About us

Our story

Trusted advisory firm with 20+ years of global experience

Simms & Associates (S&A) is an advisory, consulting and systems implementation firm with proven expertise in delivering enterprise software and system integration projects internationally. Our professional services span the full project cycle, from requirements identification to implementation, change management, user support, evaluation, and continuous improvement. With over 20 years of global experience, including projects in Canada, the U.S., Mexico, India, Europe, Australia, and New Zealand, our boutique size coupled with enterprise capabilities allows us to focus on each customer’s individual needs, providing dedicated support and guidance.

We’re headquartered in Valencia, Spain. Globally, we have over 60 employees working fully remotely and associated with offices in vibrant cities all over the world.
We pride ourselves on having a truly international team, and together speak an impressive 20+ languages.
Our team believes in women in tech and leadership. Over 45% in our company is female.

Some of our clients

Who are we

An international team with 60+ WFM and HCM experts

Our journey began in 2015, when Amanda Simms founded this visionary venture.

Meanwhile, we are a dynamic group of over 60 dedicated Workforce Management and Human Capital Management experts, passionate about optimizing workforce efficiency and driving organizational success. Our diverse team is comprised of individuals who collectively speak over 20 languages, enabling us to effectively communicate and cater to the needs of our global customers in retail, hospitality, healthcare, and manufacturing.

Our mission is to have a positive impact on employee well-being in everything we do. We believe that the success of every organization is directly linked to the well-being and satisfaction of our employees. Therefore, we are committed to fostering a workplace where employee well-being is our top priority.

Our commitment goes beyond mere words – it is ingrained in our company culture. We strive to create an atmosphere that promotes physical, mental, and emotional health, supporting employees in achieving a healthy work-life balance both inside and outside the workplace.

Amanda Simms

Founder & CEO

George Denninghoff

EVP of Americas

Michiel Lely


Dimphy van Heusden

VP of Global Marketing

Martin Carvallo

VP of Global Sales

Join our team

We are on the lookout for dedicated and experienced individuals to be a part of our team as we continue our expansion

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