Childminders
One of London's leading babysitting services.
http://www.babysitter.co.uk/

Greycoat Placements
Provides high calibre nannies, mother's helps and other domestic staff for private homes and prestigious establishments.
http://www.greycoatplacements.co.uk/

Simply Child Care
Fortnightly child care listings magazine.
http://www.simplychildcare.com/

The Nanny Service
Permanent, temporary and part-time nannies for hire.
http://www.nannyservice.co.uk/

Top Notch Nannies
Supply nannies, mother's helps, maternity nurses and babysitters.
http://www.topnotchnannies.com/

Universal Aunts
The firm's services include nannies, mother's helps, proxy parents, child escorts and babysitters, as well as housekeepers, caretakers, drivers, cooks and party staff.
http://www.universalaunts.co.uk/