<SEC-DOCUMENT>0000899243-20-026440.txt : 20200928
<SEC-HEADER>0000899243-20-026440.hdr.sgml : 20200928
<ACCEPTANCE-DATETIME>20200928215819
ACCESSION NUMBER:		0000899243-20-026440
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200923
FILED AS OF DATE:		20200928
DATE AS OF CHANGE:		20200928

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SIEMENS AG
		CENTRAL INDEX KEY:			0000940418
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 8880 [8880]

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39548
		FILM NUMBER:		201205930

	BUSINESS ADDRESS:	
		STREET 1:		1 CHASE MANHATTAN PLAZA
		STREET 2:		CHASE MANHATTAN BANK
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10018

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Siemens International Holding B.V.
		CENTRAL INDEX KEY:			0001826254
		STATE OF INCORPORATION:			P7
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39548
		FILM NUMBER:		201205931

	BUSINESS ADDRESS:	
		STREET 1:		C/O SIEMENS CORPORATION
		STREET 2:		527 MADISON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		(732) 589-8142

	MAIL ADDRESS:	
		STREET 1:		C/O SIEMENS CORPORATION
		STREET 2:		527 MADISON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BENTLEY SYSTEMS INC
		CENTRAL INDEX KEY:			0001031308
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				953936623
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		690 PENNSYLVANIA DR
		CITY:			EXTON
		STATE:			PA
		ZIP:			19341
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2020-09-23</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001031308</issuerCik>
        <issuerName>BENTLEY SYSTEMS INC</issuerName>
        <issuerTradingSymbol>BSY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000940418</rptOwnerCik>
            <rptOwnerName>SIEMENS AG</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>WERNER VON SIEMENS STR. 50</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>91052 ERLANGEN</rptOwnerCity>
            <rptOwnerState>2M</rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription>GERMANY</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001826254</rptOwnerCik>
            <rptOwnerName>Siemens International Holding B.V.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SIEMENS AG</rptOwnerStreet1>
            <rptOwnerStreet2>WERNER VON SIEMENS STR. 50</rptOwnerStreet2>
            <rptOwnerCity>91052 ERLANGE</rptOwnerCity>
            <rptOwnerState>2M</rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription>GERMANY</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>35569645</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The securities are held of record by Siemens International Holding B.V. (&quot;Siemens B.V.&quot;).  Siemens AG is the indirect parent of Siemens B.V. and may be deemed to beneficially own the shares held of record by Siemens B.V.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Siemens AG, By: /s/ Christian A. Bleiweiss, Name: Christian A. Bleiweiss, Title: Chief Counsel M&amp;A, By: /s/ Yves Metzner, Name: Yves Metzner, Title: SVP M&amp;A</signatureName>
        <signatureDate>2020-09-23</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Siemens International Holding B.V., By: /s/ H. Werner, Name: H. Werner, Title: Managing Director, By: /s/ I.A. Hus-Morawska, Name: I.A. Hus-Morawska, Title: Managing Director</signatureName>
        <signatureDate>2020-09-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
