International Business Consultants
Building on a tradition of providing creative international business consultancy for companies new and established, Constantis continues to offer tailored, professional assistance across a range of financial services.


About Constantis
Over the last 18 years Constantis has helped clients turn ideas into reality by providing assistance with company formation, employment and payroll, banking, complete accounts preparation, legal issues and wealth management.
The partners and the members of the team have been with Constantis for many years, helping to ensure strong, organic growth and exploration of new markets. We have helped many businesses establish themselves on the market and we have supported many companies to come and grow in UK.
Their testimonials are a recognition of our experience and dedication that we have applied in our work over the years.
Philosophy
Constantis does not apply a one-size-fits-all approach. Instead, the fundamental principles on which Constantis operates ensure that advice and business solutions are discreetly tailored to individual needs.
The client-centered approach so integral to Constantis means that any challenges are met with strength, resourcefulness and a clear understanding of a company’s ambitions.

Our Services
Constantis provides a comprehensive range ofinternational business services to assist clients in effectively managing their business interests. Offering creative, professional and discreet solutions for financial, legal and administrative challenges, Constantis has been helping the international business community for many years.
The cumulative expertise offered by Constantis can help clients incorporate a new business, carry out general company activities and ensure that a company operates in the most appropriate jurisdiction for their needs. With significant experience working in a variety of countries, Constantis enjoys excellent relationships with a wide network of carefully selected partners.
Mission Statement
Our mission at Constantis is to deliver comprehensive, professional services that address the unique needs of each client. We specialize in company formation, employment and payroll, banking, complete accounts preparation, legal issues, and wealth management. Our dedicated team works collaboratively to ensure strong, organic growth and exploration of new markets for our clients. We are committed to upholding the highest standards of integrity, transparency, and client satisfaction in all our endeavors.
Offices – London, UAE, Switzerland, Milan, Singapore
Management Team
Managing Partner / Director – Andreea Mocanu
Andreea has been a Manager Partner / Director in the business for over 15 years. She brings many years of experience in business leadership, company management, and team development. Serving on the boards of well-established companies, she has developed deep expertise in operations, finance, and compliance, helping clients navigate complex challenges and achieve their goals. With a strong understanding of client needs, she provides tailored support, optimising processes and ensuring sustainable growth. Her multilingual skills and international experience allow her to work seamlessly across global markets. Known for her collaborative approach, Andreea empowers teams and businesses with innovative solutions, ethical practices, and a results-driven mindset. Her commitment to excellence and strategic insight make her a trusted partner in driving success and long-term business growth.

Managing Partner/ Finance Director -Andreea Caltan
“Andreea is a highly skilled and results-driven Partner / Finance Director with extensive experience in financial strategy, management, and corporate governance. Known for her sharp financial acumen, she has successfully guided businesses through complex financial landscapes, ensuring long-term profitability and stability.
With a strong background in financial planning, risk management, and operational efficiency, Andreea brings a strategic approach to budgeting, forecasting, and investment decisions. She excels in optimizing financial processes, driving cost-effective solutions, and ensuring compliance with regulatory standards.
Her expertise in managing corporate finances and her ability to navigate economic challenges make her a trusted partner in guiding the financial success of the organization.

Operations Director – Diana Vasile
Diana is a highly accomplished and forward-thinking Operations Director with a strong track record of driving operational excellence across diverse industries. With deep expertise in business operations, process optimization, and organizational development, she ensures that all aspects of the company’s day-to-day functions run smoothly and efficiently.
Diana is known for her ability to streamline operations, implement effective strategies, and improve overall productivity. She excels in managing cross-functional teams for our clients, driving growth, and ensuring that business objectives are met while maintaining high standards of quality and performance.
Diana fosters a culture of innovation and collaboration, empowering clients to obtain operational goals and adapt to ever-changing market conditions. Her strong commitment to operational efficiency make her a key driver of organizational success and growth.

Please be aware that information provided by this website is subject to change without warning. We recommend that you do not take any information held within as a definitive guide to the law or the relevant matter being discussed. Our trained and friendly team are always happy to help with any queries so please don not hesitate to get in touch.