Alex is Sprintlaw’s co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.
If you’re growing and your bank says they’ll only lend more if another lender comes in “behind” them, you’re likely stepping into second lien territory. Don’t stress - once you understand how second liens work, the documents you’ll need, and the risks to watch, you can decide if this kind of funding fits your plans.
This guide breaks down second lien finance in plain English, from priority rules under UK law to the practical steps to put robust, compliant paperwork in place.
What Is A Second Lien And How Does It Work?
A “second lien” is a junior security interest over your company’s assets. In simple terms, a second lien lender takes security that ranks behind a first lien (senior) lender. If things go wrong and the security is enforced, the first lien lender is paid first from the sale of the secured assets, and the second lien lender recovers from what’s left.
In the UK, security is commonly taken by way of a debenture (capturing fixed and floating charges over the business’ assets) or a targeted charge over specific assets (for example, a fixed charge over equipment). A second lien can sit behind either form - so the concept is about priority, not the type of charge.
Second lien funding often appears in growth, acquisition, or recapitalisation scenarios where:
- Your senior lender won’t increase the facility without keeping first ranking security.
- You want extra leverage but don’t want to dilute equity.
- A sponsor (or existing investor) is willing to provide additional debt but needs clarity on enforcement and repayment priority.
Second lien is different from unsecured mezzanine debt. Mezzanine lenders typically don’t have security (or only have a subordinated unsecured claim), whereas a second lien lender does have security - just a junior ranking one.
When Would A Small Business Use Second Lien Finance?
Second lien finance isn’t just for large corporates. We see growing SMEs consider a second lien when:
- Working capital is tight: You have a seasonal cash crunch and your primary facility is maxed out.
- Acquiring a competitor: The senior lender funds part of the price, but insists on maintaining first ranking security over all assets.
- Refinancing legacy debt: You need an injection to restructure without triggering first lien consent to release security.
- Equipment-heavy expansion: You’re adding new kit; the senior lender is happy with the status quo but not a full top-up.
From a cost perspective, second lien debt usually carries higher interest and tighter covenants than senior loans – that’s the trade-off for sitting second in line. Make sure the overall package (interest, fees, covenants, monitoring) actually supports your growth plan.
How Second Lien Priority Works In The UK (Fixed, Floating And Registration)
In the UK, priority between secured creditors is driven by a mix of statute and contract. Here are the practical rules you’ll hear lenders and lawyers refer to, explained simply.
Fixed vs Floating Charges
- Fixed charges attach to specific assets (e.g. land, plant, receivables subject to control). They usually rank ahead of floating charges regardless of timing, provided they’re properly created and the lender has sufficient control.
- Floating charges hover over changing pools of assets (e.g. stock) and “crystallise” on certain events (e.g. default). Priority between floating charges is generally determined by order of creation and registration.
Most second lien structures use a debenture with fixed charges where possible and a floating charge over the rest - but the intercreditor deed (see below) is what ultimately governs who gets paid, when, and how.
Registering Security At Companies House
Under the Companies Act 2006, certain security interests must be registered at Companies House within 21 days of creation. Failure to register generally means the charge is void against a liquidator, administrator or other creditors. That’s a critical risk for both first and second lien lenders.
Registration doesn’t automatically give priority over an earlier charge; it preserves the security’s effectiveness against third parties. Priority is then set by timing, charge type (fixed vs floating), any negative pledge covenants, and most importantly, the contractual ranking agreed between lenders.
Intercreditor Deed (How Ranking Is Agreed)
Almost every second lien deal uses an intercreditor deed (or deed of priority). It’s the contract between the first lien and second lien lenders setting out:
- Ranking: That the first lien ranks ahead of the second lien across specified assets.
- Standstill: When and how a second lien lender can enforce (often paused for a standstill period while the senior lender decides what to do).
- Payment waterfall: Who gets paid first from recoveries and in what order.
- Restrictions: Limits on amendments, additional debt, or distributions by the borrower without senior consent.
From your perspective as the borrower, the intercreditor deed is negotiated between lenders, but it directly affects your operational flexibility and enforcement risk. Make sure you understand covenants and consent mechanics across both facilities so you don’t get trapped between competing requirements.
