Written by Legal ethics · Conflicts of interest · Client trust
Conflicts of interest are not a technical irritation in legal practice. They go to the heart of loyalty, confidentiality, independence and public confidence. A firm that cannot identify who it owes duties to, what information it holds, and whether one instruction compromises another is not merely managing a risk. It is testing the conditions on which legal advice is trusted.
Publication snapshot
This article examines why conflict checks matter in legal practice, how conflicts can arise, why confidentiality and former-client information are central, and what a disciplined firm should be able to show before acting. It is framed around solicitors' professional obligations in England and Wales, while keeping the core public lesson simple: conflict management is not just compliance. It is part of the architecture of client trust.
Why conflicts matter
The legal profession holds a privileged position because clients disclose information that they would not usually share with anyone else. They may disclose weaknesses, commercial strategy, family circumstances, business pressures, personal vulnerability, litigation risk, financial information, criminal exposure, regulatory concerns or private instructions. That trust only works if the client can believe that the professional relationship is not divided.
A conflict of interest is therefore not simply an administrative problem. It can affect the quality of advice, the protection of confidential information, the fairness of a process and public confidence in legal services. A client who discovers that the same firm is acting in a connected adverse matter may not only question the outcome. They may question whether their information, position and trust were protected from the start.
The risk is not confined to obvious litigation between two current clients. Conflicts can arise through former-client information, the solicitor's own interests, related matters, connected companies, repeat instructions, shared assets, referral arrangements, complaints about earlier advice, or work that appears separate until the underlying facts are mapped properly.
Types of conflict
The most obvious conflict is direct adversity: two clients want outcomes that cannot both be advanced by the same lawyer without compromising independent judgement or loyalty. In litigation, that is usually clear. In transactional, family, commercial, landlord and tenant, employment or estate-related work, the position can be less obvious because the conflict may develop as the matter progresses.
Own-interest conflicts require particular caution. They arise where the solicitor's duty to act in a client's best interests conflicts, or risks conflicting, with the solicitor's own interests. That may include financial interests, personal relationships, business relationships, employment connections, or situations where the solicitor's own conduct is in issue.
Former-client conflicts are different again. The issue may not be that the firm still acts for the former client. The issue may be whether the firm holds confidential information that is material to a new matter where the new client's interest is adverse to the former client's interest.
Current-client conflict
Duties owed to two or more current clients in the same or a related matter may conflict.
Own-interest conflict
The solicitor's own interests, conduct or relationships may compromise the duty owed to the client.
Former-client risk
A new adverse matter may engage confidential information obtained from an earlier client.
The regulatory frame
The SRA Principles set the ethical frame. They require those regulated by the SRA to act in a way that upholds the rule of law and the proper administration of justice, public trust and confidence, independence, honesty, integrity, equality, diversity and inclusion, and each client's best interests.
The Code of Conduct then gives the conflict rules practical form. It says that solicitors must not act where there is an own-interest conflict or a significant risk of one. It also restricts acting where there is a conflict of interest or significant risk in a matter, unless the specified exceptions and conditions are satisfied.
Those conditions are not box-ticking. Where an exception can apply, the clients must give informed consent given or evidenced in writing, effective safeguards must be put in place where appropriate to protect confidential information, and the solicitor must be satisfied that it is reasonable to act for all clients.
Confidentiality and former clients
Confidentiality is often the centre of the real problem. A firm may say that two matters are separate, that a retainer has ended, or that different departments are involved. Those points may be relevant, but they are not always decisive. The more precise question is whether the firm holds confidential information that is material to the later matter.
The SRA Code requires the affairs of current and former clients to be kept confidential unless disclosure is required or permitted by law or the client consents. It also restricts acting in a matter where a client has an interest adverse to another current or former client and the firm holds material confidential information, unless effective measures remove any real risk of disclosure or informed written consent is given.
That is why conflict analysis cannot be reduced to a name search. The firm must understand the substance of what it knows. What did the earlier retainer involve? What confidential information was obtained? Is that information material to the new matter? Could it advantage the new client or constrain the advice given? What safeguards exist, and were they in place before the risk arose?
Systems, not memory
A proper conflict system cannot depend on individual memory. Firms need intake procedures, matter opening checks, database searches, related-party mapping, former-client checks, information-barrier protocols and escalation routes. Technology can help, but only if the underlying data is accurate and the firm asks the right questions.
A conflict check that records only client names may miss the asset, property, company, family member, transaction, dispute, adviser, landlord, insurer, beneficiary or former matter that creates the real risk. A better system records relationships, connected parties, adverse interests, material confidential information, former-client links and the reason for any decision to proceed.
The point is not that every theoretical connection prevents a firm from acting. It does not. The point is that the firm should be able to show how it identified the connection, analysed the risk, considered consent and safeguards, and reached a reasoned decision.
