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CASS 6 Audit Companies in Bristol – Practical Guide

Choosing a CASS 6 audit provider in Bristol is more than just ticking a regulatory box. It can make a genuine difference to how confidently your firm manages client assets and stays on the right side of FCA rules. Bristol has a solid selection of audit companies that focus on this specialist area, each with their own way of working.

This guide walks through some of the established CASS 6 audit companies active in Bristol and the surrounding region. It is not a formal ranking. Instead, it gives you practical context on who these agencies are, the types of investment businesses they typically support, and the areas where they tend to be most active.

Acumon

Acumon is a UK firm of chartered accountants and registered auditors that specialises in CASS audit services for FCA-regulated investment firms. The company undertakes comprehensive CASS 5, 6 and 7 audits for organisations that hold client money or client assets, helping them meet strict requirements set out in the FCA Client Assets Sourcebook.

Acumon focuses on key areas such as client money segregation, daily reconciliations, custody arrangements, and robust record-keeping systems. The firm operates from its West London base with multiple locations and is regulated by both the ICAEW and the FRC, giving it the necessary standing to carry out these specialist regulatory audits. Acumon structures its engagements around careful planning, detailed testing of controls, and clear reporting while using remote working capabilities and a dedicated audit portal to reduce disruption for client teams.

Acumon brings considerable experience auditing various accounts and ERP systems, which allows the firm to work efficiently with the existing technology and processes of investment businesses. This practical approach helps deliver smoother audit engagements and provides organisations with useful recommendations for strengthening their internal controls and commercial risk management beyond basic compliance.

CASS 6 Audit Capabilities

Acumon delivers CASS 6 audit services for investment firms and other regulated entities in Bristol and surrounding areas. The company handles a variety of organisational structures and client asset arrangements under FCA requirements.

These include:

  • Investment firms holding client assets
  • Custody service providers
  • Firms with complex asset segregation needs
  • Regulated businesses requiring independent assurance
  • Organisations managing custody arrangements
  • Entities preparing for FCA submissions and reporting

Audit engagements typically involve senior professionals who stay closely involved throughout the process to ensure thorough review of controls and compliance.

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 statutory external 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
  • audit of international group structures
  • 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 and governance frameworks.

Many organisations initially encounter statutory audit requirements as they grow and exceed the audit exemption thresholds set out in the Companies Act.

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 with an audit firm can help ensure that financial reporting systems and documentation are aligned with statutory audit requirements.

Contact Information:

Deloitte

Deloitte stands out in the assurance and audit landscape in the UK. The company works with organisations facing complex regulatory demands in financial services through its structured audit processes and risk advisory offerings. Deloitte pays close attention to compliance matters and delivers methodical reviews that fit specific industry contexts.

In practice the company integrates different service lines to address broader oversight challenges. Deloitte approaches assurance work with an eye for practical application in regulated settings. Its audit capabilities support entities dealing with detailed financial requirements while maintaining a clear focus on risk areas.

Key Highlights:

  • Supports compliance in financial services
  • Handles assurance work in regulated sectors
  • Emphasises structured risk advisory

Services:

  • Cyber services
  • Tax advisory
  • Audit
  • Risk advisory
  • Enterprise technology solutions

Contact Information:

  • Website: www.deloitte.com
  • Address: HALO, Counterslip, Redcliffe, Bristol, BS1 6AJ, United Kingdom
  • Phone: +44 (0)117 921 1622
  • E-mail: Globalprandeminence@deloitte.com
  • LinkedIn: www.linkedin.com/company/deloitte
  • Twitter: x.com/deloitte
  • Facebook: www.facebook.com/deloitte
  • Instagram: www.instagram.com/deloitte

Crowe

Crowe focuses on financial services in a regulated setting and offers CASS audits along with safeguarding checks. The company combines accounting knowledge with advisory input to help investment and wealth management outfits. Crowe brings different specialists together so they can build custom support packages suited to each situation.