Key Legal Documents You’ll Need
Getting the paperwork right protects you from day one and keeps all lenders aligned. At a minimum, expect to see (and sign) the following:
1) Senior And Second Lien Loan Agreements
Each facility will have its own loan agreement covering interest, repayment, covenants, and default triggers. Watch for overlapping (or conflicting) reporting requirements, financial covenants and cross-default clauses. It’s wise to align definitions (e.g. EBITDA, Material Adverse Change) across both to avoid accidental breaches. For context on structure and clauses, many SMEs find it helpful to review a plain-English overview of a Loan Agreement before negotiations kick off.
2) Security Documents
Security is typically documented through a debenture or a comprehensive General Security Agreement that includes fixed and floating charges over assets. You may also see specific security (for example, a fixed charge over IP, bank accounts subject to control, or equipment schedules). Make sure security descriptions are accurate, and diarise the 21‑day Companies House registration deadline.
3) Intercreditor Deed
This sits between lenders and governs priority, standstill and waterfall. Borrowers are often party to the deed for acknowledgements and covenant compliance. It’s important you understand what you can (and can’t) do without senior lender consent - especially around additional borrowing, asset disposals, dividends, and amendments to the junior facility.
4) Corporate Approvals
Your board will need to approve entering into the finance documents, creating security, and granting any guarantees. Keep formal minutes and, where helpful, prepare a clear board paper summarising key obligations and risks. If you need a practical overview on formalities, this rundown on Board Resolutions is a good starting point, and many teams also prepare a simple Directors’ Resolution to record approvals.
5) Personal Or Group Guarantees (If Required)
Some lenders ask for extra comfort through personal or related‑entity guarantees. If that’s on the table, make sure you understand the scope, caps and release mechanics, and consider a purpose-drafted Deed of Guarantee and Indemnity that reflects the exact risk you’re willing to take.
Common Risks And How To Manage Them
Second lien deals can be excellent growth tools - but only if you stay on top of the risks. Here’s what to look for and how to manage it.
1) Cross-Default And Covenant Overload
Default under one facility may trigger default under the other. If both agreements have a long list of financial and operational covenants, the risk of accidental breach rises.
- Action: Map covenants and reporting duties across both agreements, align definitions, and negotiate a reasonable cure period. It’s also worth reviewing typical Events of Default so you can address “hair-trigger” issues early.
2) Enforcement And Standstill
If the business stumbles, the senior lender typically controls enforcement for a standstill period. The second lien lender may be restricted from taking action until that period lapses.
- Action: Understand the standstill length, any acceleration rights, and the mechanics for sharing and applying recoveries. Ask your advisers to run “what if” scenarios so you know how a default would actually play out.
3) Asset Sales And Negative Pledge
Negative pledge clauses often restrict you from creating further security or disposing of assets outside the ordinary course.
- Action: Check that your operational plans (e.g. routine asset refreshes, equipment leasing, or subsidiary reorganisations) fit within permitted baskets or de minimis thresholds.
4) Collateral Gaps And Registration
If security isn’t properly drafted, perfected, or registered, a lender might not have the priority they expect - which can lead to last‑minute renegotiation just when you need funds.
- Action: Ensure accurate asset descriptions, execute all ancillary documents (account control, share charges, land registration where relevant), and register charges at Companies House within 21 days.
5) Director And Group Exposure
Group company guarantees and security can spread risk wider than intended, and personal guarantees add individual exposure for directors or owners.
- Action: Clearly define which group entities are borrowers, guarantors and chargors, and ring‑fence where possible. If asked for personal guarantees, seek tailored advice and ensure caps, release conditions, and notice obligations are clearly documented (a bespoke Deed of Guarantee and Indemnity can help manage this).
6) Insolvency Waterfall Expectations
Under the Insolvency Act 1986 and related rules, distributions follow a statutory order, with expenses of the insolvency, preferential creditors, and certain prescribed part allocations affecting what secured creditors ultimately recover.
- Action: Make sure your finance model includes realistic recovery assumptions and that your intercreditor waterfall reflects the intended split after statutory priorities.