Map the parties
Identify clients, former clients, connected entities, opponents, referrers, witnesses and beneficial interests.
Map the matter
Check whether the new matter is the same, related, adverse or connected through an asset, dispute or confidential information.
Record the decision
Keep the analysis, consent position, safeguards, refusal decision or escalation note.
Ethical decision-making
Ethical decision-making in conflicts work is practical rather than abstract. It requires the firm to identify the duty engaged, the client affected, the information at risk, the matter connection, the available options and the reason why acting is or is not appropriate.
Consent is not a cure for every problem. It must be informed, given or evidenced in writing where required, and based on enough information for the client to understand the risk. In some situations, especially own-interest conflicts, consent will not solve the problem. In others, a matter may be too conflicted, too sensitive or too unequal for continued acting to be reasonable.
Information barriers are not magic words. The SRA guidance points to effective safeguards, and in some circumstances structural separation within a firm may be needed so confidential information cannot pass from one lawyer to another. A firm should be able to explain what barrier existed, when it was imposed, who was separated, what information was protected, and why there was no real risk of disclosure.
When conflicts are missed
When a conflict is missed, the consequences can be serious. A client may lose confidence in the advice. A firm may have to stop acting. Confidentiality may be called into question. A transaction, settlement, complaint, litigation step or regulatory process may become more difficult. Professional conduct issues may arise.
But not every connection proves a breach. A former client cannot usually prevent a firm from ever acting in a different matter. The proper question is narrower: was there an own-interest conflict, a client conflict, a former-client confidentiality risk, or a significant risk of one? Was the matter the same or related? Was confidential information material? Was consent required and obtained? Were safeguards effective?
That discipline matters because overstatement weakens the complaint. The strongest conflict argument is usually not that the firm should never act for anyone else. It is that this instruction, against this background, engaged this duty, and the firm cannot show a proper route through the risk.
The evidence route
A conflict concern should be mapped before it is escalated. Start with the earlier matter. Who was the client? What work was done? What confidential information was supplied? What documents, assets, people, companies, properties, beneficiaries or disputes were involved?
Then map the later matter. Who is the new client? What outcome are they seeking? How is that adverse or potentially adverse to the former or current client? Which individuals in the firm are involved? What information may overlap? What explanation has the firm given?
Finally, identify the route. Is the issue client conflict, own-interest conflict, former-client confidentiality, misuse of information, failure to disclose material information, poor systems, inadequate supervision, negligence, data protection, complaint handling or regulatory reporting? Separating those questions makes the issue harder to dismiss.
Earlier matter
Keep the client care letter, retainer scope, key correspondence, documents and confidential information supplied.
Later matter
Keep the parties, dates, issue overlap, adverse steps, firm explanation and any consent or safeguard evidence.
Escalation route
Separate conduct, confidentiality, negligence, complaint, data protection and evidence-preservation issues.
Source anchors
These sources support the professional conduct framework used in this article. They do not prove any disputed conflict, confidentiality breach, negligence issue, client complaint or organisation-specific failure.
SRA Principles
Rule of law, public trust, independence, honesty, integrity and client interests.SRA Code of Conduct
Conflict, confidentiality, disclosure, competence and accountability duties.SRA conflicts guidance
Own-interest conflicts, client conflicts, adverse interests, consent and safeguards.SRA confidentiality guidance
Current and former client confidentiality, misuse of information and continuing duties.SRA client care guidance
Scope, expectations, responsibilities, contact details and clear matter opening information.SRA putting matters right
Responding when a problem with service or earlier advice may have arisen.The Legal Lens point
Conflict management is not an internal formality. It is part of the legal profession's promise that advice will be independent, confidential and loyal to the client within the limits of the professional rules.
The practical question is not whether a firm says it ran a conflict check. It is whether the firm can show what it checked, what information it held, what duties were engaged, what consent or safeguards were needed, and why it concluded that it could act.
Where that route is documented, public trust is protected. Where it is missing, the issue is not just a defective process. It is whether the client can still trust that the professional relationship was properly protected.
Conflict and confidentiality route map
Get a free written assessment of the route
If a solicitor or law firm conflict issue involves former-client information, adverse acting, missing consent or unclear safeguards, Legal Lens can help organise the documents, issues and route before escalation or specialist review.
Clarify whether the issue is current-client conflict, own-interest conflict, former-client confidentiality or matter overlap.
Connect the earlier matter, later instruction, confidential information, adverse interest and firm explanation.
Separate complaint, SRA conduct issue, Legal Ombudsman issue, negligence question and data protection issue.
Duties, confidential information, adverse interests, consent, safeguards and route selection.
Retainers, correspondence, chronology, overlap, missing records and next questions.
Independent Legal Lens consultancy. Legal Lens is not a regulated solicitors' firm. A preliminary assessment is not a substitute for regulated legal advice where that is needed.