Your Trusted Accounting Due Diligence Provider for Companies in B2B Services, Manufacturing, Consumer Goods, and Tech-Enabled Services.

Your Accounting M&A Partners.

Financial Due Diligence for Entrepreneurs and Investors.

Transparent Fixed Fees. Partner-Led Process.

⭐️ 9.5 out of 10 clients recommend us to their network.

Clients Served
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Transactions Completed
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Combined Transaction Value
$ 0 M

$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 Partners

Why work with OAG?​

Integrated M&A technology for your deal

OAG has integrated Crunchafi into our financial diligence workflow to automate direct data extraction from the target's accounting system. The integration allows OAG to move faster and conduct high-quality financial due diligence with enhanced speed and accuracy to keep your deal on time.

Specialized 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

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

Chase McAlister, CPA

Senior Manager, Transaction Advisory Services

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.

Ready to Get Started?

OAG | OConnell Advisory Group

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