Fixed Price vs Time and Materials vs Dedicated Team: Which Pricing Model Fits Your Project?

TL;DR

• Three models dominate B2B software buying: fixed-scope project, Time & Materials (hourly), and dedicated team (monthly retainer).
• Fixed price = predictable budget when scope is bounded; T&M = flexibility when priorities shift weekly; dedicated team = ongoing velocity when you have a roadmap, not a project.
• Nova Sidera pricing: Project from €4,500, T&M €55–€95/hr, dedicated team from €6,500/month — all quoted after Discovery.
• Wrong model tax: fixed price on fuzzy scope → change-order fights; T&M without backlog discipline → budget blowout; dedicated team without product direction → expensive idle capacity.
• Not sure which fits? €50 audit at /consultation/ — scope review, model recommendation, credited toward any engagement.

What Are the Three Pricing Models?

Software agencies and studios typically offer variations of the same three structures. Names differ ("milestone-based," "staff augmentation," "retainer"), but economics cluster here:

None is universally "best." The right choice is a function of scope clarity, timeline, and who owns product decisions — usually you, the founder, unless you hire a PM on your side.

Understanding contract types in software procurement helps, but agile vocabulary does not replace a signed cut-line. Write down what "done" means before you pick a model.

When Does Fixed Price Make Sense?

Fixed-scope pricing means: agreed deliverable, agreed timeline, agreed price. Change the scope, renegotiate the price. Simple.

How Nova Sidera fixed projects work

Our Project tier starts from €4,500 and includes:

• Discovery session + one-page brief
• Design and build to a fixed v1 cut-line
• Two rounds of revisions
• 30-day post-launch support

Best for: landing pages, MVPs with 3–7 core flows, marketing site rebuilds, EAA accessibility remediation packs, "ship this defined thing by Q4."

Advantages

• CFO-friendly: know the number before you sign.
• Forces clarity: if the agency cannot quote fixed, your scope is probably fuzzy — that is useful signal.
• Delivery focus: vendor incentivized to ship cut-line, not gold-plate.

Risks

• Scope creep via "small asks" — death by a thousand change orders. Fix: explicit out-of-scope list in contract.
• Under-specified acceptance criteria — "build a dashboard" is not a spec. Fix: wireframes + user stories + testable AC.
• Wrong vendor incentive — cheapest fixed bid wins by cutting QA. Fix: compare portfolios, not just price.

Fixed price fails when you say: "We will figure out the product as we go." That is T&M or dedicated team language — forcing it into fixed price creates adversarial dynamics.

When Does Time and Materials Make Sense?

T&M means you pay actual hours at an agreed rate — Nova Sidera bills €55–€95/hr depending on seniority and role, invoiced weekly with timesheets and demos.

Best for: evolving SaaS, AI/experimental features, integrations where API behavior is unknown, post-MVP iteration when priorities rotate weekly.

Advantages

• Honest economics: no padding for vendor risk — you pay for work done.
• Start fast: skip weeks of estimation theater; begin Discovery and ship week two.
• Pause anytime: our contracts allow stopping a sprint without penalties — runway control for startups.

Risks

• Budget drift: 20 hours/week becomes 40 if backlog is unmanaged. Fix: weekly cap, prioritized backlog, founder or PM owns "yes/no."
• Visibility burden: you must read timesheets or attend demos — otherwise trust erodes.
• Rate shock without context: €85/hr × 400 hours = €34,000 — cheaper than a bad fixed bid that renegotiates to €50,000 anyway, but surprising if you are not tracking burn.

T&M works when you trust the vendor and manage priority. It fails when you want a vendor to "just handle it" without weekly input — that needs a dedicated team with embedded PM instead.

When Does a Dedicated Team Make Sense?

A dedicated team is 2–4 named engineers/designers (plus PM cadence) working your roadmap month after month. Nova Sidera teams start from €6,500/month — rolling monthly contract, joint backlog you control.

Best for: post-PMF products, multiple parallel workstreams, continuous delivery, when hiring locally is too slow but you need more than 20 hours/week of T&M.

Advantages

• Context retention: same people learn your domain — no re-onboarding every sprint.
• Predictable monthly burn: finance plans €8,000/month, not surprise invoices.
• Velocity compounds: month three is faster than month one because architecture and conventions exist.

Risks

• Empty backlog = waste: you pay for capacity even if priorities are unclear. Fix: maintain 2–4 weeks of groomed backlog minimum.
• Isolation: team far from your office can drift from business context. Fix: weekly demo + monthly roadmap sync.
• Overkill for one-off tasks: do not hire a dedicated team to rebuild one landing page — use fixed scope.

Dedicated team is not staff augmentation where you micromanage every ticket — good partners push back, propose architecture, and own quality. It is augmentation when you need hands without EU hiring lead time.

How Do You Choose? A Decision Matrix

Ask two questions:

1. Can I write acceptance criteria for 80% of the work? Yes → lean fixed. No → T&M or team.
2. Is this a project or a product? Project ends. Product continues. Products almost always outgrow fixed price after v1.

Can You Combine Models?

Strongest pattern we see among successful founders:

Phase 1 — Fixed MVP (€4,500–€15,000): Discovery, v1 cut-line, launch, learn.

Phase 2 — T&M sprint blocks (€55–€95/hr): 4-week experiments, integration spikes, "try this AI feature."

Phase 3 — Dedicated team (€6,500+/month): steady roadmap once PMF signals appear.

Contract each phase separately. Handoff deliverables: repo access, architecture doc, deployment runbook, open issue list. Avoid auto-renew traps — monthly rolling is fine; multi-year lock-in is not.

Another hybrid: fixed price per milestone inside a T&M umbrella — "Sprint 4 deliverable: checkout flow" at fixed €6,000 within ongoing engagement. Gets budget caps without pretending the whole year is fixed.

What Should You Do Next?

Before signing anything:

1. Write v1 cut-line — three must-have flows, five non-goals.
2. Estimate horizon — one launch or twelve months of iteration?
3. Match model to horizon using the matrix above.
4. Compare apples to apples — same scope to fixed and T&M vendors; ask what is excluded.
5. Book €50 consultation at /consultation/ — we review scope, recommend a model, and credit the fee toward your first Project, T&M sprint, or team month.

The model is not a moral choice. Fixed price is not "safer" and T&M is not "more honest" — they are different risk allocations between you and your vendor. Allocate the risk to whoever is better equipped to carry it: you carry product uncertainty; vendor carries estimation uncertainty under fixed price.

Nova Sidera — three ways to work: Project from €4,500 · T&M €55–€95/hr · Dedicated team from €6,500/mo · Discuss