Choosing a consolidation services provider is not simply about combining figures from several entities into one set of accounts. The right support can improve reporting accuracy, shorten the financial close and give management a clearer view of performance across the wider group.
The UK market includes large professional services networks, accounting firms and specialist finance consultancies. Some focus on statutory group accounts and technical reporting, while others help organisations improve consolidation systems, data processes and internal controls.
This guide highlights a selection of companies providing consolidation services in the UK. It is not a ranking. Instead, it offers practical context on who the providers are, the types of organisations they work with and the main areas covered by their consolidation and reporting services.
Acumon
Acumon is a UK firm of chartered accountants and registered auditors providing consolidation services to companies, charities, and international corporate groups.
The firm works with organisations ranging from growing owner-managed businesses and charities through to larger corporate groups and regulated entities. Consolidation assignments are supported by a structured approach to financial reporting, group accounting, and the preparation of consolidated financial statements.
Acumon holds a Public Interest Entity (PIE) audit licence, allowing the firm to work with listed companies and other entities subject to enhanced regulatory oversight in the United Kingdom. PIE engagements are subject to additional regulatory supervision and quality requirements, and only a limited number of firms are authorised to undertake this type of work.
In addition to its UK audit registration, Acumon also holds audit licences in several international financial centres, including the Cayman Islands, British Virgin Islands (BVI), Jersey, and Isle of Man. These licences support the firm’s work with international corporate groups whose entities are located across multiple jurisdictions.
International group structures frequently combine UK operating companies with offshore holding entities, particularly in sectors such as investment management, technology, energy, and international trade. Preparing consolidated accounts for these structures requires an understanding of cross-border financial reporting, group accounting policies, intercompany transactions, foreign entities, and consolidation adjustments.
Acumon works with finance teams and boards to prepare reliable group financial information while helping organisations strengthen reporting processes, governance arrangements, and internal controls as their structures grow.
Consolidation Capabilities:
Acumon provides consolidation services across a wide range of organisational structures and sectors.
These include:
UK limited companies and corporate groups
Public Interest Entities (PIEs) and regulated organisations
offshore holding companies and investment vehicles
Consolidation assignments are led by senior professionals who remain directly involved throughout the engagement, from reviewing the group structure and reporting framework to completing the consolidated financial statements.
Regulatory Licences and Registrations:
Acumon holds several audit registrations that support its work with 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 consolidated groups that include entities in both the UK and key international financial centres, with reporting and audit requirements spread across several jurisdictions.
Core Services:
Alongside group consolidation, Acumon provides services that support financial reporting, governance, and the preparation of consolidated accounts.
These include:
statutory external audit
group and subsidiary audits
Public Interest Entity (PIE) audits
charity and not-for-profit audit
audit of international group structures
internal audit and governance reviews
risk management and compliance support
Consolidation work is delivered alongside discussions with management and boards regarding group reporting processes, accounting policies, financial controls, and governance frameworks.
Many organisations first need formal consolidation support as they acquire subsidiaries, create holding structures, enter new markets, or prepare group accounts for statutory reporting.
Acumon works with businesses that are:
approaching their first statutory audit
preparing for external investment
expanding into international markets
operating within corporate group structures
Early engagement helps finance teams establish consistent reporting procedures, identify intercompany balances, align accounting policies, and prepare supporting documentation before the consolidated financial statements are finalised or submitted for audit.
Address: 1-2 Craven Road, Ealing, London, W5 2UA, UK
BDO
BDO is a UK accountancy and business advisory firm providing audit, tax, outsourcing and financial reporting services. They work with businesses ranging from individual entities to multinational groups, including organisations with complex ownership structures and reporting requirements.
Their financial reporting team prepares statutory financial statements under FRS 102, FRS 101 and IFRS for both single entities and consolidated groups. They also consolidate financial results using information received from subsidiary companies, deal with technical accounting issues and work alongside internal finance teams and external auditors during the year-end reporting process.
Key Highlights:
UK and international accounting support
Experience across private, public and regulated organisations
KPMG is a professional services firm providing audit, tax, legal, advisory and technology-led consulting services. They work with organisations across different industries, bringing together sector knowledge, finance expertise and technical teams.
Their work covers corporate accounting, tax reporting, financial processes and broader finance transformation. They also advise on complex transactions, regulatory requirements, risk and the use of technology across finance functions.
