What is professional indemnity insurance (Professional Indemnity)?
Professional indemnity insurance — widely known as Professional Indemnity (PI) or Errors & Omissions (E&O) insurance — covers liability claims arising from errors, negligence or misrepresentation by a professional or firm in delivering a service to a client.
Coverage secures two main items: legal defence costs and compensation paid to the client. These two items are assessed independently; the insurer may cover defence costs even if the claim is not ultimately upheld.
PI should not be confused with Commercial General Liability (GL) insurance. GL covers "occurrences" such as bodily injury or property damage; PI covers financial loss arising from professional outputs such as advice, design, analysis or reports.
Annual PI or single-project SPPI?
This is the most frequently asked question in professional indemnity insurance. The answer depends on the firm's business model and the nature of the project.
Annual PI
- Covers all services delivered during the 12-month policy period
- Standard structure for firms operating on a continuous basis
- Retroactive date extends back as long as renewals are maintained
- Multiple projects or clients under the same policy
- Limit applies as an aggregate for all claims in the policy year
- More cost-effective in the long run for a regular firm
SPPI — Single Project PI
- Written specifically for a defined project only
- Continues through post-completion maintenance / latent defect period
- Used at project inception for firms without annual PI
- Additional capacity where the annual PI limit is insufficient for a large project
- Can also be arranged by the project owner (employer)
- Limit is ring-fenced for this project alone — cannot be exhausted by another project
Critical question: Is your client requiring "PI valid during the project period" or "PI valid for X years after project completion"? These two conditions require very different policy structures; they must be clarified before the contract is signed.
When is SPPI the right choice?
- If the firm does not yet hold annual PI and the client makes PI a contract condition — SPPI is the only option.
- If the project size exceeds the annual PI limit — using SPPI as excess/top-up capacity protects the limit.
- If a project-specific guarantee independent of the firm is required — the project owner can arrange SPPI rather than relying on the lead consultant's annual policy.
- When the firm closes or merges — SPPI as run-off cover for an ongoing project.
Project period ≠ policy period: the critical consequence of claims-made policies
Professional indemnity policies operate on a claims-made basis. This means the claim must be made during the policy period — what matters is when the claim is made, not when the loss occurred.
Three scenarios: is there cover?
* This table is a conceptual guide only. The outcome of each case depends on the policy wording and the specific facts.
SPPI time strip
A project-based policy must cover a period far longer than the project itself:
A policy covering only the construction period does not respond to latent defect claims arising after completion. The run-off period in SPPI must be calculated from the design phase.
Retroactive Date and Extended Reporting Period (ERP)
Retroactive Date is the earliest date to which the policy can look back. Preserving this date when changing insurers is essential; a break leaves older services without cover.
Extended Reporting Period (ERP) / Run-off is the additional period which, after the policy expires, guarantees that claims arising from services rendered in the preceding period can be notified for a specified time. It is critically important during firm closures, mergers, and insurer changes.
Inside and outside coverage — what is covered, what is not?
Coverage included
- Professional errors & omissions (professional negligence)
- Misrepresentation and misleading advice
- Unauthorised disclosure of information / confidentiality breach
- Intellectual property infringement (copyright, design theft)
- Defence costs — regardless of the validity of the claim
- Liability arising from subconsultant error (subject to wording)
- Document loss / record destruction
Typical exclusions
- Deliberate or dishonest acts
- Contractual guarantee exceeding the negligence standard
- Bodily injury or property damage (within GL scope)
- Known disputes prior to policy inception (prior knowledge)
- Services rendered before the retroactive date
- Insolvency / financial incapacity compensation
- Fines and punitive sanctions
Defence costs: the most valuable element of PI
The majority of professional indemnity claims prove to be unfounded — but defending an unfounded claim can still cost significant sums. The defence cost cover of a PI policy pays legal fees, expert fees and court costs even when the claim has no merit.
