<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2013-06-05</periodOfReport>

    <issuer>
        <issuerCik>0001371446</issuerCik>
        <issuerName>FBR &amp; Co.</issuerName>
        <issuerTradingSymbol>FBRC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001402174</rptOwnerCik>
            <rptOwnerName>Crestview Partners GP, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>667 MADISON AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10065</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001303183</rptOwnerCik>
            <rptOwnerName>CRESTVIEW PARTNERS, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CRESTVIEW PARTNERS GP, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>667 MADISON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10065</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001303158</rptOwnerCik>
            <rptOwnerName>CRESTVIEW OFFSHORE HOLDINGS (CAYMAN), L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CRESTVIEW PARTNERS GP, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>667 MADISON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10065</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001339026</rptOwnerCik>
            <rptOwnerName>CRESTVIEW PARTNERS (PF), L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CRESTVIEW PARTNERS GP, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>667 MADISON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10065</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001322690</rptOwnerCik>
            <rptOwnerName>CRESTVIEW HOLDINGS (TE), L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CRESTVIEW PARTNERS GP, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>667 MADISON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10065</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001336205</rptOwnerCik>
            <rptOwnerName>CRESTVIEW PARTNERS (ERISA), L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CRESTVIEW PARTNERS GP, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>667 MADISON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10065</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001402597</rptOwnerCik>
            <rptOwnerName>Forest Holdings LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CRESTVIEW PARTNERS GP, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>667 MADISON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10065</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001402596</rptOwnerCik>
            <rptOwnerName>Forest Holdings (ERISA) LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CRESTVIEW PARTNERS GP, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>667 MADISON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10065</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, par value $0.001 per share (&quot;Common Stock&quot;)</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2147909</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Through limited partnerships</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Option (Right to Buy) (&quot;Option&quot;)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>24.23</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2013-06-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>32432</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2014-06-05</value>
            </exerciseDate>
            <expirationDate>
                <value>2017-06-05</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>32432</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Through limited partnerships</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This Form 4 is being filed by more than one reporting person. Crestview Partners GP, L.P. is the general partner of Crestview Partners, L.P., Crestview Offshore Holdings (Cayman), L.P., Crestview Partners (PF), L.P., Crestview Holdings (TE), L.P. and Crestview Partners (ERISA), L.P.</footnote>
        <footnote id="F2">Crestview Partners, L.P., Crestview Offshore Holdings (Cayman), L.P., Crestview Partners (PF), L.P. and Crestview Holdings (TE), L.P. are members of Forest Holdings LLC, which is the record owner of 2,036,938 shares of Common Stock. Crestview Partners (ERISA), L.P. is the sole member of Forest Holdings (ERISA) LLC, which is the record owner of 110,971 shares of Common Stock. Each reporting person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein. The numbers reported in this footnote reflect a 1-for-4 reverse stock split of the issuer's common shares that took place on February 28, 2013.</footnote>
        <footnote id="F3">Crestview Advisors, L.L.C., which provides investment advisory and management services to certain of the reporting persons, acquired on June 5, 2013, 32,432 options to buy common shares of the issuer at an exercise price of $24.23 per share. Each reporting person disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein, if any.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Crestview Partners GP, L.P., By: Crestview, L.L.C., its General Partner, by /s/ Ross A. Oliver, Senior Counsel and Chief Compliance Officer</signatureName>
        <signatureDate>2013-06-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Crestview Partners, L.P., By: Crestview Partners GP, L.P., its General Partner, By: Crestview, L.L.C., its General Partner, by /s/ Ross A. Oliver, Senior Counsel and Chief Compliance Officer</signatureName>
        <signatureDate>2013-06-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Crestview Offshore Holdings (Cayman), L.P., By: Crestview Partners GP, L.P., its General Partner, By: Crestview, L.L.C., its General Partner, by /s/ Ross A. Oliver, Senior Counsel and Chief Compliance Officer</signatureName>
        <signatureDate>2013-06-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Crestview Partners (PF), L.P., By: Crestview Partners GP, L.P., its General Partner, By: Crestview, L.L.C., its General Partner, by /s/ Ross A. Oliver, Senior Counsel and Chief Compliance Officer</signatureName>
        <signatureDate>2013-06-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Crestview Holdings (TE), L.P., By: Crestview Partners GP, L.P., its General Partner, By: Crestview, L.L.C., its General Partner, by /s/ Ross A. Oliver, Senior Counsel and Chief Compliance Officer</signatureName>
        <signatureDate>2013-06-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Forest Holdings LLC, By: Crestview Partners, L.P., its Member, By: Crestview Partners GP, L.P., its General Partner, By: Crestview, L.L.C., its General Partner, by /s/ Ross A. Oliver, Senior Counsel and Chief Compliance Officer</signatureName>
        <signatureDate>2013-06-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Crestview Partners (ERISA), L.P., By: Crestview Partners GP, L.P., its General Partner, By: Crestview, L.L.C., its General Partner, by /s/ Ross A. Oliver, Senior Counsel and Chief Compliance Officer</signatureName>
        <signatureDate>2013-06-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Forest Holdings (ERISA) LLC, Crestview Partners (ERISA), L.P., its sole Member, By: Crestview Partners GP, L.P., its General Partner, By: Crestview, L.L.C., its General Partner, by /s/ Ross A. Oliver, Senior Counsel and Chief Compliance Officer</signatureName>
        <signatureDate>2013-06-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
