Case studies
The work, written up plainly.
Each study covers the situation before, what we built, and what was measured afterwards, including what we would do differently.
Web app developmentEducation technology, 2 foundersIllustrative
A tutoring marketplace MVP launched in nine weeks, not six months
A first-time founder had a 40-item feature list, a fixed budget, and customers waiting. We scoped the list to five items that could take money, and launched a working marketplace in nine weeks.
Read the case study- 9 wks
- From first call to public launch
- 140
- Bookings taken in the first month
- 0
- Deferred features that needed a rewrite when added
AI agent workflowsResidential HVAC, 46 staffIllustrative
A dispatch agent that reads every service request before the office opens
Northgate was losing jobs to slow callbacks. We built an intake agent that reads, classifies, and routes every request into their dispatch board, then stops for a human when it is not certain.
Read the case study- 11 min
- Median first response, from 9 hours
- 14 hrs
- Dispatch admin removed per week
- 38%
- More jobs booked from the same lead volume
SEOManufacturing, 55 staffIllustrative
A website migration that kept every ranking the old site had earned
A manufacturer's old site ranked well but was slow and hard to edit. We rebuilt it on a modern stack and treated the URL map as the real project, holding organic traffic within a few percent of the old site.
Read the case study- 3%
- Change in organic clicks 90 days after launch
- 412
- URLs inventoried and mapped by traffic value
- 0
- Ranking pages lost in the move
AI agent workflowsFreight brokerage, 88 staffIllustrative
Three-way matching carrier invoices against rate confirmations
Cedarline's billing team reconciled thousands of carrier invoices by hand every week. We built a matching pipeline with an exception queue that only shows the invoices that genuinely need a person.
Read the case study- 1,940
- Invoices matched per week without review
- 94%
- Of volume cleared without a human touch
- 71%
- Smaller weekly exception queue
ChatbotsMarketing services, 60 staffIllustrative
An internal chatbot that answers policy questions and cites its source
A 60-person marketing agency kept answering the same HR and IT questions by hand from scattered documents. We built an internal assistant that answers from approved files, links the source, and routes anything personal to a person.
Read the case study- 72%
- Policy questions answered without a person
- 120
- Questions answered per week in team chat
- 5 hrs
- Operations manager time returned per week
AI agent workflowsB2B distribution, 40 staffIllustrative
Supplier price lists that go live in hours instead of days
A building materials wholesaler retyped supplier price changes into its catalog by hand, often days late. We built an agent that reads each supplier file, matches products, and applies approved changes with a full log.
Read the case study- 6 hrs
- From supplier email to live catalog price, from 3 days
- 14 hrs
- Manual catalog entry removed per week
- 88%
- Price lines matched with no manual step
Web app developmentFacilities services, 30 staffIllustrative
A job tracker that got maintenance jobs out of WhatsApp groups
A property maintenance company tracked jobs across phone calls, email and WhatsApp groups, so nobody could say which jobs were late. We built one job board with technician sign-off and automatic updates to landlords.
Read the case study- 5
- Late jobs per month, from 22
- 2.5 days
- Average job completion time, from 4.6 days
- 11 hrs
- Office hours per week on status updates, from 19
Cloud optimizationSoftware, 12 staff, 4 developersIllustrative
Deploys that took an afternoon now take minutes and no specialist
A property listings platform relied on one developer and a free afternoon for every release. We set up automated testing, staging and error alerts for the four-person team, and wrote the runbook that removed the single point of failure.
Read the case study- 9 min
- Time per deploy, from about 2 hours
- 7
- Deploys per week, from about 2
- 4 min
- Time to detect a production error, from hours
SEOE-commerce, 6 staffIllustrative
Search traffic from buyers who had never heard of the brand
A handmade ceramics brand got traffic only from people who already knew its name. We used Shopify SEO to rebuild its collection pages, fix product schema, and keep filtered URLs out of the index.
Read the case study- 3.4x
- Non-brand clicks from Search Console, over 90 days
- 12
- Collection pages ranking on page one, from zero
- 41%
- Share of organic revenue from non-brand pages, from 19%
ChatbotsSoftware, 15 staffIllustrative
Support chatbot that answers instantly and hands billing to a person
Two support staff at a scheduling software company answered the same help center questions all day, and customers in other time zones waited overnight. We built an AI customer support chatbot grounded only in the help center, with strict limits and a clean handover to Intercom.
