The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 19001 | The Interior | £ 178,374,437 | |
| 19002 | the internet | £ 957,747,057 | |
| 19003 | the Invisible Ninja | £ 131,017,540 | |
| 19004 | The iPhone | £ 10,116,154 | |
| 19005 | the Iron Bell | £ 673,040,906 | |
| 19006 | The Iron Curtain | £ 102,540,745 | |
| 19007 | The Isles | £ 604,613,427 | |
| 19008 | The Italian Mob | £ 68,762 | |
| 19009 | The Jabberwock | £ 160,525,261 | |
| 19010 | The Jedi | £ 685,701,946 | |
| 19011 | The Jenga Tower | £ 53,134,350 | |
| 19012 | The Jetset | £ 149,345,238 | |
| 19013 | The Jews | £ 151,825,331 | |
| 19014 | The Jhop Finances | £ 83,857,150 | |
| 19015 | The Jhop Mafia | £ 173,235,668 | |
| 19016 | The Jhop Security Inc | £ 77,432,398 | |
| 19017 | The Job Centre | £ 6,245,607 | |
| 19018 | the joke is on you | £ 448,719,377 | |
| 19019 | tHE jOKER | £ 10,752,867 | |
| 19020 | The Joshua tree | £ 21,860,312 | |
| 19021 | the journey | £ 486,496,515 | |
| 19022 | The Jr. Mafia | £ 1,305,073,989 | |
| 19023 | The Judging | £ 414,519,513 | |
| 19024 | the juice | £ 877,825 | |
| 19025 | the Jumping Beans | £ 136,411,011 | |
| 19026 | The Jungle | £ 185,524,775 | |
| 19027 | The Junkyard | £ -9,429 | |
| 19028 | The Jury | £ 106,372,838 | |
| 19029 | The Justice Crew | £ 5,530,657 | |
| 19030 | The Kanjars | £ 217,858,647 | |
| 19031 | the Keiser Report | £ 70,895,644 | |
| 19032 | The Key | £ 51,307,498 | |
| 19033 | The Keys | £ 74,370,193 | |
| 19034 | The KGB | £ 572,391,245 | |
| 19035 | The Kid | £ -140,817 | |
| 19036 | the kill | £ 53,589,612 | |
| 19037 | The Killer | £ 4,428,609 | |
| 19038 | the Killer Bees | £ 387,131,277 | |
| 19039 | the killer company | £ 50,000 | |
| 19040 | The Killer Sausage | £ 342,466,101 | |
| 19041 | the killer tomatoes | £ 74,801,463 | |
| 19042 | The Killers | £ 201,864,142 | |
| 19043 | The Kilt | £ 895,728,673 | |
| 19044 | The KImberleys | £ 42,289,652 | |
| 19045 | the king | £ 494,516,675 | |
| 19046 | The King Corp | £ 54,632,843 | |
| 19047 | The Kingdom | £ 9,116,361 | |
| 19048 | The Kiosk | £ 172,669,840 | |
| 19049 | The Kiss | £ 51,707,712 | |
| 19050 | The Kitkat | £ 40,200 | |
| 19051 | The Klondike | £ 311,642,775 | |
| 19052 | The Knight | £ 50,000 | |
| 19053 | the Knight of Zero | £ 14,734,765 | |
| 19054 | The Knights Templar | £ 15,872,880 | |
| 19055 | The Kooky Jar | £ 164,100,638 | |
| 19056 | The Kracken | £ 82,808,113 | |
| 19057 | The Krakken | £ 27,431,158 | |
| 19058 | The Krankies | £ 4,207,085 | |
| 19059 | the krays | £ 19,083,406 | |
| 19060 | The Kreisau Circle | £ 578,732,525 | |
| 19061 | The Kremlin | £ 91,949,378 | |
| 19062 | The Labour Party | £ 6,819,445 | |
| 19063 | The Lady Garden | £ 241,382,172 | |
| 19064 | The Lady In Red | £ 640,326,069 | |
| 19065 | The Laidler Initiative | £ 30,871 | |
| 19066 | The Lakes | £ 9,493,385 | |
| 19067 | The Lambs | £ 32,998,959 | |
| 19068 | The Lamp | £ 23,870,109 | |
| 19069 | The Lamplighter Union | £ 61,598,265 | |
| 19070 | The Land | £ 146,147,795 | |
| 19071 | The Land Girls | £ 264,269,767 | |
| 19072 | The Land Registry | £ 396,941,123 | |
| 19073 | The Laplace Transform | £ 1,958,312 | |
| 19074 | the larks | £ 533,973,112 | |
| 19075 | The Last | £ 5,502,818 | |
| 19076 | The last chapter | £ 1,784,308 | |
| 19077 | The Last Day | £ 5,871,441,447 | |
| 19078 | The last Samurai | £ 5,494,142 | |
| 19079 | The Last Ship | £ 141,674,929 | |
| 19080 | The Last. | £ 56,239,934 | |
| 19081 | The Laughing World | £ 87,883,427 | |
| 19082 | The Law | £ 12,222,422 | |
| 19083 | The League | £ 62,689,184 | |
| 19084 | The Leaks | £ 291,879,501 | |
| 19085 | the Left | £ 1,006,736,572 | |
| 19086 | The Legal System | £ 129,847,468 | |
| 19087 | The Legion of Doom | £ 5,396,024 | |
| 19088 | The Legs of Heaven | £ 1,135,260,098 | |
| 19089 | The Lemon Grove | £ 50,000 | |
| 19090 | The Liberator | £ 497,920,226 | |
| 19091 | The Lies | £ 258,816,174 | |
| 19092 | The Light Brigade | £ 118,125,198 | |
| 19093 | the lights | £ 264,993,760 | |
| 19094 | the Line | £ 108,920,918 | |
| 19095 | The Lion King | £ 131,752,980 | |
| 19096 | The Lion Rampant | £ 762,308,169 | |
| 19097 | the littel guy | £ 6,525,980 | |
| 19098 | The Little Kingdom | £ 29,519,238 | |
| 19099 | The little mermaid | £ 6,214,035 | |
| 19100 | The Little ones | £ 5,745,001,683 | |
