About Us

We create teams for the upcoming future

Allatra is an innovative human resources company that is founded in 2022 by Atanas Simeonov and Sia Hristova. We are not simply a recruitment company that offers a personal approach to your specific needs. Allatra brings people together merging professional experience, technical know-how, and complex personal evaluations. It is our lifelong mission to establish an entirely new era of meeting employment needs with developing technology. We aim to illuminate new ways of providing services so your specific needs are satisfied in a way that most companies could not even imagine. What distinguishes us is our approach, specific skillset, perpetual expertise, and mostly – the ability to observe and analyze people and companies in perspective. Our special assessment tools bring additional value to our core mission – unstoppable growth for both individuals and organizations. Allatra is constantly developing and striving to provide a better future for everyone.

Our Values

It is our life mission to usher in and develop a new era of fulfilling employment needs via innovative technology.

Our main goal is to glance at and illuminate novel ways of providing services that satisfy your specific needs creatively.

What distinguishes us is our approach, specific skillset, perpetual expertise, and mostly – the ability to observe and analyze people and companies in perspective.

Our unique assessment tools are an added value to our core mission of –  unstoppable growth for both individuals and organizations. 

"Allatra - powered by people"

Our clients’ successful teams speak about us
Our experience with Allatra continues to be excellent throughout the year and they've been key to fulfilling all of our recruitment needs. The team is highly experienced and efficient when scouting for new people and the assessment process that is custom developed by Allatra has allowed us to build a great team with qualities that complement each other. A highly recommended service provider!
Marko Simeonov
Allatra has created a new human resources era by providing innovative services and creatively tailored packages and plans, according to the needs of each company. It has been a pleasure to collaborate with Allatra, and it will be a fulfilling experience to continue this joint endeavor. I highly recommend their services both locally and regionally. The dedication and professional commitment of Allatra are notable.
Todor Todorov
Thank you kindly for your professional approach and close collaboration to help us resolve some key recruitment challenges as a part of our company’s expansion. Allatra’s team distinguished clearly in the way they addressed our requirements and came up with tailored solutions.
Velina Vladimirova
Manager Polygraph Examinations & Trainings
Allatra’s team supported us in a long recruiting process and found a specific profile for which we were actively looking for a long time. They were very professional and showed a lot of knowledge during the recruitment process and a detailed understanding of the current candidate market.
Lubomila Andonova
CFO at Ocean Investments
Allatra's team is made up of proven and highly motivated professionals who have a great approach, flair, and analytical ability to identify suitable candidates. My work with Sia and her colleagues has been well structured, with high quality, proactive, meeting deadlines, with a personal touch, and truly dedicated!
Asen Kehayov
CEO at LogSentinel
It was a pleasure to work with Allatra, who supported us in the personnel selection process. With their commitment to not missing any detail, the team at Allatra truly became our partners. We managed to shorten the time for talent search and focus on important business processes. As a result, we have an efficient and professional team. I recommend Allatra for their attitude and results.
Alexander Mitev
CEO at VIP Security
We have been working with Allatra for years. During this time we have built a super successful business relationship, which has impacted the growth of our company tremendously. Allatra and their team are true professionals and we could not have imagined a better partner to help us achieve our recruitment goals.
Hristo Georgiev
Co-CEO at Resolute Software
The Allatra team impresses with extraordinary professionalism and creativity, and their approach to recruitment and assessment process is holistic and innovative. It is great honor and pleasure to collaborate with them, and I believe we will continue our fruitful partnership in the future.
PhD Elena Altimirska
AllatRa's team embodies a rare breed of professionals characterized by their unwavering commitment to integrity and ethical practices.
I wholeheartedly endorse their services to individuals or businesses seeking a dependable and trustworthy HR company.
Diana George Dimitrova
Human Design Professional & BG5 Consultant

Our Team

Our team of strong professionals aim to provide high quality service at every step of the recruitment process.
Atanas Simeonov
Atanas Simeonov is a Bulgarian entrepreneur, investor, founder, and owner of Ocean Investments. He has many years of experience in creating and developing many companies, including S Group International, Resolute Software, AMATAS, S Management, VIP Security. Through a strategic business model and critical investments in fast-growing companies and technology start-ups, Atanas and his team aim to contribute to increasing the quality of life in Bulgaria and improving the entrepreneurial ecosystem in the country.
Ambassador of health care and a healthy lifestyle, Atanas Simeonov always believes in the potential of Bulgarians. His personal and business mission, along with contributing to economic growth and investments in Bulgarian companies, is the creation, attraction, and support of talents in various fields of activity.
He is the founder and member of the Board of Directors of Endeavor Bulgaria, as well as the chairman of the "Association of Family Business - Bulgaria"
We created Allatra because we believe people are at the heart of any business success. Building a good team is one of the challenges companies face, so selection is one of the most important processes at every stage of business development.
Co-Founder & CEO
Sia Hristova
Sia Hristova is the Co-founder and CEO of Allatra and a leading Talеnt Acquisition Advisor with more than 15 years of experience in executive recruitment, headhunting, and assessment. She consults business founders and leaders every day and implements the mechanisms of assessment as a tool to better guide candidates, employees, and teams. Sia helps businesses elevate their success and step to their fullest potential by using innovative and proven methodologies during the recruitment and selection process. She believes it can be a game-changer when the business leaders understand the qualities and capabilities of the incoming and existing talents while defining their role in the organization for optimal results. Because once you’ve found your elite crew, it’s easier to grow and flourish with success!
An idea can turn into real magic, depending on the talents that fulfill it. Getting to know human nature in depth is the key to the success.
Senior Talent Acquisition Specialist
Vasil Vasilev
Vasil considers himself to be a technical enthusiast. Not only is he a professional in the IT Recruitment area, but also he has a genuine interest for Software Development, System Administration, and Cybersecurity as well. Having finished his masters in HR Management, and after more than 9 years of experience in the business, he possesses a palette of qualities that make him fit just right in Allatra.
Senior Talent Acquisition Specialist
Sonya Mihaylova
Sonya has 6 years of experience in recruiting. She has rich expertise across diverse sectors, understanding not only the specifics of business but also the needs of candidates. She enjoys working with different people and manages to identify the most suitable talents for specific positions, while also creating genuine connections between companies and candidates. One of the most important things for her is for candidates to feel satisfied with their choice of workplace and team, and to have a desire for personal and professional development.

Our Portfolio

Since the beginning of our activity, we at Allatra, have made successful professional contacts with companies in the IT sphere and the entire investor sector. We work tirelessly to grow and deepen relationships with our clients and establish lasting and long-term partnerships with each of them.


Ocean investments is investment company focused on early-stage technology innovators in Europe, USA, Africa and the Middle East.
Resolute Software offers comprehensive software engineering and consulting services by focusing on agile, continuous, and predictable delivery of solutions that help others expand their digital footprint.
AMATAS was founded by cybersecurity visionaries driven by the aspiration of making our digital world cybersecure by helping organizations of all shapes and sizes to realize their full potential without the fear of cyber threats and attacks.
With over 24 years of experience throughout the country, VIP Security deliver the right security solution tailored to the needs of each customer with advanced technologies that ensure high-level integrated security.
S Management is the backbone of Ocean Investment. With high profile experts in finance, legal, accounting and M&A, and through business development and talent acquisition, S Management serves the needs of all the companies within Ocean Investments.
LogSentinel is a company that has realized the need of information security and believes in privacy as a human right. The company's mission is to help organizations boost their IT security processes by leveraging the latest technologies, including blockchain and AI, and industry best practices.