About us

Highly experienced database specialists
Dedicated to sustainability
  1. 1998
  2. 2003–2008
  3. 2013
  4. 2013–2015
  5. 2015
  6. 2017
  7. 2018
  8. 2019
  9. 2020

20 years+ of managing and improving the performance of customer databases

We launched as DatabaseOnline and we’ve been growing and improving ever since. Some of our first customers were healthcare providers and government agencies, who valued our flexible customer support. We also developed bespoke product and service packages to meet their specific needs.

Our mission

SQLTreeo's mission is to put the knowledge and experience we have into the tools we build and the services we deliver.

Our vision

SQLTreeo’s vision is to maintain its reputation as a top-10 database solutions provider. Our highly skilled developers and Database Administrators (DBAs) support our customers’ daily needs from offices in Europe, Asia, Africa, North America and Australia. We are continually finding innovative ways to help businesses grow and be more sustainable.

Our values

  • Innovative and open to new ways of working
  • Transparent, efficient and committed to customer service excellence
  • Collaborative partners committed to knowledge sharing and work / life balance.

Management team


CEO and founder


A skilled DBA and leader with a great passion for SQL.




Inspiring, always focused on improving the business strategy and customer experience.


Operational Management


Enthusiastic, supportive and an expert in overcoming operational challenges.




Diligent and efficient, with a keen eye for anticipating and preventing possible issues.




Has great enthusiasm in communicating the latest trends surrounding the brand of SQLTreeo and has an invasive effect on the team.

Our Partners


Multicloud specialist Denit and managed database expert SQLTreeo will collaborate more intensively. The organizations developed a new service that ensures error-free, reliable databases...


For many Dutch SMEs, EHV is the preferred partner in the field of software technology, development services and data consultancy. Together with SQLTreeo...


To respond even more and better to the specific needs of certain sectors, Telenet and SQLTreeo will collaborate more intensively. By expanding their professional services with SQLTreeo managed...

Helping you make the most
of your SQL database

Is your database slow and unreliable? Do you have a dedicated expert to call if something goes wrong? Maybe your business is so successful you need extra data management capability?

These are all areas where the SQLTreeo team can help.

Our highly experienced specialists have extensive database knowledge and expertise. We recruit the best and continually invest in their on-going training, skills and development.

Since 1998, we have worked with everyone from government departments and healthcare providers, to financial services and energy companies. They all value our:

  • Technical database knowledge
  • Hands-on problem solving
  • Fast, reliable, flexible customer service.