Finance Act 2026 & FCA Priorities: Immediate Actions for M&A, Restructuring and Capital Raising

The convergence of Finance Act 2026 provisions and newly published FCA priorities for 2026/27 has created the most significant shift in the UK deal landscape in years, requiring every finance act UK M&A team to reassess tax structuring, covenant drafting and regulatory compliance in live and pipeline transactions. The Finance Act 2026, current as of 13 May 2026, introduces changes to interest deductibility limits, anti-avoidance provisions and corporate reliefs that directly alter purchase-price modelling and debt-push-down economics. Simultaneously, the FCA Annual Work Programme 2026/27, published on 26 March 2026, signals heightened supervisory scrutiny of consumer investments, wholesale market conduct and open finance, themes that will ripple through capital-raising documents and disclosure obligations for months to come.

This article provides a practical, checklist-driven playbook for CFOs, general counsel, private equity sponsors and restructuring advisers who need to act now.

Executive Summary: What Deal Teams Must Do Now

Below is a prioritised action list organised by urgency. Treat this as a stop-gap briefing note for your next investment committee, board meeting or lender call.

Within 30 days:

• Re-run tax models. Update interest-deductibility and relief assumptions in every live deal model to reflect Finance Act 2026 provisions. Flag any transaction where leverage exceeds the revised fixed-ratio thresholds.
• Audit SPA warranties and tax indemnities. Identify clauses that reference prior legislation or assume pre-2026 tax treatment. Circulate redline proposals to counterparties immediately.
• Brief the CFO, GC, tax lead and sponsor. Distribute a one-page summary of the changes below. Ensure board awareness of FCA priority themes that could trigger supervisory queries mid-deal.

Within 60 days:

• Reassess capital-raising structures. Review whether ISA amendments (published 9 March 2026) alter the investor base or product-eligibility assumptions for any planned equity or fund raise.
• Update disclosure letters and data rooms. Add regulatory-change schedules covering Finance Act 2026 and FCA open-finance requirements.
• Engage lenders on covenant language. Propose amended definitions for “Consolidated Tax Charge” and material adverse change (MAC) clauses to capture the new statutory environment.

Within 90 days:

• Prepare for the tax certainty service. The HMRC/HM Treasury tax certainty service is expected to launch in July 2026. Identify transactions that would benefit from advance rulings and assemble submission packs early.
• Conduct an FCA readiness review. For any regulated target or issuer, map internal controls and consumer-outcomes evidence against FCA 2026/27 priority themes. Produce a due-diligence evidence pack in advance of supervisory requests.

Finance Act 2026: Concise Summary for Finance Act UK M&A Deal Teams

The Finance Act 2026 received Royal Assent and is current to 13 May 2026. For transaction professionals, the following provisions carry the greatest deal-level impact.

Key Tax Changes Affecting M&A

Interest deductibility and the corporate interest restriction (CIR). Finance Act 2026 tightens the fixed-ratio rule for groups with net interest expense above the existing threshold, reducing the percentage of tax-EBITDA that can be deducted. For leveraged buyouts and debt-push-down structures, the practical effect is a direct increase in the after-tax cost of acquisition debt. Sponsors must remodel leverage capacity and bid pricing accordingly.

Anti-avoidance provisions. The Act extends targeted anti-avoidance rules (TAARs) to certain intra-group reorganisation reliefs, closing arrangements where companies previously claimed stamp duty and capital gains reliefs on pre-sale hive-downs or demergers that lacked genuine commercial purpose. Deal teams structuring pre-completion reorganisations should obtain fresh tax opinions before relying on inherited planning.

Corporate reliefs and group loss allocation. Amendments to the group relief surrender rules alter the mechanics for computing surrenderable losses within groups that include entities subject to the Pillar 2 top-up tax. The interaction between domestic group relief and the multinational top-up tax framework introduces new modelling complexity for cross-border acquirers.

Capital allowances. Full expensing for qualifying plant and machinery expenditure is confirmed going forward, but the Act introduces sector-specific caps for certain asset-heavy industries. Acquirers of infrastructure or manufacturing targets should verify whether post-completion capex plans remain eligible for full expensing under the revised rules.

