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LLC · Hamden, CT

Cornerstone Bookkeeping Services LLC

LLC in Hamden, Connecticut · Document #3234834 · Active

Record reference date: October 18, 2026

Details may be incomplete or outdated. “Not reported” means a usable value is unavailable.

About this record

Cornerstone Bookkeeping Services LLC is an active Connecticut limited liability company filed on June 9, 2025 (document 3234834). Its registered agent is Mandy Gomez.

Registration details

Status
ActiveRecord reference date: October 18, 2026
Entity type
Limited Liability Company
Filed
June 9, 2025Reported filing date
Document number
3234834
Registration jurisdiction
Connecticut
Principal city + ZIP
Hamden, CT 06518
Registered agent
Mandy Gomez
Industry (NAICS)
Other Accounting Services (541219) · null
Address
280 Willow St, Hamden, CT, 06518

Registered agent and officers

Names and roles are reported on filings; matching names do not establish identity or ownership.

Registered agent
Mandy Gomez
Principal
Mandy Gomez

What this status means / annual report due date

Connecticut reports an active registration. This does not by itself establish good standing, licensing, ownership or that the business is currently trading.

Connecticut LLC annual reports are filed January 1 through March 31, starting in the year after registration. Other entity types can have different reporting schedules.

Additional business details

View historical details and available fields

Historical values may differ from the registration summary.

Record reference date: 2026-11-02

Directory details

Names

Legal
Cornerstone Bookkeeping Services LLC

Entity

Type
Limited liability company

Registration

Status
Active
Number
3234834
Citizenship
Domestic
Home Country
US
Formation Place
Connecticut
Home Jurisdiction
CT

Dates

Annual Report Due
2027-03-31
Registration
2025-06-09

Addresses

Business · Street 1
280 Willow St
Business · City
Hamden
Business · Country
US
Business · Postal Code
06518
Business · Region
CT
Mailing · Text
280 Willow St , ,Hamden ,CT ,United States ,06518

Contacts

Business Email
cornerstonebookkeeping.77@gmail.com

Self Reported Characteristics

Woman Owned
Yes
Veteran Owned
No
Minority Owned
Yes
Disability Owned
No
Lgbtqi Owned
No

Industry

Naics Code
Other Accounting Services (541219)

Additional reported values

Other reported details

Id
001eq00000bJURmAAO
Business Type
LLC
Status
Active
Account Number
3234834
Annual Report Due Date
03/31/2027
Citizenship
Domestic
Date Registration
06/09/2025
Formation Place
Connecticut
Woman Owned Organization
true
Veteran Owned Organization
false
Minority Owned Organization
true
Org Owned by Person s with disabilities
false
CREATE DT
2026-11-02 00:12:12.5233333

Names and reported roles

Name
Cornerstone Bookkeeping Services LLC

Addresses and locations

Business Street
280 Willow St
Business City
Hamden
Business Country
United States
Business ZIP
06518
Business State
CT
Country Formation
United States
State or Territory Formation
Connecticut

Mailing information

Business Email Address
cornerstonebookkeeping.77@gmail.com
Mailing Address
280 Willow St , ,Hamden ,CT ,United States ,06518

IRS reported fields and codes

Organization is LGBTQI Owned
false

Industry and classification

NAICS Code
Other Accounting Services (541219)

Record reference date: 2026-10-24

Directory details

Names

Legal
Cornerstone Bookkeeping Services LLC

Entity

Type
Limited liability company

Registration

Status
Active
Number
3234834
Citizenship
Domestic
Home Country
US
Formation Place
Connecticut
Home Jurisdiction
CT

Dates

Annual Report Due
2027-03-31
Registration
2025-06-09

Addresses

Business · Street 1
280 Willow St
Business · City
Hamden
Business · Country
US
Business · Postal Code
06518
Business · Region
CT
Mailing · Text
280 Willow St , ,Hamden ,CT ,United States ,06518

Contacts

Business Email
cornerstonebookkeeping.77@gmail.com

Self Reported Characteristics

Woman Owned
Yes
Veteran Owned
No
Minority Owned
Yes
Disability Owned
No
Lgbtqi Owned
No

Industry

Naics Code
Other Accounting Services (541219)

