How to Acquire a Company in 2026: A Step-by-Step Guide for First-Time Buyers

Acquiring a company means buying an existing business along with its customers, contracts, and staff instead of building those from scratch. For a first-time buyer the process runs eleven stages, takes four to seven months, and costs 1% to 3% of deal value in advisory fees before a single dollar of purchase price changes hands.

This guide gives the sequence, the numbers, and the decision gate at each stage.

Quick recap

1. Define criteria - Strategic, financial, and cultural filters, written before you look at any target.
2. Source targets - Banks, brokers, direct outreach, networks. Build a list of 10 to 20.
3. Contact and NDA - Mutual NDA signed before any confidential information moves.
4. Preliminary diligence - Two to three weeks, looking for deal-breakers only.
5. Value and submit an LOI - Revenue multiples, EBITDA multiples, DCF, comparable transactions.
6. Full due diligence - Six to twelve weeks across four workstreams in a virtual data room.
7. Arrange financing - Debt must be serviced by the target's cash flow, not yours.
8. Negotiate the purchase agreement - Price adjustments, reps and warranties, indemnity, escrow.
9. Clear regulatory approvals - HSR applies above $133.9M in 2026; add three to six months.
10. Close - Final working-capital adjustment, funds flow, documents executed.
11. Integrate - First 100 days decide whether the premium you paid was worth it.

Acquisition timeline and cost at a glance

For a $20M acquisition of a profitable mid-market business, a realistic plan looks like this.

#	Stage	Duration	Runs in parallel?	Typical cost
1	Define criteria	1-2 weeks	No	Internal time only
2	Source targets	4-12 weeks	Yes	$0 direct, or 1-2% success fee via broker
3	Contact and NDA	1-2 weeks	Yes	$1,500-$3,000 legal
4	Preliminary diligence	2-3 weeks	No	$5,000-$15,000
5	Valuation and LOI	2-3 weeks	No	$10,000-$25,000
6	Full due diligence	6-12 weeks	Yes	$80,000-$250,000
7	Financing	4-10 weeks	Yes	1-2% arrangement fee on debt
8	Purchase agreement	2-4 weeks	Yes	$40,000-$120,000 legal
9	Regulatory approvals	4-24 weeks	Yes	$30,000+ if HSR applies
10	Closing	1 week	No	Included above
11	Integration	100 days+	After close	1-3% of deal value

Total elapsed time: four to seven months for an unregulated deal, seven to twelve months if HSR or a foreign-investment review applies.

Total transaction cost before purchase price: roughly $170,000 to $450,000 on a $20M deal, or 0.9% to 2.3% of deal value. Smaller deals cost proportionally more, because legal and accounting work has a floor that does not scale down.

Why acquire a company

Name your rationale before you approach a target. It determines the price you can justify, the diligence you emphasize, and the way you integrate.

Rationale	What you are actually buying	Where the value leaks
Growth acceleration	Revenue and customers, immediately	Overpaying for growth that was already decelerating
Geographic expansion	Local presence, licences, relationships	Underestimating regulatory and hiring differences
Technology and talent	An intact engineering team	Attrition once earn-outs vest
Product expansion	A feature your customers already ask for	Integration debt between two codebases
Vertical integration	Margin currently paid to a supplier	Losing the supplier's other customers post-deal
Market consolidation	Pricing power, one fewer competitor	Antitrust review, and customer churn to a third player

The consistent finding across decades of M&A research is that a majority of acquisitions fail to create value for the buyer. The three causes that recur are overpayment, thin diligence, and integration treated as an afterthought. Each of the eleven steps below exists to attack one of those three.

Types of acquisitions

	Strategic	Financial (PE)	Acqui-hire
Buyer	Operating company in a related market	Private equity or investment firm	Larger company, usually tech
Buying for	Synergy and market position	Return on invested capital	The team
Typical premium	Highest, synergies justify it	Disciplined, returns-driven	Priced per engineer
Hold period	Permanent	3-7 years, then exit	Permanent, product often wound down
Leverage used	Low to moderate	High	None
Main risk	Integration complexity	Debt service if cash flow dips	Retention after earn-out vests

Asset purchase versus stock purchase

This choice determines which liabilities travel with the deal, and it is one of the most negotiated points in any transaction.

