The M&A Services Marketplace

Find the right M&A professionals for your next deal

Post your project and receive proposals from vetted M&A professionals — due diligence, legal, valuation, and advisory — often within hours.

Free to sign up and browse the network · No commitment required

$149 one-time · No subscription · No hourly fees · No retainers

Your Project
Quality of Earnings — HVAC Services Acquisition
$1.8M deal · Post-LOI · Financial due diligence
Proposals 3 Received
KP
Verified Provider
CPA · 12 yrs · 45+ QofE completed
$8,500
DueDilio Verified™
RS
Verified Provider
CPA/CFA · 8 yrs · Home services
$7,200
DueDilio Verified™
JM
Verified Provider
Boutique firm · 20 yrs · Full-scope DD
$12,000
DueDilio Verified™
Client Review
“Proposals within 4 hours. Hired a QofE provider by end of week.”
Managing Partner · PE Firm · $4.2M deal

1,100+

Clients Served

1,300+

Projects Submitted

4.9 ★

Trustpilot Rating

$2B+

Deal Value Supported

Trusted by 1,100+ buyers, sellers, and advisors across the lower middle market

Deals ranging from $300K to $25M

200+ vetted providers across every deal discipline

Who It’s For

One platform for every side of the deal

Whether you’re acquiring your first business, preparing for an exit, or managing deals for clients — DueDilio connects you with the right professionals for lower-middle-market transactions.

Business Buyers
PE firms · Search funds · First-time acquirers

You’ve found a target or you’re deep in diligence — and you need professionals who know lower-middle-market deals inside and out. Not a Big 4 team charging enterprise rates. Not a random Google search. Vetted specialists who move fast, get it right, and have done it before at your deal size.

Quality of Earnings Legal Review Tax Structuring Deal Coaching + more
DueDilio for buyers
Business Sellers
Owners planning an exit · Preparing for sale

You’ve spent years building this business — now the stakes couldn’t be higher. You need your financials clean, your valuation defensible, and your data room airtight before a buyer finds the gap you missed. The right exit team makes the difference between leaving money on the table and walking away whole.

Valuation CIM Preparation Exit Readiness Data Room Setup + more
DueDilio for sellers
Intermediaries
Brokers · Dealmakers · Deal sponsors

Every deal you close reflects on you. When your client needs a QofE provider, legal counsel, or post-close ops support, you can’t afford a bad referral. DueDilio gives you a vetted bench of independent professionals you can deploy across deals — without the risk of poaching, conflicts, or inconsistent quality.

Client Deal Support Due Diligence Teams Legal Counsel Post-Close Ops + more
DueDilio for intermediaries
Services

Every service your deal needs — from one platform

Whether you’re buying, selling, or advising on a deal, DueDilio’s vetted network covers every stage of the transaction — from pre-LOI through post-close. All specialists in the lower middle market.

Buy-Side Advisory

Get expert guidance before you commit. Deal coaching, sourcing, financial modeling, legal structuring, and tax planning from professionals who specialize in acquisitions at your deal size.

Explore buy-side services
Sell-Side Services

Maximize your exit. Valuation, CIM preparation, data room setup, exit readiness assessments, and financial cleanup — so you go to market with confidence.

Explore sell-side services
Post-Acquisition Support

Hit the ground running after closing. Accounting, operations, HR, legal, technology integration, and growth advisory to help you transition and scale from day one.

Explore post-acquisition services

The simplest way to hire M&A professionals

The process is simple, transparent, and designed to get you from project to proposal as fast as possible.

1
Sign up and explore the network

Create your free account and browse anonymous provider profiles, specialties, and deal experience across the network — before paying anything or posting a project.

2
Unlock access and submit your project

Pay the one-time $149 fee to unlock full platform access — forever. Then walk through our guided project form. It takes 5–10 minutes and helps you define exactly what you need and set clear expectations for providers.

3
Review proposals and interview providers

Vetted professionals respond with detailed proposals — scope, pricing, credentials, and relevant deal experience. Shortlist your top picks, message them directly, and schedule interviews to find the right fit.

4
Hire with confidence

Engage the provider that's right for your deal. No middleman, no pressure, no surprises. You have 7 days to review proposals and make your decision.

