AGENCY LIST

Tamman

Philadelphia, Pennsylvania, United States
Visit tammaninc.com

Inclusive design and accessibility solutions for digital transformation

Tamman Inc focuses on creating an inclusive web by integrating human-centered design with accessible software development. Founded in 2007, the company believes that access to information is a human right and works to empower accessibility champions within businesses.

Tamman offers a range of services including consulting, assessments, and training to help organizations address accessibility needs. Their approach is rooted in agile methodologies, ensuring that digital solutions are scalable and sustainable. They serve a diverse clientele, from startups to Fortune 500 companies, providing technical solutions that prioritize quality and security.

The agency's expertise spans web applications, data analysis, and business strategy, with a strong emphasis on digital accessibility. Tamman collaborates with partners to deliver measurable results and create lasting impacts for clients and their users.

19
YEARS IN BUSINESS
8
SERVICES

Capabilities

Category

Staffing and Outsourcing

Services

What these services involve

Back Office Services
Back Office Services for staffing and outsourcing buyers. Clear scope, measurable outcomes, and reliable delivery.
Customer Support BPO
Customer Support BPO for staffing and outsourcing buyers. Clear scope, measurable outcomes, and reliable delivery.
Data Entry and Annotation
Data Entry and Annotation for staffing and outsourcing buyers. Clear scope, measurable outcomes, and reliable delivery.
Dedicated Teams
Dedicated Teams for staffing and outsourcing buyers. Clear scope, measurable outcomes, and reliable delivery.

Agency details

Team size
51-200 people
Founded
2007 (19 years)

About this agency on Agency List

Tamman holds an Agency List Score of 51 out of 100.

That score is higher than 0% of the 36,919 agencies Agency List has assessed so far.

The Agency List Score measures how well an agency documents its work in public: named clients, quantified outcomes, and whether those outcomes are attributed to the agency rather than to the client.

It does not measure client satisfaction, price, or availability.

How the Agency List Score is measured

Assessment date

Agency List assessed Tamman in September 2026, reading 5 pages published on tammaninc.com.

The score reflects what Tamman had published by that date; anything published since has not been read.

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