PlainThink is an AI-first consultancy for enterprises. We decide where AI pays, build it inside your stack and governance, and hand it over to a team that can run it — explained in plain terms, with no slideware and no lock-in.
The technology is rarely the hard part. Most organizations stall in one of three places. We bring a practical strategy for each — and then implement it with you.
Pilots that impressed in a demo but never changed how work gets done. We redesign the workflow around the tool, so people actually use it.
Teams unsure what AI is for, what's allowed, or how it fits their role. We train by role, on your real work, and leave a playbook behind.
A long list of ideas and no agreed order. We score every use case on value, feasibility, data and risk, and give leadership a portfolio it can fund.
The same three steps in every engagement. Strategy only counts when it runs in production, so we stay through implementation — then leave your people able to carry on without us.
Agree the scope, review the evidence and decide which use cases deserve a build — with baselines and acceptance criteria set before any work starts.
Put one workflow or model into daily use, connected to your systems, with evaluation and human review, tested against a baseline.
A scorecard, runbook and handover: documentation, ownership, access controls and team training. We check in once, a quarter later.
A senior, hands-on team for a fixed number of weeks. Each engagement has defined outputs, clear acceptance criteria and the week you should expect to see value — so you know what you are getting before we begin.
For leadership teams with too many AI ideas and no agreed order.
For organizations that have picked a use case and need it working, with people using it.
For enterprises that want AI running in a function and a team that can carry it forward.
Green marks the week value is expected to show. Timings are typical; they depend on scope, data access and integrations and are agreed at scoping.
Clear acceptance criteria agreed before implementation begins.
Configured integrations, evaluation and appropriate human review.
Baseline metrics, success measures and a plan to evaluate impact.
Documentation, ownership, access controls and team training.
The Enterprise AI Readiness Assessment is fifteen questions for a leadership team to answer together. It scores five dimensions, shows where you are most likely to stall, and recommends which AI Lab engagement — if any — fits.
15 questions · about 10 minutes · results on screen, instantly
Sample result
52 /100
Stage 2 of 4: pilots running, adoption uneven, no shared prioritization.
Suggested next step: Focus Sprint, 3–4 weeks
Illustrative example, not a real client.
Each change is tested against a baseline, so results are real — not assumed. Adoption only lasts if people trust the output, so every engagement includes the evaluation and governance work that lets a risk committee say yes: test sets built from your real cases, LLM-as-a-Judge scoring, clear human review points, and a usage policy written in plain language.
Evaluation · Guardrails · Usage policy · Audit trail

Himanshu Sinha founded PlainThink after leading data science and AI transformation across several large enterprises, bringing emerging technology into teams that had to make it work. Along the way he learned that AI succeeds or fails on people, priorities and trust long before it fails on models.
Thirty minutes with a senior practitioner to find the practical next step — and whether you need us for it.
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