Los Angeles-based Dun & Bradstreet Credibility Corp. and Glendale-based LegalZoom have linked up their efforts in the small business market, the firms said this week, via a strategic alliance. According to the two companies, LegalZoom will provide business customers with access to business consultation services from Dun & Bradstreet Credibility Corp. Financial detalis of the partnership were not disclosed. Dun & Bradstreet Credibility, which is headed by high tech vet Jeffrey Stibel, will provide information on its D&B D-U-N-S number to customers of LegalZoom. D&B provides business credit ratings and related services; LegalZoom is a provider of online legal documents, and is headed by John Suh.