content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <headerData>
  <submissionType>144</submissionType>
  <filerInfo>
  <filer>
  <filerCredentials>
  <cik>0001418226</cik>
  <ccc>XXXXXXXX</ccc>
  </filerCredentials>
  </filer>
  <liveTestFlag>LIVE</liveTestFlag>
  </filerInfo>
  </headerData>
  <formData>
  <issuerInfo>
  <issuerCik>0001210677</issuerCik>
  <issuerName>First Advantage Corp.</issuerName>
  <secFileNumber>001-31666</secFileNumber>
  <issuerAddress>
  <street1 xmlns="http://www.sec.gov/edgar/common">1 CONCOURSE PARKWAY NE</street1>
  <street2 xmlns="http://www.sec.gov/edgar/common">SUITE 200, ATTN: BRET T. JARDINE, ESQ., </street2>
  <city xmlns="http://www.sec.gov/edgar/common">ATLANTA</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">GA</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">30328</zipCode>
  </issuerAddress>
  <issuerContactPhone>888-314-9761</issuerContactPhone>
  <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Silver Lake Group, L.L.C.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
  <relationshipsToIssuer>
  <relationshipToIssuer>See Remarks</relationshipToIssuer>
  </relationshipsToIssuer>
  </issuerInfo>
  <securitiesInformation>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <brokerOrMarketmakerDetails>
  <name>Merrill Lynch, Pierce, Fenner &amp; Smith Inc.</name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">555 California Street</street1>
  <street2 xmlns="http://www.sec.gov/edgar/common">18th Floor</street2>
  <city xmlns="http://www.sec.gov/edgar/common">San Francisco</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">CA</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">94104</zipCode>
  </address>
  </brokerOrMarketmakerDetails>
  <noOfUnitsSold>169510</noOfUnitsSold>
  <aggregateMarketValue>2457895</aggregateMarketValue>
  <noOfUnitsOutstanding>145188675</noOfUnitsOutstanding>
  <approxSaleDate>09/15/2023</approxSaleDate>
  <securitiesExchangeName>Nasdaq Stock Market</securitiesExchangeName>
  </securitiesInformation>
  <securitiesToBeSold>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <acquiredDate>11/15/2021</acquiredDate>
  <natureOfAcquisitionTransaction>Acquired in a series of pro rata in-kind distributions from affiliates</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Silver Lake Technology Associates V, L.P.</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>169510</amountOfSecuritiesAcquired>
  <paymentDate>11/15/2021</paymentDate>
  <natureOfPayment>See "Nature of Acquisition"</natureOfPayment>
  </securitiesToBeSold>
  <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
  <remarks>The sale described herein is being made solely by Silver Lake Group, L.L.C. ("SLG"). The securities being sold were received in a prior in-kind distribution from certain affiliates of SLG. Investment funds affiliated with SLG which hold securities of the Issuer are not selling any securities of the Issuer at this time.  An affiliate of SLG is a significant stockholder of the Issuer and executives of SLG currently serve as members of the board of directors of the Issuer.</remarks>
  <noticeSignature>
  <noticeDate>09/15/2023</noticeDate>
  <signature>Silver Lake Group, L.L.C. By: /s/ Andrew Schader, Managing Director and General Counsel</signature>
  </noticeSignature>
  </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 3551}]
text: 144
  0001418226
  XXXXXXXX
  LIVE
  0001210677
  First Advantage Corp.
  001-31666
  1 CONCOURSE PARKWAY NE
  SUITE 200, ATTN: BRET T. JARDINE, ESQ.,
  ATLANTA
  GA
  30328
  888-314-9761
  Silver Lake Group, L.L.C.
  See Remarks
  Common Stock
  Merrill Lynch, Pierce, Fenner & Smith Inc.
  555 California Street
  18th Floor
  San Francisco
  CA
  94104
  169510
  2457895
  145188675
  09/15/2023
  Nasdaq Stock Market
  Common Stock
  11/15/2021
  Acquired in a series of pro rata in-kind distributions from affiliates
  Silver Lake Technology Associates V, L.P.
  N
  169510
  11/15/2021
  See "Nature of Acquisition"
  Y
  The sale described herein is being made solely by Silver Lake Group, L.L.C. ("SLG"). The securities being sold were received in a prior in-kind distribution from certain affiliates of SLG. Investment funds affiliated with SLG which hold securities of the Issuer are not selling any securities of the Issuer at this time.  An affiliate of SLG is a significant stockholder of the Issuer and executives of SLG currently serve as members of the board of directors of the Issuer.
  09/15/2023
  Silver Lake Group, L.L.C. By: /s/ Andrew Schader, Managing Director and General Counsel