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Proof-led product, engineering & GTM

Validate what matters. Build what earns it. Turn signal into traction.

Proof Engine Studio combines validation, product engineering, AI workflows, and GTM execution so teams can make better product decisions, ship sharper software, and create growth systems grounded in evidence.

25

Proof cases across 10 industries

2011

Shipping products, platforms, and apps since

2–3 wks

Typical Validation Sprint

20+

Specialists we can mobilize per engagement

Four ways to work with us

Validate

Proof and decision quality before more build, budget, or conviction.

Build

Product, AI workflow, and engineering work tied to evidence.

Grow

First customers, pilots, GTM motion, and early traction.

Scale & Partner

Market entry, operating systems, modernization, and co-build.

Most product work breaks when proof, build, and GTM split apart.

Development teams build specs before the customer is clear. Marketing teams push offers before the segment is sharp. Strategy work produces slides that never become product or pipeline.

Proof Engine keeps the product thesis, build scope, and GTM motion inside one evidence loop.

ProofBuildGTMevidence changes what gets built nextmarket response changes what is provenwhat we build changes what can be sold
  • ProofBuild: evidence changes what gets built next
  • ProofGTM: market response changes what is proven
  • BuildGTM: what we build changes what can be sold
  • Build decisions should be tied to customer, workflow, or market evidence.
  • GTM should reveal what product, offer, segment, and channel deserve more investment.
  • AI and automation work should prove workflow value before becoming a larger platform.
  • Market expansion should be tested before a team, budget, or roadmap is committed.
Where are you now?

Start with the decision in front of you.

The right offer depends on stage, evidence, and what would make the next move worth it.

Idea or pre-product

Should this be built at all?

Best starting point: Validation Sprint or Validation MVP Build.

Explore the path →

MVP but weak traction

Is the issue product, ICP, positioning, or channel?

Best starting point: MVP Diagnostics & Repositioning or Demand Validation Sprint.

Explore the path →

Early revenue or seed stage

How do we turn signal into a repeatable motion?

Best starting point: First Paying Customers, Pilot-to-Revenue, or First Traction System.

Explore the path →

Scaling product team

How do we build, instrument, or automate the next growth path?

Best starting point: Product Growth & GTM OS, Dedicated Squad, or AI Workflow Build.

Explore the path →

Mature company, new initiative

Can we validate and ship this without a long corporate project?

Best starting point: Validation Sprint, Market Entry Proof, or AI Workflow Build.

Explore the path →

Fund, syndicate, or studio

Is this opportunity investable or worth deeper support?

Best starting point: Portfolio Proof Program or Co-Build / Joint GTM Partnership.

Explore the path →
The evidence loop

One evidence loop, not three disconnected vendors.

We do not treat validation, build, and GTM as separate phases owned by separate vendors. We run them as one evidence loop: define the riskiest assumption, build only what the test or motion needs, expose it to the right users or buyers, interpret the signal, and decide the next allocation.

  1. 1Define the questionproduct, market, workflow, growth
  2. 2Find the riskiest assumptionwhat could break it
  3. 3Build the smallest testsmallest credible asset
  4. 4Test with real peopleusers, buyers, partners, market
  5. 5Read the signalbehavioral, commercial, structural
  6. 6Decide the next movecontinue, build, pilot, scale, stop

See the methodology →

Case studies25 cases · 10 industries

The track record behind the evidence loop.

A sample of what the studio and its team have shipped and proven — scroll for more, or see the full catalog below.

Generated illustration of restaurant computer vision and AI automation workflowsConsumer & Hospitality

Get Inn restaurant AI automation

  • Product & MVP
  • Data, AI & Automation
  • Teams & Delivery
  • IoT & Computer Vision

The product needed a credible proof of concept fast, without losing the path to production delivery.

Compressed the typical proof-of-concept cycle to two weeks and established a production-minded delivery team.

Generated illustration of search intent routed into two competing ad groupsHealth & Telemedicine

Clinic acquisition for a telemedicine platform

Google Ads · EU · B2B

  • Demand & Acquisition

Demand had to be captured from clinics already looking for a telemedicine solution, which made search intent — not audience targeting — the thing to get right.

20 conversions at €288.87 from €5,777 of spend at a 5.2% click-through rate.

Generated illustration of creator revenue data flowing through underwriting and risk controlsFintech & Crypto

Revenue-based capital platform for creators

  • Product & MVP
  • Platforms & Marketplaces
  • Data, AI & Automation

The team needed evidence from both sides of a financing marketplace before building a broad creator platform.

Narrowed the opportunity to creators with measurable recurring income and defined underwriting as the next proof gate.

Generated illustration of resilient telecom telemetry and analytics infrastructureEnterprise & Public Sector

Mission-critical telecom telemetry and accounting

  • Architecture & Reengineering
  • Scale & Infrastructure
  • Data, AI & Automation

A mission-critical system needed reliable streaming, analytics, integrations, and materially better cloud economics.

