Assisto Labs
Sofia, BulgariaSoftware product studioOpen for new projects

Bring the problem.We'll build the product.

We don’t sell developers or engineering hours. You bring a problem, or a half-formed idea, and we hand back software that is designed, built, deployed and running.

No spec needed. A few paragraphs about the problem is enough to start.

[01]Start here

What should we buildfor you?

Start with the problem, not the solution you have already sketched. Rough ideas count. So does “this shouldn’t still be manual”.
Your problem

Plain language is fine. No specification needed.

This goes straight to us. A person reads it and replies within 1–2 business days. Nothing is scored by a bot on the way.

[02]What we build

Complete products,not project hours.

We don’t sell a technology list. We take responsibility for the product working, whatever that turns out to require across product, engineering, AI and infrastructure.

Retrieval over your own data. Agents that take actions. A copilot inside a product you already have. Automation that empties a queue somebody currently works through by hand. We treat AI as an engineering problem: it has to be grounded, measured, bounded in cost, and it has to fail in a way you can live with. A prompt in a text box isn’t a product.

  • Retrieval over your own content, with the source shown next to the answer
  • Agents that only take actions you’ve approved
  • Evaluation sets, so answer quality is a number rather than a feeling
  • Cost ceilings, latency budgets, and a plan for when the model is wrong

Sign-up, roles and permissions, tenant isolation, subscription and usage billing, an admin you can live in, a documented API. Most of that list is invisible in a pitch and unavoidable in week two. We’ve built one of these for ourselves and run it in production, so we know which parts hurt.

  • Authentication, roles, teams and per-tenant data isolation
  • Subscription and usage billing: plans, limits, upgrades, the awkward edge cases
  • Customer dashboards, plus the internal admin your own team will live in
  • A documented API and webhooks, so somebody can build on top of you

Approval flows, back-office systems, review queues, scheduling, reporting. Nobody demos this software, and it quietly sets how fast the company can move. It has to be quick, obvious and correct, because the people using it are in it all day.

  • Workflow and approval systems with an audit trail that holds up
  • Dashboards built around the decisions people make, not the data you happen to have
  • Role-based access, so the right people see the right things
  • Bulk actions, search and exports: the things users ask for in week two

Internal developer platforms, deployment and environment tooling, observability, incident workflows, policy and access surfaces. We’re building for engineers, which helps, because we’ve been on the wrong end of most of these tools ourselves at three in the morning.

  • Internal developer platforms and self-service environments
  • Observability, alerting and incident tooling wired to how your team works
  • Kubernetes, CI/CD and deployment tooling built around your constraints
  • Security and policy surfaces: audit, access review, secret handling

Plenty of companies don’t need another system. They need the ones they already pay for to talk to each other without somebody watching. Sync, event pipelines, webhooks, reconciliation, and the retry logic that keeps everything correct on the day a third-party API is having a bad time.

  • Integrations with the platforms you already pay for
  • Event pipelines and webhooks that are idempotent and safe to retry
  • Reconciliation and monitoring, so a broken sync shows up as an alert
  • Manual processes moved into scheduled jobs you can watch

Something else? This is a list of patterns, not a menu. Describe the problem and we’ll tell you whether we’re the right team for it. Sometimes the answer is no, and you’ll get it quickly.

All categories ↗
[03]How it works

From a conversationto production.

The same team carries the product the whole way. No handover to a second vendor, and no “that is out of scope” at the exact point it starts to matter.
[01]

Tell us the problem

No specification required.

A few paragraphs are enough. Tell us what’s slow, manual, missing or broken, and what it costs you. If you already have a spec we’ll read it, and we’ll still ask why.

  • A written answer by email
  • Our view on whether it’s worth building at all
[02]

We shape the product

Deciding what to build is most of the work.

We turn the problem into a product: what it does, who it’s for, what the first version leaves out on purpose, how it’s put together, and what we can realistically ship first. You get something concrete to approve, argue with or reject.

  • Product scope and non-goals
  • Architecture and stack decisions
  • A first-version plan with a timeline
[03]

We build it

One team, one codebase.

Product, design, frontend, backend, data, AI and infrastructure, all by the same people. You get something you can open in a browser early, and then again every week. Not a status report.

  • Software running in a real environment from week one
  • Releases often enough for you to change your mind
[04]

We ship it

The unglamorous half.

