Jonathan Thelen

Jonathan Thelen is a Chief Financial Officer (CFO) who specializes in financial-strategic growth for small and medium enterprises (SMEs) and growth companies. Based in Belgium, Thelen combines hands-on CFO expertise with extensive experience in mergers and acquisitions (M&A) and investments, bringing both operational acumen and strategic insight to his clients.

Thelen's approach is characterized by analytical rigor, a no-nonsense methodology, and a focus on measurable impact. Companies engage his services to establish robust financial structures, increase profitability, and prepare for financing rounds or acquisition opportunities. His dual expertise in operational finance and strategic transactions positions him uniquely to guide organizations through complex financial transformations.

As a CFO consultant, Thelen focuses on several key areas of financial management. He works extensively with SMEs to develop comprehensive financial structures that support sustainable growth. His experience in M&A transactions enables him to prepare companies for potential acquisitions, ensuring financial readiness and optimal positioning in the market.

Thelen's investment background allows him to provide valuable insights into funding strategies and investor relations. He assists companies in understanding and improving their financial metrics to attract investment or secure favorable financing terms. His operational expertise ensures that financial strategies are not only theoretically sound but practically implementable.

Thelen primarily serves SMEs and growth companies that require sophisticated financial leadership without the full-time commitment of an internal CFO. His clients typically seek to scale their operations, improve financial performance, or prepare for significant corporate events such as fundraising rounds or exit strategies.

Thelen's methodology emphasizes measurable outcomes and practical implementation. He combines traditional financial management principles with modern analytical tools to deliver results that directly impact the bottom line. His no-nonsense approach ensures that recommendations are actionable and aligned with business objectives, making him particularly effective in fast-paced growth environments where rapid financial optimization is essential.

Jonathan Thelen is the founder of Financial Tree for Companies, based in Aalst, Belgium, and is also associated with VesperVentures.co. He describes himself as providing 'Finance a.i. voor KMO's & groeibedrijven' (Finance a.i. for SMEs & growth companies) and has posted about AI in finance topics.

Full name	Jonathan Thelen
Role	CFO
Country	Belgium
Industry	Finance
Specialties	CFO Services · Mergers and Acquisitions · Financial Strategy · SME Growth · Investment Advisory · Financial Restructuring
Consulting rate	EUR 145 per hour
Bookable	Yes — via TinRate

• Jonathan Thelen - VesperVentures.co | LinkedIn (LinkedIn)
• Jonathan Thelen - VesperVentures.co (LinkedIn)
• Jonathan Thelen - Finance a.i. voor KMO's & groeibedrijven (LinkedIn)
• Jonathan Thelen's Post on AI in Finance (LinkedIn)
• Jonathan Thelen - Financial Tree for Companies (LinkedIn)

• How to build an investment portfolio for beginners? (Investment Advisory)
• How to value a target company for acquisition? (Mergers and Acquisitions)
• What is due diligence in mergers and acquisitions? (Mergers and Acquisitions)
• What is due diligence in mergers and acquisitions? (Mergers and Acquisitions)
• What is the due diligence process in M&A transactions? (Mergers and Acquisitions)
• What is the difference between a merger and an acquisition? (Mergers and Acquisitions)
• What is mergers and acquisitions (M&A)? (Mergers and Acquisitions)
• What is Mergers and Acquisitions (M&A)? (Mergers and Acquisitions)
• What is a merger and acquisition (M&A) process? (Mergers and Acquisitions)
• How much do investment advisory services typically cost? (Investment Advisory)

Expert	Role	Country	Rate	Languages
Aelbrecht Van Damme	Founder, The Harbour	Belgium	EUR 125/hr	en, nl
alex carletto	founder&executive advisor, Carletto Consulting&advisory	Belgium	—
Andreas Gemis	Director CFO Advisory, Eight Advisory	Belgium	EUR 160/hr
anthony de clerck	investor, dovesco	Belgium	EUR 100/hr
Anthony Swolfs	CEO, Archer	Belgium	EUR 100/hr	en, nl
Arthur Dekeyser	Finance Consultant, Novalar Consult	Belgium	EUR 130/hr	nl, en, fr

• Book Jonathan Thelen on TinRate
• Jonathan Thelen - VesperVentures.co | LinkedIn
• Jonathan Thelen - VesperVentures.co
• Jonathan Thelen - Finance a.i. voor KMO's & groeibedrijven
• Jonathan Thelen's Post on AI in Finance
• Jonathan Thelen - Financial Tree for Companies
• Financial Tree for Companies - Groeikansen voor KMO's
• Over FTFC - Financial Tree for Companies
• Organisatieontwikkeling - Financial Tree for Companies
• Scans - Financial Tree for Companies

1. LinkedIn Profile - Jonathan Thelen VesperVentures.co — accessed 2026-04-13
2. Financial Tree for Companies Website — accessed 2026-04-13
3. About FTFC - Company Background — accessed 2026-04-13