5 M&A Advisory Firms Worth Knowing in the US

Jay Payne
Written by
Jay Payne
Last edited: Oct 3, 2026

You're staring down a deal that could change everything. The right advisor makes all the difference.

The M&A Advisory Landscape

M&A advisory has become a critical service for business owners and investors navigating complex transactions. From valuation and due diligence to integration and exit planning, the right advisor helps you avoid costly mistakes and maximize value. The market is crowded, but a few firms stand out for their end-to-end capabilities and strategic focus.

How We Evaluated These Firms

We looked at service scope, pricing clarity, local fit, and client outcomes. Each firm brings a distinct approach to the table. Richard Schneck offers a boutique, full-lifecycle model. Roadmap Advisors focuses on middle-market sell-side and buy-side. NMS Consulting brings global consulting muscle. BPM provides accounting-rooted transaction advisory. Kreischer Miller serves private companies with deep tax and audit integration. No single firm is right for everyone—your needs should guide your choice.

Here's a quick look at five firms that can help you buy, grow, or sell with confidence.

ProviderBest For
Roadmap AdvisorsMiddle-market business owners seeking sector-specific M&A guidance
Richard Schneck | Strategic M&A AdvisoryBusiness owners and investors seeking full-lifecycle M&A advisory
NMS ConsultingCompanies needing consulting-driven M&A and integration support
BPMClients seeking accounting-integrated M&A advisory
Kreischer MillerPrivate and family-owned businesses navigating transactions

Deep Dive: 5 M&A Advisory Firms Worth Knowing

#1 Roadmap Advisors

Screenshot of Roadmap Advisors website A screenshot of the Roadmap Advisors website.

Roadmap Advisors specializes in middle-market M&A, offering sell-side, buy-side, and exit strategy services. Their team brings decades of combined experience across sectors like facilities services, landscaping, and professional services. They emphasize clarity and confidence, guiding you through complex transactions with a hands-on approach. If you're a business owner looking to exit or acquire, their sector expertise can be a game-changer. Learn more about their mergers and acquisitions services.

#2 Richard Schneck | Strategic M&A Advisory

Screenshot of Richard Schneck | Strategic M&A Advisory website A screenshot of the Richard Schneck | Strategic M&A Advisory website.

Richard Schneck leads AGEAcquire, a boutique consultancy that covers the entire M&A lifecycle. From market research and valuation to deal structuring, due diligence, and post-merger optimization, they offer end-to-end support. Their approach is built on a proven methodology: Acquire, Grow, Exit. This makes them a strong fit for business owners and investors who want a single advisor from start to finish. Explore their services to see how they can help you navigate your path forward.

#3 NMS Consulting

Screenshot of NMS Consulting website A screenshot of the NMS Consulting website.

NMS Consulting provides M&A services across the full deal lifecycle, with a focus on post-merger integration and performance improvement. They combine consulting expertise with a global reach, serving clients in industries from agriculture to technology. Their 30-60-90 deal playbook helps you link deal thesis to diligence and execution. If you need a consulting-heavy approach with a success-fee model, NMS is worth a look. See their full lifecycle services.

#4 BPM

Screenshot of BPM website A screenshot of the BPM website.

BPM is a full-service accounting and advisory firm with a robust M&A practice. They offer due diligence, quality of earnings, valuation, and transaction advisory, backed by deep industry knowledge. Their team serves clients from startups to private equity, making them a versatile choice. If you value an accounting-rooted perspective on deals, BPM could be your partner. Check out their M&A advisory services.

#5 Kreischer Miller

Screenshot of Kreischer Miller website A screenshot of the Kreischer Miller website.

Kreischer Miller focuses on private companies, offering M&A and transaction advisory with a personal touch. Their services include quality of earnings, business valuation, and exit planning, all integrated with tax and audit expertise. They understand the unique challenges of family-owned and owner-operated businesses. If you're a private company owner, their team can help you buy or sell with confidence. Learn more about their M&A advisory.

How to Choose the Right M&A Advisor

Start by defining your goals. Are you buying, selling, or growing? Then look for a firm with experience in your industry and deal size. Ask about their process, fees, and post-deal support. A boutique firm like Richard Schneck may offer more personalized attention, while larger firms like BPM provide broader resources. Don't be afraid to interview multiple advisors. The right fit can save you time and money.

Automating Your M&A Workflow

While M&A is relationship-driven, you can streamline parts of the process. Use project management tools to track due diligence checklists. Automate document sharing with secure data rooms. Set up CRM reminders for follow-ups with potential targets or buyers. These small efficiencies keep your deal moving forward.

Final Thoughts

The right M&A advisor can transform a risky transaction into a strategic win. Whether you choose Richard Schneck for full-lifecycle support, Roadmap Advisors for middle-market expertise, NMS Consulting for integration muscle, BPM for accounting rigor, or Kreischer Miller for private company focus, do your homework. Your future depends on it.

Jay Payne

About the Author

A veteran investigative journalist for 4 years, Jay Payne has a passion for uncovering market trends. When he isn't uncovering market trends, he's usually restoring motorcycles.