At Promise, high maintenance clients are our specialty. They give us a chance to do what we do best – deliver outstanding service.
Communication is key in the cleaning industry. We correspond immediately with the management team for prompt attention.
We are built on the foundation of trust and are committed to our mission, vision, clients, team, and community.
At Promise, our system is designed to listen to every tenant’s needs.
We are proactive in anticipating every potential outcome. We prepare, not just respond.
We don’t own your building, but that doesn’t stop us from fully familiarizing ourselves with it.
We use the right chemicals for each job and are constantly upgrading our equipment to be more efficient.
We want your property to be something you’re proud of. We want your neighborhood to attract and maintain great tenants.
What Our Clients Say About Us
“Promise is both responsive and dependable in getting the job done right. They are proactive in communication and providing real time updates. Promise works closely with me and the rest of my staff as well as directly without tenants to ensure that we are meeting their individual concerns. Promise makes it very clear they have a strong commitment to customer service and satisfaction.”
Greg C. Barbour,
Senior Property Manager of Younger Partners
“We have used their janitorial services for well over 10 years now and are very pleased with the level of service they provide. They are responsive, respectful and very competitive in pricing. Their managers and support teams are professional and adjust easily to change, which often occurs in our industry.”
Director of Property management of Lincoln Property Company
“Promise has been a vendor on my properties for over 14 years. The company always delivers, executes, and exceeds in delivery of service. From transitioning a new property, to changes in tenancy, challenging tenants, change in ownership p to change in management personnel, the Promise team will always rise above the challenge and excel.”
Principal and Director of TIG Property Management
“We have used their service for well over 14 years now and are very pleased with the level of service they provide. They are responsive, respectful and very competitive in pricing. Their managers and support teams are professional and adjust easily to change.”
Senior Property Manager of Lincoln Property Company
“We have a very good relationship with the Promise Building Services team and we are proud to say they have been our janitorial service provider for over 7 years at this location. I have been a customer of Promise Building Services for the past 11 years which spans 3 employers and portfolio. I’m happy to recommend them.”
General Manager of HPI
“Promise Total Services has been instrumental in working with my company goals of maintaining and exceeding cleaning standards: class A office/retail complex. Every request that has been made has been completed to the satisfaction of the tenants and management. During the DOVID-19 event, Promise has been able to provide all services and supplies necessary per the CDC guidelines.”
RPA of Legacy West
“I have worked with Helen and this company for 15 years… The company consistently delivers, executes, and exceeds in delivery of service. From transitioning a new property, to changes in tenancy, challenging tenants, change in ownership to change in management personnel the Promise team will always rise above the challenge and excel… They absolutely live up to their company name, Promise.”
Vice President of KDC
“Promise TSI has continually proven their ability to meet and exceed our expectations. Their staff members have always been dependable, consistent, professional as well as personable. They absolutely live up to their company name, PROMISE… a top-flight cleaning company that provides excellent customer service at a highly competitive price point.”
Senior Property Manager of Colliers International
“Your team of day porters, nightly janitorial staff and supervisors are such a pleasure to work with in an otherwise difficult industry. I am always confident that Promise Total Services will provide superior service to my tenants and to my buildings.”
Regional Manager of Cedar Ridge
“Promise is responsive and dependable in getting the job done right and providing real time updates and are always available to assist with a remedy. Promise is extremely courteous and have build great rapports with the building’s tenants. This attribute is imperative in maintaining tenant retention.”
Assistant General Manager of Jones Lang LaSalle
“They provide excellent service and any issues that may arise are resolved quickly and completely. All of Helen’s associates conduct themselves in a professional manner and they know their business well.”
Senior Facilities Manager of CBRE
“I first began working with Promise Total Services when I took over the portfolio in September 2018… The quality of service was great, the response and response time from the managing director was the most impressive… always quick to respond and to be on the property… I am happy to recommend Promise Total Services for your janitorial service needs.”
Olivia De Montoya,
Property Manager of Stream
“They are a great company and I have had great success with their services. The owner, Helen Yoo, is a person of high morals and ethics and prides herself on providing excellent service. Helen has a staff that she has personally hand-picked and trained that can provide the customer services needed in the cleaning industry.”
General Manager of CBRE
“It is my privilege to recommend Promise Total Services, Inc. to any property management company seeking a highly skilled and value driven janitorial company. We have experienced excellent service and satisfaction with the cleaning capabilities from their organization.”