	Asset purchase	Stock purchase
What transfers	Named assets and assumed contracts	The legal entity, entirely
Unknown liabilities	Stay with the seller	Transfer to you
Contract consents	Usually required, one by one	Usually not, absent change-of-control clauses
Tax position	Buyer gets a stepped-up basis	No step-up; seller usually pays less tax
Preferred by	Buyer	Seller
Typical use	Distressed targets, carve-outs, divisions	Healthy going concerns

Because each side prefers the opposite structure, the gap is normally closed with price. A seller pushed into an asset sale will ask for more to offset the higher tax bill.

Step-by-step: how to acquire a company

Treat each step as a gate with an explicit decision. Walking away at step 4 costs $15,000. Walking away at step 8 costs $200,000.

1. Define your acquisition criteria

Duration: 1-2 weeks. Output: a one-page screen. Gate: can you reject a target in under ten minutes?

Dimension	Specify	Worked example
Strategic	Industry, geography, business model, tech stack	B2B SaaS, US or EU, subscription revenue
Financial	Revenue band, margin floor, multiple ceiling, max price	$3M-$8M revenue, positive EBITDA, max 5x revenue
Risk	Customer concentration cap, key-person dependence	Top 10 customers under 40% of revenue
Cultural	Management style, retention expectations	Founders stay 24 months minimum

Vague criteria are the root cause of overpayment. If your screen cannot produce a fast no, it will not protect you from a target you have grown attached to.

2. Find acquisition targets

Duration: 4-12 weeks. Output: 10-20 screened targets, 3-5 prioritized. Gate: do you have a credible alternative to your favourite?

Channel	Typical deal size	Cost to you	Price effect	Speed
Investment bank / M&A advisor	$20M+	1-2% success fee	Higher, competitive process	Fast, structured
Business broker	$1M-$50M	5-10% seller-paid	Moderate	Moderate
Direct outreach	Any	Your time	Lowest	Slow, 6-18 months
Industry network	Any	Free	Low	Unpredictable
Distressed / insolvency	Any	Legal fees	Deep discount	Very fast, high risk

Negotiating leverage comes from alternatives. A buyer with one target has no ability to walk, and sellers price that in.

3. Initial contact and NDA

Duration: 1-2 weeks. Output: signed mutual NDA. Gate: is the owner actually a seller?

Qualify for motivation and timeline before anything else. An owner who is "open to the right offer" is not the same as an owner who has decided to sell, and the difference is six months of your time.

The NDA should be mutual, run 2-3 years, define confidential information broadly, and include a non-solicit covering the target's employees. Have a clean template ready so momentum is not lost to a two-week legal round trip.

4. Preliminary due diligence

Duration: 2-3 weeks. Cost: $5,000-$15,000. Output: a go/no-go and a price range. Gate: any deal-breaker?

You are not auditing the business. You are looking for the five to ten facts that would change your mind entirely.

Area	Request	Deal-breaker signal
Financial	3-5 years of P&L, balance sheet, revenue by customer	Restated financials, or revenue concentrated above 30% in one account
Legal	Cap table, litigation summary, IP ownership	Unresolved IP ownership, or founder equity disputes
Operational	Org chart, top 10 customer and supplier contracts	A single key person holding all customer relationships
Commercial	Churn, pipeline, competitive position	Churn rising for four consecutive quarters

5. Valuation and offer

Duration: 2-3 weeks. Output: a signed Letter of Intent. Gate: does the price survive your own downside case?

Triangulate across four methods rather than trusting one.

Method	How it works	Best for	Typical range
Revenue multiple	Multiple applied to ARR or annual revenue	High-growth, low-profit SaaS	3x-10x revenue
EBITDA multiple	Multiple applied to normalized EBITDA	Profitable, stable businesses	5x-12x EBITDA
Discounted cash flow	Project cash flows, discount to present value	Predictable cash generators	Sensitive to assumptions
Comparable transactions	What similar companies actually sold for	Every deal, as a sanity check	Grounds the other three

Smaller businesses trade lower. Owner-operated companies under $5M of revenue commonly change hands at 3x-6x EBITDA, because the buyer is also replacing the owner's labour.

Then choose the structure, which is often as negotiable as the price itself.

Structure	Seller preference	Buyer benefit	Watch for
All cash	Highest	Clean, fastest close	Requires financing certainty
Stock	Low, unless liquid	Preserves cash	Dilution, and valuation of your own shares
Earn-out	Low	Bridges a valuation gap	Disputes over how the target is measured post-close
Seller note	Moderate	Reduces cash needed, keeps seller invested	Subordination to bank debt

The LOI captures price, structure, exclusivity (typically 60-90 days), and closing conditions. It is largely non-binding except for exclusivity and confidentiality, but it sets the anchor for everything that follows.