Its work often covers traditional banks as well as newer digital finance players. Crowe keeps an emphasis on effective controls and risk handling that lines up with expectations from authorities. The company also extends into areas like pension schemes where strong assurance matters.

Key Highlights:

  • Works across investment and wealth management
  • Provides regulatory support in financial services
  • Engages with pension fund arrangements

Services:

  • Forensic accounting
  • Technology resilience
  • Change support
  • Statutory audit
  • Internal risk reviews
  • Corporate tax

Contact Information:

  • Website: www.crowe.com
  • Address: 38 High St, Bristol BS1 2AW
  • Phone: +44 (0)1242 234421
  • E-mail: richard.austin@crowe.co.uk
  • LinkedIn: www.linkedin.com/company/crowe-uk
  • Twitter: x.com/CroweUK
  • Instagram: www.instagram.com/crowe_uk

Saffery

Saffery delivers accounting advice and business guidance to various organisations including companies and partnerships. The company runs audit and assurance engagements while also handling tax matters and other advisory tasks. Saffery adopts a partner-led style that stresses hands-on involvement in client projects.

This approach allows the company to tailor its input to owner-managed businesses and similar entities. Saffery covers outsourcing options and transaction related services as part of its overall offering. Its structure supports integrated solutions that touch on both day-to-day compliance and longer-term planning needs.

Key Highlights:

  • Works with owner-managed setups
  • Delivers outsourcing and transaction services
  • Runs audit engagements for different clients
  • Supplies tax and advisory input
  • Supports not-for-profit organisations with compliance needs

Services:

  • VAT compliance
  • Transaction services
  • Outsourcing arrangements
  • Accounting support
  • Business advisory
  • Payroll handling

Contact Information:

  • Website: www.saffery.com
  • Address: St Catherine’s Court, Berkeley Place, Clifton, Bristol BS8 1BQ, UK
  • Phone: +44 (0)117 915 1617
  • E-mail: info@saffery.com
  • LinkedIn: www.linkedin.com/company/saffery
  • Instagram: www.instagram.com/saffery_uk

BDO

BDO carries out audit and assurance assignments with attention to sector specifics across the UK. The company also manages tax advice and various business services for organisations that want straightforward compliance help. BDO maintains a practical outlook when reviewing financial processes and regulatory alignment.

The company provides outsourcing solutions alongside advisory work that targets commercial goals. BDO structures its services so clients can address both immediate requirements and wider business aims. Its audit practice combines clear reporting with expert review in multiple industry areas.

Key Highlights:

  • Conducts sector-focused audits
  • Delivers tax and business services
  • Supplies outsourcing and advisory options

Services:

  • Audit and assurance
  • Tax services
  • Business outsourcing
  • Advisory support

Contact Information:

  • Website: www.bdo.co.uk
  • Address: Bridgewater House, Finzels Reach, Counterslip, Bristol, BS1 6BX, United Kingdom
  • Phone: 0117 930 1500
  • E-mail: experienced.hire@bdo.co.uk
  • LinkedIn: www.linkedin.com/company/bdo-llp
  • Instagram: www.instagram.com/bdo_uk

Gravita

Gravita offers audit, accounting and tax services aimed at FCA regulated businesses in financial services. The company maintains a dedicated group that handles the nuances of regulatory requirements and reporting standards in this area. Gravita supports entities with obligations to the FCA through various compliance related activities while also extending help on outsourcing matters.

In addition the company works with investment managers, fund administrators and other operations in the sector. Gravita provides assistance with CASS audits along with related reporting needs. It covers tax advice for regulated firms and integrates different service areas. This setup addresses specific compliance situations that arise regularly in financial services.