Additional reported values

Other reported details

Id
001eq00000bJURmAAO
Business Type
LLC
Status
Active
Account Number
3234834
Annual Report Due Date
03/31/2027
Citizenship
Domestic
Date Registration
06/09/2025
Formation Place
Connecticut
Woman Owned Organization
true
Veteran Owned Organization
false
Minority Owned Organization
true
Org Owned by Person s with disabilities
false
CREATE DT
2026-10-24 00:11:55.5800000

Names and reported roles

Name
Cornerstone Bookkeeping Services LLC

Addresses and locations

Business Street
280 Willow St
Business City
Hamden
Business Country
United States
Business ZIP
06518
Business State
CT
Country Formation
United States
State or Territory Formation
Connecticut

Mailing information

Business Email Address
cornerstonebookkeeping.77@gmail.com
Mailing Address
280 Willow St , ,Hamden ,CT ,United States ,06518

IRS reported fields and codes

Organization is LGBTQI Owned
false

Industry and classification

NAICS Code
Other Accounting Services (541219)

Record reference date: 2026-10-23

Directory details

Names

Legal
Cornerstone Bookkeeping Services LLC

Entity

Type
Limited liability company

Registration

Status
Active
Number
3234834
Citizenship
Domestic
Home Country
US
Formation Place
Connecticut
Home Jurisdiction
CT

Dates

Annual Report Due
2027-03-31
Registration
2025-06-09

Addresses

Business · Street 1
280 Willow St
Business · City
Hamden
Business · Country
US
Business · Postal Code
06518
Business · Region
CT
Mailing · Text
280 Willow St , ,Hamden ,CT ,United States ,06518

Contacts

Business Email
cornerstonebookkeeping.77@gmail.com

Self Reported Characteristics

Woman Owned
Yes
Veteran Owned
No
Minority Owned
Yes
Disability Owned
No
Lgbtqi Owned
No

Industry

Naics Code
Other Accounting Services (541219)

Additional reported values

Other reported details

Id
001eq00000bJURmAAO
Business Type
LLC
Status
Active
Account Number
3234834
Annual Report Due Date
03/31/2027
Citizenship
Domestic
Date Registration
06/09/2025
Formation Place
Connecticut
Woman Owned Organization
true
Veteran Owned Organization
false
Minority Owned Organization
true
Org Owned by Person s with disabilities
false
CREATE DT
2026-10-23 00:12:01.1600000

Names and reported roles

Name
Cornerstone Bookkeeping Services LLC

Addresses and locations

Business Street
280 Willow St
Business City
Hamden
Business Country
United States
Business ZIP
06518
Business State
CT
Country Formation
United States
State or Territory Formation
Connecticut

Mailing information

Business Email Address
cornerstonebookkeeping.77@gmail.com
Mailing Address
280 Willow St , ,Hamden ,CT ,United States ,06518

IRS reported fields and codes

Organization is LGBTQI Owned
false

Industry and classification

NAICS Code
Other Accounting Services (541219)

Record reference date: 2026-10-22

Directory details

Names

Legal
Cornerstone Bookkeeping Services LLC

Entity

Type
Limited liability company

Registration

Status
Active
Number
3234834
Citizenship
Domestic
Home Country
US
Formation Place
Connecticut
Home Jurisdiction
CT

Dates

Annual Report Due
2027-03-31
Registration
2025-06-09

Addresses

Business · Street 1
280 Willow St
Business · City
Hamden
Business · Country
US
Business · Postal Code
06518
Business · Region
CT
Mailing · Text
280 Willow St , ,Hamden ,CT ,United States ,06518

Contacts

Business Email
cornerstonebookkeeping.77@gmail.com

Self Reported Characteristics

Woman Owned
Yes
Veteran Owned
No
Minority Owned
Yes
Disability Owned
No
Lgbtqi Owned
No

Industry

Naics Code
Other Accounting Services (541219)

Additional reported values

Other reported details

Id
001eq00000bJURmAAO
Business Type
LLC
Status
Active
Account Number
3234834
Annual Report Due Date
03/31/2027
Citizenship
Domestic
Date Registration
06/09/2025
Formation Place
Connecticut
Woman Owned Organization
true
Veteran Owned Organization
false
Minority Owned Organization
true
Org Owned by Person s with disabilities
false
CREATE DT
2026-10-22 00:12:21.8133333

