Working with Flashhub the team has been an incredible experience. Since we started, we've received a 5.5x ROI and at least 3 qualified booked sales calls per week. I can't imagine operating an agency... See more
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As a serial entrepeneur, I partnered with Manuel to scale our sales funnels via Meta Ads and sharpen our market offering. The results speak for themselves: thanks to his structured and data-drive... See more
I have been working with Manuel for about 6 months now. The results are outstanding. We had no sustainable and plannable lead generation in place and did not know which channels work for us. The AI as... See more
Manuel was instrumental in helping us build a scalable sales process from the ground up. Before working with him, we relied entirely on our network for leads. Within just 6 months of starting our coll... See more
Company details
Written by the company
Flash Hub builds AI sales funnels to generate high-quality leads and clients with paid ads. Our AI sales funnel generator makes the setup and optimization easy for you (or we offer you an done-for-you implementation).
Contact info
Germany
- info@flashhub.io
- flashhub.io
I built and scaled a seven figure…
I built and scaled a seven figure agency and Manuel is the real deal! Unlike many other coaches out there, he actually runs and owns a highly successful agency and shares the processes and behind the scenes with lots of support. These would take years and hundreds of thousands of dollars to figure out on your own. If you're not willing to invest and spend on SOPs and lead generation then this isn't for you, but if you understand the value in automation, ai, and marketing, what Manuel teaches will serve you for years to come. Highly recommend!
Sold on ROI, delivered nothing - be very cautious
I joined Flash Hub after being promised a results-driven system with a 2x ROI guarantee and revenue projections of €90k/month by month five.
I was told I’d see leads within 6–8 weeks. After 5+ months, €5k in programme fees, €5k+ in ad spend, and over 80 hours of work, I received one call — no ROI, no paying clients, no results.
When I raised concerns, the story shifted:
From ROI to “just leads”
From projections to “more testing”
It felt like the goalposts kept moving. And yet—I didn’t immediately ask for a refund.
Instead, I offered Manuel a compromise: I would not request a refund if he and his team could take over the campaigns I had already built (using their training and coaching) and make them work — just to get one paying client that would meet the ROI guarantee.
He refused.
He preferred to issue the refund.
If the system works, why not prove it? Why decline a chance to deliver on the exact ROI promise that was sold?
Then I started connecting with other users:
Two others had invested €10k in the programme and another €10k in ad spend, also with no results.
One managed to get a refund.
I contacted two people featured in Flash Hub’s video testimonials. Both admitted the videos were recorded in the first 2–3 months, before they realised the system didn’t work and left the programme. They said the funnel and ads system didn't work at all.
And here’s where things really don’t add up:
⚠️ Flash Hub has 90+ Trustpilot reviews — all 5 stars.
Not one neutral or negative review.
This is statistically implausible for a B2B programme involving ads, funnels, and sales — where outcomes vary and technical hurdles exist. It raises questions:
Are reviews collected early in the onboarding phase before results come in?
Were participants incentivised to leave 5 stars before real performance could be assessed?
To be transparent: I eventually received a €5k refund, but I’m still out over €5k in ad spend, plus months of time and effort. The promised ROI never materialised.
⚠️ If you’ve been sold a ROI guarantee and didn’t receive it, I strongly recommend filing a dispute with your credit card provider if Flash Hub won’t refund you.
It took me a while to write this — partly from shame, and partly because I genuinely didn’t know whether this was just aggressive marketing or something closer to a scam.
But I now believe that the reputation doesn’t reflect the real outcomes, and future customers deserve transparency.

Reply from Flash Hub
FlashHub is awesome!
FlashHub has been great to work with. Their tool has been an invaluable resource for our agency growth!
Flash Hub - Key Growth partner
Flash Hub are our go-to partners and consultants for understanding the inner workings of marketing, its principles, and how to build and execute a scalable marketing strategy with productised offerings. So far, we have learned a great deal (and made plenty of mistakes), but Manuel and his team are very swift and thorough in guiding us. They are true experts, and we would not have come this far so quickly without their expertise, tools, and step-by-step guides.
Genuinely Incredible!
Genuinely Incredible!
