Business Lists and Databases Available for Marketing and Research - Direct Mailing Emailing Calling
SIC Code 8399-30 - Tax Advocacy
Marketing Level - SIC 6-DigitBusiness Lists and Databases Available for Marketing and Research
Total Verified Companies:
41
Contact Emails:
44
Company Websites:
24
Phone Numbers:
40
Business Addresses:
41
Companies with Email:
26
Reach new customers, connect with decision makers, and grow your business. Pricing from $0.05 to $0.30 per lead.
Last Updated: 04/30/2025
Ideal for: Direct Mailing Email Campaigns Calling Market Research
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Free Sample & Report, Custom Lists, and Expert Support — All Included
About Database:
- Continuously Updated Business Database
- Phone-Verified Twice Annually
- Monthly NCOA Processing via USPS
- Compiled using national directory assistance data, annual reports, SEC filings, corporate registers, public records, new business phone numbers, online information, government registrations, legal filings, telephone verification, self-reported business information, and business directories.
Every purchased list is personally double verified by our Data Team using complex checks and scans.
Looking for more companies? See SIC 8399 - Social Services, Not Elsewhere Classified - 108,109 companies, 590,782 emails.
SIC Code 8399-30 Description (6-Digit)
Tax advocacy is an industry that involves providing legal and financial assistance to individuals and businesses in matters related to taxation. Tax advocates work to ensure that their clients comply with tax laws and regulations while minimizing their tax liabilities. They also represent clients in disputes with tax authorities and provide advice on tax planning and strategy.
Parent Code - Official US OSHA
Official 4‑digit SIC codes serve as the parent classification used for government registrations and OSHA documentation. The marketing-level 6‑digit SIC codes extend these official classifications with refined segmentation for more precise targeting and detailed niche insights. Related industries are listed under the parent code, offering a broader view of the industry landscape. For further details on the official classification for this industry, please visit the OSHA SIC Code 8399 page
Tools
- Tax preparation software
- Accounting software
- Legal research databases
- Financial analysis tools
- Tax planning calculators
- Document management systems
- Electronic signature software
- Communication and collaboration tools
- Data analytics software
- Compliance management software
Industry Examples of Tax Advocacy
- Tax planning and strategy consulting
- Tax dispute resolution services
- Tax compliance and reporting services
- Tax audit representation
- Tax debt relief services
- Tax lien and levy removal services
- Tax return preparation services
- Estate and gift tax planning services
- International tax planning and compliance services
- Sales and use tax consulting services