6. Full due diligence

Duration: 6-12 weeks. Cost: $80,000-$250,000 on a $20M deal. Output: a findings report that feeds price and indemnity. Gate: does anything found here change the number in the LOI?

Four workstreams run in parallel, each with its own advisor.

Workstream	Who runs it	Core question	Typical cost	Classic red flag
Financial (quality of earnings)	Accounting firm	Are the earnings real and repeatable?	$40,000-$145,000	Add-backs that normalize away recurring costs
Legal	Law firm	What do we inherit?	$30,000-$120,000	Change-of-control clauses in top contracts
Operational	Internal or consultant	Does it run without the owner?	$15,000-$60,000	Undocumented processes, single points of failure
Commercial	Consultant	Will customers stay?	$20,000-$85,000	Churn masked by a few large expansions

Quality of earnings is the single highest-return line item. It exists to find the difference between reported EBITDA and the EBITDA you will actually receive, and on a 6x multiple every $100,000 of overstated EBITDA is $600,000 of overpayment.

Because four advisory teams review hundreds of confidential files at once, run diligence through a virtual data room with folder-level permissions rather than shared drives or email.

7. Financing the acquisition

Duration: 4-10 weeks, run in parallel with diligence. Gate: does the target service its own debt in a downside case?

Source	Typical share	Cost	Term	Notes
Cash reserves	10-40%	Opportunity cost	-	Cleanest, but do not drain working capital
Bank term loan	30-50%	SOFR + 2-4%	5-7 years	Secured on target assets, covenanted
SBA 7(a) (US)	Up to $5M	Prime + spread	Up to 10 years	Business acquisition eligible, personal guarantee required
Seller note	10-25%	5-8%	3-5 years	Subordinated; keeps the seller invested
Earn-out	10-30%	Contingent	1-3 years	Not financing, but reduces cash at close
PE co-investment	Varies	Equity dilution	3-7 years	For larger deals

The discipline that separates surviving deals from failed ones: model debt service against the target's cash flow in a downside case, not the base case. A deal that only works if next year goes to plan is not financed, it is gambled.

8. Purchase agreement negotiation

Duration: 2-4 weeks. Cost: $40,000-$120,000. Gate: is your downside capped at a number you can absorb?

Term	Market standard	Why it matters
Purchase price basis	Cash-free, debt-free, with a working-capital peg	Prevents the seller stripping cash or leaving you short of working capital
Representations and warranties	Seller warrants financials, IP, contracts, compliance	The factual foundation you can claim against
Indemnity cap	10-20% of purchase price	Your maximum recovery
Survival period	12-24 months general; longer for tax, title, IP	The window in which you can claim
Escrow / holdback	10-20% of price	Money actually available to claim against
Basket / deductible	0.5-1% of price	Small claims do not trigger indemnity
Non-compete	2-5 years, defined territory	Stops the seller rebuilding the business next door
R&W insurance	Common above $20M	Shifts indemnity risk to an insurer, shrinks escrow

Representations, indemnity cap, and escrow are one connected system. A generous cap is worthless if there is no escrow behind it and the seller has already distributed the proceeds.

9. Regulatory approvals

Duration: 4-24 weeks, entirely outside your control. Gate: built into the timeline from day one?

US antitrust thresholds were revised effective 17 February 2026:

Test	2026 threshold
Size of transaction, below which no filing	$133.9M
Size-of-person test applies	$133.9M - $535.5M
Size of person, larger party	$267.8M in sales or assets
Size of person, smaller party	$26.8M in sales or assets
Reportable regardless of size of person	Above $535.5M
Maximum filing fee	$2.46M

The initial HSR waiting period is 30 days. A second request extends that by months and costs six figures in document production. Beyond antitrust, regulated sectors such as banking, insurance, defence, and telecom carry their own approvals, and cross-border deals may trigger a foreign-investment review such as CFIUS in the US.

10. Closing

Duration: one week of coordination, one day of execution.

