This research targets to test the connotation between the helpfulness of public relation and export performance\nin Sudanese export companies; the mediating effect of commitment and trust, the data have been collected from\n150 high-ranking administrators of export company in Sudanese exporting firms. Questionnaire was used to collect\nthe data; overall response rate was 84%. Many statistic tools have been utilized, reliability test, exploratory factor\nanalysis, correlation analysis and hierarchical regression to the goodness of measures and interrelationships. The\nresults showed that public relation meaningfully influenced the export performance, also commitment and trust\nsignificantly influenced the export performance, beside the significantly association between the public relation and\ncommitment and trust.
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