Cut cloud infrastructure cost fourfold while preserving the operational data flows the business relied on.

Generated illustration of small fractional stakes aggregating into property investmentReal Estate & Proptech

Investor acquisition for a fractional property app

Meta Ads · UK · B2C

  • Demand & Acquisition

Fractional ownership had to be explained and sold inside a single ad, to people who assume property investing needs a large budget.

33 website leads at £1.93 on £63.71 of spend and a 4.69% all-click rate.

Generated illustration of a connected city feeding a real-time analytics platformAI & Data

Urban-Intel high-throughput data platform

  • Architecture & Reengineering
  • Teams & Delivery
  • Scale & Infrastructure

Monitoring, control, analytics, and immersive visualization had to work across a high-volume enterprise data estate.

Deployed a platform processing 1+ TB per day and expanded the product surface with Unity3D, Canvas3D, and HoloLens experiences.

Who you'd work with

A small senior team, not a bloated delivery layer.

15+ years in product and commercial development between the founders, who stay hands-on from the first framing call to the final recommendation. More about the team and how we work →

Offer families

Work with Proof Engine by stage, not by service category.

Validate

For teams that need proof and decision quality before more build, budget, or conviction.

Core offers: Validation Sprint, Demand Validation Sprint, MVP Diagnostics & Repositioning.

Explore Validate

Build

For teams that need a product, workflow, AI system, or technical workstream built with product judgment.

Core offers: Validation MVP Build, V1 Product Build, AI Workflow / Internal Product Build, Product Engineering Support, Dedicated Product Squad.

Explore Build

Grow

For teams that need first customers, paid pilots, GTM motion, developer ecosystem growth, or early traction.

Core offers: GTM Motion Buildout, First Paying Customers, Pilot-to-Revenue, First Traction System, Developer Ecosystem Growth.

Explore Grow

Scale & Partner

For teams and partners that need market entry proof, growth systems, modernization, portfolio validation, or co-build work.

Core offers: Market Entry Proof, Product Growth & GTM OS, AI / Data / Cloud Modernization, Portfolio Proof, Co-Build / Joint GTM.

Explore Scale & Partner
Featured offers

Common starting points.

Validation Sprint

For early ideas, product theses, mature-company initiatives, or partner opportunities that need a first proof checkpoint.

See the offer →

V1 Product Build

For teams that need to turn enough proof into a real product foundation.

See the offer →

AI Workflow / Internal Product Build

For teams that need AI, automation, or internal tools tied to a real workflow and business outcome.

See the offer →

First Paying Customers Program

For founders and early teams that need to find a niche, shape a paid offer, and get to first customer conversations.

See the offer →

Market Entry Proof Program

For companies exploring a new geography, vertical, segment, ICP, or partner channel before committing budget.

See the offer →

Portfolio Proof Program

For funds, syndicates, accelerators, and communities that want repeatable validation, build, and GTM support.

See the offer →
Proof by pattern

Proof across product, infrastructure, GTM, and market systems.

Proof Engine's experience is broad. We organize that breadth by proof pattern, not by a raw list of industries or tools.

Developer ecosystem growth

Open-source, DevRel, Web3 developer tools, protocol partnerships.

Marketplace & two-sided growth

Supply and demand acquisition, investor onboarding, creator or asset-side structures.

Enterprise data & AI systems

DWH, governance, LLM workflows, analytics validation, high-volume data contexts.

Infrastructure-heavy products

IoT, cloud-native systems, telemetry, fintech, payments, Web3 infrastructure.

Consumer & mobile products

Mobile apps, marketplace apps, creator/influencer growth, consumer acquisition.

Market entry & first customers

Niche selection, customer research, pilot design, early pipeline.

See case studies →

Who it is for

Best when the next decision matters.

Best fit

  • Serious founders with a real product thesis
  • Experienced operators preparing to become founders
  • Post-MVP teams with weak traction
  • Seed to Series A B2B or technical companies
  • Mature companies launching new initiatives
  • Funds, syndicates, venture studios, and partners

Not a fit

  • Teams looking for the cheapest development capacity
  • First-time founders with no budget, urgency, or concrete decision
  • Companies that want paid ads without revisiting product, offer, or funnel logic
  • Buyers who want a team to ship a fixed spec without questioning the product logic
Before you bring us the decision

Frequently asked questions

Proof-led execution means every product, build, AI, or GTM decision is tied to evidence from users, buyers, workflows, or the market. We start with the decision you need to make, identify the riskiest assumption, build the smallest credible test or asset, expose it to the right people, and use the signal to decide whether to continue, build, pilot, scale, or stop.

Validation is still central to how Proof Engine works, but the studio now supports the decisions that come after validation too. Teams can work with us on validation, MVP or V1 product builds, AI workflows, GTM motion, market entry, and partner programs when those workstreams need to stay connected to evidence.

