Client Support

At R.J.O’Brien we are committed to an approach to customer support and service that is second to none. Should you have any questions and need to speak to a representative directly, please use the contact information below.

Department Phone Number Email Address
London Client Services +44 (0) 20 3872 3410
London IT Support +44 (0) 20 3872 3430
Chicago Client Services +1-312-373-5261
Chicago Help Desk +1-312-373-4955

For requests on Pillar 3 disclosures, please email