Mergers & Acquisitions Advisory Firms in New York City

M&A advisory firms in NYC are at the epicenter of global dealmaking, with investment banks and boutique advisory firms in Midtown and the Financial District facilitating corporate mergers, acquisitions, and divestitures. These firms provide sell-side and buy-side advisory, valuation, due diligence, and deal structuring for transactions ranging from $10 million to over $10 billion. Advisory fees in NYC typically follow the Lehman formula: 5% of the first million, 4% of the second, and declining percentages thereafter.

Top 6 Mergers & Acquisitions Advisory Firms in New York City by Reviews & Ratings

#	Name	Address	Reviews	Rating
1	Midas Wealth - Private Client Group	One Battery Park Plaza, Battery Pl Flr 33, #3350, New York, NY 10004, USA	90	5.0
2	New York Business Advisory & Corporate Services Inc.	99 Wall St Ste 1079, New York, NY 10005, USA	13	4.9
3	Mergers & Acquisitions Attorney New York	1740 Broadway 15th floor, New York, NY 10019, USA	10	5.0
4	Investment Science	99 Wall St Ste 1672, New York, NY 10005, USA	7	5.0
5	Merger & Acquisition Services, Inc.	320 E 53rd St, New York, NY 10022, USA	1	5.0
6	Agifall Advisory	166 E 35th St #16D, New York, NY 10016, USA	1	5.0

Recent Reviews for Mergers & Acquisitions Advisory Firms in New York City

Mergers & Acquisitions Attorney New York Jul 14, 2025

★★★★★ by Jesse Swallow

Partnership breakup led to a complicated buyout. Emotions ran high. These lawyers didn’t just write papers—they helped keep things civil and moving forward. No drama in the final documents, just clean language that made sure everyone got what was agreed.

Agifall Advisory Apr 21, 2023

★★★★★ by Rob Caldera

I am an owner of a consulting business and have worked with Agifall Advisory over the past year. Caitlyn has shown herself to be an expert in her field of acquiring and growing businesses and has provided excellent advice. I would highly recommend working with Agifall.

Frequently Asked Questions about Mergers & Acquisitions Advisory Firms

Consulting fees in NYC range from $150 to $600 per hour depending on expertise and specialization. Project-based fees range from $5,000 to $100,000+. Monthly retainers are common and range from $3,000 to $30,000. Check New York Lists for rate information.

Look for consultants with relevant industry experience, proven results, and strong client references. Review their case studies and methodology. Schedule initial consultations with multiple firms to compare approaches and cultural fit.

Ask about their experience in your industry, specific results they have achieved for similar clients, their methodology, who will be on your engagement team, how they handle challenges, timeline expectations, and what ongoing support they provide.

Many consultants and advisory firms in NYC offer a free initial consultation to understand your needs and discuss how they can help. This is also your opportunity to evaluate their expertise and determine if they are a good fit.

Engagement duration varies by scope. Strategic consulting projects typically last 2 to 6 months. Implementation support can extend 6 to 12 months. Some consulting relationships evolve into ongoing advisory retainers. Discuss timelines during your initial consultation.