Best Diversity, Equity & Inclusion (DEI) Consulting Services in the USA

United States Diversity, Equity & Inclusion (DEI) Consultants

When it comes to building workplaces that truly embody diversity, equity, and inclusion, choosing the right consulting partner can make all the difference. In the United States, the landscape of DEI consulting is rich with authentic, values-driven firms that back up their promises with proven frameworks, real client outcomes, and founders who lead with integrity.

This spotlight presents a curated list of standout outsourced, part-time, fractional, or virtual DEI providers rooted in the USA each with a clear record of driving measurable impact.

Methodology: How We Chose These Diversity, Equity & Inclusion (DEI) Consulting Services

We take radical authenticity seriously. To earn a place on this list, each firm had to meet strict criteria:

✅ Research-Driven: We verified public case studies, frameworks, and thought leadership that demonstrate how these consultancies move DEI from talk to measurable action.

✅ Client-Reviewed: We looked for real client feedback, clear ROI stories, and authentic testimonials not vague promises.

✅ Location-Based: All agencies are rooted in the United States, with founders and teams deeply engaged with local communities and sectors.

🌟 DEI Consulting Provider Spotlights

OurOffice, Inc.

🔗 Website: https://www.ouroffice.io/

What they do:
OurOffice, Inc. delivers an all-in-one DEI platform combined with expert consulting services. They specialize in data-driven strategies, DEI analytics, and embedding DEI accountability into organizational culture.

Who they work with:
Tech companies, public agencies, and global enterprises looking for scalable, measurable DEI outcomes.

Operating model:
OurOffice offers both fractional DEI leadership and an integrated SaaS solution that enables ongoing measurement and progress tracking.

💡 Why they stand out:

• 📊 Proven to embed DEI metrics into daily operations for sustained accountability.
  
  
• 🧩 Combines software + human expertise for holistic transformation.
  
  
• 🤝 Active partnerships with industry associations to advance DEI standards.

Sonya Sepahban, Founder, OurOffice, Inc.

🔗 LinkedIn: https://www.linkedin.com/in/ssepahban/

Sonya Sepahban brings decades of leadership experience from Fortune 500 technology and engineering firms. As a founder, she’s known for championing data-driven accountability and inclusive innovation. Her leadership style emphasizes measurable impact and transparency, making her a trusted voice in the DEI space.

Boundless Arc

🔗 Website: https://www.boundlessarc.com/

What they do:
Boundless Arc creates brave spaces for meaningful dialogue through workshops, speaking engagements, and strategic consulting.

Who they work with:
Corporations, universities, and nonprofits ready to have uncomfortable but necessary conversations.

Operating model:
Facilitator-led sessions combined with custom DEI action plans.

💡 Why they stand out:

• 💬 Expert at moderating real talk on complex equity topics.
  
  
• 🌱 Focuses on sustainable culture shift, not checkbox training.
  
  
• 🧑‍🤝‍🧑 Builds internal champions to maintain momentum post-engagement.

Alex Lahmeyer, Founder, Boundless Arc

🔗 LinkedIn: https://www.linkedin.com/in/alahmeyer/

Alex Lahmeyer is a certified DEI practitioner and sought-after speaker. They’re known for creating safe, affirming spaces for marginalized voices. Their facilitation style is rooted in empathy and directness; clients trust Alex to move dialogue to action.

Altogether Agency

🔗 Website: https://www.altogetheragency.com/

What they do:
Altogether Agency focuses on inclusive marketing and communications strategy alongside DEI consulting.

Who they work with:
Creative agencies, lifestyle brands, and consumer-facing companies.

Operating model:
Combines creative strategy with internal culture consulting to align brand and workplace values.

💡 Why they stand out:

• 🗣️ Bridges brand voice and internal DEI work seamlessly.
  
  
• 🎨 Specializes in inclusive content creation.
  
  
• 🌟 Empowers brands to avoid performative allyship.

Madison Eker, Founder, Altogether Agency

🔗 LinkedIn: https://www.linkedin.com/in/madison-eker-5448a7196/

Madison Eker has a background in inclusive brand strategy and community building. They’re recognized for helping companies connect with diverse audiences authentically. Madison’s approach blends creative storytelling with practical policy updates for a brand that lives its values inside and out.

VinTif Solutions

🔗 Website: https://www.vintifhr.com/

What they do:
VinTif Solutions offers DEI-focused HR consulting, workforce planning, and talent acquisition support.

Who they work with:
SMBs, professional services firms, and mission-driven companies scaling up responsibly.

Operating model:
Fractional HR and DEI leadership, plus training modules for teams.

