Aquent Financial Services
Provides immediate debt-free financing and credit/collection services to small businesses, independent contractors, and freelancers.
http://aquentfinancial.com

Chancellor & Chancellor
Payroll Services and Tax Compliance for Professional Contractors. Provides third party passthru payrolling and financial services. Tax compliance solutions for contingency workers (independent contractors-W-2, incorporated, and 1099 sole proprietorship.
http://www.chancellor.com/

eWork Inc.
Offers outsourcing for independent professionals' back-office administrative work and customized insurance benefits.
http://ework.com/

Independent Professional Services
IPS provides Independent Consultants with a stable back office environment that is rich in benefits, services and support.
http://www.iprofessional.com/

MyBizOffice
Provides time- and money-saving business management and administration services for consultants, contractors, free agents, and independent professionals.
http://www.mybizoffice.com

Top Echelon Contracting
A full service back-office provider and can become the legal W-2 Employer of Record.
http://www.topechelon.com/employers/contracting_employerservices.htm

Yurcor
Financial services to let free agents become W-2 employees so they can receive employee benefits.
http://www.yurcor.com

ZeroChaos
Offers employer of record services to freelancers.
http://www.zerochaos.com