Dental Practice Sale Process: A Step-by-Step Guide for UK Principals

Selling a dental practice is not like selling a house or a standard business. It involves regulatory steps — NHS contract novation, CQC transfer, and TUPE for staff — that simply do not exist in most other business sales. Understanding the process in advance removes anxiety from each stage and helps you make better decisions about timing and preparation.

This guide sets out the dental practice sale process from the initial decision to sell through to legal completion, including realistic timelines for each stage.

Stage 1: Decision and Valuation (Months 1–2)

Getting Your Practice Valued

The first step is understanding what your practice is worth. A specialist dental practice broker will assess your normalised EBITDA, revenue mix (NHS vs private), NHS contract position, CQC rating, associate arrangements, and lease quality to produce a realistic market valuation.

A valuation from a generalist business broker is not adequate here — dental practice valuations require familiarity with NHS goodwill multiples, UDA values by ICB area, and the current dental M&A buyer market. You need a figure grounded in actual recent comparable transactions.

A proper valuation takes 1–2 weeks and is typically provided without charge or obligation.

Preparing Financially

Once you have a valuation, your accountant should prepare:

• Normalised EBITDA calculation — adjusting the accounts for owner-specific costs to show sustainable maintainable earnings
• Normalisation schedule — documenting each add-back for buyers
• 3 years of signed statutory accounts (if any years are outstanding, file before marketing begins)

This financial preparation is the most directly value-additive step a principal can take before going to market.

Stage 2: Pre-Market Preparation (Months 2–4)

This is the stage most principals underestimate. A buyer’s due diligence will examine every aspect of how you operate. Gaps discovered during due diligence become negotiating leverage — addressing them before marketing begins means you control the narrative.

Key Preparation Actions

CQC registration and compliance:

• Confirm your CQC registration is current and lists the correct activities
• Review your last CQC inspection report — anything short of “Good” will need to be addressed
• Ensure IPC documentation, RPS/RPA records, and radiation compliance records are in order

NHS contract documentation:

• Locate your original GDS or PDS contract and all amendments
• Pull three years of UDA delivery reports — under-delivery is the most common NHS red flag for buyers
• Gather any ICB correspondence (performance letters, clawback notices, renewal correspondence)
• Confirm the name and contact for your NHS England local team / ICB (needed for novation)

Associate agreements:

• Ensure every associate has a current, signed written agreement
• Agreements should specify session commitments, UDA allocation, income split, notice periods, and restrictive covenants
• Verbal or outdated associate arrangements will need to be formalised before exchange

Lease review:

• If leasehold, confirm the remaining term, assignment provisions, and landlord consent requirements
• Short leases (fewer than 10 years including options) significantly reduce the buyer pool

Data room assembly:

• Begin assembling the full data room (see our separate dental practice data room checklist)

Stage 3: Marketing and Buyer Identification (Months 3–5)

Confidential Marketing

Dental practice sales are conducted confidentially. Your patients, staff, and local community should not know the practice is for sale until legal completion — information leaks create uncertainty that can disrupt the business.

A specialist broker markets your practice to a qualified, confidential buyer database. This typically includes:

• Individual dentist-buyers (associates looking for principal positions)
• DSOs (corporate groups) and PE-backed dental groups
• Independent dentists seeking second or third practices
• International buyers with UK registration

The broker manages NDAs, filters out unqualified enquiries, and introduces only serious, financially capable buyers.

Information Pack and Financial Disclosure

Qualifying buyers receive a detailed information memorandum covering the practice overview, financial performance (normalised EBITDA and underlying), NHS contract details, CQC position, associate team, property, and asking price.

Interested buyers will then request access to the full data room for preliminary due diligence before submitting offers.

Stage 4: Offers and Heads of Terms (Months 4–6)

Receiving Offers

A well-run, competitive sale process should produce multiple offers. Your broker presents offers on a like-for-like basis, which may include:

• Headline price
• Structure (upfront vs earn-out)
• NHS contract contingency terms
• Timeline to completion
• Post-sale clinical commitments from the seller

DSO vs independent buyer offers: DSO offers may carry a higher headline price but often include earn-out conditions (12–24 months of deferred consideration contingent on performance). Independent buyer offers typically provide a cleaner single-payment structure. For a full comparison, see our guide on selling to a DSO or independent buyer.

Heads of Terms

Once you select a preferred buyer, your solicitor drafts heads of terms — the non-legally-binding summary of agreed commercial terms:

• Purchase price and payment structure
• Agreed completion timeline
• NHS contract contingency (if applicable)
• Post-sale commitments (clinical sessions, restraint period)
• TUPE confirmation

Heads of terms takes 2–4 weeks to negotiate and agree.

