Identifies the optimum role of public library business information services (PLBIS) with UK's Business Link and the steps which can be taken to achieve greater cooperation between them. Examines briefly some conclusions concerning public library partnerships with business referral and advisory services by identifying the role played in the past by public libraries in partnerships with these services; discusses the advantages and disadvantages of the public library joining the Business Link partnership; draws attention to assets which the PLBIS can offer Business Link; identifies the service development areas which need attention from the public library service wishing to derive the maximum benefit from its Business Link involvement; and gathers the evidence needed to identify the possible nature of the future optimum public library involvement with Business Link and notes the support that it will need from library related organizations in order to achieve this. Concludes with useful suggestions and recommendations for successful co-operation between public library business information services and the Business Link movement.