The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10501 | Mario Bros. Plumbing | £ 21,346,748 | |
| 10502 | Marissa | £ 1,378,328,809 | |
| 10503 | Marissa 2 | £ 524,757,169 | |
| 10504 | Marissa 3 | £ 667,967,397 | |
| 10505 | Marissa 4 | £ 312,726,823 | |
| 10506 | Marissa 5 | £ 238,611,098 | |
| 10507 | Marissa 6 | £ 495,989,312 | |
| 10508 | Marissa 7 | £ 407,172,119 | |
| 10509 | Marissa 8 | £ 425,196,899 | |
| 10510 | Marissa 9 | £ 548,552,830 | |
| 10511 | Marissa Love | £ 220,710,374 | |
| 10512 | Maritime Fish Factory | £ 2,719,055 | |
| 10513 | Mark Chapman | £ 54,086,382 | |
| 10514 | Mark Co | £ 529,484 | |
| 10515 | Market Spike | £ 1,374,802 | |
| 10516 | MarketLiquidity | £ 10,169,358 | |
| 10517 | Marley | £ 5,014,024 | |
| 10518 | Marlin inc | £ 1,915,058 | |
| 10519 | Marmara | £ 1,010,339,022 | |
| 10520 | Marraqueta | £ 138,405,177 | |
| 10521 | Marriages | £ 225,537,792 | |
| 10522 | Marrissasempire | £ 1,227,037 | |
| 10523 | Marrying The Mafia | £ 532,818 | |
| 10524 | Mars | £ 55,103,707 | |
| 10525 | Mars bars LTD | £ 117,272,299 | |
| 10526 | Mars Colony | £ 593,256 | |
| 10527 | Mars Rover | £ 10,459,384 | |
| 10528 | Mars wont find me | £ 246,116 | |
| 10529 | Marshmallow Machetes Inc | £ 4,163,631 | |
| 10530 | Marshmello | £ 155,437,327 | |
| 10531 | MarshSkye | £ 35,400 | |
| 10532 | Martin Luther King Jnr | £ 902,082,927 | |
| 10533 | martini | £ 266,861,163 | |
| 10534 | Marton Institute | £ 83,507,879 | |
| 10535 | Martydom | £ 42,943,748 | |
| 10536 | Martyr Inc | £ 8,895,123 | |
| 10537 | Marvel | £ 8,186,565 | |
| 10538 | Marxism Pte Ltd | £ 32,260,072 | |
| 10539 | Mary | £ 46,301,903 | |
| 10540 | mary celeste | £ 47,276,134 | |
| 10541 | Maryland Inc | £ 1,946,529 | |
| 10542 | MaSaMuNe | £ 449,549,396 | |
| 10543 | Mascots | £ 2,709,237 | |
| 10544 | mashsmashanddaash | £ 178,398 | |
| 10545 | Mask | £ 277,025,659 | |
| 10546 | Mass | £ 612,498,813 | |
| 10547 | Mass Destructi0n | £ -2,791,141 | |
| 10548 | Mass Destruction | £ 208,613,868 | |
| 10549 | Mass Distraction | £ 740,836,641 | |
| 10550 | Mass Extinctions | £ 163,887,470 | |
| 10551 | MaSs HiLiGhTeR | £ 55,491,788 | |
| 10552 | Mass Satisfaction | £ 108,172,069 | |
| 10553 | Massacre | £ 7,955,799 | |
| 10554 | Massage Rev Win | £ 1,080,472,344 | |
| 10555 | Massenet | £ 652,023,276 | |
| 10556 | Massive | £ 83,683,640 | |
| 10557 | Massive Attack | £ 40,160,601 | |
| 10558 | Massive Dong Enterprise | £ 5,754,083 | |
| 10559 | MASSIVE ELECTIONS | £ 16,692,085 | |
| 10560 | Massive Inc | £ 6,334,823 | |
| 10561 | Massively Small Inc. | £ 3,892,903,380 | |
| 10562 | Masta Ace Inc | £ 84,177,720 | |
| 10563 | Mastah Inc. | £ -5,386,656 | |
| 10564 | Master | £ 411,127,543 | |
| 10565 | Master Builders | £ 6,821,399 | |
| 10566 | master molloy2 | £ 3,015,413 | |
| 10567 | Master of Zelda | £ -757,416 | |
| 10568 | Master Sticker Peelers | £ 256,154 | |
| 10569 | Master Swords and Bows | £ 24,666,107 | |
| 10570 | Mastercard | £ 252,652,100 | |
| 10571 | mastermolloy1 | £ 4,589,292 | |
| 10572 | mastermolloy4 | £ 878,532 | |
| 10573 | Masters | £ 57,528,789 | |
| 10574 | mastertkd | £ 156,322,341 | |
| 10575 | Masterton | £ 9,742,506 | |
| 10576 | Mata.inc | £ 13,598,445 | |
| 10577 | Matador Cattle Company | £ 5,024,777 | |
| 10578 | matches | £ 795,209,718 | |
| 10579 | Matches plus Petrol | £ 242,113,155 | |
| 10580 | Matchlock | £ 324,682 | |
| 10581 | Materia | £ 19,046,923 | |
| 10582 | Mathewmatics | £ 6,466,483 | |
| 10583 | Matrix | £ 14,797,169 | |
| 10584 | Matrix Reimbursed | £ 134,369,263 | |
| 10585 | Mats | £ 6,079,772,915 | |
| 10586 | Matt Coprporations | £ 25,939,511 | |
| 10587 | Matt Corp 2 | £ 5,507,664 | |
| 10588 | Matt Lange | £ 171,005,052 | |
| 10589 | Matt Schaub | £ 210,415,111 | |
| 10590 | Matter | £ 215,817,517 | |
| 10591 | Matthews Kiosks | £ 877,790 | |
| 10592 | Mattikins | £ 50,000 | |
| 10593 | Matts money | £ 1,189,880 | |
| 10594 | Matts Place | £ 4,023,510 | |
| 10595 | Matty B Inc 7 | £ -331,481 | |
| 10596 | matty mears corporation | £ 7,886,001 | |
| 10597 | matty mears plc | £ 76,777,292 | |
| 10598 | MattyBinc | £ 69,763,618 | |
| 10599 | MattyBinc2 | £ 96,555,685 | |
| 10600 | MattyBinc3 | £ 38,675,838 | |
