Best Fractional CFO Services in London

Top London Fractional CFO Companies & Fractional CFOs

London is a global hub for finance, fintech, technology, SaaS, and high-growth businesses. As companies grow, their financial needs become more complex—but a full-time CFO isn’t always necessary.

A fractional CFO provides flexible, executive-level financial leadership without the cost of a permanent hire. They help businesses improve cash flow, forecasting, fundraising readiness, and strategic decision-making.

At Digital Reference, we highlight finance leaders who help founders and leadership teams strengthen financial operations and make smarter business decisions.

This curated list of London Fractional CFOs and Interim CFOs features independent professionals and specialized advisory firms supporting businesses through growth, fundraising, restructuring, and expansion.

This will remain a living list of finance leaders making a meaningful impact across London.

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🌟 Our Methodology - How We Selected the Top Fractional CFO Services in London

We evaluated professionals based on experience, visibility, and relevance to London’s business community:

• London-area connection — Based in or actively serving Greater London
• Active practice — Currently offering fractional, interim, part-time, or project-based CFO services
• Professional presence — Visible through LinkedIn, professional websites, or industry involvement
• Relevant experience — Supporting startups, founder-led businesses, growth-stage companies, or other dynamic organizations
• Digital Reference principles — Demonstrating authenticity, transparency, and meaningful expertise

These professionals provide the financial leadership London businesses need to navigate growth and complexity.

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🌟 Digital Reference's List of Best Fractional CFO Companies in London

Fractional CFO firms give London businesses access to flexible financial expertise without building a full in-house finance team. Services often include forecasting, cash flow management, fundraising, strategic planning, and finance operations.

The firms featured here were evaluated based on their London presence, CFO services, professional reputation, and relevant experience.

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📈 EmergeOne | Fractional CFO Services‍

EmergeOne provides fractional CFO services for startups, scaleups, and venture-backed businesses seeking senior financial expertise without hiring a full-time CFO. The firm supports companies with strategic finance, fundraising, forecasting, and capital management.

Notable Services:

• Fractional CFO services
• Financial strategy
• Financial forecasting
• Financial modeling
• Capital management
• Fundraising support
• Investor reporting
• Business growth planning
• Strategic decision support

EmergeOne may be a strong fit for early-stage and venture-backed businesses that need experienced financial leadership as they prepare to scale, raise capital, or improve financial management.

Founded by:
Aarish Shah, CEO & Founder. Shah has served as a CFO to venture-backed startups for more than a decade and has more than 20 years of business experience. He founded EmergeOne to help early-stage companies build stronger financial foundations.

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📈 Onside Accounting‍

Onside Accounting provides integrated accounting, tax, finance, and fractional CFO services for ambitious businesses, particularly technology startups and growing companies. Its finance team supports businesses across reporting, forecasting, fundraising, governance, and expansion.

Notable Services:

• Fractional CFO services
• Finance director services
• Financial reporting
• Budgeting and forecasting
• Financial modeling
• Fundraising support
• Investor and board reporting
• Financial systems implementation
• Global expansion support

Onside Accounting may be a strong fit for technology startups and high-growth companies seeking an integrated finance partner that can support them from early-stage growth through expansion.

Founded by:
Martin Brennan, Founder. Brennan founded Onside Accounting in 2021 and brings experience in operational leadership, technical accounting, and the technology and venture ecosystem. He is also an active angel investor and ACCA Global Council member.

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📈 AI Accounts‍

AI Accounts provides fractional CFO services for startups, scaleups, and growing SMEs, combining senior financial guidance with hands-on finance support. The firm helps businesses strengthen forecasting, reporting, fundraising preparation, and financial decision-making.

Notable Services:

• Fractional CFO services
• Financial forecasting
• Financial modeling
• Cash-flow management
• Board reporting
• Investor reporting
• Fundraising support
• Scenario planning
• Strategic financial planning

AI Accounts may be a good fit for UK startups, scaleups, and growing SMEs that need senior financial guidance alongside reliable finance operations.

Founded by:
Anna Stafford, Founder & Director. Stafford founded AI Accounts in 2020 after nearly 20 years in finance. She works directly with founders as their CFO and main financial contact, supported by a wider finance team.

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📈 BondEsq Accounting & Bookkeeping Services‍

BondEsq provides fractional CFO and accounting services for SMEs, owner-managed businesses, and growing teams. Its CFO support focuses on improving financial visibility, cash-flow planning, profitability, forecasting, and business decision-making.

Notable Services:

• Fractional CFO services
• Cash-flow and runway planning
• Financial forecasting
• Scenario planning
• KPI tracking
• Profit and margin analysis
• Budgeting and financial planning
• Board-style financial reviews
• Finance process oversight

BondEsq may be a strong fit for growing SMEs and founder-led businesses that need CFO-level financial guidance without committing to a full-time finance executive.

Founded by:
Shawn Bond, Founder & Head Accountant. Bond leads the firm with a focus on clear financial reporting, practical guidance, and stronger financial control for SME owners.

