High-level leadership demands exceptional support. At Harriman Executive Support, we provide elite executive assistance to C-suite and board-level leaders, ensuring seamless efficiency, discretion, and strategic execution.
Whether managing complex schedules, optimising workflows, or facilitating critical business operations, we elevate your productivity—allowing you to focus on what truly matters.
Based in Mayfair, London.
Serving Clients Globally 24 hours a day, 7 days a week*
At Harriman Executive Support, we specialise in high-caliber executive assistance tailored to the unique needs of top-tier professionals. With extensive experience supporting C-suite executives in global firms, we bring unparalleled expertise, discretion, and efficiency to every engagement.
Our approach is bespoke designed to anticipate your needs, enhance your effectiveness, and ensure your focus remains on strategic leadership.
Discretion. Excellence. Seamless execution.
Complex scheduling, international travel management, and workflow optimization.
Governance coordination, investor relations, and strategic document preparation.
Project management, corporate event coordination, and operational streamlining.
Personal and business support, ensuring complete efficiency.
Our services are designed to integrate seamlessly into your business and personal life, providing the highest level of efficiency, discretion, and value.
At Harriman we know how to go that extra mile. Our experience in providing tailored, considered and efficient executive support over the last two decades has proven to us one thing – that meaningful relationships produce high-impact outcomes.
Our retainer packages are designed for a deep, integrated approach to executive support, ensuring sustained value and measurable results. This is why we solely partner on a retainer basis.
A minimum commitment of 3 months is recommended to fully integrate our services and deliver tangible outcomes.
For those seeking a deeper, more strategic partnership, this 6 month retainer includes the following key enhancements:
Receive an extra complimentary hour of support each month, adding immediate value beyond your base tier hours, giving you a saving of £300
Access our additional hours at a further 10% discount on the standard bundled rates.
Participate in quarterly sessions to evaluate progress, refine strategies, and ensure that our support remains aligned with your strategic needs.
For a tailored proposal and to discuss which retainer structure best aligns with your needs, schedule a free consultation at a time that suits you.
With a First-Class Honours degree and over a decade of experience supporting top-tier executives in leading firms including Bain & Company, Bank of Ireland, and boutique asset management firms—Daniel is the trusted partner for elite executive assistance.
Having worked alongside C-suite leaders in global organizations, Daniel brings a unique blend of precision, strategic insight, and unwavering discretion to every engagement. His expertise in managing complex workflows, optimizing executive productivity, and delivering high-level operational support ensures that leaders can focus on driving business success.
At Harriman Executive Support, Daniel leads a dedicated high-calibre team providing bespoke, high-impact assistance to those at the pinnacle of leadership.
Danielle is a business operations consultant with a track record of optimizing workflow efficiency for client facing teams in elite Universities within the United Kingdom. With expertise in executive workflow automation and operational excellence, Danielle ensures that every aspect of Harriman Executive Support runs with purposeful precision.
Her expertise includes confidential board coordination, high-level calendar management, and global event execution. She is adept at ensuring seamless daily operations for high-performing leaders who require absolute efficiency and reliability.
Address
Harriman Executive Support Ltd
4th Floor, Silverstream House
45 Fitzroy Street
Mayfair
London W1T 6EB
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