Aurora Capital Group, a Los Angeles-based private equity firm, has acquired DuBois Chemicals, a provider of chemical solutions and services, from The Riverside Company.  Terms of the transaction have not been disclosed. DuBois offers a broad range of customised chemical solutions which reduce downtime, minimise defects, extend equipment life and

Private equity firm Arsenal Capital Partners is to acquire Dash Multi-Corp, a manufacturer of formulated polyurethane, vinyl plastisol, specialty coatings and recycled rubber products. The acquisition of Dash represents the fifth acquisition by Arsenal’s specialty industrials group in 2012, as well as another example of the firm’s acquiring a company

Turnaround specialist RCapital has purchased the business, brand and assets of The Harley Medical Group, backing the incumbent management team. The Harley Medical Group has grown over 30 years, providing surgical and non-surgical cosmetic procedures across the UK.   In 2011 the whole cosmetic surgery industry was hit by the

Southport Lane Management, a private equity fund manager based in New York, has agreed to invest USD20m to support the continued expansion of the Capital Guardian wealth management business. Capital Guardian was selected by Southport Lane for its combination of strong management, global platform, and focus on the adviser experience.

Private investment firm Cerberus Capital Management is to sell its stake in Freedom Group, the manufacturer of the AR-15 rifle used in the attack at a primary school in Newtown, Connecticut last week that left 20 children and seven adults dead. Affiliates of Cerberus made their investment in Freedom Group

Alternative asset manager The Carlyle Group has completed the sale of Metaldyne, a manufacturer of metal-based components for light vehicle engine, transmission and driveline systems, to an affiliate of American Securities. Financial terms of the transaction have not been disclosed. Carlyle Strategic Partners II, a USD1.35bn distressed investment fund, led

Energy group Winch Energy has invested in Sicily-based energy trader Onda Energy and its subsidiary Energit, based in Sardinia. The Onda Energy Group is the largest gas and electricity broker in both Sicily and Sardinia, with some 35,000 commercial customers in Sicily, Sardinia and Italy. The combined group has turnover

Private equity firm TA Associates has completed a majority investment in DigiCert, a provider of enterprise security solutions. Terms of the investment were not disclosed. Founded in 2003, DigiCert provides online authentication and encryption services primarily through Secure Socket Layer (SSL) certificates to companies, government agencies, financial institutions, and educational