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Customer Story

|Mar 12, 2026

Tax planning: From data processing to strategic work

Letting AI handle the groundwork so advisers can focus on judgement calls.

Bob Appleby - Tax Manager at Blu Sky

Bob Appleby

Tax Manager at Blu Sky

“Coco does the first pass which allows me to spend more of my time on the complex parts of tax and the judgement calls.”

Bob Appleby

Tax Manager, Blu Sky

The two parts of tax work

Tax work has a pattern to it. There's the technical bit - the research, the legislation, the computation - and then there's the judgement: knowing what applies, what to flag, what the client should actually do.

Most of the time, in practice, goes on the first part, which leaves less room for the second.

Blu Sky Chartered Accountants use Coco, an AI coworker built by Combinely, to assist across their tax workflows: from returns and R&D claims through to SEIS applications and client advisory.

How the tax team uses Coco

Bob Appleby is the firm's Tax Manager. He uses Coco to speed up the process of reviewing tax returns, checking computations, and to do first-pass research on things like treaty analysis and relief claims.

On the R&D side, their specialist Davide Di Maio uses it for similar processes: reconciling eligible costs against the accounts and reviewing the tax computation.

In both cases, Coco helps to pull the groundwork together faster, allowing the adviser to focus on the judgement calls.

Enabling junior team members

Henry Cotson is a tax accountant at the firm. Coco supports day-to-day junior work: P&L and EBITDA calculations, (S)EIS applications and tax research.

But with Coco handling the groundwork on those, he has more time to tackle something you wouldn't usually expect at his level: proactively identifying tax planning opportunities across the client base.

Henry Cotson

“The models Coco produces are detailed enough that I'm tweaking assumptions, not building from scratch.”

Henry Cotson

Tax Accountant, Blu Sky

AI across the whole tax function

What stands out about Blu Sky isn't any single use case. It's that AI runs through the whole tax function, acting as another member of the team and making time for the more complex, human work Blu Sky is known for.

Each person on the team uses it differently depending on what their role needs.

Interested in achieving similar results?

Learn how Combinely can help your firm deliver higher quality work while freeing your team for strategic client relationships.

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How Blu Sky uses AI

Bryony Da Silva

VAT Team

VAT return reviews: an extra pair of eyes

Using AI as an extra pair of eyes, to deliver higher quality work faster.

Matthew Cotson

Client Services

More time for what matters: client relationships

How to never miss a detail.

Blu Sky Team

Case Study

Blu Sky: 4x higher positive client sentiment in 4 months

How Blu Sky deployed AI across tax, accounting & advisory services.

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Visit Blu SkyLearn more about their services
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You approve everything

Coco prepares the work and flags what needs your judgment. Nothing is final until you approve it.

Put your first agent to work this week.

Set Coco up in minutes. It does the preparation in the tools you already use — you review the work.

Prefer a walkthrough? Book a demo

  1. 1

    Choose an agent

    Pick from 50+ agents built for US firms.

  2. 2

    Connect your apps

    QuickBooks, Gusto, UltraTax CS and your inbox.

  3. 3

    Review the work

    Coco prepares, you approve — nothing is final until your firm signs it off.

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