The Social Security Administration (ssa.gov) has an incredible amount of useful info a few clicks away. Their small business portal starts here where you can start submitting everything online. The process is very simple and there are tons of other resources available.
Resources For Businesses, Employers, Government Agencies And The Self-Employed
Business Services Online (BSO) enables organizations and authorized individuals to conduct business with the Social Security Administration by providing a degree of authentication that ensures a level of trust. Once registered through BSO, users may request, activate, and access various services and functions. Employers can verify Social Security numbers online using the Social Security Number Verification Service (SSNVS) or using the Telephone – National 800# Employer Verification (TNEV) Small businesses can verify SSNs with an individuals consent by using Consent Based SSN Verification Service (CBSV).
The SSA even has an Appointed Representative Services (ARS) which allows agents to view records folders electronically through a secure website.
Employers can also visit the W-2 Filing Instructions and Information site for guidance on reporting employee wages.
Also if you are self-employed, you can visit the Information for the Self-Employed site to learn how your earnings are used for Social Security purposes.