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.
Buying a limited company can be a smart way to fast‑track growth, acquire customers, enter a new market or absorb valuable talent and IP. But the legal side matters just as much as the commercial deal - especially if you want clean ownership, certainty about liabilities and a smooth handover.
In this guide, we break down how buying a limited company works in the UK, the key decisions you’ll need to make, and the legal documents and compliance steps that protect you from day one.
Is Buying A Limited Company Right For Your Small Business?
If you’re looking to scale quickly, buying a limited company can help you skip the early setup phase, inherit a trading history and potentially secure finance more easily. It can also be cheaper and faster than building the same capability from scratch.
That said, it isn’t right for everyone. Before you commit, think about:
- Why you’re buying: Customers, contracts, brand, product, technology, supply chain or strategic expansion.
- What you’re buying: The shares in the company (including its liabilities), or just specific assets (stock, IP, domain, equipment, brand).
- How you’ll run it: Keep it as a standalone subsidiary or integrate it into your existing operations. This impacts contracts, staff transfers and governance.
- Risks: Tax exposures, hidden debts, disputes and compliance gaps - these are manageable with proper due diligence and good drafting.
If speed is your main concern and you don’t need an operating business, you could also consider a shelf company for a ready‑made company with no trading history - but remember you won’t get customers, IP or contracts with that route.
Share Purchase Vs Asset Purchase: What’s The Difference?
Your first decision is the transaction structure. In simple terms, there are two common routes:
1) Share Purchase (Buy The Company)
You acquire the target company’s shares from its existing shareholders. After completion, you own the company together with all assets, contracts, employees and liabilities it already has.
Pros:
- Continuity - minimal disruption for customers and suppliers; contracts usually continue without needing to be re‑signed.
- Licences and permits typically remain in place (subject to any change‑of‑control provisions).
Cons:
- You inherit historic liabilities and risks, so you’ll need robust warranties, indemnities and thorough due diligence.
- Stamp Duty at 0.5% is payable on the consideration for shares.
2) Asset Purchase (Buy Selected Assets)
You pick and choose what to buy - for example, brand, website, inventory, IP, equipment or customer lists. The seller keeps any assets and liabilities you don’t expressly purchase.
Pros:
- Cleaner - you can avoid unwanted liabilities and legacy issues.
- Flexibility to structure how much of the business you take on.
Cons:
- Consents may be needed to assign key contracts and licences.
- Employees usually transfer under TUPE, bringing specific consultation and information obligations.
As a rule of thumb, a share purchase is best for continuity; an asset purchase is best for risk control. The right choice depends on the quality of the business and the results of your diligence. Either way, getting the contract right - a Share Sale Agreement for shares or a Business Sale Agreement for assets - is crucial.
The Due Diligence Checklist Before You Buy
Due diligence is your opportunity to “lift the bonnet” and confirm what you’re buying. A structured approach will reduce surprises and give you leverage to negotiate price, retention/escrow or specific protections.
Corporate And Ownership
- Companies House filings, articles of association, shareholder registers and options/shares in issue.
- Outstanding charges, debentures or security interests over assets.
- Any shareholders’ agreements, side letters or veto rights that affect control.
- Accuracy of the People With Significant Control (PSC) information.
Financial And Tax
- Management accounts, statutory accounts and cash flow.
- VAT, PAYE and corporation tax filings; any HMRC correspondence or arrears.
- Loans, director loans and contingent liabilities (e.g. guarantees).
Commercial And Contracts
- Top customer and supplier contracts, including termination and change‑of‑control clauses.
- Leases (property, equipment), distribution/agency agreements and any exclusivity obligations.
- Material litigation, complaints, refunds and warranty claims.
Employees And Contractors
- Employment contracts and staff handbook; pay, bonus and commission structures.
- HR policies and historic disputes, grievances or tribunal claims.
- Right‑to‑work checks and IR35/contractor arrangements.
Intellectual Property And Data
- Trade marks, domains, software code ownership and licences.
- Assignment agreements from employees/contractors to ensure the company actually owns the IP.
- Data protection compliance (UK GDPR/Data Protection Act 2018), including privacy notices, data maps and any data processing terms for third‑party processors.
Regulatory And Operational
- Sector licences and registrations, health and safety records and insurance.
- Consumer compliance (for B2C businesses), including the Consumer Rights Act 2015 on quality, refunds and unfair terms.
- Environmental permits, if applicable.
It can be overwhelming to know where to start - that’s why many buyers instruct lawyers to run a tailored due diligence process and highlight red flags you can either price in or cover with warranties and indemnities.
Essential Legal Documents For Buying A Limited Company
The contract suite you use will depend on whether you’re buying shares or assets, and how the price is structured. Here are the essentials.
1) Heads Of Terms
A short, non‑binding document that captures the key deal points - price, what’s being bought, completion conditions, any earn‑out, restrictive covenants and exclusivity. Although it’s not the full contract, closing gaps here avoids later friction.
