Mainka Bau-Consult GmbH
DEP3313.HRB101234
Firmensitz
Darmer Esch 74
49811 Lingen
Niedersachsen
Deutschland
Kontakt
Geschäftsführung
Andreas Mainka
Managing Director
Seit 1. August 2006
Andreas Schmidt
Managing Director
Seit 28. Oktober 2025
André Volkmer
Managing Director
Seit 28. Oktober 2025
Karl Klee
Managing Director
Seit 28. Oktober 2025
Finanzen
| Jahr | Umsatz | Gewinn | Bilanzsumme | Eigenkapitalquote |
|---|---|---|---|---|
| 2024 | ~9.300.000 € | 159.423 € | 1.849.255 € | 21.3% |
| 2023 | ~8.400.000 € | 94.520 € | 1.254.203 € | 18.6% |
| 2022 | ~6.800.000 € | 59.342 € | 936.363 € | 14.9% |
| 2021 | ~7.100.000 € | 11.156 € | 2.781.971 € | 2.9% |
| 2020 | ~8.000.000 € | 7.342 € | 1.180.146 € | 43.9% |
Branche
NACE 71.12IngenieurbürosISIC 7110Architectural and engineering activities and related technical consultancyNAICS 541310Architectural, Engineering, and Related ServicesNAICS 541320Architectural, Engineering, and Related ServicesNAICS 541330Architectural, Engineering, and Related ServicesNAICS 541340Architectural, Engineering, and Related ServicesNAICS 541350Architectural, Engineering, and Related ServicesNAICS 541360Architectural, Engineering, and Related ServicesNAICS 541370Architectural, Engineering, and Related ServicesUKSIC 71.12Engineering activities and related technical consultancyNACE2025 71.12Tätigkeiten von Ingenieurbüros
Rohdaten
{
"id": "d5350a25-d9bb-45b7-a5db-12d5a0414122",
"euId": "DEP3313.HRB101234",
"name": "Mainka Bau-Consult GmbH",
"legalForm": "GmbH",
"status": "active",
"foundationDate": "2006-07-05T00:00:00",
"vatId": "DE117327462",
"hq": {
"line2": null,
"street": "Darmer Esch 74",
"city": "Lingen",
"zipCode": "49811",
"state": "NI",
"country": "DE",
"latitude": 52.48744989999999,
"longitude": 7.318802
},
"contactData": {
"emails": [
"info@mainka.com"
],
"phones": [
"+49 591800060"
],
"websites": [
"https://www.mainka-bau.de"
],
"faxes": [
"+49 59191200100"
]
},
"managers": [
{
"name": "Andreas Mainka",
"position": "Managing Director",
"startDate": "2006-08-01T00:00:00",
"endDate": null
},
{
"name": "Andreas Schmidt",
"position": "Managing Director",
"startDate": "2025-10-28T00:00:00",
"endDate": null
},
{
"name": "André Volkmer",
"position": "Managing Director",
"startDate": "2025-10-28T00:00:00",
"endDate": null
},
{
"name": "Karl Klee",
"position": "Managing Director",
"startDate": "2025-10-28T00:00:00",
"endDate": null
}
],
"industry": {
"isic": [
"7110"
],
"nace": [
"71.12"
],
"nace2025": [
"71.12"
],
"naics": [
"541310",
"541320",
"541330",
"541340",
"541350",
"541360",
"541370"
],
"uksic": [
"71.12"
],
"wz": []
},
"financials": [
{
"year": 2006,
"currency": "EUR",
"capital": 25000,
"capitalIsEstimate": false,
"balanceTotal": 317461.6,
"balanceTotalIsEstimate": false,
"earnings": 10676.38,
"earningsIsEstimate": false,
"earningsCagr": 0,
"earningsCagrIsEstimate": false,
"revenue": 3100000,
"revenueIsEstimate": true,
"revenueCagr": 0,
"revenueCagrIsEstimate": false,
"returnOnSales": 0.34439935483870965,
"returnOnSalesIsEstimate": true,
"equity": 35676.38,
"equityIsEstimate": false,
"equityRatio": 11.238014298422234,
"equityRatioIsEstimate": false,
"cash": 6496.55,
"cashIsEstimate": false,
"receivables": 310965.05,
"receivablesIsEstimate": false,