Key Highlights:
Multidisciplinary professional services practice
Combination of accounting, tax and advisory expertise
Sector-specific teams
Technology-led finance work
Services:
Corporate accounting
Tax
Audit
Advisory
Finance transformation
Financial reporting support
Contact Information:
Website: kpmg.com
Phone: +44 (0)161 246 4000
Address: The Plaza, 100 Old Hall St, Liverpool L3 9QJ
Twitter: x.com/kpmguk
Facebook: www.facebook.com/KPMG
LinkedIn: www.linkedin.com/company/kpmg-uk
EY
EY provides managed consolidation and reporting services through their financial accounting advisory services practice. They work with organisations dealing with periodic group reporting, complex corporate structures, changing regulatory requirements and limited internal consolidation resources.
They deliver the work through fully outsourced, partly outsourced and hybrid arrangements. Their teams coordinate reporting units, manage group consolidation processes, assist with statutory audit preparation and work with existing or newly implemented reporting systems. The service also covers management reporting, external financial reporting and the integration of new entities.
Key Highlights:
Fully outsourced, partly outsourced and hybrid delivery models
Centralised coordination of reporting units
Support for multi-entity and international groups
Use of consolidation and reporting technology
Coverage of internal and external reporting
Services:
Group consolidation
Financial reporting
Management reporting
Reporting unit coordination
Statutory audit support
Consolidation system implementation
New entity integration
Accounting compliance support
Contact Information:
Website: www.ey.com
Phone: +44 20 7951 2000
Address: 6 More, London Place, London SE1 2DA
Facebook: www.facebook.com/EY
Twitter: x.com/EYnews
LinkedIn: www.linkedin.com/company/ernstandyoung
RSM
RSM is an audit, tax and consulting firm providing financial statement preparation, technical accounting and complex reporting services. Their teams work with businesses whose reporting involves several entities, changes in group structure, intercompany relationships and accounting adjustments that need to be reflected across the wider organisation.
Their work covers the preparation and review of financial information used in group reporting and consolidation processes. They also deal with corporate structure reviews, restructuring and finance function support, bringing accounting and advisory specialists together where changes to subsidiaries, ownership or reporting arrangements affect the consolidated financial statements.
UHY Hacker Young is a UK network of chartered accountants with offices across England, Wales and Northern Ireland. Their teams provide accounting, audit, tax, outsourcing and corporate finance services to businesses, listed companies, charities and international organisations.
Their business services practice handles management accounts, outsourced accounting and cloud-based finance processes. They also provide financial reporting and audit services, alongside support for international businesses establishing or managing operations in the UK.
PKF Littlejohn is an accountancy and advisory firm based in London, Leeds and Manchester. They work with listed companies, financial services businesses, private equity firms and other organisations operating in technical or heavily regulated environments.
Their teams provide audit, accountancy, tax and advisory work, with particular experience in complex financial reporting and governance matters. They also cover internal controls, transaction advisory, restructuring and regulatory reporting across sectors including insurance, asset management, payment services and non-bank lending.
Key Highlights:
Offices in London, Leeds and Manchester
Experience with listed and regulated organisations
Technical accounting and reporting expertise
Strong presence in financial services and capital markets
Services:
Accountancy
Financial reporting
Audit
Transaction advisory
Internal audit and controls
Risk and governance
Tax
Restructuring
Contact Information:
Website: www.pkf-l.com
Phone: 020 7516 2200
Address: 30 Churchill Place, London E14 5RE
Instagram: www.instagram.com/pkf.littlejohn
Twitter: x.com/PKF_Littlejohn
Linkedin: www.linkedin.com/company/littlejohn
Bishop Fleming
Bishop Fleming is a UK accountancy and advisory firm working with owner-managed businesses, SMEs, larger organisations, charities, schools, public bodies and private individuals. They operate from offices across the South West, West Midlands and other parts of the UK.
Their accounting and financial reporting teams work alongside specialists in outsourced finance, management information and digital accounting. They also provide external audit, corporate finance, transaction, tax and business advisory services, with sector teams covering areas such as education, healthcare, manufacturing, property and technology.
Key Highlights:
Accountancy and advisory practice with regional UK offices
Work across private, public and not-for-profit organisations
Dedicated financial reporting and outsourced finance services
Moore Kingston Smith is a multidisciplinary audit, tax and advisory firm working with businesses, charities, professional firms and international organisations. Their outsourced accounting teams handle financial records, reporting and finance processes for organisations with different entities, operating structures and accounting requirements.
They also work on digital transformation and finance system projects, including the way financial data is collected, processed and reported across a business. This includes multi-company accounting environments, consolidated reporting processes and changes to systems used by group finance teams, alongside audit, technical accounting and international services.
Key Highlights:
Multidisciplinary audit, tax and advisory practice
UK offices with access to the Moore Global network
Experience across commercial and nonprofit sectors
Combination of accounting, finance and risk expertise
Gerald Edelman is an accountancy and advisory firm working with businesses across property, hospitality, technology, retail, manufacturing and other commercial sectors. Their accounting teams prepare statutory accounts, management information and financial reports for individual companies as well as businesses operating through wider group structures.
