Application modernisation and legacy migration companies · Technology
Win the modernisation brief by answering the risk question before the CIO asks it.
A head of technology at a Pune insurer has a policy administration system written in the early 2000s. It still runs every renewal, the two people who understand its batch jobs are close to retirement, and the board wants it on the cloud.
Scope, fee, reporting and term are agreed in writing after we have read your brief and spoken to you.

In one paragraph
Marketing for an application modernisation company means being the firm a CIO or engineering head trusts to move a working but ageing system to new code, new hosting or a new database without stopping the business. Sales turns an assessment into a phased contract. GullySales works on the firm's references, assessment offer and the long follow-up these deals need.
Three firms have sent decks. All three say the word modernisation. None has said what happens to the data on the night of cutover.
That is the sale. The buyer is not short of options, only of reasons to believe a firm will leave the old system running while the new one is built, and will hand back a working system rather than a partly migrated one. A firm that writes plainly about assessments, rollback and data checks is read before one that lists cloud logos.
Last updated 22 Oct 2026.
How buyers decide
How application modernisation and legacy migration companies are chosen.
The buyer is a CIO, a CTO or an engineering head at a bank, NBFC, insurer, hospital group, manufacturer or logistics company, with a vendor management office and a security team that must also say yes. They search for the specific problem, such as moving a VB6 application or an Oracle Forms system, ask peers in CIO forums, check which cloud partner programmes a firm belongs to, and call two or three firms for an assessment. Tender and empanelment routes decide public sector and some banking work.
The comparison rests on proof of a similar move and on how the firm handles the unknown. Has the firm migrated a system of this age and size before? Can the buyer speak to that client, and who finds out what the old code really does before anyone changes it? How is customer data protected in the move, who signs off each phase? And what is the way back if one fails? A firm that answers these in the first meeting is asked for a paid assessment.
The problem
What usually goes wrong for application modernisation and legacy migration companies.
What owners tell us on the first call, in their words.
“The buyer sees every modernisation firm as the same”
Each website says cloud, microservices and digital transformation. The CIO cannot tell a firm that has rewritten a mainframe batch system from one that has only rehosted web applications.
“References are locked behind client confidentiality”
The best migrations were done for banks and insurers who will not allow a name on a slide. The firm has a strong record and no way to show it to a buyer who asks for two similar clients to call.
“Nobody wants to be first to fund an assessment”
The buyer asks for an estimate before anyone has read the code. The firm either guesses and loses credibility later, or declines to quote and loses the conversation.
“Security and data questions arrive late and kill the deal”
The information security team reads the proposal in the final week and asks about data residency, access controls and audit trails. Answers that should have been in the first document are written under pressure.
“The sales cycle outlasts the attention of the champion”
A CIO who liked the first meeting changes role, or the budget moves to the next year. The firm has no routine for staying useful during the quiet months.
“Cloud partners and system integrators take the margin”
Large accounts reach the firm as a subcontract through a bigger integrator. The firm does the hard work and the end client never learns its name.
What we do
What we do for application modernisation and legacy migration companies.
Everything included for application modernisation and legacy migration companies.
An assessment offer page and a one-page scope
A page that explains what a paid assessment looks at: code, data, integrations, hosting and the people who know the system. It ends with a written findings document and a phased plan the buyer can take to the board.
A reference programme built on consent
A list of clients asked, in writing, what they allow: a named case, an anonymous write-up or a reference call. Each case is written around the system, the risk and the way the move was staged.
A security and data migration pack
A short document answering the questions an information security team asks: where data sits during the move, who has access, how copies are checked against the source, and how a failed phase is reversed.
Pages for each legacy stack you migrate
One page per system type, such as VB6 and Oracle Forms applications, ageing Java monoliths or mainframe batch, written for the person who owns that system today.
A long-cycle nurture routine
A sequence of useful notes for buyers who said not this year: a lesson from a migration, a change in a cloud provider's service, a question to ask their own team.
A partner and integrator introduction note
A short note for cloud partners and larger integrators that says which legacy work the firm takes on and how a joint bid would be shared.