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📈 ScaleWithCFO‍

ScaleWithCFO provides fractional CFO services specifically for SaaS, AI, and technology companies across London and the UK. The firm combines hands-on CFO support with financial modeling, forecasting, board reporting, and investor-focused financial planning.

Notable Services:

• Fractional CFO services
• Financial modeling
• Cash-flow forecasting
• KPI and performance reporting
• Board reporting
• Fundraising preparation
• Investor financial analysis
• Scenario planning
• Financial systems and reporting

ScaleWithCFO may be a strong fit for SaaS, AI, and technology businesses preparing for fundraising, scaling operations, improving reporting, or planning an exit.

Founded by:
Constantin Botnari, Founder. Botnari is a CIMA-qualified accountant and SaaS/AI finance specialist who works directly with founders on financial modeling, reporting, forecasting, and strategic finance.

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🌟 Digital Reference's List of Best Fractional CFOs in London

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📊 Katherine Hall

Katherine Hall (née Pearse) is Founder of Building Balance Services, providing Fractional CFO support to businesses navigating restructuring, acquisitions, fundraising, and growth. Based in London, she combines financial strategy with systemic coaching, bringing a calm and practical approach to complex business challenges.

‍Notable Expertise:

• Restructuring, acquisitions, and fundraising
• Operationally embedded financial leadership
• Systemic coaching and strategic financial planning

Katherine combines financial precision with empathy and intuition, helping founders, boards, and investors navigate major business milestones with greater clarity.

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📊 Adrian Lawrence

Adrian Lawrence is Founder and Managing Director of FD Capital, a UK-based network providing part-time, interim, and fractional CFO and Finance Director services. Based in London, he helps businesses access senior financial leadership suited to their size, growth stage, and strategic goals.

‍Notable Expertise:

• Fractional and interim CFO leadership
• Finance executive recruitment
• Strategic financial and board-level guidance

Adrian combines extensive finance, private equity, and recruitment experience to help businesses find flexible financial leadership that supports sustainable growth.

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📊 Aimad Ben Chekroun

Aimad Ben Chekroun is Founder of Ben Accounting, helping startups, SMEs, and entrepreneurs move beyond day-to-day accounting toward stronger financial strategy. His approach combines accounting expertise with practical guidance for businesses focused on growth.

Notable Expertise:

• Startup and SME financial strategy
• Financial reporting and planning
• Scalable finance systems and processes

Aimad brings a hands-on approach to financial management, helping ambitious businesses strengthen their foundations while preparing for future growth.

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📊 Tim Cundy

Tim Cundy is Partner at Monty Accounting, where he helps fast-growing businesses gain financial clarity and scale sustainably. His experience spans corporate finance, entrepreneurial ventures, and creative and digital businesses, giving him a practical perspective on growth.

Notable Expertise:

• Creative and digital agency finance
• Financial planning and strategic growth
• Mentoring and financial decision support

Tim combines financial expertise with a mentoring approach, helping leadership teams understand their numbers and align financial strategy with ambitious growth plans.

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📊 Davie Monks

Davie Monks is a London-based Fractional CFO and Finance Leader known for a straightforward, practical approach to financial leadership. He works with SMEs and early-stage businesses, making complex financial information more accessible and connecting finance with everyday business decisions.

Notable Expertise:

• Operational and strategic finance
• Financial communication and decision-making
• Embedded support for SMEs and startups

Davie combines big-picture financial insight with practical execution, helping growing businesses build financial structures that support rather than slow down growth.

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📊 Karen Stephen

Karen Stephen is Founder of Soul CFO, bringing a values-driven approach to fractional CFO services and financial coaching. As a Chartered Accountant, she combines technical financial expertise with a coaching mindset to help founders build profitable and meaningful businesses.

Notable Expertise:

• Fractional CFO and strategic financial planning
• Financial coaching and founder support
• Cash flow, reporting, and business profitability

Karen combines financial expertise with empathy and purpose, making her particularly valuable to mission-driven businesses and founders seeking greater financial clarity and confidence.

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Using Digital Reference to Find the Best Fractional CFO Service in London For Your Needs

In London’s fast-moving business environment, fractional CFOs provide flexibility and financial foresight—whether you’re preparing for fundraising, managing growth, improving cash flow, or navigating financial challenges.

They’re not just number crunchers. They’re:

• Strategists who align capital with business goals
• Translators who connect financial insights with leadership
• Architects who build scalable, repeatable processes

At Digital Reference, we believe in professional storytelling backed by structured data and social proof. Our platform helps fractional leaders:

• Showcase their experience through professional portfolios
• Share references and testimonials that build trust
• Present thought leadership and expertise

This guide is one of many ways we help professionals show the work behind the title.

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Looking to hire a fractional CFO?

Bookmark this list. Looking to become one? Let us help you build your digital footprint with purpose.

