The buyer's research desk
Know What to Ask. Know What to Verify.
Field guides, checklists, and operator playbooks for evaluating the business behind the listing—organized around the decisions that can change your price, terms, or willingness to close.
Most acquisition content explains vocabulary. This library is designed to improve a live decision. Each guide connects a buyer question to the records, calculations, documents, and professional review needed to answer it responsibly.
Curated starting point
Build Your Buyer Foundation.
Four essential reads, ordered from first screen through financing. Start here if this is your first acquisition.
Choose Your Research Path
Start with the Decision You Need to Make.
Each path moves from education to the appropriate screening, diligence, or evidence-management product.
New Buyer
Is this listing worth pursuing?
Financial Concern
Do the earnings support the price?
Public-Record Concern
What liabilities or operating restrictions may exist?
Market Concern
Does the location and industry context support the story?
Active Acquisition
What changed after the initial decision?
Research desk
Browse the Library
Find the exact issue you need to understand, then move from explanation to a practical verification step.
Editorial collection
Market intelligence
3 guidesMarket Analysis Before Buying a Business
How buyers combine local demographics, industry density, employment, payroll, seller records, and operating evidence without confusing market context with company performance.
How Census Data Supports Business Acquisition Due Diligence
A buyer-focused guide to Census geocoding, ACS population, income, labor and housing context, County Business Patterns, NAICS comparisons, vintages, and limitations.
Labor-Market Risk When Buying a Business
How to test staffing availability, wage pressure, owner replacement, retention, and labor compliance during a business acquisition.
Editorial collection
Public records & compliance
6 guidesConsumer Complaint History in Business Acquisition Due Diligence
When CFPB complaint and enforcement data applies to an acquisition, what it can reveal, and why complaint volume is not proof of wrongdoing.
Business Background Check Before Buying a Company
How acquisition buyers verify entity identity, liens, courts, licenses, environmental, labor, safety, and transportation records without mistaking a database hit for a conclusion.
UCC Lien Search Before Buying a Business
How buyers search UCC financing statements, resolve debtor-name matches, obtain filings, and connect secured claims to payoff and release conditions.
EPA Environmental Screening in a Business Acquisition
Use EPA ECHO, facility identifiers, permits, site history, leases, and specialist review to screen environmental exposure before buying a business.
Secretary of State Entity Status and Good Standing Before Buying
Verify legal entity identity, state status, filing history, registered agent, names, and certificates before relying on a business listing.
Business License Transferability When Buying a Company
Determine which professional, occupational, facility, environmental, and local approvals transfer—and which require a new owner or entity application.
Editorial collection
Industry playbooks
10 guidesDue Diligence Checklist for Buying a Container Manufacturer
A buyer’s acquisition-intelligence checklist for steel exposure, machinery, environmental and OSHA history, backlog quality, concentration, capex, inventory, contracts, and working capital.
Due Diligence Checklist for Buying a Manufacturing Business
How buyers verify job margin, production capacity, equipment, inventory, quality, environmental and safety exposure, concentration, capex, and working capital in a manufacturing acquisition.
Due Diligence Checklist for Buying Laundromat
Laundromat value depends on verified turns, vend prices, utilities, lease durability, equipment condition, payment-system records, and the labor required to keep the store clean and operational. Use this buyer checklist to verify earnings, operations, records, transferability, and hidden capital needs.
Due Diligence Checklist for Buying Restaurant
Restaurant diligence must connect sales and gross margin to permits, lease economics, labor, food cost, delivery platforms, equipment, health history, and the concept’s dependence on the seller or chef. Use this buyer checklist to verify earnings, operations, records, transferability, and hidden capital needs.
Due Diligence Checklist for Buying HVAC Company
HVAC acquisitions combine recurring service revenue with licensing, qualifying-person dependence, fleet, refrigerant handling, dispatch data, warranty obligations, seasonality, and technician retention. Use this buyer checklist to verify earnings, operations, records, transferability, and hidden capital needs.
Due Diligence Checklist for Buying Trucking Company
Trucking diligence requires carrier-identity and safety verification alongside lane economics, driver retention, insurance, authority, equipment, maintenance, fuel, brokerage dependence, and customer concentration. Use this buyer checklist to verify earnings, operations, records, transferability, and hidden capital needs.
Due Diligence Checklist for Buying Daycare or Childcare Business
Childcare value is inseparable from facility and operator licensing, ratios, background-clearance continuity, enrollment, subsidies, incident history, staffing, property approval, and parent trust. Use this buyer checklist to verify earnings, operations, records, transferability, and hidden capital needs.
Due Diligence Checklist for Buying Landscaping Business
Landscaping diligence centers on recurring routes, customer retention, route density, crew and owner dependence, equipment and vehicle condition, seasonality, chemical licensing, insurance, and contract transfer. Use this buyer checklist to verify earnings, operations, records, transferability, and hidden capital needs.
Due Diligence Checklist for Buying Auto Repair Shop
Auto-shop diligence must verify repair-order economics, technician production, facility and environmental compliance, equipment, customer concentration, warranties, parts margin, lease terms, and owner certifications. Use this buyer checklist to verify earnings, operations, records, transferability, and hidden capital needs.
