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

    <schemaVersion>X0708</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001982980</cik>
        <entityName>Colliers Engineering &amp; Design, Inc.</entityName>
        <issuerAddress>
            <street1>101 CRAWFORDS CORNER ROAD</street1>
            <street2>SUITE 3400</street2>
            <city>HOLMDEL</city>
            <stateOrCountry>NJ</stateOrCountry>
            <stateOrCountryDescription>NEW JERSEY</stateOrCountryDescription>
            <zipCode>07733</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>(877) 627-3772</issuerPhoneNumber>
        <jurisdictionOfInc>NEW JERSEY</jurisdictionOfInc>
        <issuerPreviousNameList>
            <previousName>Maser Consulting P.A.</previousName>
            <previousName>Maser Consulting Inc.</previousName>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Kevin</firstName>
                <lastName>Haney</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>101 Crawfords Corner Road</street1>
                <street2>Suite 3400</street2>
                <city>Holmdel</city>
                <stateOrCountry>NJ</stateOrCountry>
                <stateOrCountryDescription>NEW JERSEY</stateOrCountryDescription>
                <zipCode>07733</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Leonardo</firstName>
                <lastName>Ponzio</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>101 Crawfords Corner Road</street1>
                <street2>Suite 3400</street2>
                <city>Holmdel</city>
                <stateOrCountry>NJ</stateOrCountry>
                <stateOrCountryDescription>NEW JERSEY</stateOrCountryDescription>
                <zipCode>07733</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Elias</firstName>
                <lastName>Mulamoottil</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>101 Crawfords Corner Road</street1>
                <street2>Suite 3400</street2>
                <city>Holmdel</city>
                <stateOrCountry>NJ</stateOrCountry>
                <stateOrCountryDescription>NEW JERSEY</stateOrCountryDescription>
                <zipCode>07733</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Matthew</firstName>
                <lastName>Hawkins</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>101 Crawfords Corner Road</street1>
                <street2>Suite 3400</street2>
                <city>Holmdel</city>
                <stateOrCountry>NJ</stateOrCountry>
                <stateOrCountryDescription>NEW JERSEY</stateOrCountryDescription>
                <zipCode>07733</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>George</firstName>
                <middleName>L.</middleName>
                <lastName>Schwab IV</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>101 Crawfords Corner Road</street1>
                <street2>Suite 3400</street2>
                <city>Holmdel</city>
                <stateOrCountry>NJ</stateOrCountry>
                <stateOrCountryDescription>NEW JERSEY</stateOrCountryDescription>
                <zipCode>07733</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Brian</firstName>
                <middleName>E.</middleName>
                <lastName>Curtis</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>101 Crawfords Corner Road</street1>
                <street2>Suite 3400</street2>
                <city>Holmdel</city>
                <stateOrCountry>NJ</stateOrCountry>
                <stateOrCountryDescription>NEW JERSEY</stateOrCountryDescription>
                <zipCode>07733</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2023-05-05</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>true</isBusinessCombinationTransaction>
            <clarificationOfResponse>In connection with its acquisition of HilgartWilson, LLC.</clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>50112</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>16955994</totalOfferingAmount>
            <totalAmountSold>16955994</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>11</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Colliers Engineering &amp; Design, Inc.</issuerName>
                <signatureName>Brian E. Curtis</signatureName>
                <nameOfSigner>Brian E. Curtis</nameOfSigner>
                <signatureTitle>Vice President, General Counsel and Corporate Secretary</signatureTitle>
                <signatureDate>2023-07-13</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
