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What We Offer

Expert Indirect Tax Services,
From Strategy to Execution

Every engagement is delivered personally by Cynthia Johnson — not delegated to junior staff. Senior expertise on every engagement, every time.

Core Services

Full-spectrum indirect tax advisory

Indirect Tax Advisory
Forward-looking indirect tax strategy aligned to your business goals and operating environment. Identifying opportunities to minimize tax liability, reduce compliance risk, and improve tax efficiency across multistate and multinational operations. Covers U.S. sales and use tax, gross receipts tax, motor fuel, jet fuel, excise tax, Canadian GST/HST, and SaaS taxability.
Includes
Tax Technology Strategy & Implementation
Assessment, planning, and hands-on implementation support for enterprise tax platforms. Includes tax determination design, testing, validation, and production readiness. Deep expertise in Avalara and ONESOURCE. Advisory on SAP tax configuration and integration.
Platforms
ERP Tax Workstreams
End-to-end tax workstream management within ERP transformation projects. Tax risk assessment, requirements documentation, UAT coordination, and go-live readiness validation to ensure zero tax-related implementation failures. Proven track record of successful SAP go-lives with no tax determination errors.
Includes
Audit Defense
Comprehensive audit strategy, documentation governance framework, data validation controls, and audit support protocols designed to preserve 100% of legitimately earned tax credits and exemptions. Proven results across IRS examinations, state sales tax audits, and excise tax reviews.
Includes
Exemption Certificate Governance
Design and implementation of certificate lifecycle management processes, CertCapture configuration, and vendor/customer certificate compliance protocols. Reduces audit exposure and ensures certificates are current, complete, and defensible.
Includes
Compliance Process Optimization
Review and redesign of tax compliance workflows, reporting processes, and internal controls to reduce manual effort, eliminate errors, and support scalable, continuous compliance operations. Documented results include reducing compliance preparation hours by 60% and provider costs by 58%.
Includes
Fractional Indirect Tax Leadership
Executive indirect tax leadership on a flexible engagement model. Serves as interim Head of Indirect Tax, fractional Director of Tax, or senior tax function lead for organizations that need executive-level expertise without a full-time hire. Available on a project, hourly, or monthly retainer basis.
Engagement types
Tax Engine Governance
Determination logic design, testing scenario development, production rule implementation, and ongoing governance for tax engines. Ensures tax determination accuracy across all product lines, jurisdictions, and transaction types as your business evolves.
Includes
Engagement Models

Flexible engagements built
around your needs

Every engagement is structured to fit your specific situation, timeline, and budget. We work on a project, hourly, or monthly retainer basis — whichever model serves you best.

Project-Based
Fixed-scope engagements with defined deliverables, timelines, and outcomes. Ideal for assessments, implementations, audit defense, and transformation projects.
Hourly Consulting
Flexible expert advisory billed by the hour. Ideal for research, technical questions, audit support, and advisory engagements where scope may evolve.
Monthly Retainer
Ongoing fractional leadership and advisory on a monthly basis. Ideal for organizations that need consistent senior indirect tax expertise without a full-time hire.
Implementation Support
Dedicated support for ERP transformations, tax engine implementations, and technology go-lives requiring hands-on senior tax expertise throughout the project lifecycle.
Get Started
Let's discuss your engagement
Every engagement starts with a conversation. Contact us to discuss your specific needs and we will structure the right solution for your organization.
Schedule a Consultation →