On our expat package we had (or what I remember)...
A look-see visit (basically a realtor/relocation agent spending a day with you looking at houses and neighbourhoods + their knowledge of the communities and suitability for an expat).
Full packing and moving of our house, including air shipment and sea container. Unpacking at the other end.
A week in a hotel at home and in the host country.
Car hire for 4 weeks either end.
Legal stuff re rentals and getting utilities hooked up and into our names.
Bank account set up with personal banker
20% of annual salary to cover the cost of the move (such as replacing small electricals, getting curtains etc.)
A housing allowance covering rent, taxes and utilities in our host country.
Reimbursement of lost rental when our house was not rented out, plus the services of a rental agent in the UK.
Annual home leave - a fund for the published air fares (although we could always get cheaper, so the rest was profit).
10% inconvenience premium on salary
The equivalent of my child benefit
$10000 per year spouse enhancement fund (to let me do a course, if I wanted, or gym membership etc.)
Pre-school fees
Interest free loan for car and large appliances
Guaranteed depreciation of car and appliances both at home and in the host country
Same holidays as UK
International health insurance (free choice of HCP).
Tax preparation for the years on either side of the assignment and throughout the assignment.
Visa stuff