Shea & Company, commonly called Shea & Co, is an independent investment bank focused on the technology sector. Its work includes mergers and acquisitions and capital-raising advisory, with particular emphasis on software and technology-enabled businesses.
That specialization should guide your preparation. Be ready to explain why you prefer a focused advisory platform to a large bank that covers many industries, then show that you understand recurring revenue, customer retention, growth, profitability, and the other factors that influence software company valuations. A generic bank answer will not do.