Manuel has helped me go from feeling stuck in this cycle of not really enjoying my business and being overwhelmed whenever I get a client onboard to streamlining and improving my offer, which has made me finally enjoy working on my business again and taken me to my highest turnover month in 12 years of business.
He's helped make it easier for me to acquire clients (he does this with really subtle tweaks to your offer). Then the fulfilment is so much easier too.
I cannot recommend enough. I've done so many courses, used so many coaches. I've seen really good stuff. I've seen really bad. He is the best of the best.
You will not regret working with him.
Unique program, great community and top mentor(s)
As a participant in the Flashhub program, after more than 20 years of self-employment, I am finally learning to systematically realign and optimize my services and processes according to my personal needs. I not only benefit from the extensive experience of Manuel and his team, but also from an inspiring community.
It is particularly noteworthy that from the very first moment you realize that true professionals with an incredible wealth of experience are at work here (Nico's expertise should also be explicitly mentioned here), who come from the field and not only work at the cutting edge, but always think outside the box and open up new perspectives, but above all think and work in a solution-oriented way.
Manuel as a mentor is also incredibly clear in his communication and relentlessly honest. In my opinion, this is exactly what every self-employed person and entrepreneur who really wants to develop further needs. And you can feel in every session that the Flashhub team really want to help you from the bottom of their hearts.
So: a clear recommendation for anyone who is looking for a competent and authentic partner and who wants to take their business to a new level in a well-founded and systematic way.
A one-stop-shop for agency owners that want to scale their business
As an agency owner, you need to get a lot of things sorted if you actually want to scale. Most coaches help you only solve one part of the equation. Manuel, and the team of FlasHub went into extensive detail about getting everything straight. Not only your funnel, but also your offer, your delivery process, your leadership system, and personal time management. FlasHub has helped me to transform my business into a systemized process that can be reproduced and scaled instead of just jumping from assignment to assignment.
Amazing results, highly recommend!
Manuel helped me creating online marketing funnels for my gym. This worked extremely well - we never had more success with anybody in our online marketing endeavors. The funnels deliver a steady stream of leads we can easily convert for a better price than expected.
I highly recommend Manuel and the Flash Hub team, they've been an absolute game changer for my business. The methodology they use is something completely different from the other offerings we've tried over the years, and its an absolute winner!
It's been a massive help in terms of…
It's been a massive help in terms of scaling my company using these learnings from Flash Hub
I'm running a recruiting company and the systems I have implemented across my company have helped me and my team to systematize our product and go from bottlenecks everywhere to scaling opportunities
Highly recommended!
👍real game changer for your business
Manuel and his team really helped me to improve and scale my business. I worked alone as a marketing freelancer and wanted to scale my business with other freelancers.I had no idea how to begin and to implement this process. With Manuel's support it was really doable, he has a very systematic approach which helps you to find your clients target needs and also you learn how to set up a realiable fulfillment in the background. If you read this and think about to invest in this Programm I can assure I will pay out but of course you need the commitment and the time to implement all the learnings and create a complete new business which allows you to live a remote life with enough time for your self without hustle and struggle.
Manuel and his Team are great people
Manuel and his team are great people, and the system they impart is truly invaluable. Their course is concise, direct, and highly effective, encompassing all the essential areas that small and medium-sized businesses require to enhance efficiency and profitability!
Absolutely one of the best decisions I've made to grow my business
My collaboration with Manuel has proven to be an exceptionally wise decision, benefiting both my business and personal growth. When I first reached out to Manuel, my business was in its infancy, barely four months old. We were performing adequately, but I struggled with dedicating enough time to scale our sales and determining the most effective next steps.
Manuel's guidance, expertise, and insights were instrumental in transforming our approach. As we developed our sales funnel, we concentrated on identifying effective strategies and discarding those that weren't. This process of reflection and adaptation allowed us to refine our service offerings, creating solutions that genuinely captivate and interest our clients.
Now, after nearly six months of collaboration, we've achieved remarkable milestones. Our Monthly Recurring Revenue (MRR) has doubled, and we're on track to double it again in the next quarter, marking a 200% growth rate.
