https://www.reuters.com/article/us-avidxchange-ipo-exclusive/exclusive-business-payments-firm-avidxchange-preps-for-ipo-eyeing-7-billion-valuation-sources-idUSKBN2BF1YJ >AvidXchange Inc has hired investment banks including Goldman Sachs Group to lead preparations for an initial public offering which may value the business payments processor at more than $7 billion, people familiar with the matter said on Tuesday.