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Entity Registration: 2025

Registration Information:
Registration Status: Concluded
Authorizing Officer name Joseph Ricca
Title Principal
Business name Dewey Square Group, LLC
Address 100 Cambridge Street    1301
City, state, zip code Boston, MA 02114         
Country US
Phone 617-367-9929 
Employment Information:

Lobbyist Name:  
Jennifer     Manley
First  Middle  Last
Employed By:   Dental Service of Massachusetts, Inc.
Street 1:   c/o 28 Liberty Ship Way
Street 2:   2815
City, State, Zip:   Sausalito CA 94965
Country:   US
Phone:   415-903-2800
Primary Email Address:   deltadental3@politicomlaw.com
Additional Email Addresses:  
Agent Type:   Both
Date of Employment:   01/01/2025
Date of Termination:   07/01/2025

Lobbyist Name:  
Matthew     Mariano
First  Middle  Last
Employed By:   Dewey Square Group, LLC
Street 1:   100 Cambridge Street
Street 2:   1301
City, State, Zip:   Boston MA 02114
Country:   US
Phone:   617-367-9929
Primary Email Address:   matthew.mariano@deweysquare.com
Additional Email Addresses:  
Agent Type:   Both
Date of Employment:   01/01/2025
Date of Termination:  

Lobbyist Name:  
Thomas     McShane
First  Middle  Last
Employed By:   Dewey Square Group, LLC
Street 1:   100 Cambridge Street
Street 2:   1301
City, State, Zip:   Boston MA 02114
Country:   US
Phone:   617-367-9929
Primary Email Address:   tom.mcshane@deweysquare.com
Additional Email Addresses:   matthew.mariano@deweysquare.com
Agent Type:   Both
Date of Employment:   01/01/2025
Date of Termination:   07/01/2025

Lobbyist Name:  
Joseph     Ricca
First  Middle  Last
Employed By:   Dewey Square Group, LLC
Street 1:   100 Cambridge Street
Street 2:   1301
City, State, Zip:   Boston MA 02114
Country:   US
Phone:   617-367-9929
Primary Email Address:   joseph.ricca@deweysquare.com
Additional Email Addresses:   matthew.mariano@deweysquare.com
Agent Type:   Both
Date of Employment:   01/01/2025
Date of Termination:  

Lobbyist Name:  
Brennan     Spencer
First  Middle  Last
Employed By:   Dewey Square Group, LLC
Street 1:   100 Cambridge Street
Street 2:   1301
City, State, Zip:   Boston MA 02114
Country:   US
Phone:   617-367-9929
Primary Email Address:   brennan.spencer@deweysquare.com
Additional Email Addresses:   matthew.mariano@deweysquare.com
Agent Type:   Both
Date of Employment:   01/01/2025
Date of Termination:   06/09/2025

Lobbyist Name:  
Lynda     Tocci
First  Middle  Last
Employed By:   Dewey Square Group, LLC
Street 1:   100 Cambridge Street
Street 2:   1301
City, State, Zip:   Boston MA 02114
Country:   US
Phone:   617-367-9929
Primary Email Address:   lynda.tocci@deweysquare.com
Additional Email Addresses:   matthew.mariano@deweysquare.com
Agent Type:   Both
Date of Employment:   01/01/2025
Date of Termination:  

Lobbyist Name:  
Zachary     Last
First  Middle  Last
Employed By:   Dewey Square Group, LLC
Street 1:   100 Cambridge Street
Street 2:   1301
City, State, Zip:   Boston MA 02114
Country:   US
Phone:   617-367-9929
Primary Email Address:   zachary.last@deweysquare.com
Additional Email Addresses:   matthew.mariano@deweysquare.com
Agent Type:   Both
Date of Employment:   01/01/2025
Date of Termination:  

Lobbyist Name:  
Danielle   L   McCourt
First  Middle  Last
Employed By:   Dewey Square Group
Street 1:   6 Essex Street
Street 2:  
City, State, Zip:   Charlestown MA 02129
Country:   US
Phone:   610-662-7030
Primary Email Address:   dlm@dlmstrategies.com
Additional Email Addresses:   DLM@DLMstrategies.com
Agent Type:   Both
Date of Employment:   08/20/2025
Date of Termination: