Isosceles Finance

Business Details

25 Years

experience

Trusted Accounting & CFO Partners for Growing Businesses

Isosceles Finance was founded in 2001 to address the financial and HR needs of growing businesses. With a focus on fractional accounting, CFO services, and strategic HR support, we combine cutting-edge technology with deep industry expertise to help companies scale efficiently. Our team has supported hundreds of businesses, from startups to global enterprises, through critical growth phases and successful exits. Backed by the Dains Group since 2022, we offer access to a broader network of tax, corporate finance, and international support specialists.

Our methodology, refined through decades of experience, prioritises financial control, operational efficiency, and data-driven decision-making. We serve clients across the UK and internationally, with offices in Egham, Sheffield, Cambridge, and Edinburgh. Our clients consistently highlight our responsiveness, strategic insight, and ability to deliver measurable ROI through tailored financial solutions.

Services

Fractional Accounting Fractional CFO HR Services Business Exit Planning Payroll Services Financial Forecasting Statutory Compliance R&D Tax Claims International HR Support Business Intelligence Dashboards

Details

Year established: 2001

Highlights and features

We offer 20+ years of experience supporting startups through to global enterprises.
Our team provides access to strategic FD-level expertise on a flexible basis.
We combine financial controls with business intelligence dashboards for data-driven decisions.
Our exit planning methodology has delivered premium valuations for tech companies.
We operate with full transparency and no hidden fees across all services.

What people say

Outstanding responsiveness and teamwork Generated positive ROI Critical part of successful transaction Dedicated to making our life easy Proven exit preparation expertise

Website

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Services

Fractional Accounting

Our fractional accounting service provides scalable financial support for startups and growing businesses. Combining cloud technology with expert analysis, we handle transaction processing, financial controls, and reporting while you focus on growth. The service adapts to your business stage, from seed funding to pre-exit preparation. Clients benefit from improved cash flow management and strategic financial insights tailored to their industry.

Fractional CFO

Access experienced CFOs on a part-time basis for strategic financial leadership. Our experts specialise in fundraising, business transformation, and exit planning, providing tailored guidance without full-time costs. The service includes financial modelling, investor relations support, and operational finance strategy. Clients gain commercial insight and decision-making support aligned with their growth objectives and market conditions.

Business Exit Planning

We prepare businesses for successful exits through valuation optimisation and strategic positioning. Our methodology addresses seven key value drivers including market position, client relationships, and financial controls. The service includes due diligence preparation, buyer identification, and negotiation support. Clients benefit from maximised valuations and streamlined transaction processes, with proven success in technology sector exits.

HR Services

Comprehensive HR support covering UK compliance, international expansion, and employee relations. Our specialists provide EMEA-wide expertise for global companies establishing UK operations. Services include employment law compliance, payroll processing, and strategic HR planning. Clients receive pragmatic advice on talent management and organisational development tailored to their business lifecycle.

Payroll Services

Reliable payroll processing with full HMRC compliance and timely employee payments. Our service handles complex reporting requirements while ensuring tax regulation adherence. Clients benefit from reduced administrative burden and accurate, on-time payroll delivery. We support businesses with domestic and international payroll needs across multiple jurisdictions.

People

Mike O'Connell

Founder

Mike founded Isosceles Finance in 2001 after identifying a gap in financial support for scaling businesses. With extensive experience in investor relations and corporate finance, he has guided the company's evolution into a comprehensive business partner for growth-oriented firms. His leadership focuses on delivering value through strategic financial solutions.

Greg Eaton

Managing Director

Appointed Managing Director in 2024, Greg brings decades of experience in financial services and business growth strategy. He oversees service delivery across accounting, CFO, and HR divisions, ensuring alignment with client growth objectives. His expertise includes scaling technology companies and optimising financial operations for investor-backed firms.

Baz Khuti

CEO, QiO Technologies

As QiO Technologies' founder, Baz worked closely with Isosceles Finance on international financial operations across six countries. He highlights their responsive support in complex payroll and tax requirements, contributing to the company's global expansion. His testimonial emphasises the team's adaptability to multinational business needs.

Kenny Dunn

CEO, Eating Europe

Kenny credits Isosceles Finance with delivering measurable ROI through financial optimisation. As Eating Europe's founder, he worked with the team on scaling operations while maintaining financial control. His experience highlights the firm's ability to handle diverse financial challenges in fast-growing businesses.

Piers Lea

Founder, LINE Communications

Piers describes Isosceles Finance as critical to his company's successful exit. He worked with the team over multiple growth phases, valuing their long-term strategic guidance. His testimonial highlights the firm's role in preparing businesses for acquisition and ensuring smooth transaction processes.

Questions

What industries does Isosceles specialise in?

While we work across sectors, we have particular expertise in technology, SaaS, biotech, and professional services. Our team's experience with scaling funded businesses makes us ideal partners for high-growth companies in innovative sectors.

How does fractional accounting differ from traditional services?

Our fractional model combines transactional processing with strategic financial guidance. Unlike traditional accountants, we embed ourselves as an extension of your team, providing real-time financial insights and growth-focused support alongside standard compliance work.

Can Isosceles support international business operations?

Yes, we handle payroll and accounting for businesses operating in six countries. Our services include establishing UK entities for overseas companies and supporting global expansion with local compliance expertise across tax, employment law, and financial reporting.

What exit planning services do you offer?

We prepare businesses for sale by optimising seven value drivers: market position, client relationships, leadership quality, financial controls, operational efficiency, intellectual property, and growth potential. Our services include valuation benchmarking, buyer identification, and transaction management.

How do FD services work in practice?

Our FDs work part-time or project-based, supported by our full finance team. They provide strategic financial leadership in areas like fundraising, operational improvement, and business transformation, with flexible engagement models tailored to your specific needs and growth stage.