Choosing a financial services audit company in Bristol often means looking beyond a standard statutory audit. Depending on the business, relevant experience may include FCA regulation, CASS, safeguarding, financial reporting and wider risk or assurance work.
Bristol has a mix of large accounting networks and specialist audit practices serving financial services organisations. This guide highlights companies with relevant audit capabilities and a connection to the Bristol market, giving readers practical context on their services, areas of expertise and typical client profiles. Rather than ranking firms, it provides a neutral overview of companies operating in this space.

Acumon
Acumon is a UK firm of chartered accountants and registered auditors providing financial services audit services to organisations in Bristol and across the UK.
The firm works with organisations ranging from growing businesses and owner-managed companies to larger corporate groups and regulated entities. Audit engagements are supported by a structured risk-based methodology designed to address financial reporting, governance and statutory compliance requirements.
Acumon holds a Public Interest Entity (PIE) audit licence, allowing the firm to audit listed companies and other entities subject to enhanced regulatory oversight in the United Kingdom. PIE audits 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 enable the firm to support international corporate groups where entities are located across multiple jurisdictions.
International financial services groups may operate through UK companies, overseas subsidiaries and other entities across multiple jurisdictions. Coordinating audit work across these structures requires consistent processes and familiarity with cross-border financial reporting, group consolidation and regulatory requirements.
Acumon works with finance teams and boards to support statutory audit requirements while also helping organisations strengthen financial reporting processes, governance arrangements and internal controls.
Financial Services Audit Capabilities
Acumon provides external audit services across a wide range of organisational structures and sectors.
These include:
- UK financial services businesses and corporate groups
- regulated organisations and Public Interest Entities (PIEs)
- UK subsidiaries of international groups
- owner-managed businesses and growing companies
- charities and not-for-profit organisations
- international organisations with UK operations
Audit engagements are typically led by senior audit professionals with direct involvement throughout the engagement.
Regulatory Licences and Registrations
Acumon holds 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 provide audit services to groups that include entities in both the UK and key international financial centres.
Core Services
In addition to financial services audit, Acumon provides a range of services that support financial reporting and governance.
These include:
- 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
Audit work is often delivered alongside discussions with management and boards regarding financial reporting processes, governance frameworks and internal controls.
Many organisations seek audit support as their operations grow, regulatory requirements develop or corporate structures become more complex.
Acumon works with organisations that are:
- preparing for statutory audit
- operating within regulated sectors
- expanding into international markets
- developing corporate group structures
- strengthening financial reporting and governance
Early engagement with an audit firm can help ensure that financial reporting systems, documentation and internal controls remain aligned with statutory and regulatory requirements.
Contact Information
- Website: acumon.com
- Email: [email protected]
- Address: 1-2 Craven Road, Ealing, London, W5 2UA, UK
- Phone: 020 8567 3451

Deloitte
Deloitte’s South West and Wales practice has a dedicated financial services audit stream alongside its public and private business audit teams. Its sector coverage includes insurance, investment management, banking and capital markets, with regional assurance teams handling complex accounting, financial modelling, treasury controls and markets assurance. Deloitte also has a substantial Bristol operation, giving financial services clients access to both local teams and its wider UK network.
Key Facts
- Ideal for: Financial institutions requiring specialist audit and assurance resources
- Core services: External audit, financial services audit and assurance
- Specialization: Banking, capital markets, investment management and insurance
- Industries: Banking, insurance, investment management and other financial services
- Notable strength: Dedicated financial services audit capability within the South West practice
Contact Information
- Website: www.deloitte.com
- Facebook: www.facebook.com/deloitteuk
- Twitter: x.com/deloitteuk
- LinkedIn: www.linkedin.com/company/deloitte
- Address: HALO, Counterslip, Redcliffe, Bristol, BS1 6AJ, United Kingdom
- Phone: +44 (0)117 921 1622

EY
EY combines its Bristol office with a UK-wide Financial Services Assurance practice covering banking, capital markets, insurance and wealth and asset management. Its audit offering includes external audit supported by technology, financial reporting expertise and specialist assurance capabilities. EY’s Bristol team includes more than 400 people and works with organisations ranging from local businesses to multinational banks and fintech projects.
Key Facts
- Ideal for: Banks, insurers, investment firms and larger regulated organisations
- Core services: External audit, assurance, financial accounting advisory and technology risk
- Specialization: Financial services assurance
- Industries: Banking, capital markets, insurance, wealth and asset management
- Notable strength: Large national financial services assurance practice with Bristol presence
Contact Information
- Website: www.ey.com
- Facebook: www.facebook.com/pages/Ernst-Young/195665063800329
- LinkedIn: www.linkedin.com/company/ernstandyoung
- Address: The Paragon, Counterslip, Bristol BS1 6BX
- Phone: +44 117 981 2050