"liabilities": 165523.22,
"liabilitiesIsEstimate": false
},
{
"year": 2007,
"currency": "EUR",
"capital": 25000,
"capitalIsEstimate": false,
"balanceTotal": 435256.74,
"balanceTotalIsEstimate": false,
"earnings": 46033.8,
"earningsIsEstimate": false,
"earningsCagr": 331.1742369604679,
"earningsCagrIsEstimate": false,
"revenue": 3600000,
"revenueIsEstimate": true,
"revenueCagr": 16.129032258064523,
"revenueCagrIsEstimate": true,
"returnOnSales": 1.2787166666666667,
"returnOnSalesIsEstimate": true,
"equity": 81710.18,
"equityIsEstimate": false,
"equityRatio": 18.772869548211936,
"equityRatioIsEstimate": false,
"cash": 38918.61,
"cashIsEstimate": false,
"receivables": 386338.13,
"receivablesIsEstimate": false,
"liabilities": 166276.56,
"liabilitiesIsEstimate": false
},
{
"year": 2008,
"currency": "EUR",
"capital": 25000,
"capitalIsEstimate": false,
"balanceTotal": 499306.91,
"balanceTotalIsEstimate": false,
"earnings": 25539.88,
"earningsIsEstimate": false,
"earningsCagr": 54.666911981874875,
"earningsCagrIsEstimate": false,
"revenue": 4300000,
"revenueIsEstimate": true,
"revenueCagr": 17.775072667926995,
"revenueCagrIsEstimate": true,
"returnOnSales": 0.5939506976744187,
"returnOnSalesIsEstimate": true,
"equity": 107250.06,
"equityIsEstimate": false,
"equityRatio": 21.47978685093703,
"equityRatioIsEstimate": false,
"cash": 2135.54,
"cashIsEstimate": false,
"receivables": 487171.37,
"receivablesIsEstimate": false,
"liabilities": 208756.85,
"liabilitiesIsEstimate": false
},
{
"year": 2009,
"currency": "EUR",
"capital": 25000,
"capitalIsEstimate": false,
"balanceTotal": 596936.71,
"balanceTotalIsEstimate": false,
"earnings": 10673.01,
"earningsIsEstimate": false,
"earningsCagr": -0.010522775954735497,
"earningsCagrIsEstimate": false,
"revenue": 4800000,
"revenueIsEstimate": true,
"revenueCagr": 15.689296771395522,
"revenueCagrIsEstimate": true,
"returnOnSales": 0.22235437500000002,
"returnOnSalesIsEstimate": true,
"equity": 117923.07,
"equityIsEstimate": false,
"equityRatio": 19.754702303364795,
"equityRatioIsEstimate": false,
"cash": 1320.61,
"cashIsEstimate": false,
"receivables": 582790.33,
"receivablesIsEstimate": false,
"liabilities": 272837.64,
"liabilitiesIsEstimate": false
},
{
"year": 2010,
"currency": "EUR",
"capital": 25000,
"capitalIsEstimate": false,
"balanceTotal": 689495.84,
"balanceTotalIsEstimate": false,
"earnings": 36384.36,
"earningsIsEstimate": false,
"earningsCagr": 35.86971964006831,
"earningsCagrIsEstimate": false,
"revenue": 5400000,
"revenueIsEstimate": true,
"revenueCagr": 14.88359479021275,
"revenueCagrIsEstimate": true,
"returnOnSales": 0.6737844444444444,
"returnOnSalesIsEstimate": true,
"equity": 154307.43,
"equityIsEstimate": false,
"equityRatio": 22.37974778789093,
"equityRatioIsEstimate": false,
"cash": 3287.11,
"cashIsEstimate": false,
"receivables": 686208.73,
"receivablesIsEstimate": false,
"liabilities": 270250.41,
"liabilitiesIsEstimate": false
},
{
"year": 2011,
"currency": "EUR",
"capital": 25000,
"capitalIsEstimate": false,
"balanceTotal": 595612.08,
"balanceTotalIsEstimate": false,
"earnings": 50518.71,
"earningsIsEstimate": false,
"earningsCagr": 2.351416251323535,
"earningsCagrIsEstimate": false,
"revenue": 4900000,
"revenueIsEstimate": true,