Alternatives To A Second Lien If You Can’t Offer More Security
Second lien isn’t the only way to unlock capital. If the structure or costs don’t work, consider these options:
- Unsecured mezzanine debt: Higher interest, often with warrants or fees, but no additional security and simpler intercreditor dynamics.
- Convertible instruments: If you’re comfortable with potential dilution, a convertible note or a SAFE note can provide runway without negotiating complex security stacks.
- Equity raise: A small top‑up round documented with a Term Sheet can be cleaner than adding another lender.
- Director/shareholder loans: Where appropriate, carefully structured related‑party debt can be an interim solution - just be mindful of tax and insolvency considerations covered in Shareholder And Director Loans.
- Restructuring existing debt: If the capital structure is too tight, a negotiated amendment or debt‑for‑equity swap might put the business on a more sustainable footing.
Whichever route you take, lock in clear, well-drafted documents and take advice early - restructuring tends to be cheaper and faster before covenants are breached.
How To Run A Smooth Second Lien Process (Step By Step)
Here’s a practical sequence many SMEs follow to keep momentum and avoid surprises.
1) Define The Funding Need
Be specific about the use of proceeds, timing, and minimum viable facility size. This helps lenders price risk and keeps negotiations focused.
2) Map The Capital Stack
List all existing facilities, security, guarantees, and key covenants. Identify consents needed from existing lenders (often required before you can sign a junior facility).
3) Align Term Sheets
Work towards aligned definitions and covenant frameworks across senior and junior term sheets. Aim to avoid drafting conflicts later.
4) Prepare Corporate Approvals
Schedule board meetings, collate constitutional documents, and minute approvals for borrowing, granting security, and signing finance documents (a short Directors’ Resolution helps keep records tidy).
5) Close And Register
On signing, make sure charges are registered at Companies House within 21 days. Keep a checklist for conditions precedent (CPs), including insurance endorsements, account control confirmations, and any landlord waivers if you have critical assets on leased premises.
6) Build A Compliance Calendar
Populate covenants, reporting dates, and financial ratio tests into your calendar. Assign ownership to specific team members and consider setting up an internal monthly covenant pack to stay ahead of issues.
Frequently Asked Questions About Second Lien
Is A Second Lien Always More Expensive?
Usually yes - pricing reflects the junior ranking and the intercreditor restrictions that can limit a second lien lender’s enforcement options. That said, blended cost of capital may still be attractive compared to equity.
Can A Second Lien Have Any First Ranking Security?
Sometimes. It’s common to negotiate small “first-out” baskets over specific assets (e.g. a piece of new equipment) if the senior lender agrees. The intercreditor deed should spell out any carve-outs clearly.
Do We Need To Change Our Senior Facility?
Often yes. Expect an amendment to your senior loan to allow junior debt, set baskets, and add negative pledge or consent mechanics. That amendment will usually be a condition to the junior facility funding.
What Happens If We Breach A Covenant?
Check the cure rights in both facilities and the intercreditor deed. Some breaches can be cured (e.g. by equity injection) within a grace period. Understand the Events of Default in advance so you can act quickly and maintain lender confidence.
Key Takeaways
- A second lien is a junior, secured position that ranks behind your senior lender - it can unlock extra funding without giving up equity, but expect higher pricing and tighter terms.
- Priority in the UK is driven by charge type (fixed vs floating), Companies House registration, and - critically - the intercreditor deed that sets ranking, standstill and payment waterfall.
- Core documents include the senior and junior Loan Agreements, a comprehensive General Security Agreement or debenture, the intercreditor deed, board approvals, and any guarantees or indemnities.
- Manage risk by aligning definitions and covenants across facilities, understanding enforcement and standstill mechanics, and diarising registration and reporting obligations.
- If second lien isn’t feasible, consider unsecured mezzanine, a convertible or SAFE, a small equity top‑up with a Term Sheet, related‑party debt (see Shareholder And Director Loans), or a negotiated debt‑for‑equity swap.
- Get tailored advice before you sign - a small fix at term sheet or drafting stage can save significant cost and disruption later.
If you’d like help reviewing a second lien structure, preparing your security package, or negotiating an intercreditor deed, you can reach us at 08081347754 or team@sprintlaw.co.uk for a free, no‑obligations chat.


