.2023Maardu LinnavalitsusMuud toetusedEluasemeteenused sotsiaalsetele riskirühmadele26 760 €
05.2023SA Maardu TeenusedOperating costsSchool meals126 €
04.2023Maardu LinnavalitsusOperating costsBioloogilise mitmekesisuse ja maastiku kaitse234 256 €
04.2023SA Maardu TeenusedOperating costsSchool meals139 €
03.2023Maardu LinnavalitsusOperating costsBioloogilise mitmekesisuse ja maastiku kaitse234 284 €
03.2023SA Maardu TeenusedOperating costsSchool meals137 €
02.2023Maardu LinnavalitsusOperating costsCleaning of public areas223 333 €
02.2023Maardu LinnavalitsusMuud toetusedOther social protection, incl. administration67 120 €
02.2023SA Maardu TeenusedOperating costsSchool meals140 €
01.2023Maardu LinnavalitsusOperating costsCleaning of public areas184 792 €
01.2023SA Maardu TeenusedOperating costsSchool meals142 €

Riigi Tugiteenuste Keskus, Saldo makseandmikud

Public procurement contracts

DateContracting authorityTenderAmount
23.09.2025Maardu LinnavalitsusKliendileping (05)51 700 €

Public Procurement Register

Holdings in other companies

1
CompanyCodeHoldingSinceRevenue
OÜ Maardu Linnavarahooldus11896844100,0%02.09.20231,8 m €

Business Register

Companies linked via the board

60
AS AlexelaNasdaq CSD SE555,0 m €BBEricsson Eesti AktsiaseltsNasdaq CSD SE416,6 m €AAAS SEB PankNasdaq CSD SE405,8 m €AAAktsiaselts METAPRINTNasdaq CSD SE85,8 m €AAAAS HANZA Mechanics TartuNasdaq CSD SE81,5 m €AAAERGO Insurance SENasdaq CSD SE80,6 m €AAAElke Tallinn ASNasdaq CSD SE62,0 m €AAAaktsiaselts ESTIKO - PLASTARNasdaq CSD SE48,2 m €AAAStockmann AktsiaseltsNasdaq CSD SE42,3 m €AAaktsiaselts PINUSNasdaq CSD SE29,6 m €AAAAktsiaselts BalbiinoNasdaq CSD SE29,5 m €AAAAktsiaselts Magnum VeterinaariaNasdaq CSD SE28,6 m €BBAktsiaselts KROONINGNasdaq CSD SE27,1 m €BInterchemie Werken De Adelaar Eesti aktsiaseltsNasdaq CSD SE25,5 m €BBBSchneider Electric Eesti ASNasdaq CSD SE24,9 m €BAktsiaselts TopautoNasdaq CSD SE21,6 m €AAAktsiaselts Lincona KonsultNasdaq CSD SE19,2 m €AAAAS All Media EestiNasdaq CSD SE17,2 m €AAAktsiaselts PAFERNasdaq CSD SE15,1 m €AAABaltyre Eesti ASNasdaq CSD SE14,8 m €AAAaktsiaselts PristisNasdaq CSD SE13,5 m €AAAAktsiaselts Viru ElektrikaubandusNasdaq CSD SE10,6 m €AAAktsiaselts STANDARDNasdaq CSD SE10,6 m €AAS Eesti LeivatööstusNasdaq CSD SE10,3 m €Aaktsiaselts LTTNasdaq CSD SE10,2 m €AAAMotoral Eesti AktsiaseltsNasdaq CSD SE8,6 m €AAktsiaselts Silmani ElekterNasdaq CSD SE8,0 m €Aaktsiaselts HALS TRADING - TNasdaq CSD SE6,8 m €Aaktsiaselts "Rauameister"Nasdaq CSD SE6,8 m €AAAktsiaselts "Erimell"Nasdaq CSD SE6,4 m €AAAAktsiaselts Taastusravikeskus ViikingNasdaq CSD SE5,8 m €AAAAktsiaselts Loo ElekterNasdaq CSD SE5,5 m €AAAaktsiaselts IKODORNasdaq CSD SE4,9 m €AAAktsiaselts ANTAARESNasdaq CSD SE4,7 m €AACaverion Eesti ASNasdaq CSD SE4,6 m €AAktsiaselts Kiviõli KaubahoovNasdaq CSD SE4,4 m €AAAktsiaselts Metsaküla PiimNasdaq CSD SE3,9 m €AAAaktsiaselts VÕRU VESINasdaq CSD SE3,4 m €AAAaktsiaselts TAUF-AUTONasdaq CSD SE2,9 m €AAAaktsiaselts CISTANasdaq CSD SE2,6 m €AAAPRIMULATOR EESTI AktsiaseltsNasdaq CSD SE2,2 m €AAARTT AktsiaseltsNasdaq CSD SE2,1 m €AAAAS Remedium Kalamaja ApteekNasdaq CSD SE1,7 m €AAaktsiaselts ESTIKONasdaq CSD SE1,6 m €AAAAktsiaselts Ekspress GruppNasdaq CSD SE1,4 m €AALEKON PROPERTY ASNasdaq CSD SE1,2 m €AAAAktsiaselts FotoluksNasdaq CSD SE1,1 m €BBBAktsiaselts LAVEXNasdaq CSD SE692 k €CAktsiaselts Peipsi KalameesNasdaq CSD SE498 k €AAAktsiaselts MihkliNasdaq CSD SE475 k €AAAS Tolaram InvestmentsNasdaq CSD SE380 k €AAAktsiaselts Projekt ENasdaq CSD SE198 k €AAAktsiaselts YearNasdaq CSD SE132 k €CRaisio Eesti AktsiaseltsNasdaq CSD SE120 k €ADeden-Invest AktsiaseltsNasdaq CSD SE51 638 €AKatus ASNasdaq CSD SE13 588 €Aaktsiaselts FaabulaNasdaq CSD SE0 €BBBAktsiaselts TalveaedNasdaq CSD SE · Likvideerimisel0 €CAktsiaselts SpratfilNasdaq CSD SE · Bankrupt0 €CAktsiaselts RoolidNasdaq CSD SE0 €

Sorted by revenue (latest report or 4 quarters).

Top 20 in activity: Landscape service activities

20

Pandid, domeenid

2 records

Commercial pledges

NumberPandipidajaAmountSince
2aktsiaselts Hansapank1 000 000 €17.08.2000

Domains

DomainSource
melamu.eeemail

History and notices

21
DateTypeContent
14.09.2026Order to remedy deficiencies to correct non-entry data
04.04.2022EntryAmendment entry
15.09.2021EntryAmendment entry
16.01.2018EntryAmendment entry
14.12.2017EntryAmendment entry
28.09.2017EntryAmendment entry
04.07.2017Order to remedy deficienciesAmendment entry
05.07.2016Order to remedy deficiencies to correct non-entry dataAmendment entry
12.05.2014EntryAmendment entry
14.04.2014Order to remedy deficienciesAmendment entry
18.09.2012EntryAmendment entry
31.08.2012Order to remedy deficienciesAmendment entry
23.01.2012EntryAmendment entry
07.12.2011Negative entry order: deficiencies not remediedAmendment entry
19.05.2011EntryAmendment entry
03.12.2008Tegevusalade kustutamine registrikaardiltAmendment entry
21.12.2006EntryAmendment entry
18.07.2006EntryAmendment entry
14.10.2004Jaatav kandeotsusAmendment entry
29.05.2003Kandeotsus ex officioMärkus
02.09.2002Jaatav kandeotsusMitteavaldatav muutmiskanne