FM companies • SLA-driven estates • contractors • multi-site governance

Master Key Systems for Facilities Management Companies

Facilities management lives in the gap between theory and reality: SLAs, urgent calls, contractor churn, and client handovers. We design master key suites that stay operational and auditable over time-segmented by client/site, with optional restricted keys and governance that your helpdesk can actually run.

Client/site segmentation SLA-friendly response Audit-ready control
Built for FM operations
FM companies and contract managers
Consistent access governance across multiple clients and sites.
Hard & soft services teams
Right access for cleaning, maintenance, and specialist contractors.
Helpdesks and SLA-driven operations
Fast incident response without breaking governance.
Multi-site portfolios
Segmentation by client, building, zone, and role.
FM triggers we see every week
Client loses a master tier / key compromise
Need containment options without shutting down operations.
New building handover
Integrate doors into a clean hierarchy with documentation from day one.
Contract award / mobilisation
Access governance must be defined and enforceable immediately.
Legacy suite discovered (no records)
Audit-first prevents accidental tier exposure and drift.
Portfolio expansion
Add buildings and doors without re-designing the whole suite.
Compliance / insurance requirement
Documentation and copy-prevention become business-critical.
Real premises, real support team
About us

Trusted master key system support

Speak to an MLA accredited locksmith team with in-house planning, documented suite records, and practical support before and after installation.

MLA Accredited
Aylesbury HQ
Online system management

Master locksmiths with BSI accreditation

MLA approved locksmiths, BSI certified key systems, and independently audited security standards.

Customer reviews
1 hour ago

Quick efficient and keys worked without any problems, and it was more economical than some online key cutting services

Peter Bainbridge
Read reviews on Google
2 hours ago

This is the third time I have used Lock and Key and each time they have been extremely helpful and always met my requirements. Once you use keyed alike you really appreciate not having to carry muliple keys around with you.

Ged McConville
Read reviews on Google
11 hours ago

Easy to navigate website and ordering if you have the information required. Packed well and fast delivery. 1st class service. Highly recommend this company.

Sandra Thorn
Read reviews on Google

Where FM master key systems go wrong

FM portfolios fail when suites aren’t segmented, governance isn’t enforceable, and incident response is improvised. The fix is surprisingly boring: plan, document, and run it like a system.

SLA pressure and “fix it now” reality

Lost keys, access changes, and urgent calls happen under time pressure. You need predictable response paths.

Multi-site complexity (and multiple clients)

Suites must be segmented so one client’s access doesn’t leak into another’s estate.

Contractors and sub-contractors rotate constantly

If off-boarding is messy, key control collapses. Policies must survive turnover.

Handover risk (TUPE, new contracts, new sites)

FM transitions expose undocumented suites, drift, and “mystery keys”. Audits stabilise quickly.

Uncontrolled duplication kills governance

If keys can be copied, you can’t enforce process. Restricted key systems help keep control.

Mixed access control estates

Many buildings use mechanical + electronic. Hybrid strategy can reduce friction while keeping audit trails.

The FM playbook: make it run like a service

You don’t need a “clever” suite. You need one your team can operate under SLA pressure without breaking control.

Key control policies
1) Segment by client first
Separate suites per client/contract by default. It reduces risk and simplifies accountability.
2) Define roles and tiers clearly
Cleaning vs maintenance vs supervisors vs specialist contractors. Least privilege wins.
3) Put ordering authorisation in writing
Who can order keys, approve changes, and sign off emergency actions.
4) Plan for incidents (lost keys)
Pre-define containment options so helpdesk escalation doesn’t become guesswork.
5) Make documentation operational
Cylinder specs, suite maps, re-order references, and “who holds what” governance.

Example hierarchy for an FM portfolio

Default rule: segment per client. Inside each client, segment by building/zone and role. Cross-client masters are a governance trap.

Client site user keys
Specific building/zone only (avoid cross-client access).
Cleaning/service tier
Approved areas only; excludes sensitive rooms and high-risk stores.
Maintenance tier
Plant rooms, risers, comms cupboards, service corridors, agreed technical rooms.
FM supervisor / site master (SMK)
One building or site footprint for operational oversight.
Client portfolio master (MK)
Multiple buildings for one client only (kept tightly controlled).
FM company master (GMK) (rare)
Avoided where possible. Segmentation reduces blast radius and governance risk.

System pages FM teams use most

These pages cover the “how” that your helpdesk and mobilisation teams rely on: control, hierarchy, hybrid decisions, and higher-risk tiers.

Trade / running-cost angle

FM wins when suites are documented and re-orderable. It reduces repeat site visits, avoids drift, and keeps incidents from turning into estate-wide replacements.

Fast re-orders and predictable support
You need re-order references and documentation so the helpdesk can move quickly without guessing.
Lower total running cost over time
Good planning reduces rework, drift, and “start again” replacements.
Risk containment by design
Segmentation reduces blast radius when keys go missing or contracts change.

FM shortcuts (money pages)

These are the high-intent workflows that convert directly into action: mobilisation quotes, audits, expansion, and incidents.

What we need to scope an FM portfolio

Start with client/site segmentation and roles. Add buildings and door counts. We can scope from partial info and refine via surveys.

Client + site segmentation
How you want contracts separated (usually per client, sometimes per portfolio).
Buildings + door count
Building list and rough door counts to scope tiers and hardware.
Roles
Cleaning, maintenance, supervisors, specialist contractors, security, managers.
Constraints + SLAs
Response times, access windows, critical rooms, downtime restrictions.
Key control model
Who can authorise orders, approve changes, and trigger emergency actions.
Existing suite info (if any)
Brand, known tiers, records status, drift issues, key copies in the wild.

Related industry pages

Same tooling, different estate patterns.

All industries

Want an FM suite that doesn’t break under pressure?

Send client/site segmentation, buildings, door counts and roles. We’ll propose a hierarchy your helpdesk can run with restricted key options and audit-ready documentation.

Urgent incident?

Lost master tier or compromised exposure:

Online management included

See how your whole system connects

Explore your keys, groups and communal doors in a visual system map. See expected access connections, give people the keys they need, and manage orders and permissions in one secure place.

People & permissionsNormal or management access, selected keys and date windows.
Restricted-order approvalsCheck the requester, delivery address and exact keys before deciding.
Complete order historySee every restricted order linked to the system in one place.
Timeline & documentsKeep customer-visible records separate from protected system charts.
Your system, mapped out TSR123 · Example
MASMaster key
Group A
SMA · Sub-master
A1 A2
COMACommunal
Group B
SMB · Sub-master
B1 B2
COMBCommunal
Group C
SMC · Sub-master
C1 C2
COMCCommunal
Group D
SMD · Sub-master
D1 D2
COMDCommunal
Follow the groups. Find the shared doors. Explore expected key access.
Orders & approvals Owner view
Example owner decision: an unauthorised request is reviewed, denied and recorded. No real orders are shown.
Restricted-order approvals

You decide who gets the keys.

An order outside someone’s access comes to you for approval. Check who is ordering, where the keys are going and exactly what they requested. Approve it when it checks out, or deny it when it doesn’t.

Pair these approvals with PREM 4, our usual patented keyway, for control over key supply as well as who can order. Every decision leaves a record in your system’s history.

Already have TSR or HMJ keys? Use the ordering page above. For another key range, contact us to find the matching product.