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PartnerHero is now part of Crescendo.

Crescendo and PartnerHero partnered to combine AI-native infrastructure with expert support teams to bring customers continuous optimization and skilled agents in one operation.
Talk to someone today
Why we joined
Partnerhero runs world-class support teams. Crescendo optimizes them continuously. Combined, they eliminate the quality and improvement gap that exists in every traditional outsourcing deal.
What it means for customers
You get expert support agents backed by AI that actually improves over time — not static processes that degrade. Lower cost per ticket, faster resolution, shorter ramp. And you own the relationship and the data.

Full service support outsourcing, with integrated Al, across every channel

comments
Live chat support
Human agents and AI Assistant work together to handle live chat on your website. Trained on your content, your tone, your escalation paths.
envelope
Email and ticket support
Integrated with your stack, AI can draft email responses for human agent review.
phone
Phone and voice support
Inbound call handling with agents who know your product. AI voice for high-volume simple queries. Human for sensitive or high complexity calls.
globe
Multilingual support
Native-language agents across 50+ languages. No machine translation.
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Burst coverage
Seasonal spikes, product launches, incidents. We scale up in days — not months it takes to hire directly.
medal
Quality assurance
Every agent interaction scored. Weekly QA reports. We manage performance — you don't have to.

Individually, they're best in class. Together, they're game-changing.


A checkmark in a circle
World's smartest, auto-tuning AI for CX with over 99.8% accuracy.
A checkmark in a circle
All channels covered with AI agents, including: Chat, Messaging, Voice, Email.

A checkmark in a circle
Seamless 24x7 handoff to the industry's best Superhuman agents.
A checkmark in a circle
QA and business insights on 100% of interactions.

Same skilled agents. Better unit economics.

Crescendo offers a managed support operation — not a staffing arrangement. Hiring, training, QA, scheduling, tooling, and continuous improvement are all included.
And because our agents are AI-assisted — not replaced — they handle more tickets, resolve faster, and make fewer errors than traditional outsourced teams.

99.8%

Resolution accuracy

30d

Time to live

25%

Higher CSAT than industry average

150+

Customers worldwide

ENTERPRISE LEADERS

Trusted by Fortune 500 & Global Giants

The world's largest companies rely on Crescendo to transform their customer experience

Soho House

Soho House is a global membership platform built for creative professionals, combining private members’ clubs, hotels, restaurants, and workspaces in major cities around the world.

globe
40+ houses worldwide
money-bill
$1B + Annual revenue

Dr. Martens

The iconic British brand with more than 60 years of heritage craftsmanship known for their durability, and rebellious spirit, serving consumers through direct-to-consumer channels and wholesale partnerships worldwide.

money-bill
786M + Annual revenue
boot
Iconic Product line
globe
Operates in 60+ countries

Bunzl

Bunzl is a global distribution and services partner operating in more than 30 countries. The company supplies the essential non-food products businesses rely on every day, from packaging and hygiene solutions to safety equipment and cleaning supplies.

money-bill
$11.7B+ Annual revenue
award
FTSE 100
globe
Distributor for 15,000+ global suppliers

NerdWallet

NerdWallet is a personal finance platform that helps consumers make smarter financial decisions. Through trusted reviews, comparison tools, and educational content, the company connects users with credit cards, loans, banking products, insurance, and investing solutions tailored to their needs.

users
20M+ monthly users
chart-line-up
NASDAQ Listed
money-bill
$795M Annual revenue

TaskRabbit

Taskrabbit is a digital marketplace that connects consumers with skilled local Taskers for everyday services. Through its app and platform, customers can book help with home repairs, furniture assembly, moving, cleaning, and other household tasks, making it easier to get things done quickly and reliably.

wrench
Over 1.6 Million tasks
house
Part of $47B IKEA
globe
Global operations

KinderCare

KinderCare is one of the largest providers of early childhood education in the United States, operating community-based learning centers and before- and after-school programs. The company delivers curriculum-driven education and care designed to support children’s development from infancy through elementary school.

money-bill
$2.4B Annual revenue
chart-line-up
NYSE Listed

Sweetgreen

Sweetgreen is a fast-casual restaurant chain focused on fresh, healthy food with a tech-forward customer experience. The company operates hundreds of salad and grain bowl restaurants across the U.S., combining local ingredients, seasonal menus, and digital ordering to make nutritious eating more accessible.

location-pin
250+ locations
money-bill
$680M Annual revenue
chart-line-up
NYSE Listed

DAMAC

DAMAC Properties is a Dubai-based luxury real estate developer known for large-scale residential, commercial, and hospitality projects across the Middle East and internationally. The company creates high-end communities, branded residences, and iconic towers, blending premium design with market-driven growth.

futbol
Premiere soccer league sponsor
globe
Employs thousands globally
money-bill
$3.6B Annual revenue
Aalto mobile app UI with two home listings and a title at the top saying 12 new matches
Aalto mobile app screen showing Seller Q&A with collapsable questions and answers
Mobile screen showing a kitchen with a virtual tour badge
Aalto mobile app UI of home front door, confetti and the word Congratulations at the top and the home name below with the label of sold

Individually, they're best in class. Together, they're game-changing.