"revenueCagr": 8.012344973464348,
"revenueCagrIsEstimate": true,
"returnOnSales": 1.030994081632653,
"returnOnSalesIsEstimate": true,
"equity": 204826.14,
"equityIsEstimate": false,
"equityRatio": 34.3891849876517,
"equityRatioIsEstimate": false,
"cash": 1520.39,
"cashIsEstimate": false,
"receivables": 594091.69,
"receivablesIsEstimate": false,
"liabilities": 174145.94,
"liabilitiesIsEstimate": false
},
{
"year": 2012,
"currency": "EUR",
"capital": 25000,
"capitalIsEstimate": false,
"balanceTotal": 651904.11,
"balanceTotalIsEstimate": false,
"earnings": 83755.27,
"earningsIsEstimate": false,
"earningsCagr": 34.57002176521697,
"earningsCagrIsEstimate": false,
"revenue": 5200000,
"revenueIsEstimate": true,
"revenueCagr": 4.865763218426777,
"revenueCagrIsEstimate": true,
"returnOnSales": 1.6106782692307693,
"returnOnSalesIsEstimate": true,
"equity": 288581.41,
"equityIsEstimate": false,
"equityRatio": 44.267462894197735,
"equityRatioIsEstimate": false,
"cash": 1258.23,
"cashIsEstimate": false,
"receivables": 650645.88,
"receivablesIsEstimate": false,
"liabilities": 170064.7,
"liabilitiesIsEstimate": false
},
{
"year": 2013,
"currency": "EUR",
"capital": 25000,
"capitalIsEstimate": false,
"balanceTotal": 799293.04,
"balanceTotalIsEstimate": false,
"earnings": 34557.43,
"earningsIsEstimate": false,
"earningsCagr": 34.14164571123774,
"earningsCagrIsEstimate": false,
"revenue": 6100000,
"revenueIsEstimate": true,
"revenueCagr": 6.1749706006893,
"revenueCagrIsEstimate": true,
"returnOnSales": 0.5665152459016393,
"returnOnSalesIsEstimate": true,
"equity": 323138.84,
"equityIsEstimate": false,
"equityRatio": 40.42808129544078,
"equityRatioIsEstimate": false,
"cash": 1635.05,
"cashIsEstimate": false,
"receivables": 797657.99,
"receivablesIsEstimate": false,
"liabilities": 298679.2,
"liabilitiesIsEstimate": false
},
{
"year": 2014,
"currency": "EUR",
"capital": 25000,
"capitalIsEstimate": false,
"balanceTotal": 730157.4,
"balanceTotalIsEstimate": false,
"earnings": 26160.04,
"earningsIsEstimate": false,
"earningsCagr": -7.916691276889765,
"earningsCagrIsEstimate": false,
"revenue": 5700000,
"revenueIsEstimate": true,
"revenueCagr": 1.360857032099072,
"revenueCagrIsEstimate": true,
"returnOnSales": 0.45894807017543865,
"returnOnSalesIsEstimate": true,
"equity": 349298.88,
"equityIsEstimate": false,
"equityRatio": 47.838846802073085,
"equityRatioIsEstimate": false,
"cash": 2715.43,
"cashIsEstimate": false,
"receivables": 727441.97,
"receivablesIsEstimate": false,
"liabilities": 198898.52,
"liabilitiesIsEstimate": false
},
{
"year": 2015,
"currency": "EUR",
"capital": 25000,
"capitalIsEstimate": false,
"balanceTotal": 771609.34,
"balanceTotalIsEstimate": false,
"earnings": 21590.75,
"earningsIsEstimate": false,
"earningsCagr": -19.145560821546994,
"earningsCagrIsEstimate": false,
"revenue": 5900000,
"revenueIsEstimate": true,
"revenueCagr": 4.7524002307250734,
"revenueCagrIsEstimate": true,
"returnOnSales": 0.3659449152542373,
"returnOnSalesIsEstimate": true,
"equity": 370889.63,
"equityIsEstimate": false,
"equityRatio": 48.06702184294452,
"equityRatioIsEstimate": false,
"cash": 3219.62,
"cashIsEstimate": false,
"receivables": 768389.72,
"receivablesIsEstimate": false,
"liabilities": 229419.71,