💡 Why they stand out:

• ⚙️ Combines practical HR compliance with equity best practices.
  
  
• 🏆 Has helped clients diversify leadership pipelines.
  
  
• 🧑‍💼 Provides hands-on support, not just policy templates.

Tiffany Coleman, Founder, VinTif Solutions

🔗 LinkedIn: https://www.linkedin.com/in/tiffany-coleman-0a42666/

Tiffany Coleman is a seasoned HR executive and diversity strategist. She’s respected for her operational rigor and commitment to building fair systems. Clients praise her ability to translate big DEI goals into clear, HR-aligned actions.

The TCS Group, Inc.

🔗 Website: https://www.thetcsgroupinc.com/

What they do:
The TCS Group delivers strategic DEI consulting, executive coaching, and inclusive leadership development. They specialize in building strategies that align DEI with business goals.

Who they work with:
Fortune 500 companies, educational institutions, and community organizations seeking long-term cultural change.

Operating model:
Offers tailored programs, leadership roundtables, and fractional DEI officer services.

💡 Why they stand out:

• 🎯 Deep focus on aligning DEI with organizational strategy.
  
  
• 👥 Known for impactful C-suite coaching and board advising.
  
  
• 💼 Proven frameworks that link inclusion to measurable business KPIs.

Tamika Curry Smith, Founder, The TCS Group, Inc.

🔗 LinkedIn: https://www.linkedin.com/in/tamikacurrysmith/

Tamika Curry Smith is a nationally recognized DEI leader and advisor with experience spanning corporate, nonprofit, and education sectors. She’s guided Fortune 500 boards through cultural transformations and has been a frequent keynote speaker on inclusion and equity. Her leadership style is strategic, practical, and unapologetically results-driven.

Project 986 Consulting

🔗 Website: https://www.project986consulting.com/

What they do:
Project 986 focuses on inclusive strategy development, BIPOC leadership advancement, and organizational transformation.

Who they work with:
Foundations, universities, and mission-driven companies.

Operating model:
Custom strategy design, equity coaching, and thought leadership.

💡 Why they stand out:

• 📚 Combines academic rigor with real-world execution.
  
  
• 🌟 Advocates for systemic change beyond surface workshops.
  
  
• 🔗 Builds leadership pipelines for historically excluded talent.

Carmen Phelps, PhD, Founder, Project 986 Consulting

🔗 LinkedIn: https://www.linkedin.com/in/carmen-phelps-phd-111258146/

Dr. Carmen Phelps is an educator and DEI strategist with a PhD in English and extensive experience in higher education administration. She’s known for designing transformative strategies that go beyond checkbox commitments. Carmen is a trusted partner for organizations serious about embedding equity into every level of their work.

MagnaReign‍

🔗 Website: https://magnareign.com/

‍What they do:
MagnaReign provides diversity, equity, and inclusion consulting designed to help organizations build equitable workplaces where people and business performance thrive together. Their approach combines executive-level DEI strategy with culture-building practices that are actionable, measurable, and sustainable.

Who they work with:
Corporate enterprises, nonprofit organizations, and mission-driven startups seeking to embed equity into leadership, hiring, and organizational culture.

Operating model:
MagnaReign engages through tailored DEI programs, leadership coaching, and organizational assessments—ensuring that change extends from the C-suite to every employee touchpoint.

💡 Why they stand out:
📊 Strong focus on measurable DEI outcomes tied to business performance
🤝 Deep expertise in executive leadership coaching and organizational equity strategy
🌍 Commitment to creating inclusive systems that scale across industries

Anthony Lauderdale, Founder, MagnaReign‍

🔗 LinkedIn: https://www.linkedin.com/in/anthonylauderdale/‍

Anthony Lauderdale is an experienced DEI strategist and executive coach with a career dedicated to building more equitable workplaces. His work emphasizes both leadership accountability and employee empowerment, ensuring DEI isn’t a “side project” but a business-critical function. Through MagnaReign, Anthony partners with organizations to turn equity commitments into tangible results, guiding leaders to foster inclusive environments that drive long-term success.

Final Thoughts

In today’s rapidly evolving world, fostering a culture of diversity, equity, and inclusion is not just a value, it's a strategic imperative. The best DEI consulting services empower organizations to build inclusive workplaces, elevate marginalized voices, and drive sustainable change from within. These US-based DEI consultancies stand out for their radical authenticity, practical frameworks, and measurable impact. Investing in DEI is investing in a better, more equitable future for all.

At Digital Reference, we believe real change happens when companies connect with local, credible, and values-driven partners not cookie-cutter solutions. If you’re exploring how to 

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