Read the case study- 68%
- Conversations resolved without a handover
- 24 sec
- Median first response, from about 9 hours overnight
- 31
- Help center gaps found in the first quarter
AI agent workflowsAccounting services, 8 staffIllustrative
Cutting month-end receipt sorting from six hours a client to forty minutes
A small bookkeeping practice sorted client receipts by hand at every month end. We built a pipeline that reads each receipt, matches it to a bank transaction and suggests a category, with a person approving every entry.
Read the case study- 40 min
- Month-end receipt work per client, from six hours
- 82%
- Receipts matched to a bank transaction automatically
- 4%
- Category corrections in review
Cloud optimizationE-commerce, 7 staffIllustrative
Keeping a WooCommerce store online through its biggest sale of the year
An outdoor gear store on cheap shared hosting went down during every promotion. We moved it to managed containers with caching and a CDN, and the next sale ran without an outage.
Read the case study- 2.6 sec
- Median mobile load time, from 8.4 seconds
- 100%
- Uptime during the next sale, from two outages
- 58%
- Checkout completion rate, from 39%
Web app developmentManufacturing, 16 staffIllustrative
Cutting cabinet quote turnaround from three days to one hour
A cabinet workshop sent every quote through the owner and one fragile spreadsheet. We built an online quote calculator that staff and customers can use, with prices the workshop updates itself.
Read the case study- 1 hr
- Median time from enquiry to quote, from three days
- 42
- Quotes sent per week, from 11
- 9%
- Quotes the owner corrected, from 55%
ChatbotsE-commerce, 9 staffIllustrative
A WhatsApp chatbot that resolves most order-status questions by itself
A nine-person tea retailer answered the same WhatsApp questions all day and fell behind at weekends. We built an assistant that reads live order status and hands anything unusual to a person.
Read the case study- 68%
- Conversations resolved without a person
- 40 sec
- Median first reply, from 3.5 hours
- 9 hrs
- Support time saved per week
AI agent workflowsB2B distribution, 22 staffIllustrative
Automating invoice reminders to cut payment time from 24 days
A wholesale packaging supplier chased every overdue invoice by hand from a spreadsheet. We built reminders that run on a schedule and an agent that sorts the replies, with a person approving anything sent to key accounts.
Read the case study- 9 days
- Average days to payment, from 24 days
- 61%
- Replies sorted without a person
- 4 hrs
- Owner's chasing time per week, from 11 hours
Cloud optimizationSoftware, 11 staffIllustrative
Cutting a SaaS startup's AWS bill by 41% with no downtime
An early-stage SaaS company watched its cloud bill grow for eight months while traffic stayed flat. A two-week audit found oversized databases and idle staging environments nobody was using.
Read the case study- 41%
- Monthly AWS bill reduction, from $18,400
- 9%
- Share of spend on non-production, from 27%
- 0
- Production incidents during the change window
Web app developmentHealthcare, 2 clinics, 18 staffIllustrative
Online booking cuts no-shows and phone time at a physio clinic
Every appointment at a two-location physiotherapy clinic went through the phone. We built an online booking portal with digital intake, deposits and reminders, designed around the reception team.
Read the case study- 68%
- Bookings made online, from near zero
- 9%
- No-show rate, from 19%
- 5 hrs
- Reception phone time per week, from 19 hours
SEOHome services, 14 staffIllustrative
A plumber's service pages went from 2 indexed to 41 in six weeks
A family-run plumbing company was invisible on Google because a leftover noindex tag blocked every service page. We fixed the indexing, speed and structured data, and organic inquiries rose to 19 a month.
Read the case study- 41
- Indexed pages, from 2
- 1.9s
- Mobile load time, from 5.8 seconds
- 19
- Organic inquiries per month, from 4
Studies marked Illustrative use anonymized names and representative figures while client approval is pending.
Start a project
Have a problem that looks like one of these?
hello@nexumlab.comInclude what you are building, your timeline and a rough budget. We reply within one business day. No forms, no chat widget, no sales sequence.