"liabilitiesIsEstimate": false
},
{
"year": 2016,
"currency": "EUR",
"capital": 25000,
"capitalIsEstimate": false,
"balanceTotal": 784244.35,
"balanceTotalIsEstimate": false,
"earnings": 13758.66,
"earningsIsEstimate": false,
"earningsCagr": -36.336428470685036,
"earningsCagrIsEstimate": false,
"revenue": 6000000,
"revenueIsEstimate": true,
"revenueCagr": 3.6422843755939738,
"revenueCagrIsEstimate": true,
"returnOnSales": 0.22931100000000001,
"returnOnSalesIsEstimate": true,
"equity": 384648.29,
"equityIsEstimate": false,
"equityRatio": 49.04699536566633,
"equityRatioIsEstimate": false,
"cash": 822.55,
"cashIsEstimate": false,
"receivables": 783421.8,
"receivablesIsEstimate": false,
"liabilities": 229696.06,
"liabilitiesIsEstimate": false
},
{
"year": 2017,
"currency": "EUR",
"capital": 25000,
"capitalIsEstimate": false,
"balanceTotal": 849064.02,
"balanceTotalIsEstimate": false,
"earnings": 15547.66,
"earningsIsEstimate": false,
"earningsCagr": -18.100566177698564,
"earningsCagrIsEstimate": false,
"revenue": 6400000,
"revenueIsEstimate": true,
"revenueCagr": 1.2074621489526205,
"revenueCagrIsEstimate": true,
"returnOnSales": 0.24293218749999998,
"returnOnSalesIsEstimate": true,
"equity": 400195.95,
"equityIsEstimate": false,
"equityRatio": 47.13377796882737,
"equityRatioIsEstimate": false,
"cash": 897.71,
"cashIsEstimate": false,
"receivables": 848166.31,
"receivablesIsEstimate": false,
"liabilities": 261201.07,
"liabilitiesIsEstimate": false
},
{
"year": 2018,
"currency": "EUR",
"capital": 25000,
"capitalIsEstimate": false,
"balanceTotal": 874516.42,
"balanceTotalIsEstimate": false,
"earnings": 51713.59,
"earningsIsEstimate": false,
"earningsCagr": 18.574573453862087,
"earningsCagrIsEstimate": false,
"revenue": 6500000,
"revenueIsEstimate": true,
"revenueCagr": 3.3378984623733787,
"revenueCagrIsEstimate": true,
"returnOnSales": 0.7955936923076923,
"returnOnSalesIsEstimate": true,
"equity": 451909.54,
"equityIsEstimate": false,
"equityRatio": 51.675363625533755,
"equityRatioIsEstimate": false,
"cash": 147.38,
"cashIsEstimate": false,
"receivables": 870449.42,
"receivablesIsEstimate": false,
"liabilities": 194146.28,
"liabilitiesIsEstimate": false
},
{
"year": 2019,
"currency": "EUR",
"capital": 25000,
"capitalIsEstimate": false,
"balanceTotal": 1078929.72,
"balanceTotalIsEstimate": false,
"earnings": 59391.59,
"earningsIsEstimate": false,
"earningsCagr": 28.784710444433227,
"earningsCagrIsEstimate": false,
"revenue": 7600000,
"revenueIsEstimate": true,
"revenueCagr": 6.534530227060542,
"revenueCagrIsEstimate": true,
"returnOnSales": 0.7814682894736842,
"returnOnSalesIsEstimate": true,
"equity": 511301.13,
"equityIsEstimate": false,
"equityRatio": 47.38966037565449,
"equityRatioIsEstimate": false,
"cash": 1683.07,
"cashIsEstimate": false,
"receivables": 1077246.65,
"receivablesIsEstimate": false,
"liabilities": 291461.89,
"liabilitiesIsEstimate": false
},
{
"year": 2020,
"currency": "EUR",
"capital": 25000,
"capitalIsEstimate": false,
"balanceTotal": 1180145.78,
"balanceTotalIsEstimate": false,
"earnings": 7341.52,
"earningsIsEstimate": false,
"earningsCagr": -14.532212429524948,
"earningsCagrIsEstimate": false,
"revenue": 8000000,
"revenueIsEstimate": true,
"revenueCagr": 7.456993182354199,
