GSA Business Development Reviews

Surgery International 2026.02.12

     

We engaged GSA to support our event delegate telemarketing campaign, and the results were excellent. Their team was professional, responsive and highly organised — they quickly understood our goals and delivered quality leads that helped boost delegate registration. Communication throughout the process was clear and efficient. We’re very pleased with the service and would happily work with them again.

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Reply from GSA Business Development

That's extremely kind of you, Andy. We enjoyed working with you.

Soumeila Cisse 2026.01.22

     

We have been working with the GSA team since 2020 and the collaboration has been excellent in every aspect so far. Jonathan and his team are highly professional, responsive, adaptable and always available. They consistently demonstrate a strong understanding of our challenges and are able to adjust quickly and pragmatically. GSA stands out for its solution-oriented mindset and true business partner approach. They are proactive reliable and continuously bring valuable ideas to the table. A trusted and high-quality partnership that I highly recommend !

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Reply from GSA Business Development 2026.01.23

Thank you, Soumeila, for your wonderful feedback! We’re thrilled to hear about your positive experience and truly appreciate your recommendation. It’s a pleasure collaborating with you, and we look forward to continuing our partnership!

Christian Magistroni 2025.12.11

     

We partnered with this agency and the experience was excellent. The team was highly professional, proactive, and attentive to our needs. They managed telemarketing effectively, ensuring clear communication and tangible results. A special mention goes to their Italian telemarketer, whose exceptional communication skills and ability to engage with our audience made a real difference. Highly recommended for anyone looking for a reliable, performance-driven partner.

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Reply from GSA Business Development 2025.12.11

That's extremely kind of you, Christian. Thank you. We hope to work with you again soon.

Peter Radcliffe 2025.03.07

     

Having collaborated with Jonathan and his superb team for the last 13 years, I can easily say that they are consummate professionals and we look forward to working with them for many more years.

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Reply from GSA Business Development 2025.03.11

Thank you, Peter! We're truly grateful for your long-standing partnership and trust over the years. It’s always a pleasure working with you, and we’re excited about continuing our collaboration into the future.

Lloyd Ker 2025.03.07

     

exceptional service and can rate them high enough. Reporting is also exceptional!

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Reply from GSA Business Development 2025.03.07

That's extremely kind of you, Lloyd. We enjoyed working with you on your tele-research project

Mishani Gamage 2024.03.27

     

Loved the collaboration with GSA on a telemarketing project. they think along with you and very much flexible with their services.

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Reply from GSA Business Development

That's extremely kind of you, Mishani. We enjoyed working with you.

Jennifer Mainwaring 2023.11.10

     

GSA demonstrated exceptional responsiveness to our evolving project demands and organisational needs. Julia adeptly understood our ideas and concepts and effectively captivated prospective leads with her exceptional telephone etiquette and strong communication skills. The feedback and reporting provided by Kevin and Julia were incredibly insightful, enabling us to explore alternative avenues and make informed strategic choices. I cannot speak highly enough of GSA for their blend of professionalism and personal touch in their engagement with our company. I wholeheartedly endorse their services.

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Reply from GSA Business Development 2024.09.20

That is so kind, Jennifer. It was great working with you.


Many thanks again

Bert Spencer 2023.09.17

     

Recommended A great positive approach to telemarketing, very open communication, and good results

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Reply from GSA Business Development 2023.09.18

Bert, thank you for your kind words! We're delighted you've appreciated our approach and achieved good results with us. Your support means a lot!

Egizia Maria Felice 2023.09.05

     

Targeted approach and clear results. I cannot recommend the GSA team enough!

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Reply from GSA Business Development 2023.09.11

I really appreciate that, Egizia!

Mark Gan 2023.07.05

     

It was a joy working with the team from GSA. The ability to conduct weekly reviews directly with the telemarketers was very assuring and allowed us to tweak our messages in a timely manner. We are very satisfied not only with the results, but the process and delivery as well.

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Reply from GSA Business Development 2023.07.05

That's very kind, Mark. We aim to provide a transparent, professional service and a high degree of communication. Many thanks again.

Tom Farmery 2023.04.28

     

Jonathan and Kevin are incredibly knowledgable, patient and without doubt the experts in their field. They were fantastic at guiding myself and my colleague through a LinkedIn campaign and I was really pleased with the positive connections, conversations and brand awareness achieved.

