Welch has hired Carl Clump as non-executive chairman Asia Pacific to develop the group's business in the region and head up its new office in Singapore.
Welch said: “Carl Clump has built and sold a number of multi-million pound businesses, is well-connected and respected in the Asia Pacific region, and is the perfect fit with the entrepreneurial culture of Largemortgageloans.com and MillionPlus Private Finance.
“I look forward to the Asia Pacific region becoming an increasingly important component of our business."
Clump said: "I am delighted to be joining Paul's organisation and look forward to being a part of its ambitious growth plans in Asia Pacific.
“The group's experience and extensive network of global relationships with private banks is a powerful combination.
“Both brands are well-suited to the ever increasing number of High Net Worth and Ultra High Net Worth individuals in the region.
“The business delivers truly independent, bespoke solutions of value to its discerning customers, providing proactive advice while dealing with all aspects of clients' circumstances."