The closing checklist is mechanical by this point:

• Final working-capital adjustment calculated and agreed
• Funds flow memorandum circulated and confirmed by all parties
• Purchase price wired, escrow funded separately
• Transaction documents executed, stock certificates or asset schedules delivered
• Board and shareholder resolutions passed
• Outgoing directors and officers resign
• Key-employee and non-compete agreements signed
• Seller released from lease and contract guarantees

Nothing should be negotiated on closing day. If it is, something failed at step 8.

11. Post-acquisition integration

Duration: first 100 days set the pattern; full integration 12-24 months. Gate: was the plan written before closing?

Window	Priority	Concrete action
Day 0-1	Communication	Announce to staff, customers, suppliers on the same day, in that order
Week 1-2	Retention	Retention agreements signed with named key people
Week 2-6	Quick wins	Ship two or three visible improvements
Month 2-3	Systems	Integrate finance and payroll first; leave product last
Month 3-12	Synergies	Track each modeled synergy as a line item with an owner

Integration budget runs 1-3% of deal value, and it is the line most often left out of the model entirely. Buyers reliably overestimate synergies and underestimate how long integration takes; the standard correction is to halve the synergy estimate and double the timeline before you use them to justify a price.

A first-time buyer's acquisition, end to end

Maya Okafor, founder of a mid-sized B2B analytics company, made her first acquisition in 2026. Her criteria: B2B SaaS, $3M-$8M revenue, positive EBITDA, top-ten customer concentration under 40%. Working a broker and her network, she screened fourteen targets and prioritized four.

Her top choice was a bootstrapped visualization tool at $5.2M revenue. After a warm introduction and mutual NDA, preliminary diligence confirmed steady growth but flagged one customer at 28% of revenue. She valued the business at roughly 4x revenue on comparable transactions with an EBITDA cross-check, and submitted an LOI at $21M: $18M cash and a $3M earn-out tied to Year-1 retention.

Full diligence ran through a virtual data room split into financial, legal, operational, and commercial folders. It surfaced an unassigned software licence, resolved through a specific indemnity plus a 15% escrow. She financed the cash portion with a bank term loan serviced by the target's own cash flow, plus reserves.

The deal closed in just under six months. In the first 100 days she signed both founders to earn-out-linked retention, kept the product roadmap intact, and integrated billing first while leaving engineering alone. Eighteen months on, the acquired product had lifted her platform's average contract value by 22%.

How Papermark helps you acquire a company

An acquisition generates hundreds of confidential documents, and each advisory team should see only its own workstream. That is what a purpose-built virtual data room does.

• Folder-level permissions - Separate financial, legal, operational, and commercial folders, each visible only to the team that needs it.
• Dynamic watermarking - Every page carries the viewer's email and a timestamp, so a leak is traceable to a session.
• Full audit trail - Who opened which document, and for how long.
• Page-by-page analytics - See genuine engagement rather than infer it.
• Built-in Q&A - Diligence questions stay organized and auditable instead of scattered across email.
• SOC 2 Type II, password protection, email verification, expiring links.
• €99/month flat for the Data Rooms plan, unlimited documents and viewers, versus per-page and per-user metering at legacy VDRs that turns a long diligence into an unpredictable bill.

Papermark's virtual data room organizes acquisition due diligence with granular permissions, dynamic watermarking, and a full audit trail.

See Papermark Data Rooms

Common acquisition mistakes

Mistake	Warning sign during the deal	Prevention
Overpaying	Your model needs the base case to work	Price the downside case; keep the walk-away number written down
Thin due diligence	Timeline compressed to "close by quarter end"	Never shorten quality of earnings
Ignoring culture	Nobody has met the target's middle managers	Interview beyond the founders before signing
Overestimating synergies	Synergies justify more than 20% of the price	Halve the estimate, double the timeline
Late integration planning	No integration owner named at signing	Name the owner before the LOI
Losing key people	No retention agreements at closing	Sign retention before, not after, announcement
Over-leverage	Debt service works only at plan	Model a 20% revenue decline
No Plan B	Single target, no alternatives	Keep two live options until exclusivity

Key takeaways

1. Write criteria before you look, so you can say no in ten minutes.
2. Budget 1% to 3% of deal value in transaction costs before purchase price.
3. Quality of earnings has the highest return of any diligence dollar you spend.
4. Cap your downside with indemnity, escrow, and survival periods that match the risk.
5. Finance so that the target services its own debt in a downside case.
6. HSR applies above $133.9M in 2026 and adds three to six months.
7. Name the integration owner before you sign, not after you close.
8. Keep an alternative alive; the ability to walk away is the only real leverage.