Keystone Answering Service

Newtown, Pennsylvania, United States

24/7 telephone answering and remote receptionist services

Keystone Answering Service provides high-quality, dependable telephone answering services and innovative business solutions. Serving clients across various industries, they operate 24/7, ensuring businesses remain connected at all times. With a focus on personalized customer service, Keystone's specially-trained agents handle calls with customized greetings and message taking.

Their core services include a 24/7 answering service, remote receptionist program, disaster recovery solutions, and emergency call handling. These services are designed to add value to businesses by maintaining a competitive edge and ensuring continuity during unforeseen events. Keystone's approach includes using state-of-the-art technology and offering multiple message delivery options, such as secure messaging apps and SMS.

Keystone Answering Service has achieved several industry milestones, including earning the ATSI Award of Excellence for eighteen consecutive years. They operate from three locations in Pennsylvania, providing a central point of contact for employees and customers, and ensuring businesses can continue operations seamlessly.

39
YEARS IN BUSINESS
3
SERVICES

Capabilities

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.
Virtual Assistants
Virtual Assistants for staffing and outsourcing buyers. Clear scope, measurable outcomes, and reliable delivery.

Agency details

Team size
51-200 people
Founded
1987 (39 years)

About this agency on Agency List

Keystone Answering Service holds an Agency List Score of 67 out of 100.

That score is higher than 16% 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 Keystone Answering Service in September 2026, reading 4 pages published on keystoneansweringservice.com.

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

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