Bet365

Below is a snapshot of their site

Web Site URL : bet365.com

Physical Address: Hillside, Festival Way, Stoke-on-Trent, Staffs., England, ST1 5SH

• Open an account, make a deposit of $25* or more and you will be entitled to a 15% bonus of your qualifying deposit up to a maximum of $500*.
• Once you open your account bet365 will send you a 10 digit Offer Code ending in NCDBW via email. To claim your bonus, simply make a qualifying deposit, visit the Enter Offer Code page in the Members Area and enter the code.
• To bet with your bonus, simply play through the amount of your deposit once on the sports and markets of your choice. You will need to play through your deposit and bonus three times prior to making a withdrawal.
  
  * or currency equivalent

bet365 are one of the world’s leading online gambling groups with over 2 million customers in 140 different countries. The Group employs over 800 people and is the UK’s 16th largest private company.
Licensing: The bet365 group has held a UK license since 1974

For your peace of mind, Sports at bet365 is affiliated to IBAS (Independent Betting Adjudication Service) and agrees to abide by its decision on any dispute that may not be resolved to your satisfaction.

bet365's one-wallet system 
As well as sports, bet365 also have first-class casino, poker and bingo rooms on the internet. At bet365, they operate a simple one-wallet system, meaning you have the same username, password and payment method to play at all of the above with the minimum of fuss

** United States Residents cannot open an account at bet365 as a result of US Legislation