Effective Dates and Transitional Rules

Most provisions take effect for accounting periods beginning on or after 1 April 2026. However, several anti-avoidance measures apply to arrangements entered into on or after the date of introduction of the Finance Bill (which preceded Royal Assent). Transitional provisions exist for groups that have already submitted CIR returns for the current period. The Tax Information and Impact Notes (TIINs) published alongside the Act provide clause-by-clause guidance on commencement dates.

FCA 2026/27 Priorities and Practical Impact on Capital Markets and Transactions

The FCA Annual Work Programme 2026/27, published on 26 March 2026, sets out the regulator’s supervisory and enforcement priorities. For deal teams involved in capital raising UK transactions, acquisitions of regulated entities, or liability management exercises touching retail investors, the following themes matter most.

Priority Themes

Consumer investments. The FCA has signalled intensified scrutiny of how investment products are marketed to retail consumers, with a particular focus on value assessments, disclosure quality and product governance. Capital raises that involve retail-facing securities or fund structures should expect closer supervisory attention to prospectus disclosures and consumer-outcome evidence.

Wholesale market conduct. Enhanced surveillance of market abuse, insider dealing and transaction reporting remains a top enforcement priority. Industry observers expect deal teams to face more frequent supervisory queries around information barriers, market-sounding procedures and pre-announcement trading patterns, particularly in contested M&A situations.

Open finance. The FCA’s Open Finance Roadmap, published in April 2026, outlines a phased approach to extending open banking principles into savings, investments and pensions data-sharing. The likely practical effect for M&A and capital-raising transactions will be greater due-diligence scrutiny of a target’s data-sharing infrastructure, consumer consent frameworks and API readiness.

Enforcement posture. The FCA has committed to faster, more outcome-focused enforcement action. Commentary from leading law firms highlights that regulated firms involved in transactions should assume that any compliance weakness identified during a deal process could trigger a standalone enforcement inquiry.

Supervisory Timelines and What to Expect

The FCA’s programme indicates phased implementation throughout FY 2026/27. Early indications suggest the regulator will issue thematic reviews and targeted data requests in Q3 and Q4 2026, particularly focused on consumer investment product providers and firms offering new digital finance products.

Tax and ISA Changes to Factor Into Valuation and Modelling

Beyond the headline corporate tax measures in the Finance Act 2026, deal teams must also account for UK M&A tax changes affecting the investor base and the mechanics of obtaining tax certainty on complex transactions.

ISA Amendments 2026: Investor Eligibility and Product Design

The ISA amendments 2026, published on 9 March 2026, expand the range of qualifying investments that can be held within an ISA wrapper and adjust eligibility rules for innovative finance ISAs. For capital-raising teams, this widens the potential retail investor pool for certain debt and equity instruments. Product teams should review whether their securities now qualify for ISA inclusion and update marketing materials accordingly. The change also affects the demand assumptions in book-building models for retail tranches.

Tax Certainty Service 2026: Mechanics and Timing

HMRC and HM Treasury have confirmed that the tax certainty service 2026 will launch in July 2026. This service will provide binding advance rulings on the tax treatment of qualifying transactions, including M&A structures, reorganisations and capital-raising arrangements. The likely practical effect will be a significant shift in deal timetables: sponsors and corporates pursuing complex transactions should begin preparing ruling requests now, aiming to submit within the first weeks of the service window. Early engagement is expected to reduce execution risk and improve bid certainty on leveraged transactions where tax deductibility is marginal.

Worked Example: Valuation Sensitivity in a Mid-Market PE Buyout

Consider a private equity sponsor acquiring a UK-headquartered manufacturing company at an enterprise value of £250 million, funded with £150 million of senior debt. Under the pre-2026 CIR rules, assume 30 per cent of tax-EBITDA was deductible net interest. If the Finance Act 2026 reduces the fixed-ratio percentage, the sponsor’s annual tax shield on acquisition debt falls materially.

