Specialist-led process
UK HMRC compliant
Enquiry support included

How we help

Tax advisory and relief services for Professional Services firms

Bonham & Brook is a specialist advisory partner to professional services firms. We work as an extension of your practice, combining technical expertise with a collaborative approach to help you support your clients, strengthen your service offering and deliver exceptional outcomes.

Whether supporting your firm's compliance requirements or providing specialist advice to your clients, our experts integrate seamlessly with your team, allowing you to access additional expertise whenever it's needed, alleviating the time burden.

Speak to our team

Key challenges facing Professional Services firms

Professional services firms are under increasing pressure to deliver broader technical expertise, meet evolving compliance obligations and provide greater value to clients, all while protecting profitability and maintaining strong client relationships.

Having full-time specialists across every area of tax and compliance is no longer a viable solution, but they do need access to trusted expertise when complex matters arise. Whether supporting the firm's own regulatory responsibilities or providing specialist advice to clients, having the right expertise available at the right time is essential.

Our role

Bonham & Brook acts as an extension of your practice, providing specialist technical support across tax, compliance and advisory services. We work collaboratively with your team to identify opportunities, manage risk and deliver practical, commercially focused solutions that enhance your client offering without disrupting existing relationships and ultimately alleviating time constraints.

Sub-sectors within Professional Services

Accounting firms
Legal practices
Financial Services firms

Our Services

How We Help Professional Services Firms

£50m+

Energy Relief secured for clients

Energy

Energy Relief helps professional services firms support their energy-intensive and industrial clients in accessing cost relief schemes they may not even be aware of. We specliase in EII, BICS, CCL and CPS. We review eligibility, usage data and sector classification to identify schemes clients may not know they qualify for.

Scheme eligibility reviewWe assess client eligibility across the current relief landscape, including schemes with sector-specific qualifying criteria.
Usage and cost data analysisWe review energy usage and billing data to quantify the potential relief available.
Application and compliance supportWe manage the documentation and submission process required to secure and maintain relief.
Horizon scanning for upcoming schemesWe keep clients informed of scheme changes, such as new schemes launching with retroactive qualifying periods, so they don't miss a window.

Talk to our specialists Read more about Energy Relief

£2m+

in property tax refunds secured for clients

Capital Allowances

Capital Allowances help professional services firms reduce taxable profits on qualifying expenditure in office fit-out, fixtures, equipment and property improvements. We review asset records and property costs to identify claimable fixtures, plant and embedded systems that may be missed in standard accounting reviews.

Reduce taxable profits through asset reliefCapital Allowances can reduce taxable profits and improve cash flow when qualifying assets are identified and claimed correctly.
Office fit-out and equipment reviewWe review spend on office fit-out, furniture, equipment, IT infrastructure and property improvements to identify qualifying assets.
Fixtures and embedded asset analysisWe check lighting, heating, ventilation, electrical systems and other embedded assets within office or practice premises.
Claim calculation and submission supportWe categorise qualifying assets, calculate the allowance position and prepare the claim for submission.

Talk to our specialists Read more about Capital Allowances

£50m+

in R&D Tax relief secured for clients

Innovation

R&D Tax Credits help professional services firms and their clients recover cash or reduce tax liabilities on qualifying innovation activity, even where that work doesn't look like obvious R&D activity on the surface. We review project and cost records to identify qualifying activity that's often missed because it sits within day-to-day client delivery rather than a dedicated R&D function.

Uncover overlooked qualifying activityMany firms underestimate how much of their clients' work, process improvement, bespoke system builds, technical problem-solving qualifies for relief.
Technical and financial reviewWe assess project narratives and cost data together, ensuring claims are both technically robust and accurately quantified.
HMRC-compliant claim preparation We prepare and document claims to the current HMRC standard, reducing enquiry risk for your clients.
Ongoing enquiry support Where HMRC raises questions, we support your client through the process, protecting the relationship and the claim.
Cross-sell opportunity identificationWe proactively flag where more than one relief or service may apply to the same client, so opportunities aren't left on the table.

Talk to our specialists Read more about R&D Tax Relief

45+ years

Of combined compliance expertise

Compliance

Our Compliance services help professional services firms and their clients manage regulatory obligations, reduce risk and respond confidently to scrutiny. From anti-money laundering requirements to R&D Tax Credit compliance, we review existing processes, documentation and submissions to identify gaps and strengthen your compliance position.

AML compliance reviewsWe assess AML policies, procedures and internal controls against the requirements relevant to your firm, identifying areas that may need strengthening.
Client due diligence and risk assessmentWe review client identity checks, risk ratings, source-of-funds records and ongoing monitoring to help ensure your AML processes are clearly documented and consistently applied.
R&D claim health checks and process reviewsWe review previously submitted R&D claims, supporting evidence and internal processes against current HMRC requirements, helping identify compliance risks and build a more defensible approach.
HMRC enquiry and disclosure supportWe support clients through HMRC enquiries, voluntary disclosures and other compliance matters, helping manage correspondence, evidence and corrective action where required.