KPMG
KPMG’s Bristol office supports organisations across a number of sectors, including financial services, and provides audit, tax and advisory services from its regional hub. The Bristol practice works with listed and privately owned organisations, while its South West team can draw on the firm’s wider national and international financial services expertise. The local team includes audit partners and a regional head of financial services.
Key Facts
- Ideal for: Financial services businesses needing access to regional and international audit expertise
- Core services: Audit, tax, advisory, risk and governance
- Specialization: Financial services and regulated businesses
- Industries: Banking, financial services and other regulated sectors
- Notable strength: Bristol-based audit team connected to a wider financial services practice
Contact Information
- Website: kpmg.com
- Facebook: www.facebook.com/KPMG
- Twitter: x.com/kpmguk
- LinkedIn: www.linkedin.com/company/kpmg-uk
- Address: 66 Queen Square, BS1 4BE
- Phone: +44 (0)117 905 4200

BDO
BDO has a particularly clear Bristol connection for financial services audit. Jamie Smith is a financial services audit partner based in Bristol and leads the firm’s financial services audit team there. His work includes external financial statement audits, CASS audits, regulatory assurance and controls assurance, with a focus on asset and wealth management, investment platforms, asset managers and financial advisers. BDO’s broader financial services audit practice also covers banking, fintech and insurance.
Key Facts
- Ideal for: Financial services businesses needing a Bristol-based specialist audit team
- Core services: External audit, financial statement audit, CASS audit and regulatory assurance
- Specialization: Asset and wealth management
- Industries: Banking, fintech, insurance, investment platforms and financial advice
- Notable strength: Financial services audit leadership based in Bristol
Contact Information
- Website: www.bdo.co.uk
- LinkedIn: www.linkedin.com/company/bdo-llp
- Instagram: www.instagram.com/lifeatbdo
- Address: Bridgewater House, Finzels Reach, Counterslip, Bristol, BS1 6BX, United Kingdom
- Phone: 0117 930 1500

Grant Thornton
Grant Thornton has a dedicated financial services audit team covering asset management businesses, brokerages, insurers, hedge funds and other FCA-regulated entities. The team includes CASS and technical specialists for more specialised assignments. Its Bristol office provides audit and assurance services to private businesses, public interest entities and public sector organisations, giving the firm a local base alongside its national financial services practice.
Key Facts
- Ideal for: FCA-regulated firms and mid-market financial services organisations
- Core services: Audit and assurance, CASS assurance and risk services
- Specialization: Financial services audit
- Industries: Asset management, insurance, brokerage, hedge funds and banking
- Notable strength: Dedicated financial services audit team with CASS specialists
Contact Information
- Website: www.grantthornton.co.uk
- LinkedIn: www.linkedin.com/company/grant-thornton-uk
- Instagram: www.instagram.com/gt_trainees
- Address: 2 Glass Wharf, Bristol BS2 0EL
- Phone: +44 (0)11 7305 7600

RSM UK
RSM’s financial services practice works across audit, tax and consulting for regulated organisations. Its coverage includes banking, capital markets, specialty finance, insurance, asset and wealth management, pensions and fintech. The firm provides audit support for areas such as payment firms, broker-dealers and fintech businesses, while its Bristol office is based at Temple Quay.
Key Facts
- Ideal for: Regulated financial services firms with audit and regulatory requirements
- Core services: Audit, regulatory assurance, internal audit and risk services
- Specialization: Financial services regulation and assurance
- Industries: Banking, insurance, payments, fintech, asset management and pensions
- Notable strength: Broad financial services coverage across audit and regulatory work
Contact Information
- Website: www.rsmuk.com
- LinkedIn: www.linkedin.com/company/rsm-uk
- Instagram: www.instagram.com/rsm.uk
- Address: 1 The Square, Temple Quay, Bristol BS1 6DG
- Phone: +44 (0)117 945 2000

Forvis Mazars
Forvis Mazars operates a Bristol office alongside dedicated financial services and audit practices. Its financial services coverage includes banking and capital markets, insurance and asset management, while its audit offering includes financial audit and accounting and corporate reporting. The firm has audit partners and directors based in Bristol, giving the regional office a direct connection to its wider sector teams.
Key Facts
- Ideal for: Financial services organisations needing audit alongside wider advisory support
- Core services: Financial audit, audit and assurance, accounting and corporate reporting
- Specialization: Banking, insurance and asset management
- Industries: Financial services and regulated organisations
- Notable strength: Bristol audit team within an international financial services practice
Contact Information
- Website: www.forvismazars.com
- Facebook: www.facebook.com/ForvisMazarsGroup
- Twitter: x.com/ForvisMazarsGR
- LinkedIn: www.linkedin.com/company/forvis-mazars-group
- Instagram: www.instagram.com/ForvisMazarsGroup
- Address: 8th Floor, Assembly C, Cheese Lane, Bristol, BS2 0JJ, United Kingdom
- Phone: +44 (0) 117 928 1700

