Collaborate With the Best UX Design Agencies

Discover what makes Yes Yes Know one of the best UX design agencies to work with for complex B2B software, enterprise SaaS, and data-heavy platforms. We combine deep user research, strategic interface design, and built-in accessibility compliance to turn complicated workflows into intuitive digital products that drive measurable business outcomes and long-term user adoption.

UX design agency team reviewing wireframes and enterprise software user interfaces

Our UX Design Services

Comprehensive user experience design, research, auditing, and accessibility solutions built specifically for complex B2B software and digital products.

Product & UX/UI Design

Deliver end-to-end product design covering user research, experience strategy, design systems, and developer-ready interfaces engineered for complex enterprise and SaaS workflows.

UX Audits & Strategy

Evaluate product goals, user journeys, and UX processes to identify critical friction points and establish a strategic roadmap for design-driven growth.

Comprehensive User Research

Conduct qualitative user interviews, persona mapping, card sorting, and tree testing to validate concepts and align product architecture with customer workflows.

Usability Testing & Validation

Measure task completion times, eliminate interface friction, and validate design prototypes with real target users through structured, multi-round usability evaluation sessions.

Flat-fee UX Audit

Receive an expert evaluation across up to five core user flows with annotated screenshots, heuristic reviews, severity ratings, and actionable remediation steps.

Accessibility & VPAT Services

Ensure digital products meet WCAG 2.2 AA standards and ADA compliance through rigorous assistive technology testing, detailed audits, and VPAT documentation.

UX designer mapping user journey phases and wireframe prototypes

Our 3-Phase Product Design Process

Phase One: Understanding & Research

We conduct in-depth UX audits, stakeholder alignment sessions, and target user research to uncover workflow bottlenecks and establish strategic goals for your product.

Phase Two: Designing & Prototyping

Phase Three: Building & Validation

Research-Led Results

Proven Client Impact

See how our strategic UX design and accessibility audits transform complex platforms into intuitive software products.

"Jen and her team were instrumental in getting our UX practice off the ground. They are incredibly talented and fun to work with."

Minal Patel

"Our engagement with Yes Yes Know was a complete success. Their dedication, insightfulness, ability to deal with ambiguity, and quality of deliverables meant we would gladly work with them again."

Gabriel Golcher

"Collaborating with the Yes Yes Know team has been transformative. We wholeheartedly recommend their expertise."

Brett Settle

"Yes Yes Know’s work has helped identify points of friction and led to the development of a faster onboarding experience. They’re very organized, thorough, and never miss a detail."

Matthew Fuller

"I want to log in and start using it right away!"

Data Usability Test Participants

"It is not ‘Yes, Yes, No’ - it is ‘Yes, Yes, Yes!’"

HKS Administrator

"One of the critical success factors of this project was bringing in YYK."

Michael Humphrys

"Jen and her team at YYK helped us understand the non-obvious gaps in our user experience. Their work has enabled our growing team to make more user-centric decisions and helped scaffold our UX and design practice while we scaled up. Recommend."

Michael E. Gruen

"Jen and her team were instrumental in getting our UX practice off the ground. They are incredibly talented and fun to work with."

Minal Patel

"Our engagement with Yes Yes Know was a complete success. Their dedication, insightfulness, ability to deal with ambiguity, and quality of deliverables meant we would gladly work with them again."

Gabriel Golcher

"Collaborating with the Yes Yes Know team has been transformative. We wholeheartedly recommend their expertise."

Brett Settle

"Yes Yes Know’s work has helped identify points of friction and led to the development of a faster onboarding experience. They’re very organized, thorough, and never miss a detail."

Matthew Fuller

"I want to log in and start using it right away!"

Data Usability Test Participants

"It is not ‘Yes, Yes, No’ - it is ‘Yes, Yes, Yes!’"

HKS Administrator

"One of the critical success factors of this project was bringing in YYK."

Michael Humphrys

"Jen and her team at YYK helped us understand the non-obvious gaps in our user experience. Their work has enabled our growing team to make more user-centric decisions and helped scaffold our UX and design practice while we scaled up. Recommend."

Michael E. Gruen

"Jen and her team were instrumental in getting our UX practice off the ground. They are incredibly talented and fun to work with."

Minal Patel

"Our engagement with Yes Yes Know was a complete success. Their dedication, insightfulness, ability to deal with ambiguity, and quality of deliverables meant we would gladly work with them again."

Gabriel Golcher

"Collaborating with the Yes Yes Know team has been transformative. We wholeheartedly recommend their expertise."

Brett Settle

"Yes Yes Know’s work has helped identify points of friction and led to the development of a faster onboarding experience. They’re very organized, thorough, and never miss a detail."

Matthew Fuller

"I want to log in and start using it right away!"

Data Usability Test Participants

"It is not ‘Yes, Yes, No’ - it is ‘Yes, Yes, Yes!’"

