When Does a Firm Need a Fractional MLRO?

When Does a Firm Need a Fractional MLRO?

The fractional MLRO is one of the least understood senior management arrangements in FCA-regulated financial services. It exists at the intersection of regulatory obligation — every FCA-authorised firm must have an approved SMF17 MLRO — and commercial reality: many smaller regulated firms cannot justify, fund, or fill a full-time MLRO role. The fractional arrangement resolves this tension, when it is structured correctly. When it is not, it creates a compliance posture that satisfies the letter of the regulatory requirement while failing its substance.

This guide is written for CEOs, chairs, and compliance leads at FCA-regulated firms who are considering whether a fractional MLRO is appropriate for their business — and for those currently operating with a fractional arrangement who want to understand whether it is working as it should. It covers the FCA’s position on part-time SMF17 arrangements, the conditions under which a fractional MLRO is genuinely appropriate, the conditions under which it is not, how to structure the arrangement so it withstands regulatory scrutiny, and the indicators that a firm has outgrown the fractional model and needs to move to a permanent appointment. For Exec Capital’s fractional MLRO service, see our Fractional MLRO page.

The FCA’s position on fractional and part-time MLRO arrangements

The FCA does not prohibit part-time or shared MLRO arrangements. The Senior Managers and Certification Regime requires every FCA-authorised firm to have a named, FCA-approved individual holding the SMF17 function — it does not specify that the individual must be employed full-time or exclusively by the firm. A fractional MLRO who is approved by the FCA, who holds the SMF17 function at the firm, and who is genuinely discharging the responsibilities of the function satisfies the regulatory requirement.

What the FCA does require is that the SMF17 holder is genuinely available and genuinely accountable — not that they are nominally available. The FCA’s SYSC sourcebook requires firms to ensure that their compliance and AML arrangements are proportionate to the nature, scale, and complexity of the firm’s activities. A fractional arrangement that works for a small FCA-authorised firm with a limited, low-risk product set and a modest customer base may not work — and will not satisfy the FCA — for a firm with a complex AML risk profile, high SAR volumes, or a rapidly growing customer population.

The FCA’s financial crime supervisory visits and skilled person reviews have identified a recurring pattern in smaller regulated firms: an SMF17 holder who is approved, who appears on the firm’s register, but who is not in practice making SAR decisions, not maintaining the AML risk assessment, and not providing the board with meaningful financial crime reporting. This arrangement fails the substance of the requirement regardless of the form. The regulator’s interest is in whether the function is being discharged, not in whether a named individual holds it on paper.

When a fractional MLRO is genuinely appropriate

A fractional MLRO works best for FCA-regulated firms that are small, operating with a relatively simple and low-risk business model, and at an early stage of their regulatory journey. The defining characteristics of a firm where the fractional model is appropriate are: a limited product set with a well-understood and low-to-medium AML risk profile; a customer base that generates a manageable volume of internal SARs; a stable regulatory relationship with the FCA that does not require intensive ongoing engagement; and a senior management team that is engaged with compliance obligations and does not require the MLRO to spend significant time on culture and awareness-building that a more embedded individual would do naturally.

Firms most commonly suited to the fractional MLRO model include: newly authorised financial services businesses in the first one to two years of operation, before they have scaled to a size that justifies a permanent appointment; smaller FCA-regulated firms with narrow permissions — single product consumer credit lenders, small insurance intermediaries, boutique investment advisory firms — where the MLRO function can be discharged in a limited number of days per month; and firms operating in sectors where the AML risk profile is intrinsically lower, such as non-complex investment management or advisory services where the client base is well-known and the transaction pattern is predictable.

The fractional model also works well for firms that have an internal compliance function handling the operational elements of AML — customer due diligence, transaction monitoring, SAR drafting — but need an experienced, FCA-approved individual to hold the SMF17 function, review and authorise SAR decisions, and provide board-level accountability for the financial crime framework. In this configuration, the fractional MLRO is a senior oversight and decision-making function rather than an operational one, and the time commitment reflects that.

When a fractional MLRO is not appropriate

The conditions under which a fractional MLRO is not appropriate are equally specific and more consequential to understand, because the risk of misjudging them is not merely commercial — it is regulatory.

A high SAR volume makes the fractional model structurally difficult. The MLRO must review and make a consent decision on every internal SAR submitted within the business. If the firm’s transaction volumes, customer risk profile, or sector characteristics generate SAR submissions that require frequent, sometimes urgent, decisions, a fractional MLRO who is unavailable for significant periods is a practical and regulatory problem. The NCA operates consent windows within which the firm must receive a response before it can proceed with a transaction. An MLRO who cannot respond within those windows because they are engaged elsewhere is putting the firm in a legally compromised position.

A complex or elevated AML risk profile — operating in sectors with significant PEP exposure, processing cross-border transactions with higher-risk jurisdictions, handling correspondent banking relationships, or serving client categories with heightened financial crime risk — requires the MLRO to have the capacity to engage substantively and regularly with the firm’s risk picture. A fractional arrangement that provides a few days per month of MLRO attention is insufficient for a firm where financial crime risk is a material and active management challenge.

