The Office of Management and Budget (OMB) is the largest office within the Executive Office of the President of the United States (EOP). OMB’s most prominent function is to produce the President’s Budget, but OMB also measures the quality of agency programs, policies, and procedures to see if they comply with the president’s policies and coordinates inter-agency policy initiatives. OMB prepares the President’s budget proposal to Congress and supervises the administration of the executive branch agencies. OMB evaluates the effectiveness of agency programs, policies, and procedures, assesses competing funding demands among agencies, and sets funding priorities. OMB ensures that agency reports, rules, testimony, and proposed legislation are consistent with the president’s budget and with administration policies.
OMB also oversees and coordinates the administration’s procurement, financial management, information, and regulatory policies. In each of these areas, OMB’s role is to help improve administrative management, to develop better performance measures and coordinating mechanisms, and to reduce any unnecessary burdens on the public.
OMB’s critical missions are:
Budget development and execution is a prominent government-wide process managed from the Executive Office of the President (EOP) and a device by which a president implements his policies, priorities, and actions in everything from the Department of Defense to NASA.
OMB manages other agencies’ financials, paperwork, and IT.
Further reading –
https://en.wikipedia.org/wiki/Office_of_Management_and_Budget