Hornbuckle Mitchell was a specialist SIPP and SSAS operator that became part of the Standard Life / abrdn group. Some Hornbuckle Mitchell SIPP clients were advised by IFA firms to hold non-standard, illiquid, or unsuitable assets within their pension products. If you suffered losses, a claim may be available.
Hornbuckle Mitchell was a long-established pension administrator providing SIPP and SSAS services. It was absorbed into the Standard Life Aberdeen (now abrdn) group following an acquisition. Standard Life / abrdn is the appropriate entity for historical complaints about Hornbuckle Mitchell's conduct as a SIPP operator.
During its period as an independent operator, Hornbuckle Mitchell SIPPs were used by some clients to hold non-standard investments on the recommendation of IFA firms. Where such investments were unsuitable or where Hornbuckle Mitchell failed to apply adequate due diligence before accepting them, claims may be available.
The legal framework established by Berkeley Burke [2018], Adams v Carey Pensions [2020], and Fletcher [2024] applies to all FCA-regulated SIPP operators, including those that have subsequently been absorbed into larger financial services groups.
The correct route depends on whether the firm is still active, the nature of your loss, and whether FSCS compensation has already been paid on related adviser claims.
As the successor entity to Hornbuckle Mitchell, Standard Life or abrdn is the appropriate first respondent for historical DISP complaints. Contact the relevant group entity to submit a formal complaint.
Complaint via successor groupIf the complaint is rejected, escalate to FOS. FOS can adjudicate on historical SIPP operator conduct even where the firm has been absorbed into a larger group.
FOS escalationIf the IFA who recommended your Hornbuckle Mitchell SIPP has failed and been declared in default by the FSCS, a separate FSCS claim is available against that adviser.
Against failed adviserFor large losses, civil proceedings against the successor group or other solvent parties offer uncapped recovery under the established SIPP operator liability framework.
Uncapped recoveryThe legal framework governing SIPP operator liability has been substantially clarified by two Court of Appeal decisions. Options UK Personal Pensions LLP v Fletcher [2024] EWCA Civ 541 confirmed that SIPP operators owe active due diligence duties and may be liable where they accept unsuitable non-standard assets into client SIPPs without proper assessment.
Adams v Carey Pensions UK LLP [2020] (FSMA s.27) established that where a SIPP was set up through an unauthorised introducer, the contract may be voidable, enabling full restitution of invested funds regardless of the FSCS cap.
In parallel, Berkeley Burke SIPP Administration Ltd v Financial Ombudsman Service [2018] EWHC 2368 (Admin) confirmed that FOS has jurisdiction to make awards requiring SIPP operators to compensate clients for due diligence failures — and that courts will not readily overturn such awards on judicial review.
SIPP operator claims are subject to the same DISP and Limitation Act deadlines as adviser claims. FSCS claims must also meet prescribed eligibility windows.
DISP: six years from advice or three years from discovery. See redressadvisory.com/time-limits.
Redress Advisory assesses your position across all four routes and connects you with an SRA-regulated solicitor at no upfront cost.
Begin Your AssessmentYou do not need to use a claims management company to pursue a pension mis-selling complaint. You can complain directly to the financial firm, escalate to the Financial Ombudsman Service (FOS), apply to the Financial Services Compensation Scheme (FSCS), or instruct a solicitor independently — all free of charge. Using Redress Advisory does not improve the likelihood of success compared to pursuing a claim yourself, and our fee will reduce any compensation you receive.
Redress Advisory Ltd (Company No. 17295681) is a claims management company. Regulated legal work is carried out by our Operating SRA Partner solicitor firms. We are not a firm of solicitors and we do not provide legal advice.
The information on this page is for general informational purposes only. It does not constitute financial, legal, or claims management advice. Individual outcomes depend on the specific facts of each case. Historical outcomes in related cases are not a guarantee of results in your case.
FOS: 0800 023 4567 | FSCS: 0800 678 1100 | FCA Register: register.fca.org.uk