Active FCA supervisory attention makes the fractional model particularly exposed. Where the firm is subject to a Section 166 skilled person review of its AML controls, a Dear CEO letter about financial crime weaknesses, or direct supervisory engagement, the FCA will look closely at the MLRO function. An SMF17 holder who is operating fractionally and who cannot demonstrate adequate availability and engagement will compound rather than address the regulator’s concerns. In a remediation context, a permanent or substantially committed interim MLRO is almost always the right approach.

Rapid business growth is a signal to review the fractional arrangement. A firm that doubled its customer base in the past twelve months, entered a new market, launched a new product, or acquired another business has materially changed its AML risk profile. The fractional MLRO who was adequate for the previous risk profile may not be adequate for the current one — and the transition point is often reached before the board recognises it.

How to structure a fractional MLRO arrangement correctly

A fractional MLRO arrangement that withstands regulatory scrutiny has four structural elements that distinguish it from a paper arrangement.

The time commitment is documented and adequate. The firm should have a written agreement with the fractional MLRO specifying the minimum time commitment per month, the expected availability for SAR decisions, and the response time for urgent matters. This agreement should be calibrated to the firm’s actual AML activity — not to a number that looks proportionate on paper. If the firm’s SAR volume, monitoring programme, and reporting obligations require three days per month to discharge properly, the agreement should say three days per month and the MLRO should be delivering three days per month.

The SAR process is clearly documented and the MLRO is genuinely in it. Every internal SAR must reach the MLRO, the MLRO must make and record the consent decision personally, and the firm must be able to demonstrate this to the FCA through its SAR register and decision records. A fractional arrangement where internal SARs are being reviewed by someone other than the MLRO, with the MLRO rubber-stamping decisions made by others, fails the substance of the requirement regardless of who holds the SMF17 designation.

The board is receiving regular, substantive financial crime reporting from the MLRO. The SMF17 holder’s board accountability function does not diminish because the role is fractional. The board should receive a financial crime report from the MLRO at least quarterly — covering SAR volumes and outcomes, the status of the AML risk assessment, compliance monitoring findings, training completion rates, and any material financial crime concerns. An MLRO who never appears before the board and who the board cannot name is not functioning as the SMF17 holder.

The firm has a documented plan for what happens when the MLRO is unavailable. Holidays, illness, conflicting commitments with other clients — all of these create periods when the fractional MLRO is not accessible. The firm needs a documented process for managing SAR decisions during these periods, whether through a nominated deputy (who does not need FCA approval but must be adequately trained), a temporary uplift in the fractional MLRO’s commitment, or an interim arrangement. The FCA will ask about this in a supervision visit and expects a credible answer.

The transition from fractional to permanent — recognising the signals

The decision to move from a fractional to a permanent MLRO appointment is one that firms often make reactively — prompted by a regulatory event, an MLRO departure, or a board-level recognition that the function is stretched. Making it proactively, before the signals become urgent, produces a better appointment and avoids the period of regulatory exposure that reactive transitions create.

The indicators that a firm has outgrown the fractional model are: SAR volumes that are consuming more than the agreed fractional time commitment on a recurring basis; the compliance team reporting that the MLRO is difficult to reach for SAR decisions within the required timeframe; the board noting that financial crime reporting has become formulaic rather than substantive; a change in the firm’s business model or customer profile that has materially increased the AML risk profile; and FCA supervisory contact that is becoming more frequent or more intensive.

When these signals appear, the right response is to begin a permanent MLRO search while maintaining the fractional arrangement until a permanent appointment is in post. The FCA’s Form A approval process takes three months from submission, which means the transition from instructing a search firm to having a permanent, FCA-approved MLRO in post is typically four to six months from the decision point. Making that decision before the firm is in regulatory difficulty gives the process the time it needs to produce the right appointment rather than the fastest available one.

Cost — fractional versus permanent

The cost comparison illustrates why the fractional model is commercially compelling for smaller regulated firms. The question is not whether the fractional model is cheaper — it almost always is — but whether it is adequate. A fractional MLRO at £30,000 per year who is not genuinely discharging the SMF17 function is not £40,000 cheaper than a permanent MLRO; it is a regulatory liability with a price tag.

Related Guides and Services

• Fractional MLRO — our fractional MLRO placement service for FCA-regulated firms
• MLRO Recruitment — permanent and interim MLRO search across all FCA-regulated sectors
• SMF17 MLRO Hiring Guide — how to hire for the SMF17 MLRO function
• SMF16 Head of Compliance Hiring Guide — hiring guide for the Compliance Oversight function
• Fractional Compliance Officer — fractional compliance leadership for smaller FCA firms
• FCA Regulated Firm Recruitment — all senior management function appointments

Sources

• FCA — Senior Managers and Certification Regime (SMCR)
• FCA Handbook — SYSC: Systems and Controls
• Proceeds of Crime Act 2002
• Money Laundering, Terrorist Financing and Transfer of Funds Regulations 2017
• NCA — Suspicious Activity Reports Regime
• FCA — Financial Crime and AML Guidance
• FCA — Section 166 Skilled Persons Reviews

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