Due Diligence Checklist for Buying E-commerce or Amazon FBA Business
E-commerce diligence requires channel-level reconciliation, account transfer analysis, inventory quality, advertising economics, intellectual property, supplier continuity, platform compliance, data ownership, and concentration risk. Use this buyer checklist to verify earnings, operations, records, transferability, and hidden capital needs.
Editorial collection
Buying process
2 guidesHow to Buy a Small Business: a Buyer’s Field Guide
A practical, evidence-led process for finding, screening, financing, diligencing, and closing a small-business acquisition.
Questions to Ask When Buying a Business: 75 Evidence-Led Prompts
Seventy-five practical questions for sellers, brokers, lenders, and advisers—organized around earnings, customers, people, transferability, liabilities, and closing.
Editorial collection
Valuation & earnings
5 guidesHow to Value a Small Business Without Mistaking a Multiple for Proof
Build a defensible small-business valuation range from normalized earnings, comparable multiples, assets, debt, working capital, and transfer risk.
How to Verify Seller Financials Before Buying a Business
Reconcile tax returns, P&Ls, ledgers, bank deposits, merchant statements, payroll, add-backs, working capital, and current performance.
Seller Discretionary Earnings and Add-Back Verification
Verify seller discretionary earnings and business add-backs using tax returns, ledgers, payroll, invoices, bank support, and buyer-specific normalization.
SDE vs. EBITDA: Which Earnings Measure Should a Buyer Use?
A buyer-focused explanation of seller’s discretionary earnings, EBITDA, owner compensation, add-backs, and when each measure is useful.
Normalized Earnings: the Number a Business Buyer Is Actually Purchasing
A clear method for converting reported profit into sustainable post-close earnings.
Editorial collection
Risk & diligence
4 guidesRed Flags When Buying a Business: 40 Signals to Investigate
Forty financial, legal, operational, commercial, and seller-behavior warning signs—and the evidence that can confirm or clear each one.
What Changed Since LOI? a Pre-Closing Re-Verification Guide
A pre-closing comparison for buyers: refresh financial, legal, operational, and public-record evidence and test every change against the assumptions behind the LOI.
How to Check a Business Before Buying It: A Verification Framework
How to check a business before buying it — a claim-by-claim verification framework for earnings, customers, ownership, transferability, liabilities, assets, and operating authority.
Customer Concentration Risk in a Business Acquisition
Measure concentration by revenue and gross profit, test contract and relationship transfer, and model the effect of losing a major customer.
Editorial collection
Deal structure
3 guidesLetter of Intent Checklist for Buying a Business
A buyer’s LOI checklist covering price assumptions, structure, working capital, financing, diligence access, exclusivity, transfer conditions, and what will be re-verified.
Working Capital in a Business Acquisition: What Transfers at Closing?
How buyers evaluate normalized working capital, purchase-price adjustments, cash-free debt-free terms, and post-close liquidity.
Asset Purchase vs. Stock Purchase for a Small-Business Buyer
How asset and equity deals differ in liabilities, contracts, licenses, taxes, employees, and operational continuity.
Editorial collection
Financing
2 guidesSBA Loan Business Acquisition Due Diligence Checklist
Prepare the buyer, business, valuation, financing, lease, license, equity, and closing evidence commonly needed in an SBA-financed acquisition.
Seller Financing a Small-Business Purchase
How seller notes affect price, cash at close, subordination, incentives, and buyer risk.
Editorial collection
Tools & comparisons
6 guidesBusiness Acquisition Screening Software: What Buyers Should Demand
A buyer’s framework for comparing acquisition screening software by evidence, calculations, public-record coverage, workflow, and limitations.
AI Due Diligence Tools for Buying a Small Business
How buyers can use AI in small-business diligence without confusing generated analysis with verified evidence or professional conclusions.
Business Screening vs. Quality of Earnings: Which Comes First?
Compare an affordable acquisition screen with a quality-of-earnings review, understand what each can establish, and sequence diligence without false economy.
Business Buyer Check vs. Reading the Listing Yourself
See what a structured, source-linked acquisition screen adds beyond reading a broker listing—and what still requires professional diligence.
Rapid Diligence Alternative: Software-First Screening Before a Full QoE
Compare a software-first Business Buyer Check screen with Rapid Diligence’s human-led diligence services by scope, timing, evidence and professional responsibility.
DueDilio Alternative: Self-Serve Diligence Before Hiring a Provider
Compare DueDilio’s provider marketplace model with Business Buyer Check’s self-serve acquisition screening and evidence workflow.
Editorial collection
Buyer playbooks
2 guidesSearch Fund Due Diligence Checklist: From LOI to Closing
A search-fund diligence sequence for financial verification, financing, public records, transferability, deal protections and pre-closing rechecks.
Independent Sponsor Due Diligence Software: What the Deal Team Needs
How independent sponsors can use diligence software to screen targets, preserve evidence, coordinate specialist work and prepare investment decisions.
Editorial collection