Experience you can trust. Information you need. Accounting solutions to achieve your mission. Invest in Your Non-Profit When you have a clear financial picture of where your non-profit stands, you can create a path toward achieving your organization’s mission — now and in the future. Learn how Greenwich Consulting can help you accomplish your accounting goals. Our Services Trusted Non-Profit Accounting Professionals Since Greenwich Consulting was first established in 1987, it has been the go-to accounting resource for non-profits in the Washington, DC metro area. Learn more about what makes Greenwich Consulting the premier partner to meet the specific needs of non-profit organizations. About Us