Talk to our specialists Read more about AML Advisory

Our edge

Specialist tax & Compliance support for Professional Services firms

At Bonham & Brook, professional services engagements are led by dedicated specialists in the relevant advisory or tax relief area.

Our specialists work with partners, directors, finance teams, compliance teams and technical advisers to review R&D activity, capital expenditure, energy usage, property transactions and innovation funding opportunities across each area of our service offering.

We use business records, compliance information, transaction documents and financial data to identify the relevant advisory or relief position. We then prepare calculations, supporting documentation and implementation guidance where needed.

Hector Simpson

Head of Partnerships

Partnerships

How we collaborate with Professional Services firms

We understand that professional services firms have a million and one things to think about, and as a result some client savings are missed due to capacity. Bonham & Brook acts as an extension to your firm, providing specialist insight into key savings areas across R&D, Capital Allowances, Energy Relief and Compliance, stopping things falling through the cracks and ultimately bolstering client cashflow.

Partnership structure review

We review the firm’s ownership, profit-sharing and decision-making ...

Step 01

Dedicated relationship management

A single point of contact coordinates access to the right specialists ...

Step 02

Structured onboarding

A clear onboarding process gets your team up to speed on how and when ...

Step 03

Commercial partnership framework

Transparent referral arrangements structured around how your firm ...

Step 04

Cross-sell opportunity identification

We proactively flag where more than one relief or service may apply ...

Step 05

Case Studies

Examples of how we’ve helped businesses secure funding, manage risk, and unlock tax value.

How Weetabix turned Rising Costs into Sustainability Investment

Energy
Manufacturing

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Weetabix, a leading UK cereal manufacturer, partnered with Bonham & Brook to address rising energy costs and strengthen its sustainability strategy. Initially unaware of their eligibility for the scheme, the collaboration allowed them to reduce their energy costs allowing them to reinvest savings into greener technologies.

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The Challenge

For Weetabix, an energy‑intensive business, managing rising costs effectively is critical to maintaining competitiveness and funding sustainability initiatives. The company needed expert support to navigate complex government schemes, namely the EII Scheme, introduced to mitigate rising energy costs & encourage UK manufacturing.

The Solution

The Bonham & Brook energy experts:

Conducted a detailed review of energy consumption and operational practices.
Managed compliance processes, applications, & documentation with minimal burden on the Weetabix team.
Delivered advisory support to align energy strategy with sustainability and carbon reduction goals.

“I would absolutely recommend Bonham & Brook as a supplier inthis space.”

Impact & Results

Secured participation in the EII incentive, reducing exposure to rising energy costs.
Freed up funding to reinvest in sustainability initiatives and new technologies.
Supported Weetabix’s commitment to reduce Scope 1 emissions by 53% over the coming years.

“Bonham & Brook helped us to identify areas of improvement within our operational side of the strategy, working to understand where our consumption lies & how we can fit within energy‑intensive schemes from the government.”

Hugh Tollan, Strategic Sourcing Manager, Weetabix

Why Bonham & Brook?

By simplifying complex processes and ensuring full compliance while uncovering cost‑saving opportunities, Bonham & Brook gave Weetabix the confidence to pursue its wider sustainability goals with ease.

Working with Bonham & Brook

Deep expertise in legislative compliance and sustainability strategy.
Ability to combine compliant practices with value creation.
Transparent, responsive communication and tailoredadvisory support.

Looking Ahead

Weetabix continues to work with Bonham & Brook to embed sustainability across its operations, ensuring long‑term success while minimising environmental impact.The partnership supports Weetabix’s transition to green energy and reinforces its role as a responsible UK manufacturer.

Bonham & Brook has a score of 4.8/5 on Trustpilot.

To discuss how Bonham & Brook can help your business.

Get in touch

Weetabix

How Weetabix turned Rising Costs into Sustainability Investment

When an audit becomes your competitive advantage: An accounting firm’s story

AML
Accounting

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The Challenge

An AML audit from ACCA highlighted areas where Pollock Taylor Ltd needed to improve its procedures. Without expert guidance, the firm risked spending significant time and resources trying to meet complex compliance requirements.

The Solution

Bonham & Brook’s AML consultant, Jonathan, conducted a thorough independent audit of Pollock Taylor’s current position. He identified key areas for improvement and worked closely with the team to resolve issues. The support included:

A bespoke firm-wide risk assessment
A tailored policy and procedure manual
Hands-on guidance to ensure compliance with ACCA standards

“B&B are professional, efficient, and good value for money.”

Impact & Results

Clearer understanding of AML requirements
Processes established to maintain compliance
Confidence in meeting ACCA obligations
Significant time savings by leveraging expert knowledge instead of internal research

"What stood out most was the way Jonathan worked alongside us. It felt less like being audited and more like having a trusted partner guiding us through the process.”

Matthew Mead, Director, Pollock Taylor Ltd

Why Bonham & Brook?

