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A Disclosure Letter is the cornerstone of UK private M&A — the document delivered by the Seller to the Buyer at or before signing of an Asset Purchase Agreement (APA) or Share Purchase Agreement (SPA), qualifying the Seller's warranties by disclosing matters that would otherwise be a breach. Use our free UK template — drafted to the "fully and fairly disclosed" standard articulated in Infiniteland Ltd v Artisan Contracting Ltd [2005] EWCA Civ 758 — covering general and specific disclosures, the structured Disclosure Bundle, knowledge thresholds and signing-to-Completion updating mechanics.
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A Disclosure Letter is a formal document delivered by the Seller to the Buyer at or shortly before signing of a UK M&A transaction. It sits alongside the Share Purchase Agreement or Asset Purchase Agreement and the Tax Deed, and its purpose is to qualify the Seller's warranties by setting out matters that would otherwise be a breach. Each matter "fully and fairly disclosed" qualifies the corresponding warranty so the Seller is not liable for breach to the extent of the disclosure.
UK Disclosure Letters set out two categories of disclosure. General Disclosures are matters deemed disclosed against all warranties — typically the Companies House register, the Land Registry, the Intellectual Property Office register, court file searches, the Insolvency Register, sanctions registers, the ICO data controller register, and any matter in the public domain. Specific Disclosures are warranty-by-warranty disclosures of facts that would otherwise breach a particular warranty — for example, "Warranty 11.1(d) — Litigation: Smith v Larchmont, employment tribunal claim £18,500".
The drafting standard is established by Infiniteland Ltd v Artisan Contracting Ltd [2005] EWCA Civ 758. A matter is "fully and fairly disclosed" only if a reasonable buyer (or its advisers), applying reasonable diligence, could understand the nature and scope of the matter, the warranty against which it is disclosed, and its likely impact on the value of the target or business. A poorly-drafted Disclosure Letter is the single largest source of post-Completion warranty claims in UK M&A.
This template addresses the full set of disclosure mechanics in UK M&A practice.
Seller, Buyer, signing date and the linked APA or SPA with effective Completion date.
Cross-reference to the APA Clauses 7 and 11 + Schedule W, the SPA warranty clauses, or any custom warranty schedule.
"Fully and fairly disclosed" (Infiniteland v Artisan UK standard), "reasonable detail" (less Seller-protective), or "specific only" (no general deemed disclosures).
Companies House, press / public information, government and regulator registers, Disclosure Bundle — deemed disclosed against all warranties.
Expert: 8 public-record categories — Companies House files, Land Registry, IPO register, court searches, Insolvency Register, sanctions registers, ICO register, press.
Expert: 9 warranty topic areas — Tax, Employees, Property, IP, Litigation, Customers / Suppliers, Material Contracts, Environmental, Data Protection.
Expert: actual only (Seller-favoured), imputed / constructive (UK mid-market), or actual + reasonable enquiry (Buyer-favoured) — Infiniteland v Artisan standard.
Expert: list of senior individuals whose knowledge is treated as that of the Seller for the purpose of "Seller's knowledge" warranties.
Expert: GBP floor below which matters need not be disclosed; typically £10,000 to £25,000 for mid-market deals.
Expert: allowed at Completion, no update (Buyer-favoured), or separate Completion Disclosure Letter (UK mid-market default).
Expert: Levison v Farin [1978] — whether Buyer's actual or constructive knowledge prejudices the warranty claim.
Expert: 8-section structure — Corporate, Commercial, Financial, Employment, Property, IP, Litigation / Compliance, Tax.
Expert: explicit acknowledgement that disclosures qualify tax warranties but NOT Tax Deed indemnity covenants.
Expert: warranty and indemnity insurance disclosure with subrogation and recourse mechanics.
Virtual data room (Datasite / Intralinks / Box), physical folders, USB stick, or .zip email delivery.
Expert: 6, 7 or 10 years from Completion to match the warranty time limits in the linked agreement.
Buyer countersignature confirming receipt and acceptance of disclosures; duplicate originals or electronic signatures.
Follow these steps to draft a UK Disclosure Letter qualifying the warranties in a linked APA or SPA.
Provide Seller and Buyer details and the date of the linked APA or SPA being qualified.
Select Asset Purchase Agreement (APA) or Share Purchase Agreement (SPA) — drives the warranty reference structure.
Choose "fully and fairly disclosed" (UK M&A standard — Seller-friendly), "reasonable detail", or "specific disclosure only".
Enable Companies House, press / public, government registers, and the Disclosure Bundle as deemed disclosures.
Choose virtual data room, physical folders, USB stick or email .zip; provide the location or URL.
