A business strategy and technology consulting firm that is one of Seattle's largest companies has arrived in Nashville. Slalom LLC announced its new Music City office on Thursday. It's the 41st global location for the 20-year-old company, which reported $1.82 billion of revenue in 2020, according to research from NBJ sister outlet Puget Sound Business Journal. Slalom works with clients in 14 industries and sectors, such as health care, financial services, automotive, real estate and nonprofits.…