Delaware Secretary Of State Office

We provide information for the Delaware SOS office below. If you need assistance, then use the information listed on this page to contact the Delaware Secretary of State Office. If you are looking to start a business and want to see if the business name is available, then view how to use the Delaware business entity and corporation search page.

Entity Formation Fees For Delaware

Below we list the fees to file articles of organization to form a business entity in Delaware.

LLC Business Corporation Nonprofit
$90 + optional $50-$1000 expedite fee $89 + $9 for extra pages + optional $50-$1000 expedite fee $89 + $9 for extra pages + optional $50-$1000 expedite fee

Delaware State Licensing Agencies

Below is a listing of the state-level licensing agencies within Delaware that a business should check for business license requirements.

Licensing Agency Contact Information
Association of Professional Engineers Physical address:
92 Read"s Way, Suite 208
New Castle, DE 19720

Phone: 302-323-4588
Fax: 302-323-4590

Web: Home Name search
Email: office@dape.org
Board of Landscape Architecture Web: Home
Department of Finance - Division of Revenue Physical address:
Carvel State Office Building, 820 North French Street
Wilmington, DE 19801

Phone: 302-577-8200
Fax: 302-577-8202

Web: Home
Department of Finance - Division of Revenue Phone: 302-577-8445

Web: Home
Email: michael.x.smith@state.de.us
Department of Insurance Physical address:
841 Silver Lake Blvd.
Dover, DE 19904

Phone: (302) 674-7353

Web: Home
Email: consumer@state.de.us
Department of Labor Mailing address:
4425 North Market Street
Wilmington, DE 19802

Phone: (302) 761-8001

Web: Home
Department of Labor - Division of Unemployment Insurance Physical address:
4425 North Market Street
Wilmington, DE 19802

Phone: (302) 761-8446

Web: Home
Department of Safety and Homeland Security Phone: (302) 744-2680
Fax: (302) 739-4874

Web: Home
Department of State - Division of Corporations Physical address:
John G. Townsend Bldg., 401 Federal Street, Suite 4
Dover, DE 19901

Mailing address:
Division of Corporations, PO Box 898
Dover, DE 19903

Phone: 302-739-3073
Fax: 302-739-3812 or 302-739-3813

Web: Home Name search Forms File online
Email: corp@delaware.gov
Division of Professional Regulation - Board of Charitable Gaming Phone: (302) 744-4500
Fax: (302) 739-2711

Web: Home
Email: customerservice.dpr@state.de.us
Division of Professional Regulation - Council on Real Estate Appraisers Mailing address:
Cannon Building, Suite 203, 861 Silver Lake Blvd.
Dover, DE 19904

Phone: (302) 744-4500
Fax: (302) 739-2711

Web: Home Name search Forms
Email: customerservice.dpr@state.de.us
Division of Professional Regulation - Real Estate Commission Mailing address:
Cannon Building, Suite 203, 861 Silver Lake Blvd.
Dover, DE 19904

Phone: (302) 744-4500
Fax: (302) 739-2711

Web: Home
Email: customerservice.dpr@state.de.us
Division of Professional Regulation: Board of Architects Physical address:
861 Silver Lake Boulevard, Suite 203
Dover, DE 19904-2467

Phone: 302-744-4500

Web: Home Name search
Email: customerservice.dpr@state.de.us
Division of Professional Regulation: Board of Land Surveyors Mailing address:
Cannon Building, Suite 203, 861 Silver Lake Blvd.
Dover, Delaware 19904

Phone: 302-744-4500
Fax: 302-739-2711

Web: Home
Email: customerservice.dpr@state.de.us
Division of Revenue (Charities info) Mailing address:
820 N. French Street
Wilmington, DE 19801

Phone: 302.577.8205

Web: Home
Office of the Alcoholic Beverage Control Commissioner (O.A.B.C.C.) Physical address:
Carvel State Office Building, 3rd Floor, 820 N. French Street
Wilmington, DE 19801

Phone: 302/577-5222
Fax: 302/577-3204

Web: Home Forms File online
Public Service Commission Physical address:
861 Silver Lake Boulevard, Cannon Building Suite 100
Dover, DE 19904

Phone: (302)736-7500
Fax: (302)739-4849

Web: Home Name search
State Board of Accountancy Physical address:
Cannon Building, Suite 203, 861 Silver Lake Blvd.
Dover, DE 19904

Phone: 302-744-4500
Fax: 302-739-2711

Web: Home Name search Forms
Email: customerservice.dpr@state.de.us
State Board of Pharmacy Physical address:
861 Silver Lake Blvd, Suite 203
Dover, DE 19904

Phone: 302-744-4500
Fax: 302-739-2711

Web: Home Name search Forms
Email: customerservice.dpr@state.de.us
  • SOS Office Location

    Delaware Department of State - Division of Corporations
    PO Box 898
    Dover, DE 19903

  • SOS Office Phone Number

    The Delaware SOS office phone number is 302-739-3073. You can fax this location at 302-739-3812 or 302-739-3813.

  • SOS State Website

    To view the Delaware SOS website, please click here.

Map of Delaware Department of State - Division of Corporations