summ.com

4.6
4.6 Based on 201 reviews

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Average Rating

4.6

/
5

201 Reviews

5 Star
84%
4 Star
5%
3 Star
2%
2 Star
1%
1 Star
8%

Filtered Reviews

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Review Time

_Danny K
Very responsive and friendly Customer Service, I felt seen.

I was originally recommended this company when it was Crypto Tax Calculator by very trusted individuals in the crypto community and I agree, it is the best and most comprehensive software that I've experienced. Very easy to use as well. The customer service is also top notch, with Ben and Jenna at the helm, I was swiftly taken care of. Thank you to the team and everyone involved with this company. I shall sing your praises!

5
Date of experience: Feb 09, 2026
D Brez
Gilbert gave excellent customer service…

Gilbert gave excellent customer service .

5
Date of experience: Feb 09, 2026
Olivia
Fantastic Customer Service – Highly Recommend!

I recently had an issue with my billing, and I reached out to the support team for help. I had the pleasure of being assisted by Hector, who was incredibly professional, kind, and efficient.This experience has given me a fantastic impression of the company and their commitment to their customers. It’s rare to find such seamless and helpful support these days. Thank you, Hector!

5
Date of experience: Feb 09, 2026
Natalie Evans
Great service from Ben from Customer Support

Ben from Customer Support was very helpful and professional. There were billing issues which he was able to resolve quickly and efficiently.

5
Date of experience: Feb 02, 2026
peter waldock
Great product and support

I tried koinly and was massively disappointed. Then I tried CTC (now SUMM) and was very impressed. Intuitive and accurate with great integration support.Top notch support to.

5
Date of experience: Jan 29, 2026
Multi-year user of Summ/Cryptotax

Multi-year user of Summ/Cryptotax. Summ is a legit organisation with excellent, real human customer service.I had an issue (which was my own fault) and got double billed. Oliver from summ was extremely helpful and processed my refund request without any problems at all.10/10 recommend.

5
Date of experience: Jan 29, 2026
Fast response and quick resolution of…

Fast response and quick resolution of my access problem. Gilbert was patient and diligent, ensuring everything was resolved. Once access was returned, the system generated accurate CGT reports without a glitch.

5
Date of experience: Jan 27, 2026
Dear Mr Hodkinson
I had the pleasure of being helped with…

I had the pleasure of being helped with some issues by Gilbert, who did a stella job of guiding this tool through my many errors.Summ is a great platform. Please check it out.

5
Date of experience: Jan 26, 2026
Oleks I
I did not expected that fast and…

I did not expected that fast and efficient response. I had a conversation with support team via email and was receiving responses as if I was chatting. Thanks a lot!

5
Date of experience: Jan 24, 2026
Anetta Madajczyk
Summ's support staff

Summ's support staff really helpful! Quick response! Ben and Melody attentive with excellent communication!

5
Date of experience: Jan 19, 2026

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