Interim Review Companies in London: Providers and Services
AC
Acumon Chartered Accountants·11 min read
Interim reviews play an important role in financial reporting, particularly for businesses seeking additional assurance between annual audits. Whether driven by regulatory expectations, investor requirements or internal governance priorities, many organisations rely on specialist firms to review financial information and strengthen reporting confidence.
London is home to a broad range of accounting and advisory firms offering interim review services. These include global professional services networks, mid-tier practices and specialist advisors, each bringing different expertise, sector knowledge and approaches to assurance.
This guide highlights a selection of interim review companies operating in London. Rather than ranking providers, the purpose is to offer practical context on the firms active in this space, the organisations they typically support, and the wider services that often accompany interim financial reviews.
Acumon
Acumon is a UK firm of chartered accountants and advisors providing interim review services to companies and organisations across London and the wider UK market.
The firm supports organisations ranging from growing owner-managed businesses through to larger corporate groups and regulated entities. Interim review engagements are designed to provide additional financial oversight, strengthen governance arrangements and support businesses during periods of growth, transition or operational change.
Acumon provides interim review support across a range of financial and operational requirements, including management reporting, financial controls, strategic planning and performance monitoring. Services are delivered by experienced finance professionals and tailored to the specific objectives, structure and reporting requirements of each organisation.
Acumon holds a Public Interest Entity (PIE) audit licence, enabling the firm to support organisations subject to enhanced regulatory oversight in the United Kingdom. In addition to its UK statutory audit registration, the firm also maintains audit licences in the Cayman Islands, British Virgin Islands (BVI), Jersey and Isle of Man, supporting organisations operating across international structures and reporting environments.
Businesses often require interim financial expertise during periods of expansion, leadership change or strategic transformation. Acumon works with boards, finance teams and management to support decision-making, improve reporting visibility and strengthen internal controls as organisations evolve.
Interim Review Capabilities
Acumon provides interim review services across a wide range of organisational structures and sectors.
These include:
UK limited companies and corporate groups
interim finance director assignments
part-time CFO engagements
interim financial controller support
temporary senior accounting roles
international group structures
charities and not-for-profit organisations
Engagements are typically led by experienced finance professionals with direct involvement throughout the assignment.
Regulatory Licences and Registrations
Acumon maintains several audit registrations that enable it to support organisations operating across multiple jurisdictions.
These include:
UK statutory audit registration
Public Interest Entity (PIE) audit licence
Jersey audit licence
Isle of Man audit licence
Cayman Islands audit licence
British Virgin Islands audit licence
These registrations allow the firm to support organisations operating across both the UK and key international financial centres.
Core Services
In addition to interim review services, Acumon provides a range of services that support financial reporting, governance and operational oversight.
These include:
interim finance director support
part-time CFO services
statutory external audit
group and subsidiary audits
Public Interest Entity (PIE) audits
charity and not-for-profit audit
internal audit and governance reviews
risk management and compliance support
Interim review work is often delivered alongside discussions with management and boards regarding financial performance, governance frameworks and reporting processes.
Many organisations seek interim financial support as they expand operations, navigate change or require specialist expertise for specific projects.
Acumon works with businesses that are:
managing periods of growth or transition
preparing for investment or funding activity
operating within corporate group structures
strengthening financial controls and reporting processes
undergoing restructuring or leadership change
Early engagement can help ensure that financial systems, governance arrangements and reporting processes remain aligned with business objectives.
Address: 1-2 Craven Road, Ealing, London, W5 2UA, UK
Phone: 020 8567 3451
FSCom
FSCom provides interim compliance and risk specialists to financial institutions that need additional expertise during periods of change, regulatory reviews or increased oversight. Their services cover temporary leadership roles such as Interim MLROs, Heads of Compliance and Internal Audit Officers, helping organisations maintain governance and control when internal resources are stretched. For firms preparing for audits or managing new regulatory requirements, this type of support can contribute to stronger reporting processes and greater confidence in compliance frameworks.
