The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 19301 | Seaweed | £ 100,978,059 | |
| 19302 | Sebastiaan | £ 322,973 | |
| 19303 | Sebben and Sebben | £ 1,885,320,336 | |
| 19304 | SebCo | £ 14,000 | |
| 19305 | sebs inc | £ 1,626,510 | |
| 19306 | SEC | £ 127,231,981 | |
| 19307 | Second Cohort | £ 69,974,410 | |
| 19308 | second floor | £ 50,000 | |
| 19309 | Second Hand News | £ 520,771,400 | |
| 19310 | Second Order Effects | £ 21,869,331 | |
| 19311 | Second Trading Company | £ 6,016,713 | |
| 19312 | Secret | £ 120,845,706 | |
| 19313 | Secret Agent Man | £ 62,931,309 | |
| 19314 | Secret Society | £ 392,083,730 | |
| 19315 | Secrets | £ 5,111,431,839 | |
| 19316 | secrety | £ 40,748,049 | |
| 19317 | Secruos Inc. | £ -107,318 | |
| 19318 | Section25 | £ 156,457 | |
| 19319 | security | £ 73,557,394 | |
| 19320 | Security Belies You | £ 171,540 | |
| 19321 | Security Co. | £ 77,221,226 | |
| 19322 | Security Incidents | £ 45,521,215 | |
| 19323 | Security Screening | £ -1,896,270 | |
| 19324 | SecurityGuard | £ 1,666,169 | |
| 19325 | SecuritySystem | £ 581,390 | |
| 19326 | Sedge Inc | £ -1,148,381 | |
| 19327 | Sedition | £ 4,601,243 | |
| 19328 | Seeded rolls | £ 146,957,310 | |
| 19329 | Seeds | £ 87,009,697 | |
| 19330 | seee | £ 61,594,140 | |
| 19331 | Seeing the World | £ 119,962,666 | |
| 19332 | Seek. | £ 350,360,080 | |
| 19333 | Seen anything yet | £ 45,948,423 | |
| 19334 | SeeYouNextTuesday | £ 5,230,247 | |
| 19335 | SEGA GAMES | £ 75,705,080 | |
| 19336 | Seiffer Inc. | £ 5,806,593 | |
| 19337 | seifINC | £ 50,000 | |
| 19338 | Seizure | £ 737,423,805 | |
| 19339 | Sektor 7 | £ 92,615,023 | |
| 19340 | Selby | £ 3,980,008,152 | |
| 19341 | Self Control | £ 930,006,375 | |
| 19342 | Self Isolation | £ 8,955,951 | |
| 19343 | Self PreservationSociety | £ 423,890,999 | |
| 19344 | Self Satisfaction | £ 6,317,268 | |
| 19345 | Self-Discipline | £ 181,006,949 | |
| 19346 | SELF-IMPORTANCE | £ 113,694,234 | |
| 19347 | self-indulgence | £ 444,066,054 | |
| 19348 | self-justification | £ 21,883,461 | |
| 19349 | SelfPreservationSociety | £ -2,091,769 | |
| 19350 | Selke Inc. | £ 6,527 | |
| 19351 | SELL SELL SELL | £ 71,507,413 | |
| 19352 | selling up | £ 4,538,337 | |
| 19353 | Semper Fi | £ 94,570,133 | |
| 19354 | Sempre Fi | £ 112,805,041 | |
| 19355 | Sena Quina Papa | £ 813,185,547 | |
| 19356 | Senator | £ 121,477,024 | |
| 19357 | Senior Squeaker | £ 44,020,032 | |
| 19358 | Sens Corporation | £ 605,938 | |
| 19359 | Sense and Sensibility | £ 216,272,095 | |
| 19360 | Sentinal | £ 105,136,050 | |
| 19361 | Sentinel Tech | £ 4,708,479 | |
| 19362 | Seoul | £ 60,533,536 | |
| 19363 | Seperation | £ 4,265,285 | |
| 19364 | Sephiroth | £ 14,015,784 | |
| 19365 | sEpOmZ Ltd | £ 10,627,648 | |
| 19366 | sEpOmZ Offshore Ltd | £ 16,743,267 | |
| 19367 | septicide | £ 439,897,572 | |
| 19368 | Serated Edge | £ 6,021,958 | |
| 19369 | Serchlo holdings | £ 29,939,061 | |
| 19370 | Serendipity | £ 741,358,359 | |
| 19371 | Serenis | £ 5,507,893 | |
| 19372 | Serenis2 | £ 4,505,933 | |
| 19373 | Serenis3 | £ 5,506,105 | |
| 19374 | Serenity | £ 2,170,289 | |
| 19375 | Serenity Inc. | £ -24,434 | |
| 19376 | Serenity Now | £ 81,116,660 | |
| 19377 | Serenity Wellness | £ 56,986,911 | |
| 19378 | Serenity. | £ 446,026,954 | |
| 19379 | SERFco | £ 64,334,624 | |
| 19380 | Sergeant Pillcock | £ 992,579,289 | |
| 19381 | Sergei Inc | £ 1,928,134 | |
| 19382 | Sergei Prokofiev | £ 525,370,503 | |
| 19383 | Sergey Brin Pte Ltd | £ 1,589,296,560 | |
| 19384 | Sergio Kun Aguero | £ 809,555,767 | |
| 19385 | Serial Killers | £ 6,459,546 | |
| 19386 | Series Whatever | £ 490,000,429 | |
| 19387 | Serious Business | £ -1,182,619 | |
| 19388 | Seriousky What | £ 35,226,843 | |
| 19389 | seriously. why tho | £ 50,013,366 | |
| 19390 | Serpent | £ 260,134,152 | |
| 19391 | Serpent XD1 | £ 15,851,857 | |
| 19392 | Serpent XD2 | £ 5,443,678 | |
| 19393 | Serpent XD3 | £ 4,763,894 | |
| 19394 | Served | £ 48,314,471 | |
| 19395 | Service | £ 5,502,028 | |
| 19396 | Service co | £ 28,582,789 | |
| 19397 | Service Unavailable | £ 104,992,489 | |
| 19398 | sesamstraat | £ 6,510,493 | |
| 19399 | Set | £ 21,601,683 | |
| 19400 | Set fire to u | £ 103,474,479 | |