Your Proposals 3 Received
KP
DueDilio Verified™ Provider
CPA · 12 yrs exp · 45+ QofE completed
$8,500Fixed fee
★ 4.9
RS
DueDilio Verified™ Provider
CPA/CFA · 8 yrs exp · Home services specialist
$7,200Fixed fee
★ 5.0
JM
DueDilio Verified™ Provider
Boutique firm · 20 yrs exp · Full-scope DD
$12,000Fixed fee
★ 4.8
Not sure where to start? We'll walk you through it.

Our Founder Advisory Session ($399, one-time) pairs you with a DueDilio advisor who helps you scope the right services, set realistic budgets, evaluate proposals, and make confident hiring decisions.

Learn about the Founder Advisory Session
Why DueDilio

Skip the search. Focus on the deal.

Finding the right M&A professionals on your own means weeks of cold outreach, guesswork on quality, and no easy way to compare.

Without DueDilio Weeks of work
  • Scoping: figure out what services you need and how much to budget
  • Research: find vendors who specialize in your deal type and size
  • Outreach: contact each vendor individually for quotes or calls
  • Comparison: collect proposals in different formats and try to compare
  • Vetting: check reviews, references, and credentials on your own
  • Decision: hope you made the right choice
With DueDilio
  • Guided form: helps you define exactly what you need
  • Smart matching: we connect you with providers vetted for your deal
  • Proposals come to you: qualified providers respond with detailed offers
  • Side-by-side comparison: scope, pricing, and credentials in one place
  • Pre-vetted network: every provider is DueDilio Verified™
  • Competitive pricing: providers compete for your business, so you get the best rates
  • Hire with confidence: interview, message, and decide on your terms
What Clients Say

Trusted by buyers, sellers, and advisors

Don’t take our word for it. Here’s what clients say about working with DueDilio and the professionals in our network.

1,300+ projects submitted 1,100+ clients served 4.9 / 5 on Trustpilot

I was acquiring another company and needed help FAST. Since it was my first time, it was especially nerve racking. Luckily DueDilio was able to match me with someone knowledgeable and at a decent rate within 24 hours. Without them it would’ve taken me 2 weeks to find someone.

MG
Matt Graham
First-Time Buyer · Due Diligence

Roman Beylin was very helpful and responsive and helped us find a financial due diligence firm (through a competitive process) that was appropriate for the circumstances of our $3M EBITDA target acquisition. Because of our positive experience, we will use DueDilio for legal engagements as well and on future transactions.

TC
Theo Ciupitu
Repeat Client · Financial Due Diligence · $3M EBITDA

“Exceptionally fast, professional, and easy to work with. They provided us with options within 24 hours that were exactly what we asked for.”

Hardy Farrow

“I couldn’t have closed without Roman and the DueDilio service. Being able to rely on recommendations for diligence was a massive resource saver.”

Evan

“I was very impressed by the quality of M&A professionals that submitted proposals for my deal. Highly experienced, highly trained finance pros.”

Zach Gray

“I received a curated selection of proposals from vetted professionals. Everything was presented on a level playing field and was easy to compare.”

Jeff Sladick
4.9 out of 5
73 reviews on Trustpilot Read all reviews

Simple pricing. No surprises.

One flat fee gets you lifetime access to the platform, the network, and every project you’ll ever need to post.

$149
One-time payment

Post projects, receive proposals from vetted providers, message and interview directly — for every deal, forever. No subscription. No per-project fees.

Lifetime access
Unlimited projects
Direct provider messaging
Vetted proposals only
Founder Advisory Session · $399 one-time · optional

A one-time session with our founder — scoping, budget guidance, proposal evaluation, and hiring support. No expiration.

Learn more

Free to sign up. $149 when you submit your first project.

Knowledge Center

Learn before you hire

Articles, guides, checklists, and templates written specifically for business buyers, sellers, and M&A professionals.

180+ free resources across every stage of the M&A process
Get the free 2026 M&A Guide

A comprehensive 30-page guide for small business buyers and M&A professionals — covering deal sourcing, due diligence, and more.

Are you an M&A service provider?

DueDilio works with a select network of vetted professionals across all M&A service categories. If you’re experienced, credentialed, and looking for qualified client introductions — apply to join.