List specific Companies House files, Land Registry entries, IPO register entries, court searches, ICO registration and press matters relied on.
Disclose by warranty topic — Tax, Employees, Property, IP, Litigation, Customers / Suppliers, Material Contracts, Environmental, Data Protection.
Choose the knowledge threshold (actual / imputed / reasonable enquiry), list knowledge parties, set the materiality floor.
Choose allowed-at-Completion, no-update, or separate Completion Disclosure Letter — the UK mid-market default.
Acknowledge that disclosures here do NOT qualify the Tax Deed indemnity; configure W&I insurance integration.
Preview the Disclosure Letter and download as a PDF (free) or Microsoft Word (.docx) with Expert, ready for delivery at signing.
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Drafted with legal expertise for each jurisdiction, far more thorough than AI-generated drafts that copy generic clauses across borders.
Templates carrying statute references are continuously updated as the law changes. Your document always reflects the current legal framework.
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UK Disclosure Letters operate within a body of case-law that defines what counts as "fully and fairly disclosed", what knowledge thresholds apply, and how disclosures interact with the linked warranty package.
This template is for informational purposes only and does not constitute legal advice. Disclosure Letters are highly specialised — for any transaction above £2 million, transactions where the target has pending litigation, open HMRC enquiries, real property, regulated activities, or where W&I insurance is in place, professional M&A counsel is strongly recommended.
Reviewed for England & Wales, Scotland and Northern Ireland law
The leading UK case is Infiniteland Ltd v Artisan Contracting Ltd [2005] EWCA Civ 758, where the Court of Appeal held that a matter is fully and fairly disclosed only if a reasonable buyer (with the benefit of professional advisers exercising reasonable diligence) could understand the nature and scope of the matter and its impact on the warranty. A bare cross-reference to a document in the Disclosure Bundle is generally insufficient. The standard is the UK M&A market default and gives Sellers maximum warranty protection. The earlier Scots case New Hearts Ltd v Cosmopolitan Investments Ltd 1997 SLT 250 applied a similar approach.
UK M&A practice allows the Seller to deem the Companies House register, the Land Registry, the IPO register, the press and the public record disclosed against all warranties. This protects against minor or technical breaches that the Buyer would discover anyway. The Buyer should run pre-signing searches against all relevant registers as part of due diligence. The Expert version of this template lists specific files within those registers — increasing the chance that the disclosure satisfies the "fully and fairly" standard.
Warranties qualified by "the Seller's knowledge" can be interpreted three ways. Actual knowledge limits the warranty to the personal knowledge of named individuals — Seller-favoured. Imputed (constructive) knowledge extends to the knowledge of directors, officers and senior management — the UK mid-market default. Actual plus reasonable enquiry adds a duty to investigate — Buyer-favoured. The choice is significant: in a small SME with a tightly-held board, the difference between actual and imputed knowledge can be substantial. Infiniteland v Artisan endorses imputed knowledge as the default.
Where a gap exists between signing the APA / SPA and Completion (e.g. for regulatory consents), three approaches exist. (1) No update: disclosures are frozen at the date of the original Letter — Buyer-favoured. (2) Allowed at Completion: the Seller may unilaterally add new disclosures — Seller-favoured. (3) Separate Completion Disclosure Letter: the Seller delivers a fresh letter at Completion, and the Buyer has a short review period with limited remedies (typically termination only for material adverse matters). The UK mid-market default is the third option.
A disclosure qualifies a warranty but does NOT qualify the indemnity-style protection under a Tax Deed (or Tax Covenant). This is the most important interaction in UK M&A practice. If a pre-Completion tax liability is disclosed in the Disclosure Letter, the Seller is still liable under the Tax Deed (which is unconditional save for the deed's own carve-outs — provisions in accounts, post-Completion buyer voluntary acts, change of law). The template includes an express acknowledgement of this distinction.
In Levison v Farin [1978] 2 All ER 1149, the court held that a Buyer's actual knowledge of a fact at signing can prejudice its later warranty claim about that fact. The principle is contested in modern UK M&A — most well-drafted SPAs and APAs include an express clause confirming that the Buyer's knowledge does NOT defeat warranty claims save for matters disclosed in the Disclosure Letter. The template supports both positions: enabling the Levison defence (Seller-favoured) or excluding it (Buyer-favoured market norm).
Draft a Disclosure Letter qualifying the warranties in your linked APA or SPA, applying the Infiniteland v Artisan "fully and fairly disclosed" standard, with structured General and Specific Disclosures, Tax Deed and W&I integration. Fill in the details, preview and download in minutes.
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