Established in 1953, LarsonAllen is a firm that provides tax, assurance, accounting, consulting and advisory services to individuals and organizations. Its certified public accountants specialize in handling financial statements, attestation engagements, and forecasts and projections. The firm also assists clients in business plan development, payroll preparation and tax reporting, and processing of monthly and quarterly financial information. Its information security experts specialize in disaster recovery, network penetration, vulnerability testing and security policies. In addition, the firm provides internal audit and valuation and forensic services. The firm represents the financial, construction, manufacturing, transportation, nonprofit, government, real estate, health care and agribusiness sectors. It is a member of Nexia International, a worldwide network of independent accounting and consulting firms. The firm employs more than 1,000 staff members and has annual revenues of more than $170 million. LarsonAllen maintains a location in Altoona, Wis.