HKS Administrator

"One of the critical success factors of this project was bringing in YYK."

Michael Humphrys

"Jen and her team at YYK helped us understand the non-obvious gaps in our user experience. Their work has enabled our growing team to make more user-centric decisions and helped scaffold our UX and design practice while we scaled up. Recommend."

Michael E. Gruen
The Agency Advantage

Why Choose Yes Yes Know?

We combine specialized technical expertise, user research, and accessibility into an collaborative agency model.

B2B Software Focus

Specialized experience simplifying data-heavy workflows across cybersecurity, SaaS, and enterprise applications.

Accessible by Design

Built-in WCAG 2.2 AA standards and assistive technology testing across every product engagement.

End-to-End Capabilities

Complete service coverage spanning discovery audits, user research, UI design, validation, and engineering.

One-on-One Coaching

Dedicated collaboration and design insights that help technical leaders build internal product capabilities.

Meet the yesyesknow Team

A dedicated team of senior UX designers, researchers, and engineers.

Portrait of Jen Bullard, Founder of Yes Yes Know

Jen Bullard

Founder

Jen Bullard is the Founder of Yes Yes Know, bringing over 20 years of UX experience in web and software development across high-tech, B2B, SaaS, cybersecurity, data management, and fintech industries. She holds a master's degree in Human Computer Interaction from RPI and a fine arts degree from the University at Buffalo. Jen lectures at Northeastern University and mentors at Techstars Boston, sharing her expertise with the next generation of designers and entrepreneurs. She is CPACC certified through the International Association of Accessibility Professionals, reflecting her deep commitment to accessible design. Since founding the company in 2019, Jen has built Yes Yes Know into a trusted UX and product design partner for B2B software companies throughout the Boston and Cambridge area, focused on research-led, accessible, and business-driven design solutions.

Portrait of Parker Jessie, Director of Operations

Parker Jessie

Director of Operations

Parker Jessie serves as Director of Operations at Yes Yes Know, where he manages and supports agency and client growth initiatives. His diverse background spans relationship management and communications across public, private, and nonprofit sectors, giving him a well-rounded perspective on organizational success. Parker's expertise in marketing, social impact, and technology allows him to bridge strategic operations with client needs effectively. He plays a key role in ensuring smooth day-to-day operations while helping the agency scale to meet the demands of its growing B2B software client base. Parker is dedicated to fostering strong client relationships and supporting the team's mission of delivering research-led, accessible UX solutions to companies across Boston, Cambridge, and beyond.

Portrait of Nathalie Baudrand, Senior UX Design Consultant

Nathalie Baudrand

Senior UX Design Consultant

Nathalie Baudrand is a Senior UX Design Consultant at Yes Yes Know, contributing her expertise to the agency's research-led, accessible design process. As part of the senior design team, she works closely with B2B software companies, enterprise teams, and SaaS providers to craft user experiences that simplify complex, data-heavy workflows. Nathalie brings a thoughtful, user-centered approach to every project, ensuring that designs are both functional and accessible. Her work supports Yes Yes Know's mission of aligning UX strategy with business growth, helping technical leaders and product managers deliver software solutions that truly serve their end users across Massachusetts and beyond.

Portrait of Pame Chevez, Senior UX Design Consultant

Pame Chevez

Senior UX Design Consultant

Pame Chevez is a Senior UX Design Consultant at Yes Yes Know, bringing specialized skill to the agency's end-to-end product design services. She partners with B2B software, SaaS, and cybersecurity clients to develop research-driven design solutions that address complex user needs. Pame's work emphasizes accessibility and user validation, ensuring designs are tested with real users throughout the development process. As a senior member of the design team, she contributes to strategy, research, and design phases alike, helping clients build maintainable, effective products. Her dedication to accessible, function-first design supports Yes Yes Know's mission of delivering exceptional UX to B2B software companies across the Boston and Cambridge region.

Portrait of Andrew Male, Development Lead

Andrew Male

Development Lead

Andrew Male serves as Development Lead at Yes Yes Know, overseeing the technical implementation of the agency's design solutions. He plays a critical role in bridging the gap between UX design and functional, maintainable software products for B2B and enterprise clients. Andrew's expertise ensures that the innovative designs created by the UX team are built to high technical standards, supporting complex, data-heavy platforms across industries like SaaS, cybersecurity, and fintech. His development leadership helps Yes Yes Know deliver true end-to-end product design services, from research and strategy through to final implementation, ensuring clients receive robust, accessible, and scalable software solutions.

