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Proof

Real people trusted Roki with their growth. By name, on camera.

I'm Roki. Everything on this page comes from the verified archive of my Prospect Engine years: LinkedIn recommendations, client videos, logos, and case numbers. Where a name is not publicly confirmed, it stays off the page.

10

client videos

12

written recs

330+

companies served

Romy Sembi

Romy Sembi

Founder, Aura Sales · B2B Sales Coaching

January 2026LinkedIn
“10 out of 10. Outstanding service. Roki and his team exceeded my expectations.”
LinkedIn · Website · Outreachverified recommendation

On camera

Customers, in their own words.

10 short videos - unscripted. Click any card to hear what they actually sound like after working with Roki.

See all on YouTube →
From quiet outreach to six closed deals.
YouTube
Robert Edward Pinnington · PDCA Consulting
From quiet outreach to six closed deals.
How Rokib transformed our LinkedIn strategy.
YouTube
Ching Yu Tan · iSummit & GrooveAsia
How Rokib transformed our LinkedIn strategy.
A year of results, support, and real partnership.
YouTube
Brian Curtis · Decentralized Systems
A year of results, support, and real partnership.
From first outreach to first client - delivered in M&A.
YouTube
Dirk Burmann · M&A Consulting, Germany
From first outreach to first client - delivered in M&A.
Real results, real voices - one growth partner.
YouTube
Client compilation
Real results, real voices - one growth partner.
From SEO to stakeholder outreach - how we scaled.
Sascha Schick · Founder & CEO, anyhelpnow
From SEO to stakeholder outreach - how we scaled.
Startup SEO, personal brand, lead gen - nailed all three.
Reni Achkar · Cantor6
Startup SEO, personal brand, lead gen - nailed all three.
Prospect Engine flooded us with clients.
Prospect Engine flooded us with clients.
Delivered in quality, budget, and time.
Dr. Klaus Lassert · Negotiation Excellence
Delivered in quality, budget, and time.
The kind of leader you want in your corner.
Hanzo Ng · Founder & Lead Trainer, Sales Ninja
The kind of leader you want in your corner.
Romy Sembi

Romy Sembi

Founder, Aura Sales · B2B Sales Coaching

January 2026LinkedIn
10 out of 10. Outstanding service. Roki and his team exceeded my expectations. He completely brought my LinkedIn profile to life - took the time to truly understand my ideal customer profile, something very few people get right. I have since commissioned my website, bio, and cold outreach.
LinkedIn · Website · Outreach

Ching Yu Tan · iSummit & GrooveAsia

0:54 video testimonial

0:54Video

Rokib helped transform the LinkedIn strategy into a clearer growth channel, with better positioning, outreach, and execution.

on-camera proofvideo testimonial
Glenn Lai

Glenn Lai

Founder · Fr8Labs

February 2024LinkedIn
I wholeheartedly recommend Rokibul for his remarkable scrappiness, strategic acumen in building win-win business models, and unparalleled expertise in driving outbound strategies. For anyone seeking to elevate their outbound sales efforts, Rokibul's services are not just beneficial; they are essential.
Outbound strategy
178leads · 60 meetings

Dirk Burmann · M&A Consulting, Germany

1:20 video testimonial

1:20Video

The campaign started from a different kind of LinkedIn approach and turned into real first-client momentum in the M&A market.

on-camera proofvideo testimonial
Julian Eckerle

Julian Eckerle

Director of Sales DACH/CEE · Vercel (ex-AutoRetouch)

May 2022LinkedIn
Roki is a true talent. He's versatile in his skillset yet always learning and growing. He's delivered results across the board while working for me in various capacities all across the digital marketing and sales landscape.

