Reviews
Part of What the 2024 subscription law means for subscription commerce reviews
When to commission subscription commerce agency reviews
A buyer's guide to subscription commerce agency reviews: what to assess, what to skip, and how to separate vendor claims from independent evidence.
What to take away
- The Bank of England held Bank Rate at 4% on 6 August 2026, so agency retainers priced in 2024 now need re-testing against current funding costs.
- A useful subscription commerce agency review states what was assessed, what was not, and which claims come from the agency itself.
- Vendor material, such as the official Meta advertising documentation, can confirm platform capability but never performance in your market.
- Independent evidence means filings, published case data and named client references you can contact, not award badges.
- Commission a review before renewal, before a replatform, and whenever a retainer rises without a change in scope.
When a review is worth commissioning
Commission a review when the agency's role is changing, not on a fixed calendar. A retainer that has run unchanged for two years is a candidate. So is any pitch where the agency supplies all the evidence.
When to commission a review
Has the agency's role changed?
Commission a review
Keep on fixed calendar
Interest rates shape what you can afford to test. The Bank of England's Monetary Policy Committee decisions set the backdrop for pricing and investment planning, and the Committee voted to hold Bank Rate at 4% on 6 August 2026. A review that ignores the cost of capital will recommend the same spend in every climate.
What a review should assess
Scope, evidence and commercial terms, in that order. Scope covers which subscription journeys the agency will own: acquisition, billing, retention or all three. Evidence covers what proof they offer. Terms cover fees, notice periods and who owns the data.
Our subscription commerce review methodology sets out how scores are weighted and why vendor claims are labelled separately from independent evidence. Read it before you brief anyone, because it defines the difference between a review and a pitch document.
What a review should not claim
No reviewer can verify an agency's results without access to the client's own data. So a review should never say a campaign performed well unless a named client published the figure and you can check it.
We do not claim hands-on testing of agency platforms. Instead we assess public documentation, regulatory filings and client references.
Compliance claims deserve the same treatment. The ICO's direct marketing checklist sets out practical consent and opt-out expectations, so an agency that cannot describe its consent capture in those terms is a risk, not a partner.
A due diligence checklist
- Ask for two client references from the last 18 months, and contact both.
- Request the consent wording used in live acquisition campaigns.
- Confirm who owns subscriber data if the contract ends.
- Check whether fees are tied to outcomes you can measure.
- Compare the proposal against your own subscription commerce reviews and comparison methods so scoring stays consistent between shortlisted firms.
- Ask what the agency will not do, and write the answer down.
Scoring without overclaiming
Score four areas: evidence quality, compliance, commercial fit and delivery capacity. Weight evidence highest, because it is the hardest to fake. Leave brand reputation out unless you can name the source.
For example, a team paying £6,000 a month for an acquisition retainer should expect monthly reporting that ties spend to trials and renewals. If the report stops at clicks, the score for evidence quality falls regardless of how polished the deck looks.
Common questions
Can a review tell me which agency is best?
No. It can tell you which agency fits your scope, budget and compliance position, and it can show where the evidence is thin. Best is a judgement only you can make with your own numbers.
Do I need a review before every renewal?
Not every one. Review before renewal if scope, fees or ownership terms have changed, or if you cannot trace a reported result back to your own data.
Are vendor case studies useful at all?
Yes, as a starting point. Treat them as vendor claims, then ask for the client's permission to check the underlying figures directly.
How long should a review take?
Two to three weeks is realistic for a shortlist of three agencies, assuming references reply promptly. Longer if you need legal input on data ownership.
