The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 18401 | Season | £ 1,476,446,463 | |
| 18402 | Seathestars | £ 8,194,436 | |
| 18403 | Seats | £ 111,750,289 | |
| 18404 | Seattle | £ 41,358,091 | |
| 18405 | Seattles Best | £ 131,098,931 | |
| 18406 | Seaweed | £ 100,978,059 | |
| 18407 | Sebastiaan | £ 322,973 | |
| 18408 | Sebben and Sebben | £ 1,885,320,336 | |
| 18409 | SebCo | £ 14,000 | |
| 18410 | sebs inc | £ 1,626,510 | |
| 18411 | SEC | £ 127,231,981 | |
| 18412 | Second Cohort | £ 69,974,410 | |
| 18413 | second floor | £ 50,000 | |
| 18414 | Second Hand News | £ 520,771,400 | |
| 18415 | Second Order Effects | £ 20,389,694 | |
| 18416 | Second Trading Company | £ 6,016,713 | |
| 18417 | Secret | £ 120,845,706 | |
| 18418 | Secret Society | £ 392,083,730 | |
| 18419 | Secrets | £ 5,111,431,839 | |
| 18420 | secrety | £ 40,748,049 | |
| 18421 | Secruos Inc. | £ -107,318 | |
| 18422 | Section25 | £ 156,457 | |
| 18423 | security | £ 73,557,394 | |
| 18424 | Security Belies You | £ 171,540 | |
| 18425 | Security Co. | £ 77,221,226 | |
| 18426 | Security Incidents | £ 45,521,215 | |
| 18427 | Security Screening | £ -1,896,270 | |
| 18428 | SecurityGuard | £ 1,666,169 | |
| 18429 | SecuritySystem | £ 581,390 | |
| 18430 | Sedge Inc | £ -1,148,381 | |
| 18431 | Sedition | £ 4,601,243 | |
| 18432 | Seeded rolls | £ 53,776,067 | |
| 18433 | Seeds | £ 87,009,697 | |
| 18434 | seee | £ 61,594,140 | |
| 18435 | Seeing the World | £ 119,962,666 | |
| 18436 | Seek. | £ 350,360,080 | |
| 18437 | Seen anything yet | £ 41,697,955 | |
| 18438 | SeeYouNextTuesday | £ 5,230,247 | |
| 18439 | SEGA GAMES | £ 75,705,080 | |
| 18440 | Seiffer Inc. | £ 5,806,593 | |
| 18441 | seifINC | £ 50,000 | |
| 18442 | Seizure | £ 737,423,805 | |
| 18443 | Sektor 7 | £ 92,615,023 | |
| 18444 | Self Control | £ 930,006,375 | |
| 18445 | Self Isolation | £ 8,955,951 | |
| 18446 | Self PreservationSociety | £ 423,890,999 | |
| 18447 | Self Satisfaction | £ 6,317,268 | |
| 18448 | Self-Discipline | £ 181,006,949 | |
| 18449 | SELF-IMPORTANCE | £ 113,694,234 | |
| 18450 | self-indulgence | £ 433,674,564 | |
| 18451 | self-justification | £ 20,075,297 | |
| 18452 | SelfPreservationSociety | £ -2,091,769 | |
| 18453 | Selke Inc. | £ 6,527 | |
| 18454 | SELL SELL SELL | £ 41,507,413 | |
| 18455 | Semper Fi | £ 94,570,133 | |
| 18456 | Sempre Fi | £ 112,805,041 | |
| 18457 | Sena Quina Papa | £ 813,185,547 | |
| 18458 | Senator | £ 121,477,024 | |
| 18459 | Senior Squeaker | £ 44,020,032 | |
| 18460 | Sens Corporation | £ 605,938 | |
| 18461 | Sense and Sensibility | £ 216,272,095 | |
| 18462 | Sentinal | £ 105,136,050 | |
| 18463 | Sentinel Tech | £ 4,708,479 | |
| 18464 | Seoul | £ 60,533,536 | |
| 18465 | Seperation | £ 4,265,285 | |
| 18466 | Sephiroth | £ 14,015,784 | |
| 18467 | sEpOmZ Ltd | £ 10,627,648 | |
| 18468 | sEpOmZ Offshore Ltd | £ 16,743,267 | |
| 18469 | septicide | £ 247,474,416 | |
| 18470 | Sequester | £ 46,627,487 | |
| 18471 | Serated Edge | £ 6,021,958 | |
| 18472 | Serchlo holdings | £ 29,939,061 | |
| 18473 | Serco | £ 1,093,514 | |
| 18474 | Serendipity | £ 741,358,359 | |
| 18475 | Serenis | £ 5,507,893 | |
| 18476 | Serenis2 | £ 4,505,933 | |
| 18477 | Serenis3 | £ 5,506,105 | |
| 18478 | Serenity | £ 2,170,289 | |
| 18479 | Serenity Inc. | £ -24,434 | |
| 18480 | Serenity Now | £ 81,116,660 | |
| 18481 | Serenity Wellness | £ 56,986,911 | |
| 18482 | Serenity. | £ 446,026,954 | |
| 18483 | SERFco | £ 64,334,624 | |
| 18484 | Sergeant Pillcock | £ 992,579,289 | |
| 18485 | Sergei Inc | £ 1,928,134 | |
| 18486 | Sergei Prokofiev | £ 525,370,503 | |
| 18487 | Sergey Brin Pte Ltd | £ 107,062,051 | |
| 18488 | Sergio Kun Aguero | £ 809,555,767 | |
| 18489 | Serial Killers | £ 6,459,546 | |
| 18490 | Series Whatever | £ 255,429,094 | |
| 18491 | Serious Business | £ -1,182,619 | |
| 18492 | seriously. why tho | £ 37,022,920 | |
| 18493 | Serpent | £ 260,134,152 | |
| 18494 | Serpent XD1 | £ 15,851,857 | |
| 18495 | Serpent XD2 | £ 5,443,678 | |
| 18496 | Serpent XD3 | £ 4,763,894 | |
| 18497 | Service | £ 5,502,028 | |
| 18498 | Service co | £ 178,847,569 | |
| 18499 | Service Unavailable | £ 12,492,489 | |
| 18500 | sesamstraat | £ 6,510,493 | |