Key Highlights:

  • Works with sub sectors such as investment advisors and fund managers
  • Assists with CASS audits and related assurance work
  • Supports FCA regulated businesses with audit and tax
  • Handles regulatory reporting requirements

Services:

  • Outsourcing arrangements
  • VAT reporting
  • R&D tax advice
  • Specialist tax support

Contact Information:

  • Website: www.gravita.com
  • Address: 2nd Floor, South, One Castle Park, Tower Hill, Bristol BS2 0JA
  • Phone: 0117 9742569
  • E-mail: hello@gravita.com
  • LinkedIn: www.linkedin.com/company/gravita-uk
  • Twitter: x.com/TeamGravita
  • Instagram: www.instagram.com/gravita_uk

Forvis Mazars

Forvis Mazars delivers audit and assurance services across different sectors including financial services from its Bristol office. Accounting compliance forms part of its regular work and the company also supplies advisory input on regulatory topics. Forvis Mazars structures its offerings around outsourcing options and tax services for businesses operating locally.

Its Bristol presence helps connect with regional organisations on audit engagements and risk assurance activities. Forvis Mazars draws on its wider network combined with local insights when dealing with financial reporting and compliance demands. The practice includes advisory areas that assist with day-to-day operational requirements in a straightforward manner.

Key Highlights:

  • Operates an office in Bristol with local focus
  • Delivers audit and assurance work
  • Provides tax and advisory services

Services:

  • Tax compliance
  • Financial advisory
  • Corporate finance
  • Accounting and outsourcing
  • Risk assurance

Contact Information:

  • Website: www.forvismazars.com
  • Address: 8th Floor, Assembly C, Cheese Lane, Bristol, BS2 0JJ
  • Phone: +44 (0) 117 928 1700
  • LinkedIn: www.linkedin.com/company/forvis-mazars-in-the-uk
  • Twitter: x.com/ForvisMazarsUK
  • Facebook: www.facebook.com/ForvisMazarsGroup
  • Instagram: www.instagram.com/ForvisMazarsGroup

Grant Thornton

Grant Thornton runs an office in Bristol where it carries out audit and assurance services for various businesses. Financial advisory and tax work form important parts of its local offering. Grant Thornton approaches regulated environments with structured support that fits operational needs in the area.

From this base the company engages with financial services entities on compliance and assurance matters. Grant Thornton blends different service lines to provide practical input on audit requirements. Its Bristol location makes it easier for regional organisations to access consistent oversight without complications.

Key Highlights:

  • Provides practical input on audit requirements
  • Engages with regional financial services entities
  • Offers audit and assurance
  • Covers financial advisory and tax
  • Supports regulated environments with compliance work

Services:

  • Restructuring support
  • Audit and assurance
  • Consulting
  • Tax services

Contact Information:

  • Website: www.grantthornton.co.uk
  • Address: 2 Glass Wharf, Bristol, BS2 0EL
  • Phone: +44 (0)11 7305 7600
  • LinkedIn: www.linkedin.com/company/grant-thornton-uk
  • Instagram: www.instagram.com/gt_trainees

KPMG

KPMG works out of Bristol delivering audit services and advisory support aimed at financial services organisations. Regulatory challenges receive focused attention through the company’s methodical audit processes. KPMG pulls together insights from tax and other areas to help with financial reporting demands.

This combination allows the company to address complex requirements that regulated businesses encounter. KPMG maintains practical solutions when handling assurance engagements in the region. Its local setup supports organisations seeking reliable oversight on compliance and related financial matters.

Key Highlights:

  • Provides audit services in Bristol
  • Supports financial services regulatory work
  • Delivers tax and advisory input

Services:

  • Tax services
  • Sustainability consulting
  • Audit

Contact Information:

  • Website: kpmg.com
  • Address: 66 Queen Square, Bristol, BS1 4BE, UK
  • Phone: +44 (0)117 905 4200
  • LinkedIn: www.linkedin.com/company/kpmg-uk
  • Twitter: x.com/kpmguk
  • Facebook: www.facebook.com/KPMG

Azets

Azets provides financial expertise for regulated businesses in the financial services sector. The company works with firms of different sizes from start-ups through to larger institutions across areas like asset management and fintech. Azets delivers support on audit, tax and reporting matters while paying close attention to compliance needs in an evolving environment.

