crd check - SERP Analysis

https://brokercheck.finra.org/

https://www.finra.org/registration-exams-ce/classic-crd

https://adviserinfo.sec.gov/

https://www.investor.gov/introduction-investing/getting-started/working-investment-professional/check-out-your-investment-professional

https://www.nasaa.org/2709/how-to-check-out-your-broker-or-investment-adviser/

https://www.investopedia.com/terms/f/finra-brokercheck.asp

https://smartasset.com/investing/how-to-use-finra-brokercheck

https://www.crd-check.com/

https://www.nasaa.org/investor-education/how-to-check-your-broker-or-investment-adviser/

https://money.stackexchange.com/questions/159273/finding-crd-number-for-brokerage