The amount of the deal was not disclosed.
For Palatine, the investment marks the first deal from its Impact Fund, an investment vehicle targeting profitable growth companies that can deliver a private equity return, and a positive social or environmental impact.
The investment will support the expansion of Trade Skills 4U across the UK with the opening of a number of new training centres.
Established in 2005, Trade Skills 4U provides a range of courses for individuals who have little or no electrical knowledge who want to become electricians, whilst also providing further training to those already in the profession or associated trades.
The company focuses on the adult training market.
The deal sees Palatine back the existing management team, consisting of Carl Bennett, Andy Hays-Ellis and Christos Panayiotou. In addition, Robert Vince who has had a long career with Interserve will join the board as Non-Executive Director.
The investment was led by Partners Beth Houghton and Zoe Clements, with support from Matthew Coles, Investment Manager.
Beth Houghton, Head of Impact Fund at Palatine Private Equity, said: “We are delighted to support the management team of Trade Skills 4U with their exciting and impactful expansion plans, and look forward to working with them to build on their success to date and explore a number of growth opportunities.