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Reply from GSA Business Development 2023.04.28

That's incredibly kind, Tom. Thank you.

Clive Gilbert 2023.03.31

     

“We partnered with GSA so we could quickly, professionally, and effectively reach-out to our European customers. GSA enabled us to interact with our client base at a speed with which we would never have been able to replicate using just our in-house language team. We had regular, professional updates with the project team and had through and insightful quantitative data, as well as interesting qualitative feedback. It was an enjoyable and successful collaboration.”

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Reply from GSA Business Development 2023.03.31

That's extremely kind, Clive. We very much enjoyed working with you!

Tim Butterworth 2023.02.21

     

When the normal world stopped during the pandemic, we needed a way to grow a new business quickly, and GSA telemarketing helped us find new opportunities at a difficult time for everyone. They were very professional and became an extension to the sales team. Once this project was over, Kevin facilitated us to use their LinkedIn marketing platform to successfully grow the number of first degree contacts we can now talk to directly. Thank you GSA.

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Reply from GSA Business Development 2023.02.21

That's extremely kind, Tim. Thank you!

Arthur Badder 2022.12.16

     

Excellent service from Jonathan and Kevin. Superb system of tracking and visibility on the campaign. Thank you.

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Reply from GSA Business Development 2022.12.16

That's very kind, Arthur. Thank you!

Di Sun15 2022.12.07

     

I have compared with 6 telemarketing training courses and decided on using GSA. I am really happy with the training structure, contents and the trainer - Jonathan Silverman. My team truly enjoyed the training and has already started to apply a few techniques while making prospecting phone calls. I would highly recommend Jonathan and his training course. The unique part of his course is that it is not a standard telemarketing course where you have the similar structure for every company. Jonathan spends his time listening to our needs to make sure the course is truly tailored to your company's requirements. Thank you Jonathan.

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Reply from GSA Business Development 2022.12.08

That's extremely kind of you. Thank you!

Kate Dela Cruz 2022.11.25

     

We engaged GSA Marketing to do telemarketing/LinkedIn/Email campaigns for our company. We had a difficult and specific target audience, and GSA worked diligently over a few months to reach these people, and then deliver these campaigns efficiently and effectively. As a result of these campaigns we are now in communications with many of our most desired target leads, well down the long sales cycle that our business necessitates. I would highly recommend GSA to everyone, I have really enjoyed working with Jonathan, Kevin and Alex. We will be carrying out more campaigns in the new year.

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Reply from GSA Business Development 2022.11.25

That's so kind Kate, and much appreciated. It has been a good collaboration and we have all worked hard to make this work.
Many thanks
Jonathan

Emily Lally 2022.06.15

     

Jonathan came to the Miele offices to train our Inside Sales Team. The sessions were well structured and gave the Team confidence and new skills to begin outbound dialing. Having Jonathan listen to calls and give feedback was great. Thank you GSA!

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Reply from GSA Business Development 2022.06.16

That's very kind of you Emily. I really appreciate it. Good luck with the calls! You have a good team.

MURRAY WARREN 2022.05.19

     

We have known Jonathan and his team at GSA for many years. Having used them on multiple B2B campaigns I can certainty recommend them to any company needing an effective telemarketing company that is focused on results. GSA's telemarketers have vast experience and the effort they go to understand the product and service is brilliant and shows in the results. Keep up the great work!

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Reply from GSA Business Development 2022.05.19

That's extremely kind Murray.
Many thanks
Jonathan

Jeff Keam 2021.09.17

     

We have used Jonathan several times and just finished another training session. The training is from someone who teaches from up-to-date experience. I fully recommend GSA.

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Reply from GSA Business Development 2021.09.17

That's extremely kind, Jeff. Thank you!

Michaela Rodgers 2021.09.06

     

We worked with GSA on a B2B telemarketing campaign following subpar results using in-house resources. We initially decided on a set number of hours but ended up doubling it after our conversion rate was increased by an amazing 108%. GSA ensured our campaign results were updated on a daily basis and their team followed up with us weekly to ensure the campaign was going as planned. We were impressed with the teams professional, yet warm manner, making them an absolute pleasure to work with. We look forward to working with GSA in the future.

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Reply from GSA Business Development 2021.09.06

That is extremely kind of you Michaela. It is really appreciate. I am sure that Kevin will be delighted with this feedback. We hope to work with you again soon.