Thomas is available for hire
Hire ThomasThomas Grenet
Verified Expert in Finance
Finance Expert
Location
London, United Kingdom
Toptal Member Since
October 31, 2017
Tom spent the last three years working as the finance lead for early-stage startups in London and, since 2020, as portfolio FD. Tom was instrumental in a £3 million seed round for fuel-delivery startups backed by Tier 1 VC investors; he recently raised £600,000 for an eCommerce business. When he's not busy with fundraising, he loves helping founders and management teams shape their sustainable business vision. Before his startup life, Tom spent ten years in leverage finance.
Career Highlights
CFO (Freelance)
HouseOf
Interim CFO
Weezy
Head of Finance
Zebra Fuel Ltd
Education Highlights
Master's Degree
EDHEC Business School
Case Studies
Expertise
Work Experience
CFO (Freelance)
2020 - PRESENT
HouseOf
- Raised £750 million of funding across multiple rounds through a mix of equity, loan, crowdfunding, and working capital financing—to support the growth of the business.
- Implemented management accounts, KPIs, and ROI targets.
- Acted as an instrument to change the founder's mindset from a pure eCommerce brand to a multi-channel, profit-focused business. Reduced burn by 80% over six months.
- Automated processes, including invoice processing and stock management.
Focus areas: Startups, Fundraising, Financial Planning & Analysis (FP&A), Accounting, Modeling, Pitch Deck Consultant, Startup Funding, Fundraising Strategy, Interim CFO, Financial Modeling, Three-statement Modeling, Forecasting, Valuation, Comparable Company Analysis, Revenue & Expense Projections, Microsoft Word, Microsoft Excel, Business Planning, Investor Reporting, Microsoft PowerPoint, Retail & Wholesale, Europe, Google Docs, Presentations, Excel 365, CFO, Looker
Head of Finance
2020 - PRESENT
Beam
- Built a financial model for internal projections and external fundraising.
- Led the process of converting debt into capped return equity shares.
- Built a pricing model template for new contracts, covering national and international expansion.
- Managed payroll and bookkeeping for a charity and social enterprise.
Focus areas: Accounting, Fundraising, Financial Planning & Analysis (FP&A), Financial Modeling, Pitch Deck Consultant, Interim CFO, Three-statement Modeling, Forecasting, Revenue & Expense Projections, Microsoft Word, Microsoft Excel, Investor Reporting, Microsoft PowerPoint, Europe, Airtable, Google Docs, Presentations, Startup Funding, Excel 365, CFO
Interim CFO
2021 - 2021
Weezy
- Rolled out finance processes for a high-growth business—where the team quadrupled within three months—including payment, payroll, and invoice processing automation.
- Initiated fundraising work in preparation for the Serie B round, including investor presentation and financial modeling.
- Oversaw the EMI share option roll-out and equity for service contract with a key tech development boutique.
Focus areas: Startups, Accounting, Forecasting, Modeling, Interim CFO, Financial Modeling, Three-statement Modeling, Valuation, Comparable Company Analysis, Revenue & Expense Projections, Microsoft Word, Microsoft Excel, Business Planning, Investor Reporting, Microsoft PowerPoint, Retail & Wholesale, Europe, Google Docs, SQL, Presentations, Excel 365, CFO, Looker
Head of Finance
2018 - 2019
Zebra Fuel Ltd
- Raised £3 million round; built financial model and investor deck; heavily involved in the due diligence process.
- Optimized cash flow and negotiated improved payment terms (resulting in negative working capital); Capex put on long-term debt financing.
- Built the finance function from scratch. Designed and rolled out finance and accounting processes; automated invoicing, payable capture and payroll; insourced bookkeeping; overhauled pricing model and commission structure.
- Managed two direct reports.
Focus areas: Cash Management, Bookkeeping, Financial Modeling, Financial Planning & Analysis (FP&A), Fundraising, Pitch Deck Consultant, Startup Funding, Fundraising Strategy, Interim CFO, Three-statement Modeling, Forecasting, Valuation, Revenue & Expense Projections, Microsoft Word, Microsoft Excel, Business Planning, Investor Reporting, Microsoft PowerPoint, Europe, Accounting, Google Docs, SQL, Presentations, Boards, Excel 365, CFO
Director
2017 - 2018
Guide and Seek Ltd
- Built a fully-costed financial model for a liquor manufacturing startup, resulting in successful seed fundraising of £50,000.
- Created budgeting and performance monitoring tools for a social enterprise in France and a non-profit organization operating in London.
- Hosted workshops to help entrepreneurs understand finance as well as build business plans and financial models.
Focus areas: Three-statement Modeling, Budgeting, Startup Funding, Financial Planning & Analysis (FP&A), Business Planning, Pitch Deck Consultant, Fundraising Strategy, Interim CFO, Financial Modeling, Forecasting, Valuation, Comparable Company Analysis, Revenue & Expense Projections, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Europe, Google Docs, Presentations, Excel 365, Looker
Credit Research Analyst
2012 - 2017
Lyxor Asset Management
- Recommended investment opportunities—analyzed roughly 90 companies—leading to an estimated €1.3 billion of investments made across all sectors, with a particular focus on healthcare, retail, and services.
- Involved heavily in fundraising three funds totaling €670 million at launch. Helped prepare marketing materials, model prospective returns, and answer due diligence questions from prospective investors.
- Monitored investment performance with regular updates on position—buy, hold, and sell—and reviewed amendment requests issued by the borrowers.
- Drafted investor reports and validated valuation reports in collaboration with the trustee, the in-house valuation team, and middle-office and portfolio managers.
Focus areas: Financial Restructuring, Structured Finance Documentation, Debt Restructuring, Debt Capital Markets, Three-statement Modeling, Financial Planning & Analysis (FP&A), Fundraising, Investment Monitoring, Leveraged Buyout Modeling, Financial Modeling, Investment Portfolio Management, Mergers & Acquisitions (M&A), Pitch Deck Consultant, Forecasting, Comparable Company Analysis, Revenue & Expense Projections, Leveraged Finance, Leveraged Buyout (LBO), Microsoft Word, Microsoft Excel, DCF Modeling, Microsoft PowerPoint, Europe, Presentations, Excel 365
Leveraged Finance and TMT Portfolio Management Analyst
2007 - 2012
Société Générale
- Monitored a portfolio composed of about 15 European names across all sectors; effort included preparation of quarterly review and analysis of waiver and amendment requests.
- Advised the borrower and the banking pool on waiver requests, financials, and interpretation of the credit documentation.
- Set up monitoring tools for regulatory or performance purposes (involved VBA programming).
Focus areas: Structured Finance Documentation, Financial Restructuring, Debt Restructuring, Investment Monitoring, Leveraged Buyout Modeling, Portfolio Analysis, Mergers & Acquisitions (M&A), Financial Modeling, Three-statement Modeling, Forecasting, Comparable Company Analysis, Revenue & Expense Projections, Leveraged Finance, Leveraged Buyout (LBO), Microsoft Word, Microsoft Excel, DCF Modeling, Microsoft PowerPoint, Europe, Excel 365
Education
2003 - 2006
Master's Degree in Business Administration
EDHEC Business School - Lille, France
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