Proof Engine sits between product judgment, engineering execution, and GTM learning. A dev shop usually ships a defined spec. A marketing agency usually optimizes channel output. A strategy consultant may stop at recommendations. We help define what needs to be proven, build what the proof requires, and turn the resulting signal into product or GTM action.

Proof Engine is best when a team has a meaningful decision in front of it: whether to build an idea, fix weak traction, turn early signal into pipeline, validate a new market, automate a workflow, or support a portfolio company. It is a strong fit for serious founders, seed to Series A B2B or technical teams, product operators, mature-company initiatives, and funds or venture studios.

Start with the offer family that matches the decision and evidence gap. Choose Validate when the main question is whether the opportunity deserves more investment. Choose Build when there is enough proof to create a product or workflow foundation. Choose Grow when first customers, pilots, or GTM motion are the bottleneck. Choose Scale & Partner when the work involves market entry, operating systems, modernization, portfolio support, or co-build.

A typical engagement starts by clarifying the decision, evidence standard, constraints, and next allocation. From there, Proof Engine maps the riskiest assumption, designs the smallest credible test or build scope, runs the work with real users, buyers, or internal stakeholders, and turns the signal into a recommendation: continue, build, pilot, scale, reposition, or stop.

No. A Validation Sprint and Demand Validation Sprint include enough discovery inside the sprint itself, so a fit call and intake are enough. Larger builds, programs, retainers, and partnerships usually start with a short paid discovery that defines scope, timeline, team shape, and the recommended path before execution begins.

Credible proof is evidence that changes a product, GTM, investment, or operating decision. Depending on the stage, that can include paid intent, customer conversations with clear pain, LOIs, pilot opportunities, usage behavior, workflow data, retention signals, qualified pipeline, partner interest, or a strong negative signal that prevents waste.

Yes. When the evidence supports a build, Proof Engine can help create a validation MVP, V1 product foundation, AI workflow, internal tool, or product engineering workstream. The scope is shaped by what has been proven and by the next decision the product needs to support.

Yes, when the product, segment, and offer are ready enough for market contact. Proof Engine can help define the niche, sharpen the paid offer, build outreach and follow-up assets, run first customer conversations, and design pilot paths. The goal is credible commercial signal and a repeatable learning loop, not vanity activity.

Yes. Proof Engine builds AI workflows, internal tools, automation systems, data/analytics workstreams, and operating systems when there is a real workflow and business outcome to prove. The work should answer questions such as who uses it, what decision or task improves, how value is measured, and whether the workflow deserves a larger platform investment.

Then the engagement has done its job. A strong negative signal can save budget, focus the roadmap, expose a weak ICP, reveal a channel problem, or point to a smaller opportunity. Proof Engine's role is to make the next move clearer, even when the answer is to stop, narrow the scope, reposition, or test a different path.

No. Proof Engine does not guarantee customers, revenue, pilots, fundraising, or investor outcomes. We design the work to improve decision quality, generate credible signal, create better customer conversations, and make the next product or GTM allocation less speculative.

You do. IP for everything Proof Engine builds under a paid engagement transfers to the client. We may describe the work afterwards, but only anonymized or with your explicit permission — every proof point is classified by permission level before it is published. See how proof is published.

The minimum engagement is $4,500, which covers a two-to-four-week scope. Everything beyond that is scoped per situation, because a validation sprint, V1 build, AI workflow, first-customer program, market-entry test, and partner engagement require different levels of effort. If the budget is still uncertain, share the constraint and the decision first.

The studio runs from two core locations: Buenos Aires, Argentina and Belgrade, Serbia. Between them the team covers American and European working hours, and the extended bench adds further coverage when an engagement needs it. Tell us where your team sits.

No. Proof Engine can hold the product, engineering, and GTM work itself. What matters more is a clear decision, a real constraint, and someone who can act on the outcome. The poor fit is a team with no budget, no urgency, and no concrete decision, regardless of technical background.

You are probably too early if there is no budget, no urgency, and no concrete decision to make. Being pre-product, pre-revenue, or pre-team is not too early: validation exists for exactly that point. The test is whether something actually changes based on what the work finds.

Bring the decision you need to make, the stage you are in, the evidence you already have, and what would make the next move worth it. Useful context includes the product or idea, target customer, current traction, constraints, budget range, timeline, and any brief, deck, demo, analytics, or customer notes you can share.

Contact

Bring us the decision you need to make.

Tell us where you are, what you are trying to prove, and what would make the next move worth it.

Kirill Artsymenia, Founder of Proof Engine

Founder, Proof Engine

Kirill Artsymenia

Reads every brief personally. Usually replies within 24h.

Opens your email app with the brief pre-filled.Book a routing call

Prefer a conversation first?

If you would rather talk it through before sending a brief, book a short routing call and we will point you to the right next step.