Stage 5: NHS Contract Novation (Months 5–8)

For NHS and mixed practices, the NHS contract novation is typically the longest part of the entire transaction. The contract does not transfer automatically — it must be formally approved by NHS England or the Integrated Care Board.

The Novation Process

1. Pre-application: Confirm that the buyer holds or will hold an NHS Performer number. This is a prerequisite.
2. Application submission: Your solicitor submits the novation application to the NHS England local team or ICB, typically including executed heads of terms, buyer details, and CQC transfer application.
3. ICB review: The ICB assesses the application, checks the buyer’s credentials, and may request additional information or a meeting. Some ICBs are more efficient than others.
4. Approval letter: The ICB issues formal approval for the novation. This is the green light for the solicitors to proceed to exchange.

Typical timeline: 3–6 months from application to approval. Some ICBs can move in 8–10 weeks; others take longer. The novation is almost always the critical path item in a dental practice sale.

Risk: Novation approval is not guaranteed. While most applications are approved, the ICB has discretion — particularly if there are concerns about the buyer’s credentials or track record. Your broker should qualify buyers for NHS suitability before heads of terms are agreed.

For a detailed guide to the novation process, see our full article on NHS contract novation when selling a dental practice.

Stage 6: Due Diligence (Months 5–8, runs alongside novation)

While the novation application is being processed, the buyer’s solicitors and accountants conduct formal due diligence. This runs in parallel with novation to avoid adding extra time to the overall timeline.

What Due Diligence Covers

Legal due diligence (buyer’s solicitors):

• All documents in the data room — accounts, NHS contract, associate agreements, employment contracts, lease, CQC
• Representations and warranties requested
• Any outstanding litigation, HMRC correspondence, or regulatory notices

Financial due diligence (buyer’s accountants or lenders):

• Verification of EBITDA and normalisation calculations
• Bank statement reconciliation against accounts
• UDA delivery verification

CQC transfer application:

• The buyer applies for their own CQC registration for the practice
• This runs on a separate timeline and must be confirmed before completion

Common Due Diligence Issues

• Unsigned associate agreements — buyers will require these to be formalised
• NHS under-delivery not adequately explained
• Lease assignment requiring landlord consent (allow 4–6 weeks for landlord process)
• Outstanding CQC improvement notices

Stage 7: Legal Drafting and Exchange (Months 7–10)

Sale Agreement

Your solicitor drafts the sale agreement (a business sale agreement, not a share sale unless you are selling the company). Key provisions include:

• Purchase price mechanics
• Completion accounts and price adjustment mechanism
• Representations and warranties (accounts, NHS contract, CQC, employment)
• Restrictive covenants (non-compete and non-solicitation)
• TUPE transfer schedule
• NHS contract contingency wording

Negotiating the sale agreement typically takes 4–8 weeks from first draft to agreed form, depending on the complexity of the deal and the buyer’s solicitors.

Exchange and Completion

Exchange and completion are often simultaneous in dental practice sales (unlike property transactions where they are typically separate). On the completion date:

• The buyer pays the agreed purchase price
• Ownership of the business transfers
• TUPE transfers the staff automatically
• The NHS contract novation takes effect (if approval has been received)

Total Timeline: What to Expect

Well-prepared practices complete at the lower end of these ranges. Practices that go to market before preparation is complete add 3–6 months as issues are discovered and remediated during due diligence.

Getting Started

Understanding where your practice sits in this process — and what preparation would make the most difference to your timeline and final price — starts with a valuation.

Get a free confidential dental practice valuation →

For more detail on specific aspects of the process, see:

• How to prepare a dental practice for sale
• NHS contract novation when selling a dental practice
• How much does a dental practice sell for in the UK?

Frequently Asked Questions

How long does it take to sell a dental practice?

NHS and mixed practices typically take 12–18 months from instruction to completion — the primary driver of the longer timeline is the NHS contract novation process, which takes 3–6 months. Private-only practices typically complete in 6–12 months. Well-prepared practices complete at the lower end of these ranges.

What is the most complex part of selling a dental practice?

The NHS contract novation is typically the most complex and time-consuming element for NHS and mixed practices. It requires formal ICB approval, which cannot be rushed, and which carries some uncertainty. The data room preparation and associate agreement documentation are the most common due diligence friction points.

Can I sell a dental practice without a broker?

Technically yes, but it is unusual. A specialist dental practice broker provides access to a qualified buyer database, manages the confidential marketing process, structures the competitive offer process, advises on price and terms, and coordinates the novation and CQC transfer process. Most principals find the broker’s contribution — both in time saved and in final price achieved — more than justifies the fee.