Weaver
Independent U.S. accounting and advisory firm with corporate tax depth across energy, financial services, real estate and middle-market industries.
weaver.comWeaver was founded in 1950 and provides audit, tax and advisory services to public and private companies, financial institutions, government entities and investment organizations. Its roots and sector depth are especially visible in Texas and the broader U.S. energy market.
Tax capabilities include federal, international, state and local, transaction and industry-specific advice. The firm also supports tax provision, credits and incentives, private equity, real estate and complex organizational structures.
Principal activities
Tax planning, structuring, compliance coordination and support for corporate tax departments.
Cross-border planning, transaction support, transfer pricing and ownership-structure analysis.
Tax accounting, provision support, credits, incentives, indirect tax and technology-enabled processes.
- Typical clients: Corporations, private businesses, investment firms, in-house tax departments, finance leaders and professional advisers.
- Engagement context: Corporate tax planning, cross-border operations, transactions, reporting, indirect tax, credits, incentives and tax-process improvement.
Weaver operates where tax rules interact with corporate structure, capital allocation, transactions, reporting obligations and operating processes. View the firm’s relevant services ↗
Sector and mandate coverage
- Corporate and private businesses
- Technology
- Manufacturing
- Financial services
- Real estate
- Consumer markets
- Corporate tax planning
- International tax
- Transaction tax
- Tax accounting and provision
- State and local tax
- Credits and incentives
The precise scope depends on the taxpayer, jurisdictions, legal entities, ownership structure, transaction perimeter and reporting requirements. Tax advice may require coordination with legal counsel, auditors, valuation specialists, technology providers and local professional firms.
Market position
Weaver is positioned as a national accounting and advisory firm. Its relevance reflects the depth of its tax specialization, corporate-client orientation, technical delivery model and ability to support complex or recurring tax requirements.
Distinctive focus: Independent national tax advice informed by deep energy, financial-services and Southwest market experience.
Competitive context
Weaver competes with tax-led professional-services firms, independent accounting networks, specialist consultancies and tax-technology platforms. The relevant peer set varies by jurisdiction, client size, tax type and whether the mandate requires strategic advice, compliance execution, specialist documentation or software.
Comparable firms are selected according to overlap in business model, client segment, service coverage, geographic activity and mandate profile. Inclusion does not imply an exhaustive competitor set or an equivalence in scale, ranking or market position.
Leadership
| Person | Current position | Institutional background |
|---|---|---|
| John Mackel | Managing Partner and Chief Executive Officer | Firm leadership and national growth |
Leadership information reflects the roles available in the public sources reviewed on 20 August 2026. View current leadership information ↗
Corporate and regulatory information
Weaver and Tidwell, L.L.P. is a certified public accounting firm. Audit, tax and advisory services are subject to the professional requirements applicable to the engagement and jurisdiction.
View registered-entity details
| Principal entity | Weaver and Tidwell, L.L.P. |
| Professional status | Certified public accounting firm |
| Registration identifier | N/A |
| Headquarters | Houston |
| Primary jurisdiction | United States |
Principal offices
- Houston
- Dallas
- Fort Worth
- Austin
- San Antonio
- Denver
- New York
- Los Angeles
Rankings and recognition
Ranking inclusion is editorially determined. The existence or maintenance of a Wiki profile does not influence ranking eligibility, tier or position.
Related institutions and subjects
Sources and data transparency
The following sources were accessed on 20 August 2026:
- Tax Services — corporate tax, specialty tax or tax-technology capabilities.
- Weaver — firm overview, services and institutional information.
- Advisory Ranking — Top 20 Corporate Tax Advisory 2026 inclusion and tier classification.