A checkmark in a circle
World's smartest, auto-tuning AI for CX with over 99.8% accuracy.
A checkmark in a circle
All channels covered with AI agents, including: Chat, Messaging, Voice, Email.

A checkmark in a circle
Seamless 24x7 handoff to the industry's best Superhuman agents.
A checkmark in a circle
QA and business insights on 100% of interactions.

What our customers say

"I can honestly say we're all, really happy with the service and the responsiveness and the just the, you guys have kind of held our hand through this whole thing because we didn't really know, we didn't know what direction we were going in and you guys were like let's build it this way."
Chief Customer Officer
Cntrl+
“They spun it up really quickly so we could start testing. We iterated for maybe two weeks, and then we went live. The Crescendo team continues to manage it and track it, so I don’t need to check it daily. I know the team is taking care of that, which is a huge win.”
Director of Product
IDEO U
34% CSAT increase
“The platform is performing really, really well. It has completely transformed our support operations, helping us clear a massive backlog and maintain top-tier service. The blend of Agents and AI powered automation makes everyday feel like the slow season for our internal support team.”
Customer Success Team Lead
MeisterTask
99.2% Quality score
"Crescendo had just the technology we needed. They were incredibly responsive and collaborative. They didn't just provide a service, they became an extension of our team."
COO
Rio
90% presales resolution by AI
“We went from 20% accuracy to the high 90s within weeks. We were in a time crunch and Crescendo moved fast…and the improvement was exponential.”
Head of Customer Support
Rachio
95% - 99% AI Accuracy
"We can count on Crescendo. Round-the-clock AI, round-the-clock people, and a partner who keeps improving with us. We are the most reliable EV charging network in the United States and the most advanced in using AI to deliver support, and Crescendo is making that possible.”
AI Lead
EVPassport
70% Inquiries handled by AI
"I sent an email regarding postage and it was answered immediately! Honestly, I've never had such a quick response and resolution to my question. Excellent customer relations! I love the cards too and they arrived very quickly. "
(Customer)
Lovepop
94% overall CSAT
“Crescendo fused with us to build speed, accuracy, and trust. With them, we’ve got major reliability at scale—and the foundation to take on the entire market.”
CRO
Pied Parker
99.98% CSAT excluding process issues
“Our average time to an agent is 54 seconds. Before, customers waited up to two days. Now they’re connected almost instantly, followed by quick questions to understand their issue and get it resolved in minutes.”
Director of Customer Experience
Cuyana
85%+ CSAT Average
“The support quality we get from Crescendo is phenomenal. It matches the quality we aim for with our products—from the ease of their custom approach and tracking templates to the intuitiveness of their dashboards. Everything works together seamlessly, which saves our team time and helps us deliver the same level of care our customers expect from Cuyana.”
Director of Customer Experience
Cuyana
85%+ CSAT Average
“Having Crescendo has given us the freedom to step back, take a breath, and trust that every customer is getting the same level of care.”
Director of Partnerships & Customer Success
Kiki Milk
50% + email inquiries handled by AI
“We needed a support solution that could keep up with our growth while still sounding like us. Crescendo made that possible.”
Director of Partnerships & Customer Success
Kiki Milk
50% + email inquiries handled by AI
“Generally, customer service organizations move at a snail’s pace. Crescendo has gone at a very rapid pace, learned quickly, and applied the right kind of support.”
‍VP of Operations
SimpleSUB Water
Reduced ticket volume by 65%
"We love your company, and we love everyone we've interacted with. You can tell the difference between people doing their job and people who really care. Crescendo cares as much as we do."
VP of Operations
Sim‍pleSUB Water
Reduced ticket volume by 65%
"We love your company, and we love everyone we've interacted with. You can tell the difference between people doing their job and people who really care. Crescendo cares as much as we do."
VP of Operations
Sim‍pleSUB Water
Reduced ticket volume by 65%
"We can count on Crescendo. Round-the-clock AI, round-the-clock people, and a partner who keeps improving with us. We are the most reliable EV charging network in the United States and the most advanced in using AI to deliver support, and Crescendo is making that possible.”
Cass Sapir
AI Lead
EVPassport
70% Inquiries handled by AI
"I can honestly say we're all, really happy with the service and the responsiveness and the just the, you guys have kind of held our hand through this whole thing because we didn't really know, we didn't know what direction we were going in and you guys were like let's build it this way."
Chief Customer Officer
Cntrl+
"I sent an email regarding postage and it was answered immediately! Honestly, I've never had such a quick response and resolution to my question. Excellent customer relations! I love the cards too and they arrived very quickly. "
