Confidentiality when selling a business

Confidentiality is one of the biggest concerns owners have before listing. The risk is real: a leaked sale can cause staff to leave, key customers to start looking elsewhere, and competitors to start poaching. The good news is that with a few practical disciplines, confidentiality through to heads of terms is achievable for most UK SME sales.

What follows covers the layered protections that actually work, including the NDA process, per-field disclosure on a public listing, and how to handle the conversations that are hardest to keep contained.

What an NDA actually does

A Non-Disclosure Agreement (NDA, sometimes "confidentiality agreement") is a legal contract where the buyer agrees not to share information you disclose about the business. UK NDAs are enforceable; the practical limits are:

• Enforcement requires proof of breach, which is often hard to establish
• Damages are typically capped at the actual loss caused, which can be hard to quantify
• Courts will not enforce overly broad NDAs (e.g. ones that try to suppress public-domain information)

NDAs are valuable as a deterrent and as the basis for a formal claim if something goes wrong. They are not a magic shield, and you should still control what you disclose.

Per-field disclosure on a public listing

The most practical layer of confidentiality is choosing carefully what appears on your public listing versus what only appears post-NDA. Fair Handover's listing builder lets you choose per field. Common patterns:

Public (pre-NDA):

• Sector and sub-sector
• Town and county (not street address)
• Year established
• Headline asking price band
• Anonymised description of what the business does

Post-NDA only:

• Business trading name
• Full address and postcode
• Detailed financials
• Customer concentration breakdown
• Key supplier and contract terms
• Owner identity and contact details

Never disclosed:

• Anything you specifically choose to keep off the platform (trade secrets, specific recipes, patented processes, anything you would not be comfortable sharing even under NDA)

The NDA workflow on Fair Handover

1. Buyer sees the anonymised public listing and clicks "Request access"
2. They sign the NDA electronically (2 to 3 minutes)
3. They get access to the detailed listing (your post-NDA fields)
4. You get an email notification and can see who has signed
5. You can revoke access at any time if a particular buyer concerns you

Who is hardest to keep in the dark, and how

Key staff. The hardest. Some sellers tell senior staff at heads of terms (under NDA); others wait until completion is imminent. Telling earlier risks them leaving; telling later risks damage to staff trust on announcement. Solicitor advice on timing matters.

Major customers. Less risky than staff. Most customers will not notice a change of ownership immediately; some will need to know for contract assignment reasons. Most sellers handle this in the first 30 days after completion, via a personal call from you and the new owner.

Competitors. Real risk if your listing is too specific. The fix is per-field disclosure: be vague about the trading name, exact location, and unique selling proposition in the public listing.

Family. Soft risk; harder to enforce. Most owners need to tell immediate family early because the decision affects life plans. Solicitor and accountant typically know first.

Watch out for unintended leaks

• Email forwarding from people you have told
• Social media celebrations of "the deal closing soon"
• LinkedIn profile updates that hint at a career change before announcement
• Conversations in public places (cafes, trains) where colleagues or competitors might overhear
• Deal advisor office gossip; choose advisors who take confidentiality seriously