Arthur Dekeyser

Arthur Dekeyser is a finance consultant and the founder of Novalar Consult, specializing in cross-border finance and taxation for European companies operating in or expanding to the United States. He also serves as an Independent Finance Consultant for Flattery Salomon / US Steuerberatung. Dekeyser is multilingual, conducting business in Dutch, English, and French.

Before establishing his consulting practice, Dekeyser served as Finance Manager for ShowTex, where he built the company's entire North American finance operation from the ground up. His responsibilities included developing chart of accounts, establishing reporting structures, implementing payroll systems, ensuring tax compliance, and creating comprehensive financial infrastructure for international operations.

Dekeyser brings first-hand entrepreneurial experience to his consulting work, having founded and successfully exited a startup. This background provides him with practical insight into the challenges faced by business owners, particularly regarding cash flow management and critical financial decision-making.

Dekeyser's primary expertise lies in helping European businesses navigate the complexities of US financial operations. His services include US GAAP accounting implementation, multi-state tax nexus analysis, payroll and benefits administration, accounting and ERP system migrations, intercompany reconciliations, and sales tax compliance.

For EU-based companies, Dekeyser provides strategic accounting services including year-end closing procedures, audit preparation, financial reviews, and advisory services on finance function structuring. He works with startups, scale-ups, and mid-sized businesses across various stages of growth.

Dekeyser emphasizes a practical, straightforward approach to financial consulting. He focuses on cutting through complexity to provide clients with clear assessments of their financial position and actionable insights that support business decision-making. His methodology prioritizes simplicity and clarity over unnecessary complexity, drawing from his hands-on experience in both corporate finance and entrepreneurship.

Arthur uses the email adekeyser@novalarconsult.com and specializes in helping companies map their nexus exposure, register where required, and structure their U.S. presence for long-term compliance.

Full name	Arthur Dekeyser
Role	Finance Consultant
Organization	Novalar Consult
Country	Belgium
Industry	Finance
Specialties	Cross-Border Finance · US GAAP Accounting · Tax Compliance · International Business Expansion · Financial Operations · Startup Advisory
Languages	nl, en, fr
Consulting rate	EUR 130 per hour
Bookable	Yes — via TinRate

• Arthur Dekeyser - FlatterySalomon LLC & U.S. Steuerberatung LLC
• Arthur Dekeyser Facebook Profile (Facebook)

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• How do I validate my startup business idea? (Startup Advisory)
• What is a minimum viable product (MVP)? (Startup Advisory)
• What is a minimum viable product (MVP) in startup development? (Startup Advisory)
• What is startup advisory and how does it help entrepreneurs? (Startup Advisory)
• What is a startup advisory board? (Startup Advisory)
• What is startup advisory and why do entrepreneurs need it? (Startup Advisory)
• What is startup advisory and what role do advisors play? (Startup Advisory)
• How do I find the right startup advisor for my company? (Startup Advisory)
• How to find the right advisors for your startup? (Startup 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
Bart Becks	AI advisory on growth and governance, Genisys	Belgium	EUR 200/hr

• Book Arthur Dekeyser on TinRate
• Arthur Dekeyser - FlatterySalomon LLC & U.S. Steuerberatung LLC (linkedin)
• Arthur Dekeyser Facebook Profile

1. Arthur Dekeyser LinkedIn Profile — accessed 2026-04-09
2. Arthur Dekeyser Facebook Profile — accessed 2026-04-09