Portrait of Vivian Kuo, Junior UX Consultant

Vivian Kuo

Junior UX Consultant

Vivian Kuo is a Junior UX Consultant at Yes Yes Know, contributing fresh perspective and dedication to the agency's user-centered design projects. She supports the senior design team in conducting research, developing design strategies, and validating solutions with real users for B2B and enterprise software clients. Vivian is growing her expertise in accessibility and research-driven UX practices, aligning with Yes Yes Know's core values of function before form and user-centered design. Her enthusiasm and attention to detail make her a valuable contributor to the team, helping deliver thoughtful, accessible product experiences for clients across the Boston and Cambridge area and beyond.

Portrait of Rich Buttiglieri, Principal UX Design Consultant and Fractional CXO

Rich Buttiglieri

Principal UX Design Consultant / Fractional CXO

Rich Buttiglieri serves as Principal UX Design Consultant and Fractional CXO at Yes Yes Know, bringing senior-level strategic expertise to the agency's client engagements. In this dual role, he provides high-level experience strategy alongside hands-on design consulting for B2B software, enterprise, and SaaS clients. Rich's experience allows him to offer one-on-one coaching and design insights to technical leaders and project managers, a hallmark of Yes Yes Know's engagement model. He plays a key role in aligning UX strategy with business growth, ensuring clients receive both tactical design solutions and strategic guidance throughout their product development journey.

Portrait of Kevin Markgren, UX Design Consultant

Kevin Markgren

UX Design Consultant

Kevin Markgren is a UX Design Consultant at Yes Yes Know, contributing his design expertise to help B2B software companies create effective, user-centered products. He works across research, strategy, and design phases, collaborating with clients to simplify complex workflows and data-heavy interfaces. Kevin's approach emphasizes accessibility and user validation, ensuring that designs are tested and refined based on real user feedback. As part of the Yes Yes Know team, he supports the agency's mission of delivering research-led, accessible UX solutions to enterprise, SaaS, and cybersecurity clients throughout the Boston and Cambridge area.

Portrait of Zia Halawa, Content Specialist

Zia Halawa

Content Specialist

Zia Halawa is a Content Specialist at Yes Yes Know, responsible for crafting clear, effective content that supports the agency's UX and product design work. She collaborates with the design and development teams to ensure that content is accessible, user-friendly, and aligned with client goals. Zia's work helps bridge the gap between design and communication, ensuring that complex B2B software products are easy for end users to understand and navigate. Her contributions support Yes Yes Know's commitment to accessibility and research-driven design, helping clients across various industries deliver clear, effective product experiences.

Portrait of Matt Hykes, Yes Yes Know team member

Matt Hykes

Matt Hykes is a valued member of the Yes Yes Know team, contributing to the agency's mission of delivering research-led, accessible UX and product design solutions for B2B software companies. He supports the team's collaborative approach to client engagements, helping ensure high-quality outcomes across research, design, and development phases. Matt's contributions help the agency maintain its reputation as a trusted partner for enterprise, SaaS, and cybersecurity clients throughout the Boston and Cambridge area, embodying the company's core values of accessibility, user-centered design, and function before form.

Portrait of Katriel Paige, Yes Yes Know team member

Katriel Paige

Katriel Paige is a dedicated member of the Yes Yes Know team, contributing to the agency's work delivering accessible, research-driven UX and product design services. She supports client engagements across research, design, and strategy, helping B2B software companies simplify complex, data-heavy products. Katriel's contributions align with Yes Yes Know's mission of combining user-centered design with business-focused outcomes, helping the agency serve enterprise, SaaS, and technology clients throughout Massachusetts and beyond with thoughtful, well-executed design solutions.

Frequently Asked Questions

What does UI and UX designer do?

A UX designer researches user behavior, structures information architecture, maps navigation flows, and validates usability to ensure products are intuitive. A UI designer focuses on visual touchpoints, including typography, interface components, interactive states, and design systems. Working together, they turn complex workflows into accessible, visually cohesive software solutions that allow users to complete tasks quickly and efficiently.

How much do agencies charge for UI/UX design?

Is UI/UX in demand in the USA?

What makes an agency one of the best UX design agencies to work with?

How does Yes Yes Know integrate accessibility into UX design?

Can your agency help with data-heavy enterprise software interfaces?

What deliverables are provided during a flat-fee UX audit?

What engagement models are available for design and development projects?

Ready to Elevate Your Product UX?

Speak directly with our senior design team to discuss your software challenges.

Certified & Recognized

Awards and Recognition

CPACC accessibility certification credential badge

IAAP CPACC Certification

Certified Professional in Accessibility Core Competencies.

DesignRush agency partnership recognition emblem

DesignRush Agency Partner

Recognized Massachusetts design agency partner.

Digital accessibility standards compliance verification seal

WCAG 2.2 AA Audited

Validated digital accessibility testing and remediation standards.

Partner with a Premier UX Design Agency

Share your product goals and challenges with our team. We will review your requirements and respond promptly to outline next steps.

Contact Us Today

For immediate assistance, feel free to give us a direct call at 617.551.1191. You can also send us a quick email at hello@yesyesknow.co.