Linda
(Customer)
Lovepop
94% overall CSAT
"Crescendo had just the technology we needed. They were incredibly responsive and collaborative. They didn't just provide a service, they became an extension of our team."
Zack Austin
COO
Rio
90% presales resolution by AI
“Having Crescendo has given us the freedom to step back, take a breath, and trust that every customer is getting the same level of care.”
Director of Partnerships & Customer Success
Kiki Milk
50% + email inquiries handled by AI
“The platform is performing really, really well. It has completely transformed our support operations, helping us clear a massive backlog and maintain top-tier service. The blend of Agents and AI powered automation makes everyday feel like the slow season for our internal support team.”
Thomas Mayerhofer
Customer Success Team Lead
MeisterTask
99.2% Quality score
“We went from 20% accuracy to the high 90s within weeks. We were in a time crunch and Crescendo moved fast…and the improvement was exponential.”
Anthony Tedesco
Head of Customer Support
Rachio
95% - 99% AI Accuracy
“Generally, customer service organizations move at a snail’s pace. Crescendo has gone at a very rapid pace, learned quickly, and applied the right kind of support.”
‍VP of Operations
SimpleSUB Water
Reduced ticket volume by 65%
“Crescendo fused with us to build speed, accuracy, and trust. With them, we’ve got major reliability at scale—and the foundation to take on the entire market.”
Mason Hunt
CRO
Pied Parker
99.98% CSAT excluding process issues
“They spun it up really quickly so we could start testing. We iterated for maybe two weeks, and then we went live. The Crescendo team continues to manage it and track it, so I don’t need to check it daily. I know the team is taking care of that, which is a huge win.”
Jen Sims
Director of Product
IDEO U
34% CSAT increase
“The support quality we get from Crescendo is phenomenal. It matches the quality we aim for with our products—from the ease of their custom approach and tracking templates to the intuitiveness of their dashboards. Everything works together seamlessly, which saves our team time and helps us deliver the same level of care our customers expect from Cuyana.”
Tyler Gardner
Director of Customer Experience
Cuyana
85%+ CSAT Average
“Our average time to an agent is 54 seconds. Before, customers waited up to two days. Now they’re connected almost instantly, followed by quick questions to understand their issue and get it resolved in minutes.”
Tyler Gardner
Director of Customer Experience
Cuyana
85%+ CSAT Average
“We needed a support solution that could keep up with our growth while still sounding like us. Crescendo made that possible.”
Director of Partnerships & Customer Success
Kiki Milk
50% + email inquiries handled by AI
"I can honestly say we're all, really happy with the service and the responsiveness and the just the, you guys have kind of held our hand through this whole thing because we didn't really know, we didn't know what direction we were going in and you guys were like let's build it this way."
Chief Customer Officer
Cntrl+
“They spun it up really quickly so we could start testing. We iterated for maybe two weeks, and then we went live. The Crescendo team continues to manage it and track it, so I don’t need to check it daily. I know the team is taking care of that, which is a huge win.”
Jen Sims
Director of Product
IDEO U
34% CSAT increase
“The platform is performing really, really well. It has completely transformed our support operations, helping us clear a massive backlog and maintain top-tier service. The blend of Agents and AI powered automation makes everyday feel like the slow season for our internal support team.”
Thomas Mayerhofer
Customer Success Team Lead
MeisterTask
99.2% Quality score
"Crescendo had just the technology we needed. They were incredibly responsive and collaborative. They didn't just provide a service, they became an extension of our team."
Zack Austin
COO
Rio
90% presales resolution by AI
“We went from 20% accuracy to the high 90s within weeks. We were in a time crunch and Crescendo moved fast…and the improvement was exponential.”
Anthony Tedesco
Head of Customer Support
Rachio
95% - 99% AI Accuracy
"We can count on Crescendo. Round-the-clock AI, round-the-clock people, and a partner who keeps improving with us. We are the most reliable EV charging network in the United States and the most advanced in using AI to deliver support, and Crescendo is making that possible.”
Cass Sapir
AI Lead
EVPassport
70% Inquiries handled by AI
"I sent an email regarding postage and it was answered immediately! Honestly, I've never had such a quick response and resolution to my question. Excellent customer relations! I love the cards too and they arrived very quickly. "
Linda
(Customer)
Lovepop
94% overall CSAT
“Crescendo fused with us to build speed, accuracy, and trust. With them, we’ve got major reliability at scale—and the foundation to take on the entire market.”
Mason Hunt
CRO
Pied Parker
99.98% CSAT excluding process issues
“Our average time to an agent is 54 seconds. Before, customers waited up to two days. Now they’re connected almost instantly, followed by quick questions to understand their issue and get it resolved in minutes.”
