Fractional Finance Director and trusted adviser for growth and exit.
Lak Sidhu works with founders and leadership teams that need experienced financial judgment without the commitment of a full-time CFO or Finance Director. His work spans cashflow, management reporting, commercial improvement, international expansion, and business exits.
30+ years of senior finance leadership across UK growth businesses
Direct experience supporting both sellers and buyers in M&A situations
Hands-on involvement with trade sales, EOTs, international expansion, and business transformation
Based in Maidenhead and working with businesses across London, Berkshire, the South East, and the wider UK
Areas of expertise
Practical financial leadership for businesses that need stronger decisions, better control, and a clearer route to growth or exit.
Exit Planning and M&A
Preparation for trade sales, Employee Ownership Trusts, diligence, buyer conversations, and deal execution.
Financial Leadership
Management reporting, budgeting, forecasting, commercial decision support, and clearer board-level insight.
Operational Improvement
Stronger financial controls, better systems, disciplined cashflow management, and scalable processes.
Selected case studies
Examples of businesses Lak has helped through growth, operational improvement, and exit.
B2B Marketing & Media Agency
B2B Agency Growth and EOT Exit
B2B Marketing & Media Agency
How Oppenheim Advisory transformed a UK B2B marketing agency through operational improvements and prepared it for an Employee Ownership Trust exit.
Enigma Marketing Services
Enigma Marketing Trade Sale
B2B Technology Marketing Agency
How Oppenheim Advisory guided Enigma Marketing Services through a UK trade sale to a US media agency, managing diligence across jurisdictions. Learn more.
April Six
April Six Geographic Expansion
B2B Marketing Agency
How Oppenheim Advisory helped April Six set up international offices in the USA, Singapore, Germany and China. Speak to a Fractional FD today.
Latest insights from Lak Sidhu
Recent articles on planning, reporting, cashflow, and the practical side of business exits.
Financial Due Diligence: The Seller's Preparation Guide
Financial due diligence preparation for sellers: a 7-step UK vendor DD guide to protect valuation, avoid price chips and pass buyer scrutiny.
10 Signs Your Business Needs a Fractional Finance Director
Clear signs it is time to hire a fractional finance director — from late management accounts to fundraising prep. Book a free consultation today.
Annual Budgeting and Re-Forecasting for UK SMEs
Learn how UK SMEs can build effective annual budgets and rolling re-forecasts to improve planning, cashflow and decisions. Speak to a Fractional FD today.
Need experienced financial leadership?
If you need a clearer financial plan, sharper reporting, stronger cash discipline, or support preparing your business for exit, Lak can help you move faster with fewer blind spots.