This journey with Manuel has not only helped in scaling my business but has also broadened my perspective and bolstered my confidence in achieving my goals. Six months ago, I was grappling with client acquisition and convincing them to choose our services, while earning a modest income as a new entrepreneur. Today, our focus has shifted to generating a six-figure turnover, even though the business is not yet a year old.
Increased Profit of the Agency 2.2x, decreased workload 3x
I was a part of the Flash Hub programme for Agency owners since December 2022 till December 2023 and we got an LMS system with detailed how-to video tutorials made by Manuel himself and 3-times per week calls.
Education was divided by two parts: working on the self-managing teams and client acquisition.
I've started from the teams and it was a great investment of my first half of 2023: I have made the structure of delivery team, their functions, scope of works, quality standards and hired two account managers and a delivery manager. This allowed me to decrease my workload by 3x times (to 2-3 whrs/day) and be out from the operations by 85%.
I have also worked on our productised offers, which allowed me to increase our profitability 2x times and sell much easier to clients.
With the free time I focused on client acquisition. Manuel presented his micro-test approach in facebook advertising, which allowed to test different pain-points of our target audience and started getting qualified leads already in 2 months of tests. As the result, we have increased the revenue +66% comparing last year.
I highly recommend the Flash Hub programme to those agency founders, who make at least £10k/mo. and have a small team yet, which they want to grow up with their business.
The FlashHub program is a great asset to any agency owner
The FlashHub program is a great asset for anyone building a development or marketing agency. Manuel has deep expertise in both areas through his years in the agency space and running his own successful business. There are resources to help with both acquisition and fulfilment of deliverables, which are now even better with the AI-related process enhancements that have been included. I highly recommend Manuel as a mentor. There are multiple calls per week and he is readily available to consult you through the challenges you face and provide appropriate solutions to your specific case.
Agency owners can’t afford not to use FlashHub
I’m the founder of a low-code software development agency solusign.com (you can check it out and I'll be happy to connect with you if you have questions or want to check that this review is genuine)
Before working with FlashHub:
- I had no idea how to work efficiently with my remote team of freelancers
- we lacked clarity on whether things were going to get done on time
- systems weren’t set up in a way that allowed efficient collaboration.
I tried setting up Clickup several times, spent several thousands of dollars on consultants, and countless hours mapping our process, but still, I wasn’t happy with the outcome.
I was always worried something was going to fall through the cracks, I didn’t sleep well anymore… Things were a big mess. Plus, I was meant to be a systems guy, so how come we were so inefficient with our internal operations?
All projects were different and had varying levels of complexity and tech… It was so hard to templatize things.
One day I found an ad on IG (or the add found me ;) and the add said something like 'Are you an agency owner working with remote teams?
During the 1:1 intro call, Manuel didn't try to sell me anything, he asked me questions and then explained how the program worked. I was super excited and joined.
The first thing that we did was to create a leadership system on ClickUp, and following the SCRUM methodology so that every project - even tho they’re different- is managed with the same framework.
Now I have peace of mind that things don’t fall through the cracks, and I don’t spend countless hours chasing my team for updates.
We have daily standup meetings, weekly review meetings, and planning meetings that add up to 4 or 5 hours per week in total. Before I spent at least 2 hours per day talking to my team.
The process took about 2 months, and the team feels less stressed.
Now that the systems are in place, Manuel and I are working on the marketing aspect to grow the business. I'm beyond excited about that.
What I liked the most working with Flashhub is that Manuel cares about your success. He’s not doing this just for the money. Of course he’s making a lot of money and that shows that he knows what he’s talking about anyway.
I was in a really dark place about to give up before I started working with him, I was burnt out. Flashhhub was my 'last shot'. I'm so glad I did it. Manuel really helped me feel like I wasn’t a failure, and it was normal to experience the emotions that I was experiencing at the time.
Also, the group coaching calls help me feel less lonely because it’s such a lonely road, this agency owner thing. Nobody understands the challenges, and there are many, and being surrounded by other entrepreneurs who get you is invaluable.
Over the past 4 years of running my agency, I’ve spent over $100,000 in coaching.
