Your Trusted Accounting Due Diligence Provider for Companies in B2B Services, Manufacturing, Consumer Goods, and Tech-Enabled Services.
Financial Due Diligence for Entrepreneurs and Investors.
Clarity and confidence to buy the right business—on your terms.
⭐️ 9.5 out of 10 clients recommend us to their network.
The M&A transaction experts focus on serving buyers and sellers in the lower middle market. Our mission is to empower entrepreneurs, private equity firms, family offices, and private investors with actionable insights and a streamlined processes to achieve their strategic and financial objectives. Our tailored approach and customized solutions are designed to reduce risk while maximizing value realization through our proven M&A strategies.
$5M - $50M
Annual Revenue
Our M&A expertise is with companies generating $5M – $50M in annual revenue.
$1M - $4M
Annual EBITDA
With most businesses, profitability or EBITDA in addition to a rising growth rate are key to attracting multiple offers to drive up the purchase price.
$1M - $10M
Annual Recurring Revenue
Businesses with low churn and rising recurring revenue often command a higher sale price.
Your Accounting M&A Partner
Why work with OAG?
M&A Consultant
Financial Diligence
Quality of Earnings
Working Capital Analysis
Deal Data Analytics
Post-merger Integration
Our Focus Areas
Mergers & Acquisitions Services
Mergers and Acquisitions Services to maximize the outcome of your acquisition.
Client Accounting Services
Designed for founders and owners seeking to enhance their business value through financial and operational improvements.
Business Tax Solutions
Our Business Tax Practice specializes in high-impact tax strategy areas: Employee Retention Credits, R&D Tax Credits, State & Local Tax optimization, and Business Tax Credits & Incentives. We identify unclaimed credits, quantify tax savings, and implement defensible strategies that directly improve your bottom line.
Post-Merger Integration (PMI Solutions)
Seamless Integration Strategies for Mergers. Ensuring Smooth Transitions and Maximizing Synergies Post-Merger
Our Past Clients
Trusted by Entrepreneurs, Independent Sponsors, and Investors.

Bazaar Ventures

Jadwin Capital

Data Guard Secured Shredding
$950M
Millions In Total Transaction Value
200+
Transactions Completed
MM
Millions In Enterprise Value Created Through Strategic Advice
Client Service Team Leaders
Your client service team leaders are outlined below.

Patrick O’Connell, CPA
Managing Director, Transaction Advisory Services

Nicholas D'Andrea, CPA
Director, Transaction Advisory Services
MEET OUR TEAM
Patrick has been serving buyers and sellers in the lower middle market for the past decade across more than 200 industries. Patrick has conducted 350+ business acquisitions & sales for a combined transaction value of $950M+. Patrick specializes in financial due diligence, quality of earnings, deal structuring, business valuation, risk mitigation, and contract review. Patrick’s approach and customized solutions help you reduce risk while realizing value through proven M&A strategies. |
Frequently Asked Questions
For Buyers: The right time is when you’re close to submitting a Letter of Intent (LOI), so we can begin your project once the LOI is signed.
For Sellers: Before going to market, our Sell- Side Quality of Earnings can help you optimize your financials, enhance your business’s value, and present a clear, attractive picture to potential buyers.
The OAG team can get started on your project as little as 24 hours and will access the VDR and get up to speed quickly on your deal.
Typically, 2 to 4 weeks, depending on deal complexity, size, and industry.
We work with lower-middle-market businesses across professional services, government contracting, manufacturing, distribution, construction, healthcare services, consumer services, and technology-enabled companies.
Yes, we offer post-close integration, opening balance sheet and outsource accounting services.












