At Tam Tam Consulting, we are an independent ICT consultancy dedicated to helping organisations make confident, future-ready technology decisions.
We combine strategic insight, technical design, sourcing expertise, and delivery assurance to ensure every ICT initiative creates measurable business value, from strategy to execution.
Our consultants bring deep market knowledge and hands-on experience across complex enterprise environments.
We do not sell products or represent vendors; our advice is entirely independent, ensuring solutions that are right for your organisation, your strategy, and your people.

We structure our services around six key domains that together cover the full ICT lifecycle, from vision and design to transformation and operational success:

•  ICT Strategy & Governance
•  Infrastructure, Cloud & Network Architecture
•  Security & Compliance
•  Digital Workplace & End-User Services
•  Transformation & Delivery Enablement
•  Vendor & Contract Lifecycle Management as a Service

Whether you need strategic direction, technical design, sourcing support, or delivery assurance, Tam Tam Consulting acts as your trusted partner through every stage of the ICT journey. We ensure your technology investments are transparent, value-driven, and built for the future.

• Independence – Truly vendor-neutral advice.
• No-nonsense approach – Practical, transparent, and result-oriented consulting.
• Customer centricity – Your goals define our priorities.
• High expertise – Extensive knowledge across infrastructure, cloud, security, and communications.
• Lifecycle partnership – From strategy to implementation and continuous contract management.
• Integrity & transparency – Acting with honesty, ethics, and clarity in every engagement

Sonja Bevers – Chief Executive Officer
Sonja is the driving force behind Tam Tam Consulting, leading strategic transformation at the intersection of business and technology. With deep expertise across IT strategy, infrastructure, sourcing, contract lifecycle management, and digital workplace, she helps organisations turn complex challenges into measurable value.

Combining a pragmatic approach with a strong focus on innovation, Sonja partners with clients to optimise operations, strengthen governance, and future-proof their technology landscape. The result: smarter decisions, controlled costs, and sustainable growth.

Since becoming a shareholder in 2011 and later the owner of Tam Tam Consulting, she has led the company into a new era of international growth, driven by innovation and a commitment to delivering high-impact, value-driven solutions.

Consultants
Our consulting team brings together extensive experience across telecom and ICT domains, helping organisations turn complexity into clarity.

With expertise spanning strategy, architecture, security, cloud, networks, workplace, sourcing, and contract management, our consultants provide end-to-end support across the full ICT lifecycle.

They have a long track record of successfully leading and contributing to major international projects, including ICT transformations, infrastructure design, RFP and vendor selection processes, contract negotiations, cost optimisation, and change management.

What sets us apart is our ability to combine strategic thinking with hands-on execution, delivering practical and innovative solutions that create real business impact.

Back-Office
Our back-office team is the operational backbone of our organisation. They ensure that every project runs smoothly by providing structured support in analysis, administration, reporting, and coordination.

Working closely with both consultants and customers, they translate data into clear insights, maintain accurate documentation, and support the full project lifecycle from preparation to completion.

Beyond administration, they play a key role in quality control, process optimisation, and internal coordination. Their work ensures consistency, efficiency, and reliability across all our activities.

By managing the operational details behind the scenes, our back-office team enables our consultants to stay focused on delivering high-value outcomes for our customers.