Experienced Due Diligence Professionals
End-to-end due diligence and transaction advisory for private equity & VC, boards, and strategic acquirers.
About Our Founder
Andy Tomat is a board director and corporate development executive with more than three decades of experience guiding organizations through acquisitions, strategic growth decisions, and financial oversight across industrial technology, automation, robotics, AI, and nonprofit settings.
He previously led corporate development at Teradyne, where he oversaw major transactions that expanded the company into new markets, and today serves as Partner at AllBera and Managing Director of Four Pillars, advising companies, investors, and boards on M&A, diligence, governance, transaction readiness, and long-term value creation.
He also brings board and governance experience through roles including director, audit chair, secretary, treasurer, and interim CFO, with a reputation for disciplined risk assessment, practical financial stewardship, and clear decision support in high-consequence situations.
Read Full BioThe 4 Pillars
The foundation of our approach to every engagement.
Business
Business diligence asks why the company actually works and its ability to achieve the growth objectives, including its market position (TAM/SAM), channel relationships, management incentives, and whether the success drivers will still hold after the deal closes.
Technology
Every company and growth plan has a technology component these days. Our team brings decades of experience in the leading enabling technologies to gauge a company’s technical maturity and unique capability to ensure its continued competitive advantage.
Legal
Legal diligence is where our legal partners make sure the deal structure, obligations, and exposures are clearly understood so the buyer is not discovering avoidable risk after close.
Financial
Financial diligence goes beyond the company’s financial statements to ensure that the earnings targets can be achieved. Our audit partners bring experience across to stress test both historical and projected financials.
Our Services
End-to-end due diligence and transaction advisory.
Buy-Side Due Diligence
Validate your acquisition target with rigorous financial and operational analysis
Sell-Side Due Diligence
Prepare your business for a successful sale with comprehensive pre-transaction diligence
Board Advisory
With decades of board experience across industrial technology, automation, and nonprofit settings, Andy serves as a trusted resource for governance structure, audit oversight, and strategic decision-making.
Corporate Venture Capital
End-to-end services including VC strategy development, investment identification and diligence, negotiating joint development and license agreements, and overseeing a firm’s growth and successful exit.
Quality of Earnings
Deep-dive normalized earnings analysis to support pricing and deal structuring
Business Valuation
Through our partnerships we can provide both advisory ‘what’s my company worth’ valuations as well as formal for specific transactions, but also for used in tax, governance and financial reporting matters.
Industries We Serve
Deep sector expertise across technology-driven markets.
Strategic Insights
Perspectives on governance, risk, and technology leadership.
When to Pay a Premium
Paying a premium for a strong, well-run business can actually be the lower-risk path.
READ ARTICLE →Smaller Deals are Not Safer
Small deals feel safer because they look contained. But in many smaller acquisitions, value depends on improvement rather than continuity.
READ ARTICLE →Discipline Means Saying No
One of the hardest moments in any growth or acquisition conversation is when the model clears, the rationale sounds coherent, momentum starts to build, but something still feels off.
READ ARTICLE →