Managed Service: We Run ESG:ONE On Your Behalf
Your sustainability function is one or two people doing the work of five. Reporting cycles eat the year. The CFO wants the numbers in business language. The supply chain won't reply to the survey.
Our managed service team operates ESG:ONE on your behalf — data collection, supplier chasing, materiality, disclosure drafting, audit prep. You retain sign-off and ownership. We deliver the work.
When clients call us for managed service
Six familiar scenarios. If any of these are your reality right now, the conversation is worth having.
One person, the job of five. A solo sustainability lead being asked to run carbon accounting, CSRD prep, supplier engagement, board reporting and the EcoVadis response — on top of strategy work that's supposed to be the actual job.
The reporting cycle owns the year. Q1 is CDP. Q2 is annual report drafting. Q3 is supplier survey chase. Q4 is board prep. There's no time left for actually moving emissions down or building capability.
The CFO needs a translator. Sustainability data is in tCO2e and m³. The board needs it in £ and basis points. The current team can't bridge it. Hiring an ESG-finance hybrid takes 12 months and costs £120k+.
Suppliers won't reply. The Scope 3 survey has gone out three times. Response rate is 12%. Chasing means another quarter lost to procurement-relationship management, not analysis.
Audit prep is a fire drill. The assurance team wants methodology docs, data lineage, sign-off trails — the sustainability team has spreadsheets and emails. Every June is a panic.
Hiring isn't the answer. A senior sustainability hire is £100k+ all-in, 6 months to find, 12 months to be productive. You need impact this quarter, not next year.
What our managed service delivers
Six capability tracks, each operated by ESG:ONE specialists. You pick the scope; we run it.
Data collection & QA
Monthly emissions data sweep across sites, utility bills, supplier feeds. AI extraction, anomaly checks, gap closure. You get a clean dataset, not a chase list.
Supplier engagement
We chase your suppliers. Translated surveys, multi-channel follow-up, response-rate management. Target: 70%+ response on Tier 1 within 90 days.
Materiality & disclosures
Double materiality assessment, IRO documentation, framework-aligned disclosure drafting (CSRD, ISSB, GRI, CDP, B Corp). You sign, we draft.
Audit & assurance prep
Evidence packs ready before the auditor asks. Methodology documentation, full data lineage, sign-off audit trail. No June panic.
Board & CFO translation
Quarterly board pack converting ESG data into £ impact, cost of capital effects, regulatory risk exposure. The CFO language version of every sustainability number.
Capability handover
Optional — if you're scaling your in-house team, we structure a 6 or 12-month handover with documentation, training and shadowing. We're not trying to lock you in.
How an engagement runs
Scoping call
20 minutes. We understand your reporting commitments, current team, deadlines.
Fixed annual quote
Within 48 hours. Scope, scope of work, deliverables, fee, exit clauses on one page.
90-day kickoff
Platform deployed, data sources connected, supplier list loaded, baseline established.
Monthly cadence
Monthly steering call, quarterly board pack, annual full-cycle delivery. Always with your sign-off.
Managed Service pricing
On top of the platform licence. Indicative annual retainers based on company scope and supplier count.
Lite
For SMEs with one reporting cycle, <50 suppliers
per year
- Quarterly data sweep
- One framework (B Corp / CDP / GRI)
- Annual board pack
- Tier 1 supplier engagement
Standard
For mid-market with CSRD/ISSB scope, 50–500 suppliers
per year
- Monthly data sweep
- Multi-framework (CSRD + ISSB + GRI)
- Quarterly board pack with CFO translation
- Full Scope 3 supplier programme
- Audit-prep evidence packs
Enterprise
For multi-entity with complex Scope 3, 500+ suppliers
per year
- Continuous data & QA
- All frameworks + sector-specific
- Dedicated account director
- Multi-entity / portfolio consolidation
- QuantESG financial impact reports
All tiers include monthly steering calls and exit clauses. Fixed annual quote within 48 hours of scoping call.
Managed Service FAQs
What is the ESG:ONE managed service?
A team of ESG:ONE specialists operates the platform on your behalf. We collect data, chase suppliers, run materiality assessments, draft disclosures and prepare audit evidence. You retain sign-off and ownership; we deliver the work.
Who is the managed service for?
Sustainability teams of 1–3 people facing CSRD, ISSB or B Corp deadlines, plus growing Scope 3 and supplier ESG demands. Also for sustainability-mature companies that want to free senior people from operational reporting to focus on strategy.
How is managed service priced?
Annual retainer on top of platform licence, scaled by reporting scope and supplier count. Indicative range: £40,000–£180,000/year. Fixed annual quote within 48 hours of a scoping call. No surprise fees.
Do we lose control of our ESG function?
No. You retain strategic ownership, sign-off on every disclosure, and own all data. We operate the platform with you, not instead of you. Monthly steering calls, full visibility, exit clauses if you scale your team.
How long is the typical engagement?
Annual contracts, renewable. Most clients start with a 12-month engagement covering one full reporting cycle, then renew. Common reason to scale down: you've hired your own senior sustainability lead. We design exit pathways from day one.
Related Services
Consultancy
Time-bound projects to get you ESG-ready. Materiality, baseline, framework selection, roadmap.
Learn moreAdvisory
Fractional ESG officer / quarterly strategic review. For boards and CEOs without an internal ESG function.
Learn moreESG:ONE Platform
The platform our team operates — available standalone if you have the in-house capacity to run it yourself.
Learn moreHand the operational ESG load to specialists.
Book a 20-minute scoping call. Fixed annual quote within 48 hours.