The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10601 | mistaken yidentit | £ 20,847,058 | |
| 10602 | Mistakes | £ 24,462,673 | |
| 10603 | mister | £ 15,343,639 | |
| 10604 | Mistree | £ 50,000 | |
| 10605 | Mitchell Ltd | £ -2,115,101 | |
| 10606 | Mitchell Ltd2 | £ -1,529,234 | |
| 10607 | Mitchell Ltd3 | £ 5,496,523 | |
| 10608 | Mitchell Ltd4 | £ 4,625,817 | |
| 10609 | Mitigating Circumstances | £ 162,513,039 | |
| 10610 | Mitres | £ 684,354,522 | |
| 10611 | mix | £ 11,825,750 | |
| 10612 | Mixture | £ 34,126,543 | |
| 10613 | Mizuko Holdings | £ 50,000 | |
| 10614 | MJHCo. | £ 81,836,520 | |
| 10615 | MJI | £ 5,141,163 | |
| 10616 | MJII | £ 1,514,759 | |
| 10617 | MJIII | £ 1,341,503 | |
| 10618 | MJIV | £ 334,370 | |
| 10619 | MJLee | £ 12,045,209 | |
| 10620 | MJM 2 | £ 50,000 | |
| 10621 | MJM Games | £ 921,860 | |
| 10622 | Mjolnir | £ 5,340,911,525 | |
| 10623 | MK II | £ -371,982 | |
| 10624 | MK Ultra | £ -17,913,353 | |
| 10625 | MKL | £ 3,182,122,075 | |
| 10626 | mkyumku | £ 1,322,486 | |
| 10627 | mlawenterprise | £ 206,267,702 | |
| 10628 | mlawenterprises | £ 74,433,740 | |
| 10629 | MLM Group | £ 85,259,170 | |
| 10630 | MMI | £ 3,194,811 | |
| 10631 | MMI Holdings | £ 2,450,207 | |
| 10632 | MMI2 | £ 4,617,014 | |
| 10633 | MMI3 | £ 161,241 | |
| 10634 | mmmHHHMmm | £ 1,268,288 | |
| 10635 | MMMM CAKE | £ 11,700,419 | |
| 10636 | MMORPG | £ 1,481,662 | |
| 10637 | MMS | £ 728,736 | |
| 10638 | MN Painting | £ 40,314,589 | |
| 10639 | mnb | £ 5,869,704 | |
| 10640 | Mnv | £ 69,523,625 | |
| 10641 | Mo Alba | £ 6,280,328 | |
| 10642 | MOAB | £ 50,000 | |
| 10643 | moarbkup | £ 5,508,731 | |
| 10644 | moarCarparks | £ 5,546,279 | |
| 10645 | Mob Life Inc | £ 5,489,924 | |
| 10646 | Mob Mentality | £ 3,456,883 | |
| 10647 | Mobbin Service | £ 37,804,870 | |
| 10648 | Mod786 | £ 28,058,765 | |
| 10649 | Mod7866 | £ 5,631,868 | |
| 10650 | Mode | £ 401,332,556 | |
| 10651 | model | £ 126,900,274 | |
| 10652 | Model 1910 | £ 15,519,029 | |
| 10653 | Model in Black | £ 32,036,184 | |
| 10654 | model1 | £ 298,042,055 | |
| 10655 | Moderate Pharmaceuticals | £ 7,403,273 | |
| 10656 | Modern Chemistry | £ 50,000 | |
| 10657 | Modern Day Filth | £ 39,727,103 | |
| 10658 | modern homes and windows | £ 7,559,098 | |
| 10659 | Modern Medicine | £ 486,633,158 | |
| 10660 | mog | £ 62,817,831 | |
| 10661 | MoguMogu | £ 50,000 | |
| 10662 | Mogwai | £ 2,156,784,134 | |
| 10663 | Mohawk | £ 5,884,779 | |
| 10664 | mohicans | £ 87,704,089 | |
| 10665 | MojoMonies | £ -11,896,511 | |
| 10666 | Mojon Inc | £ 2,533,275 | |
| 10667 | Moldy Bread | £ 3,146,415 | |
| 10668 | Mole | £ 2,572,348 | |
| 10669 | molenstraat | £ 2,013,822 | |
| 10670 | Molko | £ 88,524,189 | |
| 10671 | Molly | £ 58,389,036 | |
| 10672 | Molokozavod | £ 8,147,120 | |
| 10673 | Molotov | £ 4,672,705,578 | |
| 10674 | Moltisanti | £ 84,213,087 | |
| 10675 | Moltke Enterprises | £ 58,439,943 | |
| 10676 | mom | £ 79,970,851 | |
| 10677 | MomCorp | £ 1,768,330 | |
| 10678 | Moment | £ 50,000 | |
| 10679 | Moments | £ 13,838,455 | |
| 10680 | MommaJune | £ 5,871,123 | |
| 10681 | Mommy | £ 7,669,413 | |
| 10682 | MOMOO | £ 147,977 | |
| 10683 | Moms diner | £ 125,413 | |
| 10684 | Mon | £ 8,704,871 | |
| 10685 | Monaco | £ 43,667,263 | |
| 10686 | Monarchic | £ 27,179,904 | |
| 10687 | Monastery | £ 1,678,761 | |
| 10688 | Moncrot | £ 2,803,567 | |
| 10689 | Moncton | £ 252,860,791 | |
| 10690 | Monetary Policy | £ -1,515,538 | |
| 10691 | Money | £ 56,804,752 | |
| 10692 | Money Bags | £ 4,555,558 | |
| 10693 | Money Club | £ 3,724,557 | |
| 10694 | Money Inc. | £ 5,469,873 | |
| 10695 | Money Laundering | £ 261,958,225 | |
| 10696 | Money Lenders | £ 11,476,352 | |
| 10697 | Money Ltd | £ 4,615,437 | |
| 10698 | money mad | £ 3,798,586 | |
| 10699 | Money Maker | £ 5,061,369 | |
| 10700 | Money Mule | £ 893,799 | |
