Ian Watson, Lancashire County Council's head of cultural services, said the council "would be happy" to consider "options for retaining this valuable part of Lancashire's history".
Boston Consulting Group says it focuses heavily on recruiting and retaining women, offering part-time options, mentoring and professional development programs.
The GAO surveyed 22 state-run programs that cover private- and public-sector workplaces and found that the agencies had troubling staffing and retaining inspectors, in part because of low salaries.