Zephior vs Thornton & Lowe
Put the recurring file work with Ziva.
Choose Ziva when your team wants a product that completes and revises original buyer files using company evidence and retained instructions. Thornton & Lowe also combines tools, continuity and broad bid services. Compare the working agent and the actual managed mandate, rather than technology versus a writing-only consultancy.
Where Ziva makes the difference
Get more of the work off your team’s desk.
Delegate production directly in the product
Ziva can complete the original workbook, revise the technical narrative and create supporting annexes or slides. She can change formulas, tables and layout. The team can use the agent for recurring file tasks instead of commissioning every revision or implementing guidance manually.
Keep your preparation standards available
Retain terminology, formatting preferences and repeatable working instructions across assignments. Source-scoped review, current comments and accepted document history support correction. Thornton & Lowe also offers continuing client knowledge, so compare how your team can operate and reuse the method, not whether continuity exists at all.
Buy external preparation when that is the constraint
Zelius can separately carry agreed preparation. Compare that mandate with Thornton & Lowe’s actual fixed-bid, review or retained-capacity offer, including specialists, portal tasks and accepted deliverables. Keep free discovery tools, product production and managed service economics distinct.
Where each fits
Start with the job you need done.
Consider Thornton & Lowe for
UK suppliers seeking tender search, framework support and outsourced bid capacity.
Choose Zephior for
Suppliers choosing independent software purchases or a scoped external tender partner.
Discovery and knowledge tools are offered
Tender Pipeline and a tender library sit alongside services.
Thornton & Lowe current software, discovery and supplier services(opens in a new tab)The service can own the full response
Planning, writing, management and portal work are described.
Thornton & Lowe current outsourced scope and indicative fees(opens in a new tab)Continuity is an explicit benefit
A continuing delivery team learns the client across bids.
Thornton & Lowe current outsourced scope and indicative fees(opens in a new tab)Across the bid lifecycle
Follow the work, stage by stage.
Compare the published scope with the work your team needs. A capability to verify is an evaluation question, rather than proof a product cannot do it.
Discover
Find the next opportunityTender Pipeline and search/selection support opportunity monitoring. Confirm exact sources.
Thornton & Lowe current software, discovery and supplier services(opens in a new tab)Search supported public procurement markets with Discover and receive company-specific monitoring through Intelligence.
Qualify
Decide where to investBid/no-bid advice and opportunity guidance support selection.
Thornton & Lowe current outsourced scope and indicative fees(opens in a new tab)Assess relevance, requirements and evidence gaps. A preliminary Intelligence recommendation is distinct from a complete tender-document audit.
Pursue
Shape the bid strategyStrategy and bid management coordinate the response.
Thornton & Lowe current outsourced scope and indicative fees(opens in a new tab)Bring in Zelius for pursuit sparring, bid strategy, specialist coordination and a scoped delivery plan.
Remember
Reuse company evidenceTender-library tools and repeat-client learning support reuse.
Thornton & Lowe current software, discovery and supplier services(opens in a new tab)Thornton & Lowe current outsourced scope and indicative fees(opens in a new tab)Turn existing documents and diagrams into reusable company evidence. Select the sources for each bid, review proposed knowledge changes and carry company terminology and working instructions into later assignments.
Respond
Produce the actual filesWriting, reviews and administration support scored answers and documentation.
Thornton & Lowe current outsourced scope and indicative fees(opens in a new tab)Give Ziva the buyer’s original files and the outcome. She can fill workbook cells, revise document content and layout, build calculations and prepare related Word, Excel, PDF and presentation deliverables.
Review and deliver
Move to approved outputPortal management and submission support are described. Agree approval and official receipt retention.
Thornton & Lowe current outsourced scope and indicative fees(opens in a new tab)Keep source-scoped reviewers, comments and accepted document history beside production. Review and restore prior accepted versions. Zelius can handle separately agreed submission work with customer approval and authority.
Zephior combines separately purchasable software and managed services. Customer decisions, declarations, pricing and final approval remain with the customer. Product access and service scope follow the chosen plan and agreement.
Pricing and ownership
Price the work completed, not just the subscription.
Thornton & Lowe
The bid-writing page gives typical fixed-fee starting ranges of £1,500 to £4,000, with complex bids upwards of £20,000, and reviews from £450. It also lists monthly full writing/strategy support from £1,950 and flexible day rates. These are indicative scope-dependent prices, not a universal bid tariff. Confirm VAT, capacity, inclusions and term.
Thornton & Lowe current outsourced scope and indicative fees(opens in a new tab)Zephior
Projects starts at CHF 500 per month for one Project Key, with unlimited users and company knowledge within one organization. Independent Intelligence starts at CHF 199 per month for one country. New software access starts paid with the published first-month money-back conditions. Zelius services have their own agreed scope and fees.
See current Zephior pricing ↗Compare the actual tender and retained capacity with matching documents, reviews and service responsibilities.
Published prices are starting points, not like-for-like quotes. Confirm currency, taxes, billing period, scope and current terms with each provider.
Make the evaluation useful
Bring a tender your team knows.
Use a past submitted tender as a benchmark, or a suitable live package. Compare the evidence, the final output and the work left for your team.
Match markets and scope
Confirm monitoring sources, framework needs, languages and specialist expertise.
Test continuity
Check a changed company fact and how the next bid reuses the approved replacement.
Review complete files
Inspect technical narrative, pricing workbook and required evidence together.
Quote the operating model
Separate individual bids, review-only work, day rates, retained capacity and software rights.
Questions before you choose
A closer look.
Is Thornton & Lowe only an outsourced writing shop?
No. Its current offer also includes tender tools, monitoring, training and broader supplier support.
Thornton & Lowe current software, discovery and supplier services(opens in a new tab)Are its indicative fees guaranteed for every tender?
No. The writing page says the actual scope is quoted after reviewing the tender.
Thornton & Lowe current outsourced scope and indicative fees(opens in a new tab)Sources and comparison method
Reviewed 19 October 2026. Competitor descriptions use the official product and pricing sources below. These are published capabilities, not results from a controlled product trial. Zephior publishes this comparison and has a commercial interest in your choice. Workflow recommendations are our assessment.
- Thornton & Lowe current software, discovery and supplier services ↗(opens in a new tab)
- Thornton & Lowe current outsourced scope and indicative fees ↗(opens in a new tab)
For Zephior’s current offer, see Ziva, Zelius and pricing. Ask us to demonstrate any requirement that is essential to your decision.
Your next opportunity
Bring the work.
See how far Zephior takes it.
Discuss your markets, a representative tender and the parts your team wants to hand over.