Accordence

30 Years of Experience in Negotiation and Conflict and Resolution
Maximizing Organizational Results

Increased revenue, profit & margins
Decreased costs, discounting
Faster cycles for sales or purchasing
Enhanced implementable agreements
Improved working relationships
Productive, engaged employees
Effective problem-solving, communication, and self-leadership tools

How We Help Clients

How We Help Clients

What’s new with Accordence?

Accordence Co-Founder Grande Lum joins a webinar Wednesday December 3rd at 12:30 pm ET regarding New Civil Rights Mediation Oral History Project.

Interested in a public course at Stanford Continuing Education? Enrollment is open for Saturday, February 7, 2026 entitled Negotiation Mastery: Achieving Outstanding Results and Rela tionships.

Accordence Managing Director Heather Meeker Green has shared a new blog: Being Influential at Work

Who we’ve worked with.

select logos-12.png

select logos-11.png

select logos-10.png

select logos-09.png

select logos-08.png

select logos-07.png

select logos-06.png

select logos-05.png

select logos-04.png

select logos-03.png

select logos-02.png

select logos-01.png

Select Client List

Select Client List

Who we’ve previously worked with and collaborated with.

select logos-01.png

select logos-02.png

select logos-03.png

select logos-12.png

select logos-11.png

select logos-10.png

select logos-08.png

select logos-09.png

select logos-07.png

select logos-06.png

select logos-04.png

select logos-05.png

Full List of Clients

Full List of Clients

Testimonials

“One of the best courses I’ve ever taken and the best negotiation course taken. I recommend this as an excellent course because I can walk away with something actionable and start making a change tomorrow.”

— National Sales Representative, Medical Devices Industry

“This is one of the top 2 training courses I've done in my 9 years at the company. It [negotiation] is directly applicable to my job and I've now got the tools to make this development area a future strength.”

— Regulatory Affairs Personnel, Biotechnology Industry

eStore & Resources

Our new site offers access to material never available before—all at the ease of our eStore.