    <SEC-DOCUMENT>0001213900-23-046270-index.html : 20230606
    <SEC-HEADER>0001213900-23-046270.hdr.sgml : 20230606
    <ACCEPTANCE-DATETIME>20230606102351
    ACCESSION NUMBER:		0001213900-23-046270
    CONFORMED SUBMISSION TYPE:	PREM14A
    PUBLIC DOCUMENT COUNT:		17
    CONFORMED PERIOD OF REPORT:	20230605
    FILED AS OF DATE:		20230605
    DATE AS OF CHANGE:		20230606

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SeqLL, Inc.
    		CENTRAL INDEX KEY:			0001605888
    		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
    		IRS NUMBER:				465319744
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		PREM14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-40760
    		FILM NUMBER:		23995140

    	BUSINESS ADDRESS:
    		STREET 1:		317 NEW BOSTON STREET
    		STREET 2:		SUITE 210
    		CITY:			WOBURN
    		STATE:			MA
    		ZIP:			01801
    		BUSINESS PHONE:		(781) 817-3755

    	MAIL ADDRESS:
    		STREET 1:		317 NEW BOSTON STREET
    		STREET 2:		SUITE 210
    		CITY:			WOBURN
    		STATE:			MA
    		ZIP:			01801
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>PREM14A
    <SEQUENCE>1
    <FILENAME>prem14a0523_seqllinc.htm
    <DESCRIPTION>PROXY STATEMENT
    <TEXT>
    Document 1 - file: prem14a0523_seqllinc.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-FILING FEES
    <SEQUENCE>2
    <FILENAME>prem14a0523ex-fee_seqllinc.htm
    <DESCRIPTION>FILING FEE TABLE
    <TEXT>
    Document 2 - file: prem14a0523ex-fee_seqllinc.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>timage_001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: timage_001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>timage_002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: timage_002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>timage_003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: timage_003.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>timage_004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: timage_004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>timage_005.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: timage_005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>timage_006.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: timage_006.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>timage_007.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: timage_007.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>timage_008.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: timage_008.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>timage_009.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: timage_009.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>timage_010.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: timage_010.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>timage_011.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: timage_011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>timage_012.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: timage_012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>tmap_001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: tmap_001.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>tproxy_001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: tproxy_001.jpg

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    <DOCUMENT>
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    <SEQUENCE>17
    <FILENAME>tproxy_002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: tproxy_002.jpg

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