Names and reported roles

Name
Cornerstone Bookkeeping Services LLC

Addresses and locations

Business Street
280 Willow St
Business City
Hamden
Business Country
United States
Business ZIP
06518
Business State
CT
Country Formation
United States
State or Territory Formation
Connecticut

Mailing information

Business Email Address
cornerstonebookkeeping.77@gmail.com
Mailing Address
280 Willow St , ,Hamden ,CT ,United States ,06518

IRS reported fields and codes

Organization is LGBTQI Owned
false

Industry and classification

NAICS Code
Other Accounting Services (541219)

Record reference date: 2026-10-21

Directory details

Names

Legal
Cornerstone Bookkeeping Services LLC

Entity

Type
Limited liability company

Registration

Status
Active
Number
3234834
Citizenship
Domestic
Home Country
US
Formation Place
Connecticut
Home Jurisdiction
CT

Dates

Annual Report Due
2027-03-31
Registration
2025-06-09

Addresses

Business · Street 1
280 Willow St
Business · City
Hamden
Business · Country
US
Business · Postal Code
06518
Business · Region
CT
Mailing · Text
280 Willow St , ,Hamden ,CT ,United States ,06518

Contacts

Business Email
cornerstonebookkeeping.77@gmail.com

Self Reported Characteristics

Woman Owned
Yes
Veteran Owned
No
Minority Owned
Yes
Disability Owned
No
Lgbtqi Owned
No

Industry

Naics Code
Other Accounting Services (541219)

Additional reported values

Other reported details

Id
001eq00000bJURmAAO
Business Type
LLC
Status
Active
Account Number
3234834
Annual Report Due Date
03/31/2027
Citizenship
Domestic
Date Registration
06/09/2025
Formation Place
Connecticut
Woman Owned Organization
true
Veteran Owned Organization
false
Minority Owned Organization
true
Org Owned by Person s with disabilities
false
CREATE DT
2026-10-21 00:12:20.6533333

Names and reported roles

Name
Cornerstone Bookkeeping Services LLC

Addresses and locations

Business Street
280 Willow St
Business City
Hamden
Business Country
United States
Business ZIP
06518
Business State
CT
Country Formation
United States
State or Territory Formation
Connecticut

Mailing information

Business Email Address
cornerstonebookkeeping.77@gmail.com
Mailing Address
280 Willow St , ,Hamden ,CT ,United States ,06518

IRS reported fields and codes

Organization is LGBTQI Owned
false

Industry and classification

NAICS Code
Other Accounting Services (541219)

Record reference date: 2026-10-20

Directory details

Names

Legal
Cornerstone Bookkeeping Services LLC

Entity

Type
Limited liability company

Registration

Status
Active
Number
3234834
Citizenship
Domestic
Home Country
US
Formation Place
Connecticut
Home Jurisdiction
CT

Dates

Annual Report Due
2027-03-31
Registration
2025-06-09

Addresses

Business · Street 1
280 Willow St
Business · City
Hamden
Business · Country
US
Business · Postal Code
06518
Business · Region
CT
Mailing · Text
280 Willow St , ,Hamden ,CT ,United States ,06518

Contacts

Business Email
cornerstonebookkeeping.77@gmail.com

Self Reported Characteristics

Woman Owned
Yes
Veteran Owned
No
Minority Owned
Yes
Disability Owned
No
Lgbtqi Owned
No

Industry

Naics Code
Other Accounting Services (541219)

Additional reported values

Other reported details

Id
001eq00000bJURmAAO
Business Type
LLC
Status
Active
Account Number
3234834
Annual Report Due Date
03/31/2027
Citizenship
Domestic
Date Registration
06/09/2025
Formation Place
Connecticut
Woman Owned Organization
true
Veteran Owned Organization
false
Minority Owned Organization
true
Org Owned by Person s with disabilities
false
CREATE DT
2026-10-20 00:12:15.8200000

Names and reported roles

Name
Cornerstone Bookkeeping Services LLC

Addresses and locations

Business Street
280 Willow St
Business City
Hamden
Business Country
United States
Business ZIP
06518
Business State
CT
Country Formation
United States
State or Territory Formation
Connecticut

Mailing information

Business Email Address
cornerstonebookkeeping.77@gmail.com
Mailing Address
280 Willow St , ,Hamden ,CT ,United States ,06518

