UK Fintech LemonEdge Secures $2.5M in Oversubscribed Round led by Sidekick Partners  Crowdfund Insider. : London-headquartered Fintech firm LemonEdge (previously doing business as LemonTree Software) has acquired $2.5 million in capital as part of an oversubscribed round that was led by Sidekick Partners, a venture firm with strong ties to the North American private equity industry. Sidekick Partners is joined in this latest investment round by Tikhon Bernstam, founder of Parse and Scribd, and Lauren Iaslovits, founder of Investran and a pioneer of private capital market technologies.