Saffery
Saffery combines a Bristol office with a dedicated financial services practice focused on audit and assurance. Its services include statutory audits, CASS assurance, internal systems and controls reporting, client money systems reviews and FCA interim profits reviews. The Bristol office provides audit, tax and advisory services and has more than 120 staff and eight partners.
Key Facts
- Ideal for: Financial services firms with statutory, CASS and client money requirements
- Core services: Statutory audit, CASS assurance and controls reporting
- Specialization: Financial services audit and client asset assurance
- Industries: Financial services and regulated businesses
- Notable strength: CASS and client money systems assurance
Contact Information
- Website: www.saffery.com
- Email: [email protected]
- LinkedIn: www.linkedin.com/company/saffery
- Instagram: www.instagram.com/saffery_uk
- Address: St Catherine’s Court, Berkeley Place, Clifton, Bristol BS8 1BQ, UK
- Phone: +44 (0)117 915 1617

Bishop Fleming
Bishop Fleming’s Bristol office provides audit, accountancy, tax and advisory services, with financial services included among the sectors covered by its audit team. Its audit work includes statutory audits and financial reporting, with the team supporting businesses on the accounting and reporting requirements relevant to their sector. The Bristol office is based at Temple Back and works with businesses across the South West.
Key Facts
- Ideal for: South West financial services businesses looking for a regional audit firm
- Core services: External audit and assurance
- Specialization: Sector-focused audit
- Industries: Financial services, technology, healthcare, manufacturing and real estate
- Notable strength: Dedicated Financial Services sector coverage from a Bristol office
Contact Information
- Website: www.bishopfleming.co.uk
- Facebook: www.facebook.com/100093464198343
- Twitter: x.com/BishopFlemingUK
- LinkedIn: www.linkedin.com/company/bishop-fleming-chartered-accountants
- Instagram: www.instagram.com/bishopfleminguk
- Address: 10 Temple Back, Bristol BS1 6FL
- Phone: 0117 9100250

Gravita
Gravita operates a Bristol office with financial services audits listed directly within its local audit offering. Its specialist financial services practice covers banks, brokers, insurers, fund managers, financial advisers, foreign exchange businesses and e-money providers. The firm also handles CASS audits, safeguarding audits and audits for financial institutions involved in areas such as securities, derivatives and treasury services.
Key Facts
- Ideal for: Regulated financial services businesses needing specialist audit support
- Core services: Financial services audit, CASS audit and safeguarding audit
- Specialization: FCA and PRA-regulated businesses
- Industries: Banking, funds, brokerage, insurance, payments and investment advice
- Notable strength: Specialist financial services audit work from a Bristol office
Contact Information
- Website: www.gravita.com
- Email: [email protected]
- Twitter: x.com/TeamGravita
- LinkedIn: www.linkedin.com/company/gravita-uk
- Instagram: www.instagram.com/gravita_uk
- Address: 2nd Floor South, One Castle Park, Tower Hill, Bristol BS2 0JA
- Phone: 0117 9742569

S&W Group
S&W’s Bristol office provides audit and assurance alongside accounting, tax and advisory services. The firm also has a dedicated financial services and markets practice covering banking, financial markets, advice and insurance. Its Bristol-based audit team includes professionals with experience working on financial services and controls assurance assignments, including financial audits and AAF 01/20, SOC and ISAE engagements.
Key Facts
- Ideal for: Financial services businesses needing audit alongside broader accounting support
- Core services: Audit and assurance, financial reporting and controls assurance
- Specialization: Financial services and markets
- Industries: Banking, financial markets, insurance and financial advice
- Notable strength: Bristol-based financial services and controls assurance experience
Contact Information
- Website: www.swgroup.com
- Twitter: x.com/S_W_Group
- LinkedIn: www.linkedin.com/company/swgroupuk
- Address: EQ Building, 111 Victoria Street, Bristol BS1 6AX
- Phone: +44 117 233 2200

PwC
PwC has a substantial Bristol office providing audit and assurance services to organisations ranging from start-ups to multinational businesses. Its wider UK practice has dedicated financial services audit and assurance specialists working across banking, capital markets, insurance and asset and wealth management. PwC’s financial services audit work includes financial, regulatory and controls assurance, with Bristol forming part of its wider regional delivery network.
Key Facts
- Ideal for: Large financial services organisations and complex groups
- Core services: Audit, financial assurance, controls assurance and risk services
- Specialization: Asset and wealth management, banking and insurance
- Industries: Financial services, banking, capital markets and insurance
- Notable strength: Specialist financial services audit expertise within a large Bristol practice
Contact Information
- Website: www.pwc.co.uk
- Facebook: www.facebook.com/PwCUK
- LinkedIn: www.linkedin.com/company/pwc-uk
- Instagram: www.instagram.com/pwc_uk
- Address: 2 Glass Wharf, Bristol BS2 0FR
- Phone: +44 (0)117 955 7779
Conclusion
Financial services audit firms in Bristol vary in the types of organisations they support, the regulatory areas they cover and the depth of specialist assurance they provide. Some focus heavily on regulated financial businesses and areas such as CASS, while larger practices can combine audit with broader risk, tax and advisory services.
The right provider will depend on the organisation’s size, regulatory obligations, reporting requirements and the level of specialist input needed. This guide is intended to provide a useful starting point for comparing those factors and identifying firms that are relevant to a particular audit requirement.