Suppose the revised ratio reduces the deductible interest by £2 million per annum. Over a five-year hold period, that represents a cumulative £10 million reduction in tax benefit. Discounted at a 10 per cent cost of equity, the net present value impact on equity returns is approximately £6.2 million, a meaningful reduction in the sponsor’s returns analysis and a direct input into bid pricing. The sponsor should: (a) remodel the base case with revised CIR assumptions, (b) test whether the group-ratio alternative under existing rules provides a better outcome, and (c) factor the tax certainty service into the deal timetable so that any marginal deductions are confirmed before signing.

Contract, Covenant and Disclosure Checklist for Sellers and Buyers

The regulatory and tax changes summarised above have immediate drafting consequences for transaction documents. Below is a practical checklist for deal lawyers, corporate finance advisers and in-house counsel working on finance act UK M&A transactions in the current environment.

SPA and Warranty Drafting Red Flags Post-2026

1. Tax warranties referencing “current law”. Any warranty that assumes the tax position as at a date prior to Finance Act 2026 must be updated. Sellers should resist backdated warranty language; buyers should insist on forward-looking coverage that explicitly references the Act.
2. Tax indemnity carve-outs. Review carve-outs for “changes in law”, the standard formulation may inadvertently exclude Finance Act 2026 provisions if the indemnity is pegged to the date of the most recent accounts rather than completion.
3. Reorganisation relief confirmations. Where the deal structure involves pre-completion steps that rely on reorganisation reliefs, add a specific condition precedent requiring confirmation that the steps qualify under the extended TAAR framework.
4. Capital allowance schedules. For asset-heavy targets, include a detailed schedule of qualifying expenditure and confirm eligibility under sector-specific caps introduced by the Act.
5. Pillar 2 disclosure. For targets within multinational groups, require disclosure of the group’s Pillar 2 status and any top-up tax liabilities that may interact with the group relief changes.

Covenant Drafting for Lenders

Lenders and borrowers should revisit financial covenant definitions in credit agreements and bond indentures. Key adjustments include:

• “Consolidated Tax Charge” definition. Expand the definition to capture Pillar 2 top-up taxes and any disallowed interest that creates a deferred tax liability under the tightened CIR rules.
• Material Adverse Change (MAC) clauses. Consider whether a legislative change that reduces tax deductibility by more than a specified threshold triggers MAC. Industry observers expect negotiation of carve-outs to intensify on this point.
• Permitted reorganisation baskets. Tighten the conditions under which intra-group reorganisations are permitted without lender consent, reflecting the higher tax risk associated with the extended TAARs.

Disclosure Letter Checklist

1. Schedule of all arrangements entered into after the Finance Bill introduction date that rely on reorganisation or intra-group reliefs.
2. Copies of any CIR returns filed for the current period, plus modelling of the revised fixed-ratio impact.
3. Confirmation of the target’s FCA regulatory status, including any open supervisory correspondence or thematic review participation relating to FCA priorities 2026.
4. Consumer duty compliance evidence (where the target is a regulated firm with retail-facing products).
5. Open-finance readiness assessment, including API audit and data-sharing consent frameworks.

Liability Management and Corporate Restructuring UK Playbook

For companies facing balance-sheet stress or seeking to optimise their capital structure in light of the 2026 changes, liability management UK options must be evaluated afresh. The interaction between Finance Act 2026 tax rules and FCA conduct obligations shapes both the menu of available actions and the risk profile of each.

Liability Management Options

Consent solicitation. A bondholder vote to amend terms, such as extending maturity, adjusting coupon, or waiving covenants, remains the fastest soft-touch option. Post-2026, deal teams should ensure that the tax consequences of any modified terms (particularly where the modification triggers a deemed disposal for tax purposes) are modelled under the new Act.

Exchange offer. Swapping existing debt for new securities (debt-for-debt or debt-for-equity) raises shareholder dilution issues and may require shareholder approval. Under Finance Act 2026, the tax treatment of the exchange, including any deemed gain or loss and the availability of rollover relief, must be re-verified against the extended anti-avoidance provisions.

