CognitoCoding All posts
8 June 2026 7 min read by Eris Taylor

Best AI Executive Assistant UK 2026 — Private, Configured, Yours (Not a Chatbot)

ai assistantapolloexecutive assistantprivacyuk small business

If you search "best AI executive assistant UK 2026" you get two types of products: productivity schedulers (Motion, Reclaim) and general-purpose AI wrappers with 200+ integrations (Lindy, Copilot). Both categories are useful for something. Neither is actually an executive assistant.

Here's what a real EA does: they know your business. They know which emails matter, how you structure your week, what your client relationships are, and how you want information delivered. They are configured to you — not the average user of a SaaS platform with a million other subscribers.

Most AI tools that get recommended in 2026 are built the opposite way. Designed for everyone, configured for no one. You connect your Gmail, toggle some settings, and run on the same shared cloud infrastructure as everyone else. Your business context gets fed into their servers. Your data doesn't leave the building — theirs.

If you're a UK founder or busy professional looking for something that genuinely replaces a VA, this is the comparison you need.


Quick Comparison

Lindy Motion Gemini Sai (Simular) Apollo
Deployment Shared SaaS Shared SaaS Google Cloud Desktop agent Private Docker
Your data Their servers Their servers Google's servers Your desktop Your container
Interface Web dashboard Web + mobile Chat / Workspace Desktop app Telegram
Configured for your business Partial No No Partial Yes
UK data residency No No Partial N/A Yes (self-hosted)
Credit/overage charges Yes Yes Yes N/A No
Monthly cost $19.99–$49.99 $19–$29/seat ~£22/user Not public £29 flat
One-off build fee (you own it) No No No No £99

Lindy — Powerful, But Cloud-Only and Credit-Heavy

Lindy is the most capable general-purpose AI automation platform in this comparison. It offers a no-code agent builder, 200+ app integrations, and genuinely solid email and meeting management. If you want to automate workflows without writing code, Lindy is impressive.

What it does well: Email triage, meeting summaries, CRM updates, task routing. The template library is extensive and the setup is fast.

The problems:

It runs entirely on Lindy's cloud. There is no private deployment option, no self-hosting, and no way to keep your business data off their infrastructure. For UK founders with GDPR obligations or client confidentiality requirements, that matters.

The pricing model is also deceptive at first glance. The Starter plan looks cheap at $19.99/mo — until you realise that complex workflows burn through credits fast, and advanced AI model calls cost 10× the base rate. Your real monthly cost scales unpredictably.

More fundamentally: Lindy knows what you configure in the UI. It doesn't know your business. You're using templates built for the average Lindy customer, not a system scoped to how you specifically operate.

Best for: Founders who want fast automation wins and are comfortable with a US SaaS credit model.


Motion — Calendar Optimiser, Not an EA

Motion regularly appears in AI assistant round-ups, but that's a categorisation error. Motion is an AI scheduling and task management tool. It automatically prioritises your to-do list and arranges your day around deadlines and meeting blocks.

What it does well: If your main pain is an overloaded calendar and too many competing tasks, Motion is genuinely excellent. The auto-scheduling is smart and the daily plan it builds is useful.

The problem: It is not an executive assistant. You cannot ask Motion to draft an email, brief you on a client relationship, manage a pipeline, or handle a complex multi-step workflow. It plans your day. That's a single, narrow value proposition — useful, but not what most people mean when they say "I need an AI EA."

At $19–$29/seat/month it's a reasonable productivity tool. It just isn't a VA replacement.

Best for: Teams who want smarter scheduling and task prioritisation. Not a conversational EA.


Gemini — Google's AI, Google's Agenda

Google Gemini (integrated into Google Workspace) is capable in the way all large-model AI is capable: it can draft, summarise, research, and reason. If your whole working life is in Google, there's natural pull toward it.

What it does well: Deep integration with Gmail, Docs, Drive, and Meet. "Summarise this email thread" or "draft a reply in my tone" — Gemini does these things quickly and well.