Property Manager of Bridge Property Management
“Promise’s focus and attention to detail cleaning in our facility has consistently resulted in many instances of resolving cleaning problems before they are even brought to my attention as the administrator of this cleaning contract. Remarkably - there are not, nor have there been - any cleaning related complaints since Promise began providing cleaning service to our facility - which is the very rare exception in my experience as the company representative for cleaning services at ASC since 1992.”
Facilities Operations, Aramco Services
“The quality of the cleaning in our building is good. The communication methods of reporting and addressing any issues that arise are simple and effective. I especially want to mention the attention you team has provided in our efforts to renew our tenant. They have increased communication and inspection efforts to satisfy this tenant's increased interest during the lease renewal process.”
Property Manager of Harwood International
“Helen and her team consistently have provided the kind of service, pricing and attention to detail that our Class "A" tenants deserve. Our tenants range from large Fortune 500 multi-nationals to smaller professional services firms and each tenant has its own specifications for cleaning and Promise work with our property managers and directly with our tenants to ensure that we are meeting their individual concerns.”
Chairman and CEO of Younan Properties
“We have received numerous compliments from our tenants about the cleanliness of the building and the fact that any additional requests have been handled quickly. Also, we have had nothing but positive feedback on the workers who clean the building as well.”
Property Manager of Double H Realty Services, LLC
“The custodians come every day and do a wonderful job. From time to time, I have asked for additional things to be done and they were able to accommodate us with that as well as being flexible on their time to clean that evening. They were extremely helpful and went above and beyond.”
Office Manager of Galucoma Associates of Texas
“I have been working with Promise Total Services and I have been highly satisfied with their pristine cleaning services and excellent customer service. Promise TSI always performed beyond expectations… The company always delivers, executes, and exceeds in delivery of service from training their employees to tenant visits.”
Jeff J. Procell,
Senior Property Manager of Pacifica S. D. Management
“Promise is both responsive and dependable in getting the job done right. They are very proactive in communication and provide real time updates. Promise works with our property managers and directly with our tenants to ensure that we are meeting their individual concerns. They truly go above an beyond.”
Operations Manager of Jetall Companies
“Promise Total Services has widened the types of business offerings that they can provide to their clients over the past few years. Whether contracting for janitorial services or exterior building improvements, a customer of Promise Total Services will be the recipient of above standard job performance and become a partner with Helen and her company in a successfl business venture.”
General Manager of Pillar Commercial
“We continue to be pleased with the quality of service and the supervision of the cleaning crew and the courtesy of the crew members. Responsiveness to any needs whether inside or outside of the normal scope is always outstanding. The security of the asset and respect for tenant space is not compromised. Over many years of management, I have been associated with more janitorial companies than I can count. I consider Promise to be in the top tier and recommend their services.”
General Manager of Sunwest Real Estate Group
“The high standards of our company cleaning schedule and description of cleaning have been more than met. The ability to accommodate our schedule from time to time has been especially appreciated. The custodians come every day and they do an outstanding job. they have been flexible and their employees take pride in the jobs they do and it shows by outstanding results by their thoroughness and professionalism.”
Special Agent in Charge of Transportation Security Administration
“The excellent customer service and competitive pricing has always been appreciated. Promise is extremely dependable, professional, timely and very thorough with any request. They always follow-up after the job is complete to make sure all items have been completed to our satisfaction.”
Administrative Manager of Nicholson Clinic
… and much more!
… and much more!
Copyright 2023 © All Rights Reserved | Promise Total Services, Inc.
Helen Yoo serves as the founder and CEO of Promise Total Services, Inc. She has a history of long lasting business partnerships and attributes her success to her years of experience in the janitorial service industry, her core values of being Proactive, Responsive, Observant, Meticulous, Innovative, Sensible, and Ethical, and her devotion to follow through with her commitments. As the name suggests, the company’s focus on reliability and customer satisfaction is the backbone of Promise TSI, resulting in solid communication, quick turn-arounds, and exceptional quality.
Since its founding in 2003, Promise TSI has grown from its humble beginnings to hundreds of properties and loyal employees in Dallas, Fort Worth, and Houston Texas. Because of Helen’s heavy involvement in all facets of the company, Promise TSI has the unique quality of functioning at the caliber of a global company while having the distinct personal touch of a family business.
Helen was born and raised in Seoul, South Korea with three siblings in a home full of music. She went on to major in piano, earning a Bachelor of Music at Yonsei University, then came to America to continue her studies at the master’s level with a harnessed focus on musicology. Helen is a proud mother of two and always aims to live an exemplary life of faith and gratitude.
M.M. Coursework in Musicology, Stephen F. Austin State University
B.M. in Piano, Yonsei University