Abstract: Computer-implemented systems for searching within a database, providing searching and scoring exact and non-exact matches of data from a plurality of databases to validate data integrity. Embodiments are described relating to novel systems and methods for validating data. The embodiments create a “consensus value” for various items of data based on information shared by different entities, whose separate data can be used for this purpose whilst maintaining its confidentiality from other entities, who may be business competitors and/or who for various reasons should preferably not be given access to the data. Use of consensus value validation provides significant advantages over today's methodology of reliance on outside data vendors to provide purportedly fact-checked clean data.