The problems:

It's a generic AI interface, not a configured assistant. Gemini doesn't learn your specific workflows, your client relationships, or how your business operates. Every interaction is essentially stateless unless you manually rebuild context. The AI is calibrated for hundreds of millions of Workspace users — not for your particular situation.

And: your queries, emails, and documents are processed on Google's infrastructure. You are not just a customer; the data flows inform a system serving the entire Workspace ecosystem.

There's also no concept of "your EA" here. You're accessing a shared model. Gemini is a useful tool added to your existing Google subscription — it's not a dedicated assistant built around you.

Best for: Existing Google Workspace users who want light AI assistance layered in. Not a private, dedicated EA.


Sai by Simular — Computer-Use Agent, Research-Grade

Sai is technically the most interesting product in this comparison. Simular builds computer-use AI — meaning Sai operates your actual desktop, using the UI the way a human would. They led the OSWorld computer-use benchmarks. It's genuinely impressive.

What it does well: Real desktop automation. Filling forms, navigating UIs, performing actions across applications without API integrations. For repetitive desktop workflows, this is frontier-level capability.

The problems: Pricing isn't publicly listed — this isn't a product with a clear monthly price or purchase flow for UK SMEs. The computer-use model is powerful but brittle and session-dependent. And it's not a conversational EA that briefs you, tracks your pipeline, or knows your business context. It's an agent that operates your screen.

It's also still research-grade. Impressive for technical users and automation enthusiasts — not the "private, always-on EA" that a founder replacing a VA actually needs.

Best for: Technical users who want to automate complex desktop workflows. Not a typical VA replacement.


Apollo — Private, Configured, Deployed for You

Apollo is a single-agent AI executive assistant from Cognito Coding. The model is fundamentally different from every product above.

Your own container — your data stays yours

Every Apollo client gets a bespoke build: a Docker container deployed for their business, not a SaaS account on shared infrastructure. Your data doesn't leave your deployment. For UK founders with client confidentiality obligations, GDPR requirements, or simply a preference for not having their business operations on someone else's cloud — this is the material difference.

You pay a one-off build fee starting from £99. You own the container outright. After that, £29/month covers hosting and maintenance if you want Cognito to run it. Flat rate. No credit model. No overage charges.

Built for how you work, not how the average user works

Apollo is configured to your workflows before you start using it. The custom skills system means Apollo learns how you handle communications, how you like to be briefed, which tasks to automate, and how your business runs. This isn't a settings toggle in a SaaS dashboard — it's a build scoped to your actual working life.

Telegram-first

Apollo lives in Telegram. That's a deliberate choice: Telegram is end-to-end encrypted, available on every device, and most founders already use it. There's no new app, no dashboard to manage. You send a message; Apollo acts.

The proof

Cognito Coding runs on this exact model in production. Zero (our founder) talks to Nova, our AI co-founder. Nova conducts the full agent roster — CMO, Scout, CFO, CTO — underneath. That's the same relationship Apollo creates for you. One point of contact. Everything underneath handled. You never manage the stack.

See the live demo at apollo.cognitocoding.app →

Pricing: build from £99 (one-off — you own the container) + £29/month hosting. Integrations with your existing tools included. No credits, no tiers, no surprises.

For more on how this fits into a broader AI automation setup, see our AI automation agency services page.


The Honest Verdict

Lindy is the best self-serve AI automation tool if you want fast setup, don't mind a credit model, and are comfortable with a US cloud. Strong product.

Motion is excellent if your specific problem is calendar chaos. It's not an EA.

Gemini is useful if you're already paying for Google Workspace and want light AI assistance without adding a new subscription.

Sai by Simular is genuinely exciting for technical users — but it's not a finished product in the VA-replacement sense yet.

Apollo is for founders and professionals who want a private, configured, actually-yours AI EA. One that knows your business. One that lives on your terms, not a shared SaaS platform. One that costs a flat £29/month after a one-off build you own outright.

If the differentiators that matter to you are data privacy, business-specific configuration, and a flat predictable cost — Apollo is the only product in this comparison that delivers all three.

Click through to the live demo →