The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12801 | Misfit | £ 52,650,253 | |
| 12802 | Misfortune | £ 188,798,028 | |
| 12803 | Mish Mash | £ 305,794,773 | |
| 12804 | Misinterpretation | £ 486,461 | |
| 12805 | Miss Bitch bombers | £ 4,512,007 | |
| 12806 | MissFubar PLC | £ 31,726,370 | |
| 12807 | missile command | £ 363,500,728 | |
| 12808 | Missiles Incorporated | £ 1,859,206 | |
| 12809 | missing a toe | £ 93,592,827 | |
| 12810 | Missing Out | £ 44,945,464 | |
| 12811 | Mission | £ 166,801,144 | |
| 12812 | Mission Survive | £ 114,950,288 | |
| 12813 | Missionary | £ 17,504,457 | |
| 12814 | Mississippi | £ 5,500,599 | |
| 12815 | Mississippi Burning | £ 47,665,328 | |
| 12816 | Mississippi Dreams | £ 269,344,047 | |
| 12817 | Mississippi Inc | £ 5,281,962 | |
| 12818 | MississippiMusic | £ 2,811,899 | |
| 12819 | MISSOURI | £ 1,148,314,366 | |
| 12820 | Missouri Belle | £ 80,036,805 | |
| 12821 | Missyxx | £ 50,000 | |
| 12822 | Mistake | £ 1,937,719,857 | |
| 12823 | Mistake Not | £ 4,245,817,468 | |
| 12824 | Mistaken Identity | £ 109,775,714 | |
| 12825 | mistaken yidentit | £ 20,847,058 | |
| 12826 | Mistakes | £ 24,462,673 | |
| 12827 | Mistakes were made | £ 50,588,399 | |
| 12828 | mister | £ 15,343,639 | |
| 12829 | Mister Mister | £ 25,037,060 | |
| 12830 | Mistree | £ 50,000 | |
| 12831 | Mitchell Ltd | £ -2,115,101 | |
| 12832 | Mitchell Ltd2 | £ -1,529,234 | |
| 12833 | Mitchell Ltd3 | £ 5,496,523 | |
| 12834 | Mitchell Ltd4 | £ 4,625,817 | |
| 12835 | Mithandir | £ 171,016,781 | |
| 12836 | Mitigating Circumstances | £ 162,513,039 | |
| 12837 | Mitres | £ 684,354,522 | |
| 12838 | Mizuko Holdings | £ 50,000 | |
| 12839 | MJHCo. | £ 81,836,520 | |
| 12840 | MJI | £ 5,141,163 | |
| 12841 | MJII | £ 1,514,759 | |
| 12842 | MJIII | £ 1,341,503 | |
| 12843 | MJIV | £ 334,370 | |
| 12844 | MJJ Incorporated | £ 1,023,622,671 | |
| 12845 | MJLee | £ 12,045,209 | |
| 12846 | MJM 2 | £ 50,000 | |
| 12847 | MJM Games | £ 921,860 | |
| 12848 | Mjolnir | £ 7,258,382,967 | |
| 12849 | MK II | £ -371,982 | |
| 12850 | MK Ultra | £ -17,913,353 | |
| 12851 | Mk11 | £ 160,429,613 | |
| 12852 | MKL | £ 4,926,291,030 | |
| 12853 | mkyumku | £ 1,322,486 | |
| 12854 | mlawenterprise | £ 206,267,702 | |
| 12855 | mlawenterprises | £ 74,433,740 | |
| 12856 | MLH Industries | £ 31,163,815 | |
| 12857 | MLM | £ 21,588,190,936 | |
| 12858 | MLM Group | £ 142,263,707 | |
| 12859 | MMI | £ 3,194,811 | |
| 12860 | MMI Holdings | £ 2,450,207 | |
| 12861 | MMI2 | £ 4,617,014 | |
| 12862 | MMI3 | £ 161,241 | |
| 12863 | mmmHHHMmm | £ 1,268,288 | |
| 12864 | MMMM CAKE | £ 11,700,419 | |
| 12865 | MMORPG | £ 386,202,529 | |
| 12866 | MMS | £ 728,736 | |
| 12867 | MN Painting | £ 69,865,838 | |
| 12868 | mnb | £ 5,869,704 | |
| 12869 | MNGA | £ -591,189 | |
| 12870 | Mo Alba | £ 497,470,179 | |
| 12871 | moarbkup | £ 5,508,731 | |
| 12872 | moarCarparks | £ 5,546,279 | |
| 12873 | MOASS | £ 10,968,075 | |
| 12874 | Mob Life Inc | £ 5,489,924 | |
| 12875 | Mob Mentality | £ 3,456,883 | |
| 12876 | Mobbin Service | £ 37,804,870 | |
| 12877 | Mochrum | £ 619,693,209 | |
| 12878 | Mockingbird Heights | £ 28,683,155 | |
| 12879 | Mod786 | £ 28,058,765 | |
| 12880 | Mod7866 | £ 5,631,868 | |
| 12881 | model | £ 126,900,274 | |
| 12882 | Model 1910 | £ 15,519,029 | |
| 12883 | Model in Black | £ 32,036,184 | |
| 12884 | model1 | £ 298,042,055 | |
| 12885 | Moderate Pharmaceuticals | £ 7,403,273 | |
| 12886 | Modern Chemistry | £ 50,000 | |
| 12887 | Modern Day Filth | £ 39,727,103 | |
| 12888 | modern homes and windows | £ 61,033,378 | |
| 12889 | Modus operandi | £ 267,378,770 | |
| 12890 | mog | £ 62,817,831 | |
| 12891 | MoguMogu | £ 50,000 | |
| 12892 | Mogwai | £ 2,491,305,975 | |
| 12893 | Mohawk | £ 5,884,779 | |
| 12894 | mohicans | £ 87,704,089 | |
| 12895 | MoIIy | £ 22,448,748 | |
| 12896 | MoIly | £ 15,318,712 | |
| 12897 | Mojacar | £ 141,096,958 | |
| 12898 | MojoMonies | £ -11,896,511 | |
| 12899 | molenstraat | £ 2,013,822 | |
| 12900 | Molko | £ 88,524,189 | |