Their work includes consolidated reporting and the preparation of group accounts, bringing financial information from parent companies and subsidiaries into a single reporting process. They also handle audit, tax, corporate finance and company secretarial matters, with specialist teams available where consolidation work involves transactions, overseas entities or changes to the corporate structure.
Key Highlights:
London-based accountancy and advisory firm
Work across business and private client matters
Experience in several owner-managed and commercial sectors
Pearl Accountants are an ICAEW-regulated accountancy firm providing consolidated accounts for UK and international company groups. They prepare statutory group financial statements as well as internal consolidation reports, working with parent companies, subsidiaries, holding companies and other multi-entity structures.
Their process starts with a review of the group structure and reporting requirements, followed by the collection and checking of financial information from each entity. They eliminate intra-group balances and transactions, make adjustments for goodwill and minority interests, and prepare the final accounts under UK GAAP or IFRS. Cloud accounting software is also used for automated consolidation and reporting.
Key Highlights:
Consolidated accounts for UK and international groups
Work covering statutory and internal group reporting
Structured review of entities and reporting requirements
Use of cloud-based consolidation tools
Reporting under UK GAAP and IFRS
Services:
Statutory consolidated financial statements
Group structure reviews
Consolidation eligibility checks
Elimination of intra-group transactions
Elimination of intra-group balances
Goodwill adjustments
Minority interest adjustments
Internal consolidation reporting
Audit and due diligence support
Contact Information:
Website: www.pearlaccountants.com
Phone: 020 8582 0076
Address: Suite 2, Floor 1, Profile West, 950 Great West Rd, Brentford TW8 9ES, United Kingdom
Fusion Accountants are a UK firm of chartered accountants providing accounting and tax services to businesses and individuals. Their work is organised around dedicated client managers, with each client given a qualified accountant who acts as the main contact for finance, reporting and compliance matters.
They use cloud platforms including Xero, QuickBooks and FreeAgent across bookkeeping, accounts and day-to-day financial processes. Their wider service range covers statutory accounts, management accounts, tax, payroll and business planning, alongside accounting software setup and process automation.
Key Highlights:
UK-based chartered accountants
Dedicated client manager structure
Cloud accounting software expertise
Accounting and tax work for businesses and individuals
Focus on automated finance processes
Services:
Consolidated accounts
Statutory accounts
Management accounts
Bookkeeping
Business planning
Corporation tax
VAT
Payroll
Tax advisory
Accounting software integration
Contact Information:
Website: www.fusionaccountants.co.uk
Phone: 020 8577 0200
Address: Ground Floor, 90 Long Acre, Covent Garden, London WC2E 9RZ
ireport is an accounting service operated as a division of Isosceles Finance, which forms part of the Dains group. They work with companies ranging from early-stage UK businesses to international corporations, with teams based in West London, Sheffield and Cambridge.
Their accounting consolidation service sits alongside the wider finance work delivered by Isosceles, including commercial accounting and finance director services. Their finance professionals work with growing companies and deal with the reporting, operational and financial issues that develop as businesses expand or move towards a transaction.
Key Highlights:
Division of Isosceles Finance
Part of the Dains group
Work with startups, growing businesses and international companies
Offices in West London, Sheffield and Cambridge
Finance professionals experienced in growth-stage businesses
The right provider will depend on how the group is structured, how complex the reporting process has become and what the finance team already handles internally. A smaller UK group preparing statutory consolidated accounts will usually need something different from an international business dealing with several reporting systems, currencies and overseas subsidiaries.
It is worth looking closely at the actual scope of each firm’s work. Some providers focus mainly on preparing group accounts and handling technical adjustments. Others take on wider reporting processes, system changes, audit preparation or outsourced finance work. The important thing is to be clear about what needs fixing before comparing names.
This guide is intended to make that first stage easier. It brings together different types of consolidation services providers and gives practical context on how they work, what they cover and the kinds of organisations they deal with. That should leave businesses with a shorter, more sensible list of firms to speak to, rather than choosing on profile or size alone.
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.
An internal audit function must be assessed by a qualified, independent assessor at least once every five years. That requirement is Standard 8.4 of the Global Internal Audit Standards, which…
An internal audit function must be assessed by a qualified, independent assessor at least once every five years. That requirement is Standard 8.4 of the Global Internal Audit Standards, which…
An internal audit function must be assessed by a qualified, independent assessor at least once every five years. That requirement is Standard 8.4 of the Global Internal Audit Standards, which…
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