Completing Vendor Registration in COMMBUYS~1.pdf

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Completing Vendor Registration in

COMMBUYS

Operational Services Division

This Job Aid shows how to complete the Vendor registration process in

COMMBUYS.

Overview

Launching COMMBUYS

Registration

Completing the Company Information Tab

Completing the Administrator Tab

Completing the Address Tab

Reviewing the Terms Tab

Completing the Categories and Certifications Tab

Completing the Commodity/Service Codes Tab

Reviewing the Summary Tab

Completing Registration

Changing Temporary Password

Next Steps

Contact

4/10/26, 10:54 AM Completing Vendor Registration in COMMBUYS | Mass.gov https://www.mass.gov/info-details/completing-vendor-registration-in-commbuys 1/6 https://www.mass.gov/ https://www.mass.gov/orgs/operational-services-division

Vendors must register in order to receive notifications about bid opportunities, submit quotes, receive bid awards, or be issued Purchase Orders through

COMMBUYS. Vendor accounts specify a Seller Administrator who will maintain vendor business information in COMMBUYS.

1. Launch COMMBUYS (https://www.commbuys.com/bso/)

2. Select Supplier Registration

1. Select the Tax ID type for your company (Employer Identification Number [EIN] or Social Security Number [SSN])

2. Enter the 'Tax ID,' 'Company Name,' 'Email Address,' and 'Country'

3. Select Register

COMMBUYS is a tab-based system. The following tabs need to be completed during registration: Company Information, Administrator, Address, Terms, Categories and Certifications, Commodity/Service Codes, Summary.

1. Complete the Company Information tab. Fields marked by an asterisk (*) are required. Confirm Tax ID, Company Name, and Email Address

2. Enter a brief description in the 'Business Description' field

3. Select Save and Continue Registration

1. Complete the Administrator tab. Fields marked by an asterisk (*) are required

a. Type your Login ID. This is your username and will not be editable after registration

Overview

Launching COMMBUYS

Registration

Completing the Company Information Tab

Completing the Administrator Tab

4/10/26, 10:54 AM Completing Vendor Registration in COMMBUYS | Mass.gov https://www.mass.gov/info-details/completing-vendor-registration-in-commbuys 2/6 https://www.commbuys.com/bso/

b. The Login Question and Login Answer are used for resetting forgotten

Login credentials

2. Select Save and Continue Registration

a. An email notification will be sent to the email address entered here including the Login ID and a temporary password

1. Verify the Address tab fields and edit if necessary

a. This information will be connected to your company profile published on

COMMBUYS

2. Select Continue Registration

1. Select Continue Registration

The following tab includes mandatory, optional, and supplier diversity categories.

The Supplier Diversity Office (SDO) is responsible for updating certification statuses. Explore SDO Certifications (/orgs/supplier-diversity-office-sdo?

_gl=1%2As8sfws%2A_ga%2AMTU4OTcyMDMyMy4xNzYyMTg0OTQy%2A_ga_MCLPEGW7WM%2AczE3NjI yODA5ODEkbzEkZzAkdDE3NjIyODA5ODEkajYwJGwwJGgw).

1. Mandatory categories:

a. Select the checkbox that best describes your Business Structure

b. Select the ‘Yes’ checkbox in the Agreement and Terms of Use for Sellers category

c. Select the checkbox that best describes your Business Type

2. Select Save and Continue Registration

Completing the Address Tab

Reviewing the Terms Tab

Completing the Categories and Certifications Tab

Completing the Commodity/Service Codes Tab

4/10/26, 10:54 AM Completing Vendor Registration in COMMBUYS | Mass.gov https://www.mass.gov/info-details/completing-vendor-registration-in-commbuys 3/6 https://www.mass.gov/orgs/supplier-diversity-office-sdo?_gl=1%2As8sfws%2A_ga%2AMTU4OTcyMDMyMy4xNzYyMTg0OTQy%2A_ga_MCLPEGW7WM%2AczE3NjIyODA5ODEkbzEkZzAkdDE3NjIyODA5ODEkajYwJGwwJGgw https://www.mass.gov/orgs/supplier-diversity-office-sdo?_gl=1%2As8sfws%2A_ga%2AMTU4OTcyMDMyMy4xNzYyMTg0OTQy%2A_ga_MCLPEGW7WM%2AczE3NjIyODA5ODEkbzEkZzAkdDE3NjIyODA5ODEkajYwJGwwJGgw https://www.mass.gov/orgs/supplier-diversity-office-sdo?_gl=1%2As8sfws%2A_ga%2AMTU4OTcyMDMyMy4xNzYyMTg0OTQy%2A_ga_MCLPEGW7WM%2AczE3NjIyODA5ODEkbzEkZzAkdDE3NjIyODA5ODEkajYwJGwwJGgw

The United Nations Standard Product and Service Codes (UNSPSC) support categorization of goods and services in COMMBUYS for both buyers and businesses. At least one code is needed to register; additional codes may be added later.

1. Use the UNSPSC Keyword field or the UNSPSC Segment-Family and UNSPSC

Class dropdown menus to add codes to your Vendor Profile. For more information on how to search for UNSPSCs, refer to the Maintain UNSPSC Job

Aid

2. Select the codes relevant to your business

3. Select Save and Add More to search for additional codes

4. Select Save and Continue Registration

1. Review the Summary tab information for accuracy

a. To correct any information, return to the appropriate tab, modify, and save changes

b. Return to the Summary tab

2. Select Complete Registration

1. Select OK on the pop-up message to be redirected to the COMMBUYS landing page

2. Open the confirmation email with account information and your login credentials, including a temporary password

3. Copy the temporary password

4. Select Sign In on the COMMBUYS landing page

5. Enter the Login ID and temporary password

6. Select Sign In

Reviewing the Summary Tab

Completing Registration

4/10/26, 10:54 AM Completing Vendor Registration in COMMBUYS | Mass.gov https://www.mass.gov/info-details/completing-vendor-registration-in-commbuys 4/6

1. Paste the temporary password into the 'Current Password' field

2. Type your new password in the 'New Password' field

3. Type your new password in the 'Confirm New Password' field

4. Select Submit

It is recommended to add multiple users to your COMMBUYS Vendor Account.

Refer to the Maintain and Add Users to COMMBUYS Vendor Account (/doc/maintain-and-add-users-to-commbuys-vendor-account/download) Job Aid for guidance.

Changing Temporary Password

Next Steps

Contact

OSD Help Desk

Online

OSDHelpDesk@mass.gov

Phone

888-627-8283

Available Monday through Friday, 8:00 a.m. - 5:00 p.m.

Training Contact Information

Online

OSDTraining@mass.gov

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State Organizations (/massachusetts-state-organizations)

© 2026 Commonwealth of Massachusetts.

Mass.gov® is a registered service mark of the Commonwealth of Massachusetts.

RELATED

OSD Vendor Training (/osd-vendor-training)

Job Aids for Vendors Using COMMBUYS (/lists/job-aids-for-vendors-using-commbuys)

Phone

Main (617) 720-3300

Open M-F 9am-5pm

TTY Line (617) 727-2716

Fax

Fax (617) 727-4527

Address

One Ashburton Place, Room 1608, Boston, MA 02108-1552

Directions (https://maps.google.com/?

q=One+Ashburton+Place%2C+Room+1608%2C+Boston%2C+MA+02108-1552)

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