IRS reported fields and codes

Organization is LGBTQI Owned
false

Industry and classification

NAICS Code
Other Accounting Services (541219)

Record reference date: 2026-10-18

Directory details

Names

Legal
Cornerstone Bookkeeping Services LLC

Entity

Type
Limited liability company

Registration

Status
Active
Number
3234834
Citizenship
Domestic
Home Country
US
Formation Place
Connecticut
Home Jurisdiction
CT

Dates

Annual Report Due
2027-03-31
Registration
2025-06-09

Addresses

Business · Street 1
280 Willow St
Business · City
Hamden
Business · Country
US
Business · Postal Code
06518
Business · Region
CT
Mailing · Text
280 Willow St , ,Hamden ,CT ,United States ,06518

Contacts

Business Email
cornerstonebookkeeping.77@gmail.com

Self Reported Characteristics

Woman Owned
Yes
Veteran Owned
No
Minority Owned
Yes
Disability Owned
No
Lgbtqi Owned
No

Industry

Naics Code
Other Accounting Services (541219)

Additional reported values

Other reported details

Id
001eq00000bJURmAAO
Business Type
LLC
Status
Active
Account Number
3234834
Annual Report Due Date
03/31/2027
Citizenship
Domestic
Date Registration
06/09/2025
Formation Place
Connecticut
Woman Owned Organization
true
Veteran Owned Organization
false
Minority Owned Organization
true
Org Owned by Person s with disabilities
false
CREATE DT
2026-10-18 00:12:44.2233333

Names and reported roles

Name
Cornerstone Bookkeeping Services LLC

Addresses and locations

Business Street
280 Willow St
Business City
Hamden
Business Country
United States
Business ZIP
06518
Business State
CT
Country Formation
United States
State or Territory Formation
Connecticut

Mailing information

Business Email Address
cornerstonebookkeeping.77@gmail.com
Mailing Address
280 Willow St , ,Hamden ,CT ,United States ,06518

IRS reported fields and codes

Organization is LGBTQI Owned
false

Industry and classification

NAICS Code
Other Accounting Services (541219)

Download directory record (JSON)

All retained directory fields

Other reported details

Id
15389049
Slug
cornerstone-bookkeeping-services-llc-3234834
Entity type
Limited Liability Company
Entity class
llc
Is foreign
0
Registry
CT
Doc number
3234834
Filed on
2025-06-09
Status
Active
Is active
1
Domicile
CT
Status known
1
Observed at
2026-10-18T19:49:17.610236+00:00

Addresses and locations

State
CT
City slug
hamden
Address
280 Willow St, Hamden, CT, 06518
Zip
06518
Location state
CT

Names and reported roles

Name
Cornerstone Bookkeeping Services LLC
City name
Hamden

Industry and classification

Naics code
Other Accounting Services (541219)

Additional Connecticut registry details

Linked through the registry’s business ID. Agents and principals are reported roles and do not establish beneficial ownership. Contact and residence addresses are labeled as reported.

Record reference date: 2026-10-18.

Registered and alternate business names

Roles are shown as reported. Agents, officers and principals are not automatically owners.

Business names

Registered name
Cornerstone Bookkeeping Services LLC

Complete business master fields

Other reported details

Id
001eq00000bJURmAAO
Business Type
LLC
Status
Active
Account Number
3234834
Annual Report Due Date
03/31/2027
Citizenship
Domestic
Date Registration
06/09/2025
Formation Place
Connecticut
Woman Owned Organization
true
Veteran Owned Organization
false
Minority Owned Organization
true
Org Owned by Person s with disabilities
false
CREATE DT
2026-10-18 00:12:44.2233333

Names and reported roles

Name
Cornerstone Bookkeeping Services LLC

Addresses and locations

Business Street
280 Willow St
Business City
Hamden
Business Country
United States
Business ZIP
06518
Business State
CT
Country Formation
United States
State or Territory Formation
Connecticut

Mailing information

Business Email Address
cornerstonebookkeeping.77@gmail.com
Mailing Address
280 Willow St , ,Hamden ,CT ,United States ,06518

IRS reported fields and codes

Organization is LGBTQI Owned
false

Industry and classification

NAICS Code
Other Accounting Services (541219)

Registered agents (1)

Reported name and role

Roles are shown as reported. Agents, officers and principals are not automatically owners.

