SOLID EFFICIENCY

The High-End Interim Executive

What do CEOs need most?

They need someone who takes ownership, turns complex challenges into new opportunities, accelerates growth, and delivers measurable results.

Why an Interim Professional can be more effective than a permanent employee

Focused

Perspective
Delivers a fresh, unbiased perspective — free from internal assumptions and legacy thinking.


Enhanced Focus

Maintains a sharp, results-driven focus on sales performance and growth.

 

 

Solid

Experience Across Industries
Brings cross-industry experience, translating diverse insights into practical commercial impact.


Our Approach

Fast, expert, reliable, and easy to work with.
We keep things simple — no unnecessary complexity, just results.

Efficiency

No long-term commitment
Maximum flexibility without long-term commitments.


Cost-effective

Generates room for constructive solutions and
provides senior sales expertise. Without the overhead of permanent hires.



HOW

Do you want to improve your sales results and achieve your sales goals—with a clear focus on cost savings, turnover velocity, and flexibility? And the expertise to make a difference in a constantly changing market?

Optimize your costs and make your sales and account management more efficient? Then Solid Efficiency’s external interim solutions offer you immediate added value. Our interim services can also be purchased in parts or separately.

We help you quickly identify, approach, and secure high-quality leads, and build sustainable customer relationships that generate lasting revenue.

Feel free to contact us for a no-obligation consultation.

We work hybrid, throughout the Netherlands and internationally.

WHAT

Solid Efficiency – ensure your organization keeps running smoothly. Founded based on a clear market need: organizations seek a strong foundation and efficient solutions to achieve sustainable growth.

We support companies with “the most difficult part” of their business operations with three targeted services:


Interim Sales
the engine of growth

We handle prospecting, make initial contacts, negotiate, and close deals. We help companies with their sales process from A to Z.

Account Management – ​​the power of customer retention

We strengthen existing relationships, ensure satisfied, loyal customers, and generate new revenue from this.


Constructive business solution
back on track quickly

We restore disrupted collaborations and resolve bottlenecks constructively, so that you can move forward again. 

Your Interim High-End Sales Executive in the Netherlands, continental and intercontinental.

About

Carolina Jara van Mansom

High-End sales
High-End sales is not just something I do.It is where part of my energy, experience,
and expertise come together.


Troubleshooting

Additionally, I am often called upon to generate constructive solutions for complex challenges (problems).
This involves both business issues and complex, sometimes precarious, private matters.
Strict confidentiality is of crucial importance in this regard. Consequently, I cannot provide you with references.


Core competencies

High-End Sales and Troubleshooting are, however, my ultimate core competencies.
This is where my unique and distinctive skills and substantive knowledge flourish, definitively setting me apart from competitors.
And this is ‘my strength,’ which forms the basis for peace of mind and room for success and growth.

My name is Carolina Jara van Mansom,
entrepreneur, commercial professional, specialist in high-end sales and Troubleshooter.