About us

 

Iter Advisors is a Fractional CFO and finance advisory firm that supports the strategic growth of its partners by structuring, managing, and scaling their finance function. 

We combine senior financial expertise with a modern, flexible operating model, helping companies build strong, data-driven foundations for long-term success.

Who we are

At Iter Advisors, we tailor our services to each client. Our Fractional CFOs bring deep industry expertise and strong command of modern digital finance tools to help you modernize, streamline, and professionalize your financial operations.

 

Backed by our entrepreneurial culture, our CFO team provides strategic and operational support across all key stages of a company’s development, including early-stage launch, rapid growth, and restructuring.

Our vision

 

Iter Advisors was founded on a simple belief: too many promising companies fail not because of their product, but because they lack clear financial visibility and disciplined management. Our mission is to change that by giving founders and leadership teams the financial insight, tools, and Fractional CFO support they need to make confident decisions and build sustainable, scalable businesses.

Best-in-class accounting

 

High-quality, compliant accounting that ensures accuracy, transparency, and peace of mind, allowing you to focus entirely on your core operations.

High-quality financial forecasting

We support the deployment and expansion of your business with certified, reliable data that gives you a clear view of your performance and enables profitable, sustainable growth.

Financial optimization

Our Fractional CFOs actively optimize your financial resources by reducing costs, improving efficiency, and continuously identifying new opportunities for sustainable growth.

A strong entrepreneurial spirit

Proven experience across innovation-driven sectors, supporting startups and SMEs in fast-moving, often international environments.

When should you call on Iter Advisors?

We support your company at every stage of its journey, integrating seamlessly into your team as a trusted and impartial financial partner. 

Our role is to secure, structure, and certify your administrative and financial management so you can grow with confidence.

Launch
Growth
Crisis management
Fund raising
Post-emergence

Our team

Our commitment: a team close to your business, a dedicated contact person, high-performance tools adapted to your business to optimize your day-to-day financial operations.

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Sébastien Doat
  • Co-founder and CFO
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Benjamín Ziza
  • Co-founder and CFO
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Guillaume Rostand
  • Founding Partner & CMO
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Quico Montuenga Rios
  • Fractional CFO
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Deisy Arias Ramírez
  • Fractional CFO
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Florent Greth
  • Fractional CFO
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Ornella Salgado
  • Finance Analyst
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Tom Jaufre
  • Finance CFO
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Arthur Soulages
  • Fractional CFO
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Augustin Louvet
  • Finance Analyst
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Rocío Montesano
  • Finance Analyst
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Christophe Hoarau
  • Chief Data Officer
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Fabien Onolfo
  • Finance Analyst
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Pauline Mathieu
  • Finance Analyst
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Mélody Cadet
  • Finance Analyst

They talk about us

See our testimonials

FAQ

What is an outsourced CFO?
An outsourced CFO is a CFO who works on a part-time or contract basis for companies that don’t need or can’t afford a full-time CFO. They bring their financial expertise to assist in the strategic and operational management of the company.
Startups, SMEs, or fast-growing companies that don’t yet have the resources for a full-time CFO, but need top-level financial advice to structure their finances, raise funds, or optimize their profitability.

An outsourced CFO can :

  • Manage cash and financial flows.
  • Create and analyze budgets.
  • Prepare financial reports and forecasts.
  • Optimize financial processes.
  • Helping to raise funds or manage investor relations.
  • Provide strategic advice for growth.
By identifying process inefficiencies, controlling costs, optimizing cash flow, and providing accurate forecasts, an outsourced CFO helps make informed decisions that improve profitability and sustainability.
An accountant focuses on bookkeeping, tax returns and monitoring financial transactions. An outsourced CFO, on the other hand, focuses on overall financial strategy, assisting with long-term planning, resource optimization and strategic decision-making.
The cost varies according to the company’s specific needs, and the duration and complexity of the engagement. An outsourced CFO is often more affordable than a full-time CFO, because he or she works part-time or on specific projects.
It all depends on the company’s needs. It can range from a few hours a month for one-off analyses to several days a week for more regular involvement. The role is flexible and adapts to your needs.
Yes, an outsourced CFO is often essential in the fund-raising process. He or she can prepare the necessary financial documents, negotiate with investors and advise you on the best strategies for raising funds while minimizing risk.
The transition process includes an audit and analysis of existing finances, the implementation of appropriate financial processes and the creation of a strategic plan for the company. The CFO works in collaboration with your internal teams.
Outsourced CFO firms adhere to strict confidentiality and data security protocols. Confidentiality agreements (NDAs) are also in place to ensure the protection of all sensitive information.
We would be delighted to talk with you
Contact us