Open-market buyback. Purchasing outstanding bonds in the secondary market is operationally straightforward but carries market abuse risk. The FCA’s 2026/27 emphasis on wholesale market conduct means that buyback programmes must be accompanied by robust compliance monitoring and disclosure protocols.

Restructuring Steps and Statutory Processes

Where liability management alone is insufficient, companies may need to pursue formal corporate restructuring UK processes, including schemes of arrangement under Part 26 or Part 26A of the Companies Act 2006, or company voluntary arrangements (CVAs). The Finance Act 2026 introduces considerations for restructuring professionals: tax losses arising from debt write-downs may be subject to revised anti-avoidance scrutiny, and groups emerging from restructuring must re-establish their CIR position under the new fixed-ratio rules from the first post-restructuring accounting period.

A practical mid-market scenario illustrates the sequencing. A company with £80 million in outstanding high-yield bonds and deteriorating EBITDA coverage might pursue: (1) an initial consent solicitation to waive financial covenants and buy time (4–6 weeks); (2) a parallel exchange offer to convert a portion of debt into equity (6–10 weeks); and (3) if these soft options fail, a Part 26A restructuring plan to cram down dissenting creditors. At each stage, the deal team must model the Finance Act 2026 tax implications, particularly the treatment of any gain arising on debt modification or cancellation, and prepare FCA disclosure evidence if retail bondholders are involved.

Due Diligence and Disclosure: Regulatory Prompts and Evidence Pack

The combined effect of the Finance Act 2026 and FCA priorities 2026 is a higher regulatory evidence burden on both buy-side and sell-side deal teams. Assembling a comprehensive evidence pack early in the transaction process reduces execution risk and strengthens negotiating position.

Core Documents to Produce

• Tax opinion pack. Updated opinions covering CIR position, reorganisation relief eligibility, Pillar 2 interaction and capital allowance qualification under Finance Act 2026.
• HMRC correspondence file. Copies of any advance clearance applications, TIIN-related queries and, once available, tax certainty service submissions.
• FCA self-assessment. For regulated targets, a completed self-assessment against FCA 2026/27 priority themes, including consumer duty compliance, market conduct controls and open-finance readiness.
• Open-finance audit. API infrastructure review, consumer consent records and data-sharing governance framework, especially for fintech targets or platforms handling investment data.
• Regulatory correspondence and visit reports. Full file of FCA/PRA correspondence for the preceding 24 months, with summaries of any remediation commitments.
• Internal controls evidence. Board minutes, compliance monitoring reports and personal account dealing records relevant to wholesale market conduct.

Practical Timeline and Who to Brief

Ensure that the board receives a formal briefing by day 30, covering both the Finance Act 2026 deal implications and the FCA’s stated enforcement posture for 2026/27.

Key Regulatory and Legislative Dates

Conclusion

The 2026 regulatory and legislative cycle demands immediate, coordinated action from every participant in UK M&A, restructuring and capital-raising transactions. The finance act UK M&A implications are not abstract: they affect bid pricing, covenant mechanics, disclosure obligations and deal timetables today. Deal teams that move quickly, updating tax models within 30 days, revising transaction documents within 60 days and positioning for the tax certainty service by day 90, will secure a material advantage over those who wait. The FCA’s parallel escalation of supervisory and enforcement priorities reinforces the need for integrated regulatory and tax planning from the earliest stages of any transaction.

Early preparation, rigorous documentation and specialist advisory input are the clearest path to execution certainty in this new environment.

Sources

1. Finance Act 2026 (primary legislation), legislation.gov.uk
2. FCA Annual Work Programme 2026/27, fca.org.uk
3. Tax Information and Impact Notes (TIINs), GOV.UK
4. Linklaters, FCA regulatory priorities commentary
5. Womble Bond Dickinson, 10 financial regulatory changes for 2026
6. Latham & Watkins, 10 Key Focus Areas for UK Regulated Financial Services Firms in 2026
7. UK Finance, National Security and Investment Act: Its Impact on M&A