Note — defence cost structure: In some policies defence costs are within the limit; in others they are in addition to the limit. In a "within limit" structure, significant defence costs can erode the amount remaining for compensation. Which structure applies must always be queried when comparing quotations.
The insurer in most PI policies reserves the right to manage the defence strategy. This means the insurer's consent must be obtained when the insured wishes to settle. The "hammer clause" or "consent to settle" provisions in the policy wording determine this balance.
Subconsultant / sub-adviser liability
On large projects the lead consultant delegates part of the work to subconsultants. Liability to the client, however, typically rests with the lead consultant. This means losses arising from a subconsultant's error may also fall under the lead consultant's PI policy.
- Lead consultant risk: If the lead consultant is required to pay the client compensation for a subconsultant's design error, they may seek to recover this from their PI policy — whether the policy covers subconsultant liability depends on the wording.
- Recourse mechanism: After the lead consultant's PI responds, a right of recourse against the subconsultant may arise. If the subconsultant has no PI policy of their own, recourse may prove fruitless in practice.
- Ideal structure: Each subconsultant maintains their own PI policy, and the lead consultant makes this a contractual requirement.
Common error: The lead consultant's PI policy may be limited to "their own services" — entering a contract without policy wording that expressly covers subconsultant errors creates a coverage gap.
The boundary between Contractual Liability and professional indemnity
PI policies cover professional errors meeting the negligence standard. If a consultant undertakes by contract to pay compensation regardless of whether negligence was involved, this falls within the scope of Contractual Liability and exceeds the limits of the PI policy.
✓ Within PI scope
"I undertake to meet the required standard of professional skill and care." — Liability based on negligence standard.
✓ Within PI scope
"My design will comply with applicable regulations." — Commitment to meet a known standard, limited to negligence.
✗ Outside PI scope
"I guarantee that no structural issues will arise during the project's operating life." — Absolute guarantee, requires no negligence.
✗ Outside PI scope
"I will indemnify all losses arising from late delivery or any other cause." — Broad indemnification, exceeds PI scope.
Inserting commitments in contract negotiations that the PI insurer would not accept can render the signed policy effectively worthless. Neolife evaluates the alignment between contract conditions and policy wording at the quotation stage.
Prior Knowledge Exclusion
When a PI policy is arranged or renewed, the insurer requires disclosure of existing disputes and complaints (Prior Knowledge). If a claim later arises from a situation the insured knew or should have known about at that point, the insurer may decline the claim.
- At first policy inception: if a client complaint or dispute exists, disclosure is mandatory.
- At renewal: situations during the policy year that resemble potential claims must be notified to the insurer — this is both a legal obligation and a matter of protecting coverage.
- Staying silent in the hope that "perhaps nothing will happen" leads to a future claim being declined.
Practical rule: Even if no formal complaint has been received from the client, notifying the insurer of a significant dispute or dissatisfaction on a project records it as a "known circumstance" before it materialises as a claim, and protects coverage in the subsequent policy period.
Sector-based risk examples
Engineering
Ground investigation data leads to an incorrect foundation design that emerges during construction. The client sues the engineer for additional costs and delays. Defence costs and any resulting compensation within PI scope.
Architecture
An error in the project file prepared by the architect generates additional remedial cost during construction. The contractor charges the additional work against a cancelled interim payment and the architect is held liable.
Management Consulting
An error in the valuation report prepared by an M&A consultant causes the client to overpay. International litigation to establish the loss; defence costs can reach significant levels.
Technology / Software
The developed ERP system does not function correctly on the go-live date; the client sues the software firm for production downtime and business interruption. Technology E&O / PI is the natural coverage for this scenario.
Financial Advisory / Accounting
An accounting error overlooked by the audit firm leads a company to publish incorrect financial statements. The auditor is held liable in a lawsuit by investors who suffered losses.
Energy / Facilities Consulting
The energy consultant's power plant efficiency forecast fails to materialise; the investor, finding the project's returns below expectation, claims against the consultant.