Tyler Gardner
Director of Customer Experience
Cuyana
85%+ CSAT Average
“The support quality we get from Crescendo is phenomenal. It matches the quality we aim for with our products—from the ease of their custom approach and tracking templates to the intuitiveness of their dashboards. Everything works together seamlessly, which saves our team time and helps us deliver the same level of care our customers expect from Cuyana.”
Tyler Gardner
Director of Customer Experience
Cuyana
85%+ CSAT Average
“Having Crescendo has given us the freedom to step back, take a breath, and trust that every customer is getting the same level of care.”
Director of Partnerships & Customer Success
Kiki Milk
50% + email inquiries handled by AI
“We needed a support solution that could keep up with our growth while still sounding like us. Crescendo made that possible.”
Director of Partnerships & Customer Success
Kiki Milk
50% + email inquiries handled by AI
“Generally, customer service organizations move at a snail’s pace. Crescendo has gone at a very rapid pace, learned quickly, and applied the right kind of support.”
‍VP of Operations
SimpleSUB Water
Reduced ticket volume by 65%
"We love your company, and we love everyone we've interacted with. You can tell the difference between people doing their job and people who really care. Crescendo cares as much as we do."
VP of Operations
Sim‍pleSUB Water
Reduced ticket volume by 65%
"I can honestly say we're all, really happy with the service and the responsiveness and the just the, you guys have kind of held our hand through this whole thing because we didn't really know, we didn't know what direction we were going in and you guys were like let's build it this way."
Chief Customer Officer
Cntrl+
“They spun it up really quickly so we could start testing. We iterated for maybe two weeks, and then we went live. The Crescendo team continues to manage it and track it, so I don’t need to check it daily. I know the team is taking care of that, which is a huge win.”
Director of Product
IDEO U
34% CSAT increase
“The platform is performing really, really well. It has completely transformed our support operations, helping us clear a massive backlog and maintain top-tier service. The blend of Agents and AI powered automation makes everyday feel like the slow season for our internal support team.”
Customer Success Team Lead
MeisterTask
99.2% Quality score
"Crescendo had just the technology we needed. They were incredibly responsive and collaborative. They didn't just provide a service, they became an extension of our team."
COO
Rio
90% presales resolution by AI
“We went from 20% accuracy to the high 90s within weeks. We were in a time crunch and Crescendo moved fast…and the improvement was exponential.”
Head of Customer Support
Rachio
95% - 99% AI Accuracy
"We can count on Crescendo. Round-the-clock AI, round-the-clock people, and a partner who keeps improving with us. We are the most reliable EV charging network in the United States and the most advanced in using AI to deliver support, and Crescendo is making that possible.”
AI Lead
EVPassport
70% Inquiries handled by AI
"I sent an email regarding postage and it was answered immediately! Honestly, I've never had such a quick response and resolution to my question. Excellent customer relations! I love the cards too and they arrived very quickly. "
(Customer)
Lovepop
94% overall CSAT
“Crescendo fused with us to build speed, accuracy, and trust. With them, we’ve got major reliability at scale—and the foundation to take on the entire market.”
CRO
Pied Parker
99.98% CSAT excluding process issues
“Our average time to an agent is 54 seconds. Before, customers waited up to two days. Now they’re connected almost instantly, followed by quick questions to understand their issue and get it resolved in minutes.”
Director of Customer Experience
Cuyana
85%+ CSAT Average
“The support quality we get from Crescendo is phenomenal. It matches the quality we aim for with our products—from the ease of their custom approach and tracking templates to the intuitiveness of their dashboards. Everything works together seamlessly, which saves our team time and helps us deliver the same level of care our customers expect from Cuyana.”
Director of Customer Experience
Cuyana
85%+ CSAT Average
“Having Crescendo has given us the freedom to step back, take a breath, and trust that every customer is getting the same level of care.”
Director of Partnerships & Customer Success
Kiki Milk
50% + email inquiries handled by AI
“We needed a support solution that could keep up with our growth while still sounding like us. Crescendo made that possible.”
Director of Partnerships & Customer Success
Kiki Milk
50% + email inquiries handled by AI
“Generally, customer service organizations move at a snail’s pace. Crescendo has gone at a very rapid pace, learned quickly, and applied the right kind of support.”
‍VP of Operations
SimpleSUB Water
Reduced ticket volume by 65%
"We love your company, and we love everyone we've interacted with. You can tell the difference between people doing their job and people who really care. Crescendo cares as much as we do."
VP of Operations
Sim‍pleSUB Water
Reduced ticket volume by 65%
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