Senior people stay on the work
You work directly with the engineers making the product and technical decisions - not through an account-management layer.
Product development partner
EU & UK SaaS Since 2018
Software development you can actually see.
Senior product engineers who show you the work every week
the progress, the estimates, and the honest bad news too.
- Weekly visibility
- Client ownership
- Reversible releases
- Direct access to engineers
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Every week we see exactly what OneSyntax has built, what’s next and what could slow us down. No surprises, just steady progress on TenderApp.
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Working with Kalpa and the OneSyntax team has been a pleasure... communicates frequently and clearly. I have no hesitation in recommending them.
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Recognised for ease of use.
Leave Dates received Capterra’s Best Ease of Use award in 2026.
Read case study (coming soon)
Trusted since 2018 by
Start where your product is today.
You’re investing in development, but useful progress has stalled
Rescue your product without risking what already works
- Identify the code, infrastructure and delivery risks
- Stabilise releases before making structural changes
- Receive a prioritised recovery plan, milestone and budget
1 week to get the project back on track
Boyd Verbiest on LinkedIn (opens in a new tab)
Read case study (coming soon)
Every week, you see working software. Speak directly to the senior engineers building it. Releases in small, reversible steps, and you own everything from day one.
- Longest client relationship began
- 2018
- Typical client relationship
- 2–8 yr
- Products in active development
- 8–10
- Revenue our clients added in Q3 2026
- $1.2M
Founders who stopped worrying
about their dev team.
Client storyTestimonial 2 of 3: Leave Dates video
One senior product team for the
next stage of your software.
A clear rhythm every week
Priorities are agreed at the start of the week, followed by a demonstration of real working software and a clear view of what comes next.
Progress in manageable releases
Work is broken into small, testable increments so you can learn sooner, change direction safely and avoid a risky big reveal.
You retain control throughout
Your code, infrastructure, documentation and accounts remain under your ownership from the first day - not only after handover.
Decisions stay visible
Estimates, risks, spending and technical trade-offs are discussed openly before they become expensive surprises.
Prices you see
before you commit.
Dedicated Developer
€36€50£31£42$40$55
- Business rules, scope and technical decisions
- Development and automated testing
- Senior code review
- Weekly demos and release support
Product designer
€34€47£29£40$37$52
- User flows and wireframes
- Interface and interaction design
- Clickable prototypes
- Design handover and implementation review
Growth marketer
€34€47£29£40$37$52
- Customer research and message development
- Landing pages and experiments
- Coordination with product and engineering
- Agreed measures and human review
All prices are shown excluding VAT.
You have three real options.
Here's the honest comparison.
| Criteria | Typical Agency | Freelancers | |
|---|---|---|---|
| Progress visibility | A report when you ask for one | Up to you to track | A working demo every week |
| Who does the work | Seniors pitch, juniors may deliver | The specialist you hired | A named senior team that stays |
| Who you talk to | An account manager | The freelancer you hired | The engineers building it |
| Your code | Depends on the contract | Depends on the freelancer | In your accounts from day one |
| Pricing | Quoted per project or retainer | Hourly, daily or per project | Published rates, from €34£29$37/hour |
| When your idea won't work | Usually built as briefed | Usually outside their brief | We tell you before you spend |
| Leaving | Often a long fixed contract | They may disappear mid-project | Leave any time with one email |
From first conversation to a
clear first milestone.
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Book a call
Thirty minutes with Kalpa to define the problem, write a brief and check the fit.
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Assess the right thing
We review the idea, code or team, then rank the work by urgency and return.
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Receive the plan
A written goal, success measure and first delivery date.
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Start with evidence
Work starts once the reviews, goal, first milestone and access are signed off.
The questions worth
answering before a call.
You should always know what’s being built, why it matters and what comes next.
Can you take over software another team built?
Yes. We start by reviewing the code, the hosting setup and how work currently gets released. We keep what works, fix what’s risky, and only recommend rebuilding the parts that genuinely can’t support the business.
Will you want to rebuild the product from scratch?
No. We only suggest a rebuild when the current product can’t support your next stage of growth, and we put the cost and risks in writing first.
Who actually works on the product?
A named senior team that stays on your product. You meet them before the engagement starts and speak to them directly every week.
How soon can you start?
Usually within two weeks of agreeing a plan, and sooner if the first milestone is already clear.
Who owns the code and the accounts it runs on?
You do, from day one. The code, hosting accounts and documentation are yours throughout, not only after handover.
Book a call
Thirty minutes. Straight answers.
Book a call with Kalpa Perera on LinkedIn (opens in a new tab)
Booking calendar
Open the booking page
Not ready to talk?
Get the checklist.
10 questions to ask before you hire any dev team - the ones that expose a black box before you've paid a deposit. Use it on us, too.