The investment with FlashHub was the absolute best because it’s so specific. If you’re in a software development or marketing agency and are considering joining, go for it. If you want to be successful in any business, you should look for who’s already successful and learn from these people. Manual owns both… successful marketing and software development agencies.
I hope this review will help you make an informed decision, maybe see you inside the program and if you want to ask further questions, you'll find my email on solusign.com (I can't write it here, it's not allowed by Trustpilot)
Deeply grateful
I am deeply grateful for having had the opportunity to participate in this exceptional course organized by Flash Hub. One of the most outstanding features is the chance to have face-to-face meetings with other professionals facing the same challenges. This interaction has greatly enriched my learning experience.
The constant updating of the content ensures that we always have access to the most relevant and up-to-date information. Additionally, the direct access to Manuel is unmatched. His quick response to any query shows his commitment and dedication to us, the course participants.
And, of course, I cannot fail to mention Manuel himself. His personalized approach and genuine interest in our success make this course not only educational but also inspiring.
Without a doubt, I give this course 5 stars and highly recommend it to anyone looking to enhance their skills in business organization with virtual teams, online sales, and personal organization.
Is it worth the money?
I enrolled in Manuel's Masterclass program a few months ago. Initially, I hesitated due to the cost, especially since we were still struggling with revenue and profitability challenges.
However, I'm so glad I took the leap. Within just a few months, under Manuel's guidance, I feel confident about turning things around and finally breaking free from the "hamster wheel" of chaos that our current business model with corporate clients presents.
If you're seeking a quick, 5-minute, ready-made, instant solution to your challenges, this maybe isn't the right place for you. In that case, you might be tempted to seek out something that promises the impossible – but chances are, you'll find your way back here.
It depends on what stage you are in your business but in our case tranforming our processes and business with Flashub system will take time. And a lot of hours, re-thinking and hard work.
However, the investment is worth every penny. With Manuel, you have an incredibly knowledgeable professional by your side, guiding you towards your ultimate goal. The videos and insights provided in the masterclass alone are worth far more than the price of admission. But it's on you to commit and make the most of it. With guidance and with someone that has gone through same issues this becomes much much simpler than trying to figure out every detail on your own.
Truly excellent training
Truly excellent training. The self paced course and the weekly masterminds have really helped me transform my business. I no longer feel like everything relies on me and I have the skills and tools to profitably scale.
Just made my first sale
The Flash Hub program facilitated by Manuel Pistner was a game changer for me and my company. I managed to build a sales funnel (Facebook and Instagram) which generates several high quality leads for software projects per week and I just made my first sale a few days ago :) The program consists of very detailed video courses regarding topics like marketing, sales and team organization. Each week there are 3 live video QA sessions, in which Manuel answers questions and gives suggestions on basically all questions related to entrepreneurship. He also takes the time to review any material like ad copies in detail by mail. His knowledge and experience is priceless. I love Manuel's structured and data-driven approach, which helped me not to get lost on the way and reach my goals. The support and exchange within the group is very motivating as well.
Practical and engaging!
I recently enrolled in the "Productizing Services using AI" program offered by Flashhub.io, and I must say, it has been a transformative experience. Manuel Pistner's expertise and guidance throughout the program have been invaluable. The course content is meticulously curated, providing actionable insights into leveraging AI for service-based businesses.
What stood out to me was the emphasis on creating a scalable business model that not only enhances efficiency but also ensures consistent quality. The AI-delivery system, which focuses on cloning one's knowledge into a digital format, is a game-changer. It ensures that teams can deliver high-quality results without constant supervision.
Moreover, the program delves deep into creating self-managing teams, crafting scalable offers, and setting up an automated sales system. These elements, combined with the insights from the program, have equipped me with the tools to scale my business while ensuring customer satisfaction.
Manuel's approach to teaching is both practical and engaging. He understands the challenges faced by today's businesses and offers solutions that are both innovative and feasible. The real-world examples and case studies provided further enriched the learning experience.
For anyone looking to harness the power of AI to scale their service-based business, I highly recommend this program. It's not just a course; it's a blueprint for success. Thank you, Manuel and the Flashhub.io team, for this enlightening journey!
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