
- Slack access
- Same-day response
- No queue
- Design + Dev team

A senior team on a monthly plan — or a fixed-price build when the scope is clear. iGaming, Web3, esports and fintech. 400+ products shipped. Top Rated on Upwork. Clutch 5.0.






For teams with their own developers

For teams that need design shipped, not just handed over

For live products that need a full team on standby


We’ll scope your project, define the right package, and give you a clear plan — no strings attached.

Choose what fits: monthly subscription for ongoing work, or fix-price for a defined project. Both models include the same senior team.

We iterate until you’re fully satisfied. No change order fees, no surprises on invoice.

Slack from day one. Talk to designers and devs directly — no account managers.

Core plan delivers within 1 business day. Elite and Supreme — same day. Your requests never sit in a queue for days.

Senior designers and developers with deep expertise in product design, UI/UX, React, and full-stack dev. No juniors on your projects.

















High-converting affiliate and review platforms for iGaming operators. SEO-first architecture, comparison tables, bonus widgets, and CMS that your team can run without developers.


Casino operators lose players at onboarding, lobby, and cashier — the three screens where GGR lives. We design and build platforms that retain, convert, and comply. 50+ iGaming products shipped. NDA-first. MGA/UKGC-aware.

High-converting affiliate and review platforms for iGaming operators. SEO-first architecture, comparison tables, bonus widgets, and CMS that your team can run without developers.


Battle mechanics, raffle systems, case-opening, real-time odds — we build the full platform from concept to launch. No one on the market offers a ready packaged solution for Skin Battle. We do.

From team identity to live tournament platforms. Full-stack esports products built for orgs, operators, and gaming startups that need to perform on launch day


From GameFi mechanics to DeFi dashboards. We turn blockchain complexity into interfaces people actually understand and use. TVL-focused UX. Wallet-native flows. Compliance-aware.
Full-stack development for non-standard scope — get a custom quote

A fixed block of hours each month at $50/hr — against $65/hr for ad-hoc work. You also get Slack access and priority, so nothing sits broken while you look for someone free.



At 10 hours a month a retainer already costs less than ad-hoc work — and you keep the same team that built the product.




Fill the brief or book a 30-min call. We respond within 24h. No forms, no wait.

We run a discovery call, scope the project, and send a proposal with fixed price and timeline. No strings.

NDA signed, workspace set up, first task delivered within 48h. You stay in Slack from day one.
“One of the best design studios in the design game. Period. Do yourself a favor – fire your designer, and hire these guys.”
“Sergey and the team at Tresor.tech are excellent. Their UI/UX design work is easily the best I’ve found anywhere. Even after testing a handful of other designers over the years, I can confidently say their work is exceptionally strong. I would enthusiastically work with them again for future projects & I’d highly recommend them to anyone”
“Sergey and his team successfully completed a very complex project for us. They have delivered a professional design of International quality as well as nuanced programming for our platform. We also had significant delays with content from our client and he was also very patient with this. We will certainly be using him again in the future.”
“Sergey is very likeable and it feels good to work with him. He tries his best and always delivers on everything that is agreed to in the contract even if the task is way more difficult that initially expected.”
“Sergey and his team finished the project with very good quality in few days adapting to our development team and technical specifications of technology stack and deployment. I recommend their services.”
“Sergey was very helpful and cooperative in building out a website with some specific complex functionalities! We had some changes mid-way through which he accommodated to make sure what we wanted was up to spec and he also provided valuable input from his experience and expertise. Would recommend working with him!”
“Sergey and his team delivered an amazing job! He’s also friendly, very clear in his communications, immediately available and always trying to go the extra mile for his clients. I will definitely work with him again in the future!”
“Sergey is a real professional and expert in the field of design and project development. He did a work with an excellent quality and high speed. I recommend you him as the expert in any tasks in the sphere of web development.”
“Sergey + team were able to deliver top results at regular intervals. I very much appreciate getting the opportunity to work with them, and would gladly do it again.”
“Sergey is great at communication and I will be most defiantly recommending his work”
“All of Tresor.tech’s work was very polished, cohesive, and professional.”
“We’re impressed with Tresor.tech’s honesty, dedication, and the quality of their work.”
“They were the best design company we ever worked with by far. Tresor deeply understood design.”
“The most impressive thing was the team that worked with us, which made everything clear and on time.”

This is Sergey, Tresor’s CEO. Feel free to text him and get all the answers you need.
A subscription gives you a dedicated team for a fixed monthly cost — you pay for time and ongoing output. A fix-price project has a locked scope, defined deliverables, and a set price. Choose subscription for continuous work, fix-price for a defined launch.
Yes. We can sign an NDA before any call or discussion — just ask.
We accept PayPal, Wise, and bank transfer. Crypto available on request.
We kick off with a short discovery stage, followed by a 1-day onboarding. First deliverable lands within 48 hours.
Yes. A retainer is ongoing support after your product launches — not a full team subscription. You get a fixed pool of hours, priority queue, and Slack access. Ideal for maintenance, updates, and quick fixes.
You can cancel anytime. Minimum billing cycle is 1 month — no lock-in, no penalty beyond that.
We are a white-label agency. We work as a subcontractor for Western digital agencies at $50/hr — fully under your brand, NDA signed, no client contact unless you want us to.
Both. For agencies we work as a subcontractor fully under your brand — NDA signed, no contact with your client unless you want it. Dedicated whitelabel resources run monthly: a designer at $2,900, a developer at $3,500, or the two together at $5,760.
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