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Tax Advisory  ·  Accounting  ·  Consulting

Your Business. Our Strategy. Better Outcomes.

Strategic tax planning, expert accounting and business advisory.

New PartnershipProvantage is the Official Accounting Partner of Send, Inc., a private cryptocurrency walletVisit Send.it →

Strategy That Moves
Your Business Forward

We bring together tax planning, accounting and advisory under one roof — so every decision is informed, every dollar is optimized, and nothing falls through the cracks.

The Team Behind Your Team

Provantage is a full-service tax advisory and accounting firm built to serve as an extension of your business. We handle the planning, the compliance and the financial oversight — giving you the freedom to focus on growth.

From tax diagnostics and optimization reports to controller-level accounting and strategic consulting, our team delivers the expertise and execution that high-performing businesses demand.

Single Point of Contact

One team manages everything — from tax planning to bookkeeping to compliance.

Proactive Tax Strategy

We don’t wait for tax season. We plan year-round to minimize liability and maximize savings.

Built for Growth

Whether you’re scaling, acquiring, or restructuring — we build the financial roadmap to get you there.

“Understanding you is our ethos. Creativity, diligence, and assertion drive our approach.”

The People Behind
Provantage

A team of advisors, accountants and strategists dedicated to helping you keep more of your money.

Bill Barth

Advisory

Jonathan Whitmore

Advisory

Michael Rosenburg

Advisory

George Boudaghians

Accounting

Kelly Petrovich

Accounting

Michelle Hayes

Accounting

Ashley Macamay

Accounting

Steven Morales

Accounting

Rylee Fagan

Client Engagement

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Michael Collins

Client Engagement

Victoria Barth

Operations

Greg Zschaschel

Operations

Comprehensive Solutions,
One Trusted Firm

From tax advisory to crypto accounting to full business management — we deliver the strategy, execution and oversight your business needs.

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Tax Advisory

Proactive tax planning strategies designed to minimize liability and maximize savings. We build the plans — from high-level diagnostics to full optimization reports with implementation instructions for your bookkeepers.

Tax PlanningTax Diagnostic ReportsTax Optimization PlansPre-Audit PreparationPOA ManagementQuarterly Reviews

Accounting

Real-time clarity and controller-level services that empower smarter decisions. From monthly bookkeeping to CFO-level oversight, we manage the full financial back-office.

Monthly BookkeepingPayroll ProcessingW-2 / 1099 e-FilingController & CFO ServicesRetirement ContributionsFinancial ReportingAccounts PayableAccounts Receivable

Crypto & Web3

Full-service accounting and financial management for crypto startups, Web3 development companies and digital asset operations — from on-chain accounting to treasury auditing.

On-Chain AccountingMulti-Sig ManagementDeFi / Liquidity PoolsTreasury ManagementNative Token MgmtCrypto Treasury Auditing

Consulting

Strategic advisory on business investments, expansion, acquisition and risk analysis. We also provide domestic and offshore entity formation and specialized accounting support for divorce proceedings and prenuptial agreements.

Business Investment AdvisoryExpansion & AcquisitionRisk AnalysisEntity FormationOffshore StructuringMoore-Marsden AnalysisPrenup / Postnup Support

Sports & Entertainment

Full business management and administrative services for professional athletes, actors and entertainers — managing the financial complexity that comes with high-profile careers.

Full Business ManagementAdministrative ManagementFinancial OversightTax StrategyCash Flow ManagementInvestment ManagementIntellectual Property (NIL) ProtectionAccountingPayrollRisk Management
By Invitation

Private Client Services

An exclusive, white-glove advisory experience for high-net-worth individuals and businesses. Your dedicated advisor becomes a permanent extension of your team — available year-round on retainer.

$10M+ Net Worth Minimum$1M+ Annual RevenueDedicated AdvisorAnnual Retainer

Deep Expertise Across
Key Sectors

Every industry has its own tax landscape, compliance requirements, and financial complexities. We bring specialized knowledge to each one.

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Construction

Job costing, contractor compliance and tax strategy for builders and general contractors.

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Consumer & Industrial

Cost accounting, inventory valuation, supply chain finance, and R&D tax credits for manufacturers and consumer brands.

Cryptocurrency

On-chain accounting, DeFi reporting, token management, and regulatory compliance for digital asset companies.

Dealerships

Floor plan accounting, inventory management, sales tax compliance and financial reporting for marine, auto and powersports dealers.

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Education

Fund accounting, grant compliance, tax-exempt reporting, and financial management for educational institutions.

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Financial Services

Regulatory compliance, fund accounting and tax advisory for investment firms, lenders and financial institutions.

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Food & Beverage

Restaurant accounting, tip reporting, cost controls, and franchise financial management.

Healthcare

Practice accounting, physician tax planning and compliance for medical professionals and groups.

Law

Tax planning and accounting for law firms, solo practitioners, and legal partnerships.

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Real Estate

Investment structuring, 1031 exchanges, cost segregation, and property management accounting.

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Technology

R&D credits, SaaS revenue recognition, startup accounting, and equity compensation planning for tech companies.

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Entertainment

Business management, royalty accounting, tour finance and tax strategy for artists, athletes and entertainment professionals.

Built Around How
Business Actually Works

We don’t just file your taxes. We build the strategy, manage the execution and coordinate the professionals — so you can focus on running your business.

40%

Average First-Year Tax Savings

Our clients typically retain 35–40% more of their income in year one through proactive tax strategy and restructuring.

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One Engagement, Full Access

Your engagement agreement with Provantage covers everything — from tax planning to CPA coordination. No separate contracts, no runaround.

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Strategy First, Always

Every engagement begins with a plan. Whether it’s a tax diagnostic or a full optimization report, we build the roadmap before anything gets filed.

Start the Conversation

Ready to take a more strategic approach? Schedule a consultation and let’s discuss how Provantage can work for you.

Our Offices

Providing professional tax advisory, accounting and consulting services to clients across the globe.

Downtown Los Angeles

445 S Figueroa St, Fl 31
Los Angeles, CA 90071

Claremont Village

101 N Indian Hill Blvd, Suite 206
Claremont, CA 91711

Cheyenne — High Plains

1705 Albany Ave, Ste 118
Cheyenne, WY 82001