Regulated businesses often face periods where interim oversight becomes necessary, whether due to organisational changes, enforcement activity or evolving regulations. FSCom's work extends beyond temporary placements, with compliance advisory, assurance and audit services designed to assess control environments, identify gaps and support ongoing resilience. This can be relevant for organisations seeking additional assurance over financial and operational processes ahead of reporting periods.
Key Highlights
Interim compliance and governance specialists
Support for regulated financial institutions
Experience with UK and EU regulatory frameworks
Interim leadership for compliance and audit functions
Kirk Rice provides interim accounting support for businesses that require additional finance capacity during periods of change, software transitions or reporting deadlines. Their services range from temporary finance team members and interim finance directors to accounting system reviews and backlog reconciliations. Businesses preparing interim financial information or management reporting may use this type of support to maintain continuity and keep finance operations running smoothly.
Finance teams occasionally face pressures caused by staff absences, increased workloads or system upgrades. Kirk Rice offers assistance with software implementation, forecasting, management accounts and HMRC-related matters, giving organisations access to specialist accounting resources without making permanent hires. The combination of operational support and financial oversight can help businesses strengthen reporting processes and prepare for audits or compliance reviews.
EY addresses interim reporting through financial reporting advisory and technical accounting support, with particular attention to IFRS requirements. Their publications and advisory work cover areas such as IFRS 17 and interim financial reporting, helping organisations understand how reporting requirements apply between annual reporting cycles. This can be especially relevant for companies preparing half-year reports or dealing with complex accounting matters.
Temporary finance resources can play an important role when reporting deadlines are tight or specialist expertise is needed. EY's interim professionals support finance functions in roles ranging from CFO positions to controller responsibilities, providing additional capacity during periods of increased workload, system projects or organisational change. An external perspective may also assist businesses in refining reporting processes and strengthening financial oversight.
Key Highlights
Interim finance and reporting expertise
Support with IFRS reporting requirements
Experience across finance leadership roles
Assistance during reporting periods and projects
Financial reporting advisory capabilities
Focus on transparency and reporting quality
Services
Interim finance support
Financial reporting advisory
IFRS guidance
Technical accounting support
CFO services
Controller support
Sustainability reporting assistance
Contact Information
Website: www.ey.com
Facebook: www.facebook.com/EYParthenon
Twitter: x.com/EY_Parthenon
LinkedIn: www.linkedin.com/company/ey-parthenon
Address: 1 More London Place, London SE1 2AF
Phone: +44 20 7951 2000
Teneo
Teneo provides interim management and financial advisory services for organisations dealing with complex business situations, including restructuring, refinancing and transformation projects. Their work includes interim executive support, CFO advisory and crisis management, which can be valuable when businesses require additional oversight during significant change or financial pressure.
Large projects, transactions and turnaround programmes often create short-term demands on finance teams and leadership functions. Teneo combines interim management with broader advisory capabilities covering liquidity management, stakeholder engagement and restructuring support. These services can contribute to stronger decision-making and improved visibility over financial and operational risks during critical periods.
Key Highlights
Interim executive and advisory support
Experience in restructuring and transformation
CFO and CRO advisory services
Liquidity and stakeholder management expertise
Support during transactions and refinancing
Crisis management capabilities
Services
Interim management
CFO advisory
Restructuring support
Liquidity management
Business transformation
Financial restructuring
Project management
Stakeholder advisory
Contact Information
Website: www.teneo.com
Twitter: x.com/Teneo
LinkedIn: www.linkedin.com/company/teneoglobal
Address: The Carter Building, 11 Pilgrim Street, London, EC4V 6RN
Phone: +44 20 7260 2700
Price Bailey
Price Bailey offers temporary finance support for organisations facing staff absences, project demands or changing resource requirements. Their secondment services include interim finance directors, financial controllers and maternity or paternity cover, helping businesses maintain continuity in accounting and reporting functions.
Some organisations require additional expertise for specific reporting tasks, while others need support over a longer period. Price Bailey's services extend to bookkeeping, management accounts, forecasting and finance process improvements, giving businesses access to finance professionals who can integrate into existing teams and assist with day-to-day operations.
