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Expert Business Valuation & Accounting Services
Brisbane Consulting Group specializes in business valuation, forensic accounting, and customized accounting software solutions. Our team of certified professionals brings decades of experience in financial reporting, litigation support, and technology implementation. We serve governmental entities, nonprofit agencies, and private clients with tailored services backed by prestigious accreditations. Our expertise in tax planning, mergers and acquisitions, and dispute resolution ensures clients receive strategic guidance. As a subsidiary of Lumsden & McCormick, LLP, we combine CPA rigor with innovative software partnerships like AccuFund.

Our professionals hold designations including ABV, CFF, and CFE, ensuring technical excellence. We deliver expert testimony in state and federal courts, specializing in divorce-related financial disputes and business valuations. Our implementation process emphasizes automation, compliance, and post-support for accounting systems. With a focus on transparency and client education, we help organizations optimize financial operations. Our track record includes complex economic damage calculations and ESOP valuations, serving as court-appointed experts.
Services
Business Valuation Forensic Accounting Accounting Software Solutions Matrimonial Consulting Gift & Estate Planning Mergers & Acquisitions Buy-Sell Agreements Nonprofit Accounting Representative Payee Services Employee Stock Ownership Plans
Highlights and features
  • Certified professionals with ABV, CFF, and CFE designations
  • 25+ years implementing accounting software solutions
  • Proven courtroom expertise in business valuation testimony
  • Specialized nonprofit and government accounting expertise
  • Integrated approach combining CPA rigor with technology solutions
Associations and certifications
  • Certified Public Accountant (CPA)
  • Accredited in Business Valuation (ABV)
  • Certified in Financial Forensics (CFF)
  • Certified Valuation Analyst (CVA)
  • Accredited Senior Appraiser (ASA)
  • Certified Fraud Examiner (CFE)
Services
Business Valuation
Our certified valuation experts deliver precise business appraisals for financial reporting, mergers and acquisitions, and legal proceedings. We employ advanced methodologies to determine fair market value while considering tax implications. Clients benefit from court-tested expertise in dispute resolution and transaction advisory services.
Forensic Accounting
We conduct thorough forensic examinations for litigation support, fraud detection, and economic damage calculations. Our CPAs and CFEs uncover financial discrepancies in divorce cases and corporate disputes. Services include expert testimony preparation and court-admissible reporting for legal proceedings.
Accounting Software Solutions
We implement customized accounting systems for nonprofits and government agencies using AccuFund software. Our approach combines technical expertise with sector-specific knowledge to streamline financial operations. Services include data migration, staff training, and ongoing compliance support for cloud or onsite deployments.
Matrimonial Consulting
Our specialists handle complex asset valuations and tax planning for divorce settlements. We provide expert testimony on business interests and spousal support calculations. The team uses proprietary software to model post-divorce financial scenarios and tax consequences.
Nonprofit Accounting Solutions
We deliver tailored accounting platforms for nonprofit organizations with modules for donor management and compliance reporting. Our solutions include SOC-compliant systems with customizable workflows. Implementation services ensure seamless integration with existing operations and regulatory requirements.
People
William P. Allen
Partner
CPA and CFE-certified expert with extensive experience in forensic accounting and business valuation for legal proceedings.
Johnathon Miles
Director of Software Solutions
Led software implementation projects for government agencies and nonprofits, specializing in AccuFund solutions and system integration.
Douglas Sosnowski
Managing Director
CPA, ABV, ASA, and CFF credentialed professional with expertise in business valuations and expert testimony in court cases.
Brian Costello
Senior Analyst
CPA-licensed analyst supporting valuation projects and forensic accounting investigations with technical expertise.
Paul M. Herlan
Director of Administration
Manages administrative operations and supports technology initiatives across accounting software implementation projects.
Questions
What core services does Brisbane Consulting Group offer?
We specialize in business valuation, forensic accounting, and customized accounting software solutions for governmental and nonprofit organizations.
How does your firm handle divorce-related financial disputes?
Our CPAs and CDFA-certified professionals provide expert valuation of business assets and tax planning for divorce settlements.
What accounting software solutions do you implement?
We partner with AccuFund to deliver tailored solutions for nonprofits and government agencies, including Representative Payee systems.
Can you assist with business succession planning?
Yes, we provide valuations, buy-sell agreements, and ESOP structuring to ensure smooth business transitions.
Do you offer expert testimony services?
Our professionals regularly serve as court-appointed experts in business valuation and forensic accounting cases.