| 1 | ComLine GmbH Value Added Distribution | €591.8M | -- | 69 |
| 2 | Audi Zentrum Flensburg Vertriebs GmbH | €127.9M | 377 | 69 |
| 3 | FFG Flensburger Fahrzeugbau Gesellschaft mbH | €93.9M | 500 | 69 |
| 4 | energy & development at uni flensburg | €85.8M | 750 | 60 |
| 5 | inwohn.de | €51.0M | 125 | 60 |
| 6 | Die Mürwiker GmbH | €44.7M | 549 | 69 |
| 7 | Optik Hallmann GmbH | €43.7M | -- | 69 |
| 8 | collana IT GmbH | €33.1M | 350 | 60 |
| 9 | lübke gruppe | €28.2M | 125 | 60 |
| 10 | r2p GmbH | €17.9M | 2 | 69 |
| 11 | Business and Finance Club Flensburg e.V. | €14.3M | 125 | 60 |
| 12 | ttp AG Steuerberatungsgesellschaft | €13.9M | 145 | 69 |
| 13 | Stadt Flensburg | €12.6M | 125 | 60 |
| 14 | WSTECH GmbH | €12.6M | 97 | 69 |
| 15 | rexim lebensmittel kg | €12.4M | 30 | 60 |
| 16 | dein247kiosk.de | €12.2M | 30 | 60 |
| 17 | freenet BUSINESS | €12.2M | 30 | 60 |
| 18 | Secop Group Holding GmbH | €10.6M | 2,021 | 69 |
| 19 | rtc technical solutions gmbh | €8.8M | 125 | 50 |
| 20 | DDDental | €7.3M | 30 | 50 |
| 21 | Tri Dent Dentallabor GmbH | €7.3M | 30 | 50 |
| 22 | CausaConcilio Rechtsanwälte und Notare | €6.3M | 125 | 50 |
| 23 | hpo Hansen | Lehmann | Steffen | Vach Steuerberatungsgesellschaft in Partnerschaft mbB | €6.3M | 30 | 50 |
| 24 | Fachschule für Seefahrt | €5.9M | 30 | 50 |
| 25 | Ehler Ermer & Partner | €4.6M | 125 | 50 |
| 26 | bb gesellschaft für beruf + bildung mbh | €4.1M | 350 | 50 |
| 27 | it-kontor gmbh | €3.9M | 30 | 50 |
| 28 | kgu group | €3.9M | 30 | 50 |
| 29 | Simonsen Group GmbH | €3.4M | 30 | 50 |
| 30 | CANOFF - Campus Nord für Frankreich und Frankophonie | €3.4M | 30 | 50 |
| 31 | White & Case Insolvenz GbR Insolvenzverwaltung | €3.4M | 125 | 50 |
| 32 | Bog & idé Sønderborg | €2.0M | 5 | 50 |
| 33 | bäckerei hansen mürwik | €2.0M | 5 | 50 |
| 34 | 4change | €1.8M | 5 | 50 |
| 35 | Gesundheits- & Pflegezentrum am Katharinenhof Krankenpflege | €1.6M | 30 | 50 |
| 36 | HOECK SCHLÜTER VAAGT | €1.5M | 30 | 50 |
| 37 | a1 online partners | €1.1M | 5 | 50 |
| 38 | softstack (formerly Chainsulting) | €908K | 30 | 40 |
| 39 | Netpris.dk | €908K | 30 | 40 |
| 40 | Responsive Media GmbH | €908K | 30 | 40 |
| 41 | Closed Cavity GmbH | €851K | 5 | 40 |
| 42 | avior dev | €845K | 30 | 40 |
| 43 | fusspflege und massagen | €834K | 5 | 40 |
| 44 | visuellverstehen | €649K | 30 | 40 |
| 45 | Texte und Ghostwriting Flensburg | €627K | 5 | 40 |
| 46 | Book-, Paper- & Textcreation | €627K | 5 | 40 |
| 47 | Komparsenfischer GmbH | €627K | 5 | 40 |
| 48 | hr & personnel management | €572K | 5 | 40 |
| 49 | Lecturing and Research | €572K | 5 | 40 |
| 50 | Esportionary | €572K | 5 | 40 |
| 51 | OURZ | Truth in foods | €473K | 5 | 40 |
| 52 | Codin IT GmbH & Co. KG | €473K | 5 | 40 |
| 53 | FootMILL | €473K | 5 | 40 |
| 54 | PerSonar.de | €429K | 5 | 40 |
| 55 | ROCK YOUR LIFE! Flensburg e.V. | €355K | 30 | 40 |
| 56 | VentureWærft | €355K | 30 | 40 |
| 57 | softstack ⧉ (formerly chainsulting) | €241K | 30 | 40 |
| 58 | tysk-dansk virksomhedskonsulent & bogholder | €183K | 5 | 40 |
| 59 | Künstlerkartell GmbH - Businessfotos-& Videos | €151K | 5 | 40 |
| 60 | nü by staff-woman Store | €136K | 5 | 40 |
| 61 | Business Unique Consulting UG | €136K | 5 | 40 |
| 62 | Dr. Armin Schütz GeneralSekr. Angelica | €136K | 5 | 40 |
| 63 | Babel Friseur + Filiale صالون حلاقة بابل \/ فلنسبورغ | €136K | 5 | 40 |
| 64 | SIGNOS Gruppe Hamburg & Flensburg | €136K | 5 | 40 |
| 65 | Falke Marketing Consulting | €108K | 5 | 40 |
| 66 | MoinMoin24.com - Amazon Agentur | €108K | 5 | 40 |
| 67 | birte schmidt | €92K | 5 | 30 |
| 68 | jürgensen, brink & wölffel ms "eider" | €53K | 5 | 30 |
| 69 | Kontor für Kostbarkeiten und Kokolores | €47K | 5 | 30 |
| 70 | writing & books | €47K | 5 | 30 |
| 71 | Rotaract Club Flensburg | €45K | 5 | 30 |
| 72 | Raumsystem Herbert Christensen GmbH Messebau | €40K | 5 | 30 |
| 73 | fjord-e-design | €40K | 5 | 30 |