As a mergers and acquisitions attorney, your responsibilities revolve around providing legal guidance and advice for a company that is merging with or acquiring another company. You provide legal advice and mediate negotiations before the merge and ensure that all finalizing paperwork is completed in full and filed with the appropriate agencies. You ensure the parties involved meet all regulatory requirements while merging with, absorbing, or acquiring one another. In some situations, you may represent a company during legal proceedings related to a merger.