Deployment, environments, tests, monitoring, backups, access control, and the launch itself. This is the half that decides whether the thing is still standing a month later, so it gets built alongside everything else instead of bolted on at the end.

  • Deployed and monitored production environment
  • Handover, documentation and access
[05]Optional

We keep going only if you ask

Never automatic. Never a retainer you forget you’re paying.

By default the project ends at handover: the code, the infrastructure and the accounts are yours. If you later want a second version, more features, or for us to keep operating it, we scope that and add it to the contract. We don’t sell standing 24/7 support you may never use.

  • A scoped addition to the contract
  • Only the work you asked for
[04]Anatomy of a product

A product isfive layers deep.

Skip one of them and you get a demo that never becomes a product. Open each layer to see what ships inside it.
Layer 01Product

The decisions that happen before any code

What the product does, who for, and what the first version leaves out on purpose. Most of the risk in a project is decided here, before anyone opens an editor.

  • Problem framing and scope for a real first release
  • User flows and states, including the empty ones and the broken ones
  • Design system, not a set of screens
  • What ships now, and what we design for but do not build yet
Product designFigmaDesign system

We have built and run all five of these layers on a multi-tenant AI SaaS product of our own. That is where the list above comes from.

See the build ↗
[05]Why AssistoLabs

Six things thatchange the outcome.

01

We argue about the product first

A requirements list isn’t a brief. Deciding what should exist, and what shouldn’t, is where most of the value is. Expect push-back before anyone writes code.

02

One team from idea to production

Product, design, frontend, backend, AI and infrastructure sit in the same room. Nothing gets lost between an agency, a freelancer and a hosting provider.

03

Built for production

Authentication, tenant isolation, migrations, rate limits, backups, monitoring. Nobody asks for any of it in the first conversation. It’s the reason the software still works six months later.

04

AI where it earns its place

We build serious AI systems: retrieval, evaluation, guardrails, cost control. We’ll also tell you when a good schema and a queue would do the job better. Not every problem is a chatbot.

05

We’ve been on call for our own software

We’ve carried our own products through production, incidents included. When you’re the one getting woken up, you design differently, and that shows up in what we build for other people.

06

We build our own products too

We designed, shipped and ran a multi-tenant AI SaaS platform of our own: billing, integrations, tenants and everything underneath them. Client work is built to the same standard.

[06]What a project looks like

Problem → ProductOutcome.

Examples of the kind of work we take on. They are illustrations, not case studies: we don’t publish client names, and we are not going to invent percentages.
01AI Products
Problem
A support team reads and routes several hundred inbound emails a week by hand.
Product
A system that reads each message, routes it, and drafts a reply for a human to approve.
Outcome
The queue triages itself. People spend their day on the messages that need judgement.
02Internal Tools
Problem
Infrastructure changes get approved in chat threads, with no record of who approved what.
Product
An internal approval platform with request templates, reviewers, policy checks and an audit trail.
Outcome
Every change has an owner, an approver and a history. The process stops depending on who is online.
03SaaS Platforms
Problem
A service business delivers the same work by hand for every client and cannot grow past its headcount.
Product
A multi-tenant SaaS product: accounts, roles, billing, customer dashboards and an internal admin.
Outcome
The service becomes a product that can take a new customer without adding a person.
04Developer & Infrastructure
Problem
Every production incident gets investigated from scratch by whoever happens to be awake.
Product
An incident assistant that pulls logs, metrics, recent deploys and prior incidents into one timeline, with a first hypothesis.
Outcome
Investigation starts from context instead of a blank page, and the knowledge stops leaving with people.
[07]Stack

What we build with.

This is not a menu to choose from. It is what the products we have shipped are built on, published so you can judge whether the thing you end up owning stays maintainable by someone other than us. We pick per product. Boring where boring is right, modern where it earns its place, and never so exotic that we would be the only people able to keep it running.
01

Web

  • TypeScript
  • React
  • Next.js
  • Tailwind CSS
02

Mobile

  • React Native
  • Expo
03

Backend

  • Python
  • FastAPI
  • Node.js
  • SQLAlchemy
04

Data & AI

  • PostgreSQL
  • Redis
  • Qdrant
  • RAG
  • LLM APIs
05

Operations

  • Docker
  • CI/CD
  • Caddy
  • Observability

Tell us the problem.That is enough to start.

It doesn’t have to be a finished idea. Turning it into one is our half of the work.