2) Share Sale Agreement Or Business Sale Agreement
For a share purchase, the Share Sale Agreement (also called SPA) sets out: price and adjustments, warranties, indemnities, limitations of liability, completion deliverables and post‑completion undertakings. For an asset purchase, a Business Sale Agreement (APA) transfers specified assets, contracts and staff and deals with apportionments and TUPE obligations.
Don’t rely on templates - these agreements need to be tailored to your risk profile and the specific issues uncovered in diligence.
3) Disclosure Letter
In a share purchase, the seller “discloses” exceptions to warranties in a formal letter with a bundle of documents. This process protects the seller but also gives you a detailed picture of risks. Anything not fairly disclosed remains covered by the warranty.
4) Ancillary Documents And Completion Pack
- Share transfer instruments (stock transfer forms) and updated share certificates for a share deal - and any consent needed for a share transfer.
- Board and shareholder resolutions to approve the transaction, appoint/remove directors and amend the bank mandate.
- Resignations (directors/secretary) and service agreement terminations, if management is changing.
- Third‑party consents for change‑of‑control or assignment under key contracts and licences.
- Transitional services agreement if the seller is providing finance, IT, or other support post‑completion.
5) Employment And Incentives
If you’re keeping the team, check contracts, update reporting lines and consider retention or new incentive arrangements. Issuing options or new shares later will also require solid governance and, ideally, a clear Shareholders Agreement if multiple owners are involved.
6) Data And Customer Communications
If customer data is part of the deal, you’ll need a lawful basis to process it, appropriate processor terms with vendors, and clear privacy notices. Make sure your public‑facing documentation - including your Privacy Policy - aligns with the Data Protection Act 2018 and UK GDPR.
7) Completion Mechanics And Tax
- Stamp Duty: 0.5% on the consideration for shares (share purchase). You usually submit the stock transfer form to HMRC and pay within 30 days.
- Price adjustments: Confirm whether you’re using completion accounts or a locked box and how cash, debt and working capital are treated.
- Escrow/retention: Consider holding back a portion of the price to cover warranty claims.
What Happens After Completion? Filings, Staff And Integration
Once the ink is dry, there are still a few critical steps to tick off to stay compliant and integrate the business smoothly.
Companies House And Statutory Registers
- Update the company’s registers (members, directors, PSC) and issue new share certificates.
- File director appointments/removals (AP01/TM01) and update the PSC details if they’ve changed.
- Ensure the next confirmation statement reflects new ownership.
Banking, Insurance And Licences
- Change the bank mandate and payment authorisations; set appropriate spending controls.
- Review insurance cover (public liability, professional indemnity, cyber) and notify insurers about the change in control.
- Deal with any licences that require re‑registration or notification.
Employees And TUPE
For share purchases, employees generally remain employed by the same entity with continuity preserved under the Employment Rights Act 1996.
For asset purchases, TUPE typically transfers employees to you on their existing terms. There are obligations to inform and, in some cases, consult. Avoid making changes until you’ve assessed TUPE risks and, where necessary, sought advice.
If you’re hiring new staff or updating terms, make sure each team member has a compliant Employment Contract and that your policies are aligned with your operations.
Customer, Supplier And Operational Integration
- Notify customers and suppliers (where appropriate) and reassure them about continuity of service.
- Set out a plan for migrating systems and data securely and lawfully.
- Review standard terms and key trading contracts; this is a great time to refresh protections like limitation of liability, IP ownership and termination rights.
Governance And Shareholder Alignment
If there will be multiple owners after the acquisition or if you’re rolling a seller into equity, put in place a clear Shareholders Agreement and check whether the existing articles need updating. Good governance now reduces disputes later, particularly around exits, dividends, reserved matters and vesting.
When To Seek Tailored Advice
Every acquisition is different. If diligence throws up issues (for example, missing IP assignments, aggressive change‑of‑control clauses, or tax exposures), the fix usually belongs in the contract - an indemnity, a price adjustment, or a condition precedent to completion. It’s wise to work with a lawyer who can translate those findings into practical, commercial protections.
Key Takeaways
- Decide early whether a share purchase or asset purchase suits your goals - a share deal preserves continuity but needs stronger protections; an asset deal offers cleaner risk allocation but more consents.
- Run structured due diligence across corporate, financial, contracts, employees, IP/data and regulatory matters, and use the findings to negotiate warranties, indemnities and price.
- Use the right core agreement - a Share Sale Agreement for shares or a Business Sale Agreement for assets - plus a robust disclosure letter and a clear completion pack.
- Plan your completion and post‑completion steps: HMRC Stamp Duty (for share deals), Companies House filings, bank mandate changes and updates to the PSC register.
- Think ahead about people and integration - TUPE for asset deals, updated Employment Contracts, data protection compliance and communications with customers and suppliers.
- Lock in governance once the dust settles: align owners with a practical Shareholders Agreement and refresh the articles if needed.
- If you only need a corporate vehicle and not an operating business, consider a shelf company - but remember you won’t acquire customers, IP or contracts.
If you’d like tailored help with buying a limited company - from diligence and drafting to filings and completion support - you can reach us on 08081347754 or team@sprintlaw.co.uk for a free, no‑obligations chat.


