The Company was incorporated as a private company limited by shares on 23 February 1983 under the name of Twinbull Investments Pte. Ltd.. On 30 June 1983, the Company changed its name to L & M Group Investments Pte. Ltd.. On 27 September 1983, the Company was converted to a public company limited by shares and changed its name to L & M Group Investments Limited. The Company was subsequently listed on the SGX Main Board on 16 January 1984.

The Company had filed a request to the SGX-ST to suspend the trading of its Shares on 10 November 2005 in view of a winding-up petition by its creditors. The Company's Shares were then suspended from trading on the SGX Mainboard on 10 November 2005, and its last traded price was S$0.005.

Subsequent to the trading suspension, the Company was placed under judicial management on 11 January 2006 under an order of Court whereby Mr Bob Low Siew Sie of Bob Low & Co was appointed as the Judicial Manager.

In view of the substantial amount of debts of the Group which amounted to approximately S$70.3 million as at 11 January 2006, the Judicial Manager undertook the disposal of certain assets to reduce the Group's indebtedness as well as the negotiation of a scheme of arrangement to restructure the Group's total liabilities. The Judicial Manager also actively sourced for potential investors to enter into restructuring and/or investment proposals with the Company to revive the Group with the injection of new and viable businesses.

Seroja Investments Limited is a result of Reverse Take Over (RTO) of L & M Group Investments Pte Ltd.

The Group are principally engaged in the provision of chartering services of tugboats and barges to transport dry bulk freight, mainly thermal coal, sand and other quarry materials. Its transport thermal coal from coal mines in Kalimantan, Indonesia, to thermal power stations as well as cement companies which operate their own thermal power plants in Java,Indonesia.

The Group generally enter into freight and time charters which range from a period of one to five years. Depending on the prevailing market conditions and the utilisation rates of the fleet, the Group may deploy available tugboats and barges on the spot market under freight charters to take advantage of periods of higher spot market pricing.

The Group's freight charters are typically involved domestic routes in Indonesia from Kalimantan to various ports in Java and Sulawesi while their time charters have generally involved international routes from Vietnam to Singapore as well as domestic routes around the Sumatra Island.