Pollock Taylor Ltd had previously worked with Bonham & Brook and trusted their expertise. The professionalism, efficiency, and attention to detail stood out, making the service excellent value for money.

Working with Bonham & Brook

Transparent, responsive communication and tailored advisory support.
Deep expertise in legislative compliance and sustainability strategy.

Looking Ahead

Pollock Taylor Ltd continues to work with Bonham & Brook to strengthen their compliance position across operations, ensuring long‑term resilience & maintaining client trust. The partnership supports Pollock Taylor’s commitment to proactive AML practices and reinforces it’s role as a competitive UK accounting firm.

Bonham & Brook has a score of 4.8/5 on Trustpilot.

To discuss how Bonham & Brook can help your business contact us today.

Get in touch

Pollock Taylor Ltd

When an audit becomes your competitive advantage: An accounting firm’s story

How our sector experts optimised the R&D tax process for GP biotec

R&D
Manufacturing

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The Challenge

GP Biotec’s earlier R&D tax claims placed a heavy burden on internal teams. The process was complex, resource‑intensive, and detracted from core business operations. The company needed an advisor who could reduce this strain while maximising the benefit of government incentives.

The Solution

Bonham & Brook’s technical consultant, Eric, brought immediate confidence through his deep understanding of AD plants. The process was handled smoothly in the background, requiring minimal input from the client. Key elements included:

Unmatched sector expertise
Clear, tailored guidance
Streamlined process with minimal client burden

“Don’t hesitate. It’s well worth exploring, and you may be surprised by the level of benefit available.”

Impact & Results

Meaningful tax savings secured, offsetting significant site and equipment investments
Reduced internal workload, freeing the team to focus on operations
Confidence in meeting ACCA obligations
Complete confidence in the process

"The process was seamless. We secured meaningful tax savings, and what surprised us most was how well the team understood our industry.”

Lucy Owen, Regulatory Compliance Manager, Biotec Ltd

Why Bonham & Brook?

The standout factor was technical understanding. Eric’s grasp of AD operations reassured GP Biotec that their claim was in safe hands. The seamless process contrasted sharply with previous experiences, delivering both efficiency and value.

Working with Bonham & Brook

Transparent, responsive communication and tailored advisory support
Deep expertise in legislative compliance and sustainability strategy

Looking Ahead

GP Biotec continues to work with Bonham & Brook across multiple areas. With limited government support for the sector, incentives like R&D tax relief are vital for enabling investment and growth. Bonham & Brook’s expertise ensures GP Biotec can confidently leverage these opportunities.

Bonham & Brook has a score of 4.8/5 on Trustpilot.

To discuss how Bonham & Brook can help your business contact us today.

Get in touch

GP Biotec

How our sector experts optimised the R&D tax process for GP biotec

Learn More

What our clients say about us

“I would absolutely recommend Bonham & Brook as a specialist in this space.”

Hugh Tollan

Strategic Sourcing Manager, Weetabix

"What stood out most was the way Jonathan worked alongside us. It felt less like being audited and more like having a trusted partner guiding us through the process"

Matthew Mead

Director, Pollock Taylor Ltd

"What stood out most was B&B’s tenacity. They kept pushing, staying on top of government updates, ensuring we didn’t miss out on anything. We highly recommend them to any business seeking to maximise their energy tax opportunities.”

Andrew Burke

Global Product Manager, Eternis

Get in touch

Tax relief eligibility review for Professional Services firms.

Book a structured, no-obligation review with a specialist. We’ll assess your compliance requirements, partnership structure, property costs and transaction history, then provide a clear viability report.

Confidential

All discussions are held in strict confidence.

Complimentary

Initial eligibility consultation is always complimentary.

Tax advisory and relief services for Professional Services firms

Key challenges facing Professional Services firms

Sub-sectors within Professional Services

How We Help Professional Services Firms

Specialist tax & Compliance support for Professional Services firms

Head of Partnerships

How we collaborate with Professional Services firms

Partnership structure review

Dedicated relationship management

Structured onboarding

Commercial partnership framework

Cross-sell opportunity identification

Case Studies

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The Challenge

The Solution

Impact & Results

“Bonham & Brook helped us to identify areas of improvement within our operational side of the strategy, working to understand where our consumption lies & how we can fit within energy‑intensive schemes from the government.”

Why Bonham & Brook?

Working with Bonham & Brook

Looking Ahead

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Industry: Accounting

Service Provided: Anti-Money Laundering Compliance

The Challenge

The Solution

Impact & Results

"What stood out most was the way Jonathan worked alongside us. It felt less like being audited and more like having a trusted partner guiding us through the process.”

Why Bonham & Brook?

Working with Bonham & Brook

Looking Ahead

Related Case Studies

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The Challenge

The Solution

Impact & Results

"The process was seamless. We secured meaningful tax savings, and what surprised us most was how well the team understood our industry.”

Why Bonham & Brook?

Working with Bonham & Brook

Looking Ahead

What our clients say about us

Tax relief eligibility review for Professional Services firms.

Request a Free Eligibility Review