In practice the company focuses on sector-specific guidance for asset managers, brokers and insurers among others. Azets offers outsourced accounting and risk advisory services that fit regulatory obligations. It also helps with governance matters through internal audit support. This kind of practical input comes in handy when firms deal with FCA requirements on a regular basis.

Key Highlights:

  • Delivers audit and tax solutions
  • Provides guidance on governance and risk management
  • Supports compliance and reporting needs
  • Works with FCA regulated businesses across multiple sub sectors

Services:

  • Outsourced accounting
  • Management reporting
  • Risk advisory
  • Internal audit support
  • Regulatory structuring

Contact Information:

  • Website: www.azets.com
  • Address: One Temple Quay, Temple Back East, BS1 6DZ
  • Phone: 0117 405 9790
  • E-mail: info@azets.co.uk
  • LinkedIn: www.linkedin.com/company/azets
  • Instagram: www.instagram.com/azets_uk

RSM

RSM assists financial services firms with client money and assets matters under CASS rules. The company carries out assurance reviews and prepares annual CASS audits for regulated entities. RSM also conducts forensic analysis where needed to check compliance arrangements.

The specialist risk and regulation side of the company reviews operational processes and internal reporting. RSM helps develop CASS resolution packs and strengthens controls around client assets. Such work supports firms in meeting FCA expectations without unnecessary complications in daily operations.

Key Highlights:

  • Conducts assurance reviews and audits
  • Supports resolution pack development
  • Focuses on CASS compliance and client asset protection

Services:

  • Operational process reviews
  • Risk assurance
  • Forensic analysis
  • Internal reporting support

Contact Information:

  • Website: www.rsmuk.com
  • Address: 2nd Floor, 1 The Square, Temple Quay, Bristol, BS1 6DG
  • Phone: +44 (0)117 945 2000
  • LinkedIn: www.linkedin.com/company/rsm-uk
  • Instagram: www.instagram.com/rsm.uk

Bishop Fleming

Bishop Fleming works with a range of clients in financial services including IFAs and wealth management firms. The company acts as statutory auditors for FCA regulated businesses and delivers CASS reviews along with related assurance services. Bishop Fleming handles regulatory capital requirements and Consumer Duty matters as part of its support.

The company brings accounting, audit and tax knowledge together when advising on compliance challenges. Bishop Fleming also offers business advisory input for M&A activity in the sector. Its approach combines technical detail with practical steps that suit firms navigating FCA rules day to day.

Key Highlights:

  • Delivers CASS reviews and assurance services
  • Offers advice on M&A activity within the financial services sector
  • Supports regulatory capital and Consumer Duty needs
  • Acts as statutory auditors for FCA regulated entities

Services:

  • Business advisory
  • External audit
  • Internal audit and risk assurance
  • Corporate tax
  • Corporate finance

Contact Information:

  • Website: www.bishopfleming.co.uk
  • Address: 10 Temple Back, Bristol, BS1 6FL
  • Phone: 0117 9100250
  • LinkedIn: www.linkedin.com/company/bishop-fleming-chartered-accountants
  • Twitter: x.com/BishopFlemingUK
  • Facebook: www.facebook.com/people/Life-at-Bishop-Fleming/100093464198343
  • Instagram: www.instagram.com/bishopfleminguk

Wrapping Up

Choosing the right partner for CASS 6 audits in Bristol really comes down to finding someone who gets the practical side of things while staying sharp on the regulatory details. The companies operating in this space vary in style. Some lean heavily into remote delivery and streamlined processes, others bring that solid mid-tier mix of technical know-how and personal attention that many regulated firms appreciate.

At the end of the day, it’s worth taking time to look at how each one approaches client asset work, their experience with similar setups, and whether their way of working fits how your business actually runs. Regulations aren’t getting any simpler, so having an audit provider who can cut through the complexity without creating extra headaches makes a real difference. If you’re in the middle of reviewing options, a few targeted conversations can quickly show who clicks with your needs.