This is a living list and we’re always looking to highlight more professionals driving impact in the field. If you are—or know—a stellar London-based fractional CFO, reach out to us at Digital Reference.

We’re building the infrastructure that makes talent visible, verifiable, and more human.

Digital Reference is here to help - need more insight into the world of Finance Professions? - Check out below:

• What are Finance Professionals?
• Do I need a Finance or Accounting Consultant?
• Deep Dive into Finance Executive Responsibilities
• Outsourced CFO Services in the US
• US-Based Financial Advisors
• City Directories of Fractional CFOS
• Save some money -> Outsourced CFO services in India & Outsourced CFO services in Canada

If there is other content that you think we're missing that would help make Finance more authentic and transparent, let us know at hello@digitalreference.co . Thanks for reading! Keep work human!

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Explore our International Directories of Part-Time, Fractional, and Virtual CFO Services

Fractional CFO Services in Australia

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Explore a list of top fractional CFO firms in Australia offering part-time financial leadership to startups and growth-stage companies.

Fractional CFO Services in Canada

Top Outsourced CFO Agencies in Canada
A curated directory of top Canadian firms offering outsourced and fractional CFO services, with a strong emphasis on affordability and financial clarity.

Fractional CFO Services in India

Top Outsourced CFO Agencies in India
India's growing ecosystem of financial leadership includes cost-effective, high-impact CFO services for scaling companies.

Fractional CFO Services in the United Arab Emirates (UAE)

Top Outsourced CFO Agencies in the UAE
A roundup of leading part-time CFO firms in Dubai and beyond, offering strategic support for regional and international ventures.

Fractional CFO Services in the United Kingdom (UK)

Top Outsourced CFO Agencies in the UK
From London to Leeds, this list highlights some of the best interim CFO providers for UK-based startups and SMEs.

Fractional CFO Services in the United States (USA)

Top Outsourced CFO Agencies in the USA
A national view of leading firms offering fractional CFO services to startups, family businesses, nonprofits, and more.

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Take a Dive into Our Regional Guides to Fractional & Part-Time CFO Talent

Looking for financial leadership that fits your stage and budget? These city-by-city guides highlight vetted, independent fractional CFOs helping companies grow smarter, operate leaner, and plan with confidence.

Fractional CFOs in Ann Arbor Making Things Happen

Ann Arbor’s deep tech and academic ecosystem is supported by a growing cohort of CFOs who understand innovation, grants, and founder-led finance.

Fractional CFOs in Atlanta Making Things Happen

Atlanta-area fractional CFOs bring sharp financial discipline to fast-growing tech, logistics, and consumer brands across the Southeast.

Fractional CFOs in Austin Making Things Happen

In a city known for startups and scale-ups, these CFOs help Austin companies make smart capital decisions and operationalize growth.

Fractional CFOs in Chicago Making Things Happen

Chicago’s finance-savvy fractional CFOs support companies across manufacturing, logistics, tech, and services with pragmatic financial leadership.

Fractional CFOs in Dallas-Fort Worth Making Things Happen

From fundraising prep to financial operations, these DFW-based CFOs bring high-impact expertise to Texas’s most diverse business hub.

Fractional CFOs in Denver Making Things Happen

Denver’s startups and PE-backed firms are increasingly turning to fractional finance leaders who can help bridge vision and execution.

Fractional CFOs in Detroit Making Things Happen

Detroit’s resurgence is being shaped by finance professionals who know how to manage transformation—from legacy to modern systems.

Fractional CFOs in Houston Making Things Happen

Houston-based fractional CFOs offer clarity and control to companies navigating scale in healthcare, logistics, energy, and services.

Fractional CFOs in Los Angeles Making Things Happen

LA’s creative and tech-driven economy benefits from fractional CFOs who understand cash flow, venture expectations, and brand finance.

Fractional CFOs in Miami Making Things Happen

Miami’s capital influx and startup energy are backed by fractional CFOs helping local companies stay lean, fundable, and focused.

Fractional CFOs in Nashville Making Things Happen

Nashville-based CFOs are powering healthcare, SaaS, and creative businesses with the structure and insight needed for sustainable growth.

Fractional CFOs in Phoenix Making Things Happen

Phoenix companies are tapping into a new class of CFOs ready to support capital planning, margin strategy, and finance ops at scale.

Fractional CFOs in San Francisco Making Things Happen

In the heart of venture capital and product-led growth, these SF-based CFOs are helping startups move from story to sustainability.

Fractional CFOs in Tampa Making Things Happen

Tampa’s startup and services economy is supported by CFOs bringing strategic clarity to e-commerce, healthtech, and founder-led orgs.

Fractional CFOs in Washington DC Making Things Happen

DC’s nonprofits, govtech, and professional services firms benefit from fractional CFOs who understand compliance, complexity, and growth.

Careers are long, but life is short. Let’s build a more transparent and efficient financial consulting industry—together. Explore your options. Ask the right questions. And build your team—with transparency and trust.

– The Digital Reference Team‍