Moore Global provides technical guidance on interim financial reporting through its IFRS resources, including material covering IAS 34. Their publications explain the structure, recognition and disclosure requirements associated with interim financial statements, offering insight into reporting obligations between annual reporting periods.
Interim reviews and reporting often require consistent accounting policies and clear disclosures of significant events. Moore Global's network supports organisations with audit, advisory and risk-related services that can assist businesses preparing interim financial information or navigating international reporting standards.
Address: The Cottage, 42 Berkeley Square, London, W1J 5AW
RSM
RSM provides guidance on interim reporting requirements and financial disclosures, drawing attention to areas that companies should consider when preparing reports for investors and stakeholders. Their insights reference regulatory expectations and reporting practices that support clear communication of financial performance and risk.
Preparing interim reports often involves more than updating financial figures. Organisations may need to review assumptions, disclosures and significant changes since the last reporting period. RSM's advisory, audit and finance function support services can assist businesses looking to strengthen reporting quality and meet evolving accounting standards.
Key Highlights
Expertise in interim reporting guidance
Focus on disclosure requirements
Audit and advisory capabilities
Knowledge of accounting standards
Finance function support services
Risk and governance expertise
Services
Audit services
Finance function support
Risk advisory
Governance advisory
Financial reporting guidance
Consulting
Tax services
Restructuring support
Contact Information
Website: www.rsmuk.com
LinkedIn: www.linkedin.com/company/rsm-uk
Instagram: www.instagram.com/rsm.uk
Address: 25 Farringdon Street, London, EC4A 4AB
Phone: +44 (0)20 3201 8000
BDO
BDO supports organisations that need additional expertise when preparing financial statements, whether for year-end reporting or interim periods. Their interim support services assist finance teams facing resource constraints or complex accounting issues, helping businesses manage reporting requirements more effectively.
Additional reporting support may be required during audits, accounting changes or periods of increased workload. BDO combines technical accounting knowledge with broader advisory resources, giving organisations access to specialists who can assist with statutory accounts, financial reporting and related compliance matters.
Key Highlights
Interim financial reporting support
Technical accounting expertise
Assistance with statutory reporting
Additional finance team capacity
Access to specialist advisory teams
Support during audits and reporting periods
Services
Interim reporting support
Financial statement preparation
Technical accounting advisory
Statutory accounts preparation
iXBRL support
ESEF reporting
Financial reporting advisory
Contact Information
Website: www.bdo.co.uk
LinkedIn: www.linkedin.com/company/bdo-llp
Instagram: www.instagram.com/bdo_uk
Address: 55 Baker Street, London, W1U 7EU, United Kingdom
Phone: 020 7486 5888
Secantor
Secantor provides interim CFO services for SMEs seeking financial leadership during periods of change, growth or transition. Their interim executives support businesses dealing with leadership gaps, restructuring, investment preparation and major projects, helping maintain oversight of finance functions and reporting activities.
Financial reporting often becomes more demanding when organisations are expanding or undergoing operational changes. Secantor's services include cash flow management, forecasting, governance support and financial controls, allowing business owners and directors to access experienced finance leadership on a temporary basis while longer-term plans are developed.
Selecting an interim review provider often comes down to more than technical accounting expertise. Organisations may look for firms that understand their sector, reporting obligations and governance requirements, particularly when financial reporting timelines are tight or additional assurance is needed between annual audits. The right support can help finance teams maintain reporting quality while responding to changing business demands.
The firms featured in this guide reflect the breadth of interim review and financial advisory services available in London. Some focus on interim finance leadership and reporting support, while others bring experience in regulatory compliance, risk management or technical accounting standards. The most suitable provider will often depend on the nature of the engagement, the complexity of reporting requirements and the level of support needed by management or boards.
Interim reviews are not simply a reporting exercise. They can provide useful insight into financial processes, controls and emerging risks before year-end reporting takes place. For many organisations, this creates an opportunity to strengthen governance, improve reporting confidence and support more informed decision-making over time.
AC
Written by the Acumon team
Acumon is an ICAEW-registered firm of chartered accountants and registered auditors
based in London, with offices in Pitstone, Aylesbury and Bournemouth. Need advice on
anything covered here? Talk to us.
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