Registered agents

Registered agent
Mandy GomezFind records reporting this name →

Parsed registry details

Parties

Reported · Source Type
Individual
Reported · Name
Mandy Gomez
Reported · Given Name
Mandy
Reported · Family Name
Gomez

Contacts

Agent Phone
4753008236
Agent Email
mandyguti20@gmail.com

Addresses

Business · Text
280 Willow St, Hamden, CT, 06518, United States
Business · Street 1
280 Willow St
Business · City
Hamden
Business · Region
CT
Business · Postal Code
06518
Business · Country
US
Mailing · Text
280 Willow St, Hamden, CT, 06518, United States
Mailing · Street 1
280 Willow St
Mailing · City
Hamden
Mailing · Postal Code
06518
Mailing · Region
CT
Mailing · Country
US
Residence · Street 2
280 Willow St
Residence · City
Hamden
Residence · Region
CT
Residence · Postal Code
06518
Residence · Country
US

Mandy Gomez

Other reported details

Business ID
001eq00000bJURmAAO
Reported type
Individual
Record timestamp
2026-10-18 00:30:21.7600000

Names and reported roles

Reported name
Mandy Gomez
Firstname
Mandy
Lastname
Gomez

Registered agent information

Registered agent phone
4753008236
Registered agent email
mandyguti20@gmail.com

Addresses and locations

Business address
280 Willow St, Hamden, CT, 06518, United States
Business street address 1
280 Willow St
Business city
Hamden
Business state
CT
Business zip code
06518
Business country
United States

Mailing information

Mailing address
280 Willow St, Hamden, CT, 06518, United States
Mailing street address 1
280 Willow St
Mailing city
Hamden
Mailing zip code
06518
Mailing state
CT
Mailing country
United States

Reported residence addresses

Residence street address 1
280 Willow St
Residence city
Hamden
Residence state
CT
Residence zip code
06518
Residence country
United States

Showing 1–1 of 1.

Principals (1)

Reported name and role

Roles are shown as reported. Agents, officers and principals are not automatically owners.

Principals and members

Parsed registry details

Parties

Reported · Name
Mandy Gomez
Reported · Given Name
Mandy
Reported · Family Name
Gomez

Addresses

Business · Street 1
280 Willow St
Business · City
Hamden
Business · Region
CT
Business · Postal Code
06518
Business · Country
US
Residence · Text
280 Willow St, Hamden, CT, 06518-1317, United States
Residence · Street 2
280 Willow St
Residence · City
Hamden
Residence · Region
CT
Residence · Postal Code
06518-1317
Residence · Country
US

Mandy Gomez

Other reported details

Business ID
001eq00000bJURmAAO
Record timestamp
2026-10-18 00:39:50.3100000

Names and reported roles

Reported name
Mandy Gomez
Firstname
Mandy
Lastname
Gomez

Addresses and locations

Business street address 1
280 Willow St
Business city
Hamden
Business state
CT
Business zip code
06518
Business country
United States

Reported residence addresses

Residence address
280 Willow St, Hamden, CT, 06518-1317, United States
Residence street address 1
280 Willow St
Residence city
Hamden
Residence state
CT
Residence zip code
06518-1317
Residence country
United States

Showing 1–1 of 1.

Filing history (2)

Parsed registry details

Filing

Name
BF-0013709122
Source Type
Annual Report
Type
Annual Report
Physical Filing
No

Dates

Filing
2026-01-28

BF-0013709122 · 2026-01-28

Other reported details

Business ID
001eq00000bJURmAAO
Filing date
2026-01-28T00:00:00.000
Reported type
Annual Report
Filing type
Annual Report
Physical filing
false
Record timestamp
2026-10-01T00:00:00.000

Names and reported roles

Name
BF-0013709122

Parsed registry details

Filing

Name
BF-0013469700
Source Type
Business Formation
Type
Certificate of Organization
Physical Filing
No

Dates

Filing
2025-06-09

BF-0013469700 · 2025-06-09

Other reported details

Business ID
001eq00000bJURmAAO
Filing date
2025-06-09T00:00:00.000
Reported type
Business Formation
Filing type
Certificate of Organization
Physical filing
false
Record timestamp
2026-10-01T00:00:00.000

Names and reported roles

Name
BF-0013469700

Showing 1–2 of 2.

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