Client compilation

1:09 video testimonial

1:09Video

A short compilation of client voices describing real work, real delivery, and the kind of growth partner they experienced.

on-camera proofvideo testimonial

Reni Achkar · Cantor6

0:55 video testimonial

May 2022LinkedIn
Rokib is not only a pleasant person to work with but he is also extremely results-driven. I've had the pleasure of working with Rokib on multiple occasions and there hasn't been a single time where he didn't achieve the promised result. If you require SEO or lead gen services I highly recommend working with Rokib.
SEO · Lead genwritten + video
Julian Kohl

Julian Kohl

Customer Success Manager · Spendesk

March 2023LinkedIn
Roki is one of a kind! Hard working and an absolute professional in lead generation and online marketing - but more importantly, a great personality. We worked with Roki and his team on content for all our social channels and our website, and can highly recommend it.

Sascha Schick · Founder & CEO, anyhelpnow

1:32 video testimonial

1:32Video

Sascha Schick, founder and CEO of anyhelpnow, worked with Roki across SEO, outreach, and stakeholder growth as the German service marketplace scaled.

on-camera proofvideo testimonial

Robert Edward Pinnington · PDCA Consulting

2:07 video testimonial

December 2025LinkedIn
I have been working with Roki and his team at Prospect Engine for just over a year. They have helped with my outreach efforts and brought a lot more focus to the efforts. Roki's management of the team is second to none.
1+ year partnershipwritten + video
Jeffrey Herbert Williams

Jeffrey Herbert Williams

Founder · Excellence Edge International

January 2026LinkedIn
The first impression was vital. The 'feel good' factor that Roki demonstrated was phenomenal. Something special in the proposal from Roki and his team to help propel my organization to the next level - I highly recommend Roki and his team to any organization or entrepreneur.
Video

The client talks about the pipeline impact directly: Prospect Engine created enough demand that the business felt flooded with clients.

on-camera proofvideo testimonial
Tony Davies

Tony Davies

Business Development Executive · Crannull

May 2022LinkedIn
Rokib and his team have been a pleasure to work with. They took the time to really understand what we were trying to achieve and delivered perfectly. Communication of the project status was continuous and we felt comfortable from day one.

Hanzo Ng · Founder & Lead Trainer, Sales Ninja

1:13 video testimonial

1:13Video

Hanzo Ng, founder and lead trainer at Sales Ninja, speaks to Roki's leadership, reliability, and the feeling of having someone capable in your corner.

on-camera proofvideo testimonial

Dr. Klaus Lassert · Negotiation Excellence

3:12 video testimonial

October 2024LinkedIn
Roki is an exceptional leader in the tech and AI space. His forward-thinking approach has led to the creation of cutting-edge apps, backed by a deep understanding of the latest technologies. His expertise, combined with his clear and effective communication, makes him a reliable and highly valued business partner.
Tech & AIwritten + video
Neil Woodall

Neil Woodall

L&D Strategy · CIPD Trust Mentor

May 2022LinkedIn
Robikul delivers on what he promises - great personal service and passionate about growing and improving his business too. It's been a genuine pleasure working with him. Not only has he provided the service, but helped me understand more about using LinkedIn too.

Brian Curtis · Decentralized Systems

1:01 video testimonial

August 2022LinkedIn
Roki has been one of the greatest gifts to my team and a pleasure to work with. His attitude towards his work shows up in how much he aims to improve and successfully complete tasks. I feel extremely blessed to have been able to work with him! I would recommend his services to anyone.
written + video

Client archive

16 companies, straight from the archive.

Logos from the verified social-proof archive. They mark my operating track record, not a Dewx customer list.

AutoRetouchQIAGENKolHubZoftwareEthumZatiqOnethread7BytesiMochaAnyHelpNowC9 RecruitmentLeantuteJajo TalentSLDecubeFr8Labs

Why it matters

This proof is why Dewx is sold as an operated system.

I already know how to run client growth work. Dewx turns that operator loop into a private system: AI does the volume, every send waits for approval, and I stay accountable for the result.

30 minutes, with me, no pitch deck. If it's not a fit, I'll tell you on the call.

No invented quotesReal videos and names where verified