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Interim CSO · hiring brief

Hire Interim CSO

Hire Interim CSO: define the strategy work the interim CSO leads, the decisions that stay with the CEO and board, and the handover at the end.

Brief us on this role →See CSO roles

Reviewed by Fractional Quest · updated 28 October 2026 · 4 sources linked below

  • 3–5on every shortlist
  • 5stages of vetting
  • IR35set out on every brief
Hire Interim CSO: leadership meeting in a Covent Garden office (illustration)

On the board · last 90 days

Which CSO roles are on the board?

Interim CSO roles first, then the seat in any engagement and the wider function when the board runs short.

No roles on the board for this seat right now.

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Every fractional role in the UK is on the fractional jobs board.

In the press

The brief

Hire Interim CSO: what must the role own?

Name the strategy work.

  • 01ProgrammeName the strategy work.
  • 02BoardSay what goes to the board.
  • 03TeamName who supports them.
  • 04HandoverAgree what the business keeps.

Role reference: SFIA: strategic planning skill. SFIA’s strategic planning skill describes the work an interim CSO leads.

Which CSO?

Strategy, security or sales?

CSO can mean chief strategy, security or sales officer.

This page covers the chief strategy officer. For security leadership, see the interim CISO route.

The working pattern

What changes when the CSO is interim?

An interim chief strategy officer leads a defined strategy programme: a review, a transformation or an acquisition plan.

The illustrative brief: a strategy review after a market shift. Core revenue is under pressure and the board wants options.

The appointment owns: The interim CSO runs the review and presents options.

Another owner retains: The board decides; the CEO owns execution.

The case is illustrative; it does not describe a Fractional Quest placement.

From brief to start

How do you hire an interim CSO, step by step?

The first three steps are ours; the last four are what has to be true before the first day. We don’t promise a shortlist by a date.

  1. Day 0
    01
    The 15-minute call
    What the CSO must own, the working pattern, the start date and the budget.
    You and us
  2. Week 1
    02
    Scope agreed in writing
    The outcome the seat exists for, the days, and how the engagement will run for IR35.
    Us
  3. Weeks 1–3
    03
    Search, references, shortlist
    We approach people who aren’t looking, verify tenure, take references ourselves and return three to five.
    Us
  4. Week 4
    04
    Outcome
    Agree scope and end date.
    You
  5. Before day one · 2
    05
    Data
    Provide financials and market data.
    You
  6. Before day one · 3
    06
    Access
    Introduce leadership.
    You
  7. Before day one · 4
    07
    Log
    Record findings for handover.
    You

Assessment

How should you assess CSO candidates?

Put the same work and evidence in front of each candidate before comparing answers.

  1. Comparable decision
    Ask for a strategy review they led.
  2. Authority
    Test how they present options, not decisions.
  3. Team
    Ask how they used internal teams.
  4. Handover
    Ask what they left to execute.

Acas recommends a consistent, fair selection process: choosing who to interview.

Vetting

What happens before anyone reaches your shortlist?

Five stages before a candidate reaches a shortlist of three to five.

  1. Pedigree screen
    Tenure
    We verify prior tenure in the seat, at the scale and stage you need. No consultant presenting as an executive.
  2. Mandate fit
    Fit
    Fit to your stage, sector and the problem the seat exists to solve, not a CV keyword.
  3. Reference deep-dive
    Verify
    We take references ourselves, from recent clients and boards: what they delivered, not what they titled it.
  4. Shortlist
    Shortlist
    Three to five candidates, each with day rate, availability and IR35 position set out.
  5. Kick-off
    Start
    Scope, first-month outcomes and the contract agreed before day one.

The full process is on how we vet.

Questions

Hire Interim CSO: questions, answered

A brief to hire an interim CSO begins with programme: Name the strategy work. Then a stated working pattern and the evidence you will ask every candidate to show.

Read next

Related hiring and role pages

Sources

Where does every reference on this page come from?

  • sfia-online.org
  • HMRC
  • legislation.gov.uk
  1. 1
    SFIA: strategic planning skill sfia-online.org
  2. 2
    Understanding off-payroll working (IR35) HMRC
    Status depends on how the engagement runs; medium and large clients make the determination.
  3. 3
    Check employment status for tax (CEST) HMRC
    HMRC’s own status check for each engagement.
  4. 4
    Employment Agencies Act 1973 legislation.gov.uk
    The law a recruitment agency works under; no fee to a work-seeker.

For hiring managers

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  1. A shortlist of 3–5, each with day rate, availability and IR35 position
  2. Fractional, interim, part-time, temporary or permanent — and non-executive directors
  3. Every candidate through our five-stage vetting
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