The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 18001 | sleepless nights | £ 24,139,123 | |
| 18002 | Sleepopolis | £ 45,905,952 | |
| 18003 | Sleepy Hollow | £ 1,182,172,844 | |
| 18004 | Sleepy Morty | £ 23,598,416 | |
| 18005 | SleepyHollow | £ 77,245,081 | |
| 18006 | Slide Trombones | £ 896,576,481 | |
| 18007 | Slider | £ 412,297,035 | |
| 18008 | Slim | £ 67,193,763 | |
| 18009 | Slim Jimz | £ 2,086,636 | |
| 18010 | Slim Shady | £ 83,489,975 | |
| 18011 | Slim Shady Enterprises | £ 1,955,122 | |
| 18012 | Slime | £ 2,088,953 | |
| 18013 | SLIME INC | £ 1,117,069 | |
| 18014 | SlimHimzLtd | £ 130,231 | |
| 18015 | SlimJimmzLtd | £ -76,218 | |
| 18016 | slimjims | £ 4,536,918 | |
| 18017 | SlimStevesLtd | £ -166,194 | |
| 18018 | SlimTimzLtd | £ 1,063,311 | |
| 18019 | Slipknot | £ 141,156,652 | |
| 18020 | Slippers | £ 664,495,182 | |
| 18021 | Slipperslappers | £ 50,000 | |
| 18022 | Slippery | £ 125,781,411 | |
| 18023 | Slither and Bite | £ 97,317,596 | |
| 18024 | SLM Distribution | £ 128,478,835 | |
| 18025 | SLM Finance | £ 58,439,496 | |
| 18026 | SLM Industries | £ 86,783,495 | |
| 18027 | SLM Logistics | £ 54,434,601 | |
| 18028 | SLM Operations | £ 56,210,954 | |
| 18029 | SLM Technologies | £ 57,334,457 | |
| 18030 | SLOB | £ 8,761,916 | |
| 18031 | Slog and Slack | £ 55,270,541 | |
| 18032 | Sloots | £ 334,908,017 | |
| 18033 | sloppy seconds | £ 1,449,838 | |
| 18034 | Slos Deros | £ 302,150,114 | |
| 18035 | Sloths | £ 93,889,856 | |
| 18036 | Slovakia | £ 5,885,837 | |
| 18037 | Slovenia | £ 10,962,736 | |
| 18038 | Slow | £ 104,827,347 | |
| 18039 | Slow Counts | £ 19,666,231 | |
| 18040 | Slow Death | £ 385,454,654 | |
| 18041 | Slow Loris Inc. | £ 303,501,243 | |
| 18042 | Sludge Imports | £ 5,164,246 | |
| 18043 | Slug Slime | £ 33,322,801 | |
| 18044 | slugs | £ 76,332,819 | |
| 18045 | Slugs R Us | £ 3,038,128 | |
| 18046 | slumlord inc | £ 704,403 | |
| 18047 | Slurpy Slurps | £ 22,595,924 | |
| 18048 | SlushMonkey | £ 5,441,646 | |
| 18049 | Slutty | £ 5,190,812 | |
| 18050 | sluty ninjas | £ 2,002,364 | |
| 18051 | SlyStalker Corp | £ 4,131,261 | |
| 18052 | SlyStalker Enterprise | £ 58,273,424 | |
| 18053 | SlyStalker Enterprises | £ 5,635,250 | |
| 18054 | SlyStalker Ltd | £ 5,505,246 | |
| 18055 | Slytherin | £ 1,221,350,666 | |
| 18056 | Small | £ 1,421,368 | |
| 18057 | small changes | £ 167,118,901 | |
| 18058 | Small feet | £ 5,503,602 | |
| 18059 | Small Fry Ltd | £ 10,059,769 | |
| 18060 | SmallBitch | £ 4,936,133 | |
| 18061 | smallpond | £ 2,301,565 | |
| 18062 | smalls | £ 119,007,317 | |
| 18063 | smallville | £ 423,692 | |
| 18064 | smartone | £ 17,822,832 | |
| 18065 | smartphone generation x | £ 49,788,343 | |
| 18066 | Smash | £ 83,490,998 | |
| 18067 | Smash It Enterprises | £ 14,247,386 | |
| 18068 | Smashedup Inc. | £ 144,415,928 | |
| 18069 | smashem | £ 69,457,594 | |
| 18070 | smashing | £ 50,000 | |
| 18071 | Smaug | £ 3,981,631 | |
| 18072 | smeg | £ 2,883,908 | |
| 18073 | SmegHead.Inc | £ 4,712,583 | |
| 18074 | Smegma | £ 160,806,196 | |
| 18075 | Smell | £ 56,809,421 | |
| 18076 | SmellMyStench | £ 4,274,870 | |
| 18077 | Smellsies | £ 50,000 | |
| 18078 | smelly old socks | £ 138,127,354 | |
| 18079 | Smelly Turds | £ 92,473,414 | |
| 18080 | SMG Fire | £ 25,366,092 | |
| 18081 | smiffys stuff | £ -1,166,514 | |
| 18082 | smile | £ 26,612,672 | |
| 18083 | Smilers | £ 5,980,885 | |
| 18084 | Smiles | £ 14,669,541 | |
| 18085 | Smilesrus | £ 514,441,546 | |
| 18086 | Smish Bish | £ 55,979,727 | |
| 18087 | Smith | £ 58,919,021 | |
| 18088 | SMITH AND CROSS | £ 154,434,618 | |
| 18089 | Smith And Reddish | £ 3,969,913 | |
| 18090 | Smith and Smith | £ 670,119,894 | |
| 18091 | SmithCo | £ 1,849,260 | |
| 18092 | SMITHRUS | £ -81,784 | |
| 18093 | SMITHS | £ 184,447,649 | |
| 18094 | Smiths Cove | £ 250,881,288 | |
| 18095 | Smiths ltd. | £ 10,963,232 | |
| 18096 | Smok | £ 42,872,259 | |
| 18097 | Smoke | £ 11,533,899 | |
| 18098 | Smoke and Mirrors | £ 286,588,014 | |
| 18099 | Smoke Inc | £ 12,563,617 | |
| 18100 | Smoke On Tweedz | £ 125,514,682 | |