"revenueCagrIsEstimate": true,
"returnOnSales": 0.091769,
"returnOnSalesIsEstimate": true,
"equity": 518642.65,
"equityIsEstimate": false,
"equityRatio": 43.947337590784755,
"equityRatioIsEstimate": false,
"cash": 7282.83,
"cashIsEstimate": false,
"receivables": 1172862.95,
"receivablesIsEstimate": false,
"liabilities": 294166.13,
"liabilitiesIsEstimate": false
},
{
"year": 2021,
"currency": "EUR",
"capital": 25000,
"capitalIsEstimate": false,
"balanceTotal": 2781971.44,
"balanceTotalIsEstimate": false,
"earnings": 11155.78,
"earningsIsEstimate": false,
"earningsCagr": -7.96378995571615,
"earningsCagrIsEstimate": false,
"revenue": 7100000,
"revenueIsEstimate": true,
"revenueCagr": 2.628881005643091,
"revenueCagrIsEstimate": true,
"returnOnSales": 0.157123661971831,
"returnOnSalesIsEstimate": true,
"equity": 79798.43,
"equityIsEstimate": false,
"equityRatio": 2.8684129841390464,
"equityRatioIsEstimate": false,
"cash": 6321.24,
"cashIsEstimate": false,
"receivables": 742319.29,
"receivablesIsEstimate": false,
"liabilities": 2301073.01,
"liabilitiesIsEstimate": false
},
{
"year": 2022,
"currency": "EUR",
"capital": 25000,
"capitalIsEstimate": false,
"balanceTotal": 936362.53,
"balanceTotalIsEstimate": false,
"earnings": 59341.58,
"earningsIsEstimate": false,
"earningsCagr": 3.499584040011716,
"earningsCagrIsEstimate": false,
"revenue": 6800000,
"revenueIsEstimate": true,
"revenueCagr": 1.1343969138847276,
"revenueCagrIsEstimate": true,
"returnOnSales": 0.8726702941176471,
"returnOnSalesIsEstimate": true,
"equity": 139140.01,
"equityIsEstimate": false,
"equityRatio": 14.859630275893249,
"equityRatioIsEstimate": false,
"cash": 3889.59,
"cashIsEstimate": false,
"receivables": 923797.35,
"receivablesIsEstimate": false,
"liabilities": 357779.31,
"liabilitiesIsEstimate": false
},
{
"year": 2023,
"currency": "EUR",
"capital": 25000,
"capitalIsEstimate": false,
"balanceTotal": 1254202.85,
"balanceTotalIsEstimate": false,
"earnings": 94520.21,
"earningsIsEstimate": false,
"earningsCagr": 12.318147382728938,
"earningsCagrIsEstimate": false,
"revenue": 8400000,
"revenueIsEstimate": true,
"revenueCagr": 2.5336513577710162,
"revenueCagrIsEstimate": true,
"returnOnSales": 1.1252405952380953,
"returnOnSalesIsEstimate": true,
"equity": 233660.22,
"equityIsEstimate": false,
"equityRatio": 18.630177726035306,
"equityRatioIsEstimate": false,
"cash": 7264.74,
"cashIsEstimate": false,
"receivables": 1245218.11,
"receivablesIsEstimate": false,
"liabilities": 452198.7,
"liabilitiesIsEstimate": false
},
{
"year": 2024,
"currency": "EUR",
"capital": 25000,
"capitalIsEstimate": false,
"balanceTotal": 1849255.31,
"balanceTotalIsEstimate": false,
"earnings": 159423.41,
"earningsIsEstimate": false,
"earningsCagr": 115.8696199892122,
"earningsCagrIsEstimate": false,
"revenue": 9300000,
"revenueIsEstimate": true,
"revenueCagr": 3.8360694865898326,
"revenueCagrIsEstimate": true,
"returnOnSales": 1.7142302150537636,
"returnOnSalesIsEstimate": true,
"equity": 393083.63,
"equityIsEstimate": false,
"equityRatio": 21.256320199507766,
"equityRatioIsEstimate": false,
"cash": 466113.68,
"cashIsEstimate": false,
"receivables": 1376161.63,
"receivablesIsEstimate": false,
"liabilities": 664492.24,
"liabilitiesIsEstimate": false
}
]
}