Blackstone Ridge — US Consulting Dataset (156K rows)

US consulting firm — "Blackstone Ridge Consulting LLC" (Colorado). 156,000+ rows, 42 tables, 3 years. IRS federal tax, FICA, sales tax, 401(k). 25 service lines ($250-$400/hr), fortnightly payroll, 20 staff. Double-entry accounting. CSV + SQL + Parquet + SQLite.