How the result is measured
- Assessments booked from first meetings
- Assessments that turned into a phased contract
- Accounts reached through partners against direct approaches
- Reference calls held for each proposal sent
- Security questions raised after the proposal against before it
- Open accounts with a useful contact in the last quarter
Recorded as a baseline before work starts, so every later report has an honest comparison.
Every service, written for application modernisation and legacy migration companies
Each has its own page: what it involves for application modernisation and legacy migration companies, what you get, and what it is measured on.
- Lead generationFind the CIOs and engineering heads who already know which system must go.
- SEOBe the page an engineering head reads when they search for the system they want to leave.
- Social media marketingUse LinkedIn to show how your engineers think about an old system.
- Content marketingWrite what the migration was really like, so a CIO can judge the next one.
- Buyer personasKnow the five people who must say yes before a modernisation contract is signed.
- CRMKeep a long enterprise sale in view when the champion changes roles.
- Follow-up systemsStay useful through a long decision so the assessment goes to you.
- Digital marketingSpend on the few channels where technology leaders actually look for help.
- WebsiteBuild a site where an architect finds the stack page and the security answers.
Worth a page and a campaign of their own
A written assessment offer with a clear scope and a clear end · Reference calls arranged with client consent, in place of logo slides · Pages for each kind of legacy system the firm has migrated · Security, data residency and rollback answers ready before the proposal · A staying-in-touch routine for long enterprise sales cycles · Cloud partner profiles that name the specific migration work done · Technical writing from the engineers who did the work · Tender and empanelment documents kept current for public sector bids
Priority campaigns
Campaigns for what application modernisation and legacy migration companies most want to sell.
Each one planned around when your buyers decide, and measured against the baseline.
Assessment-first outreach to named accounts
A short list of companies whose public job posts or product pages show an ageing stack, approached with a note offering a paid assessment and the questions it answers.
Engineers writing about real migrations
Articles and talks by the people who moved a batch system or a database, covering what surprised them and what they would check earlier next time.
CIO and engineering head circles
Roundtables and small dinners in Bengaluru, Pune, Mumbai and Hyderabad where a buyer talks to a peer who has moved a similar system.
Cloud partner co-selling
Joint notes and events with cloud providers' partner teams, aimed at customers who have a migration on the roadmap but no firm named.
Public sector empanelment readiness
A maintained set of company documents, case summaries and certificates so a tender or empanelment notice can be answered without a scramble.
Beyond search
Where we reach buyers of application modernisation and legacy migration companies, beyond Google.
Search matters, but it is rarely the only way this industry's buyers find a supplier.
Google search for the specific legacy problem
Engineering heads type the name of the technology they want to leave and the word migration. A page on that exact move is read before a general services page.
LinkedIn and engineering communities
A CTO follows engineers who write about real work. Posts from the lead architect carry more weight than a company announcement.
Cloud provider partner directories
AWS and Azure partner listings are checked by buyers who already chose a platform. A profile that names the migration work done is read.
CIO forums and industry events
Peer groups of technology heads in banking, insurance and healthcare are where a recommendation is passed on between peers.
Tender portals and empanelment lists
Public sector buyers publish needs openly. A firm that watches the portals and keeps its documents ready can bid on time.
Who it is for
This is written for these application modernisation and legacy migration companies.
- Banks and NBFCs running core and loan systems built decades ago
- Insurers with policy administration and claims platforms on old stacks
- Hospital groups with a hospital information system nobody wants to touch
- Manufacturers on ageing ERP customisations and plant-floor software
- Logistics and supply chain firms with in-house dispatch and tracking applications
- Public sector bodies and PSUs with tender-led replacement projects
- Software product companies with a monolith that slows every release
- Mid-sized companies moving data centres to AWS or Azure
Not for
It is not the right fit if.
- You want a guaranteed Google ranking or a guaranteed number of leads. Nobody honest can promise either.
- You need enquiries by next week and have nobody to answer them.
- You want posts and reach reported, not enquiries and orders.
How it works
How the work runs for application modernisation and legacy migration companies
The work itself, in order. How an engagement starts, from your brief to a written scope, is set out on our method page.
- 1
Read what you migrate and for whom
Your service documents, two finished projects, and a conversation about the systems you take on and the ones you turn down.
- 2
Fix the proof
Reference consent from clients, case pages written around risk and staging, and engineer-written pieces that show the thinking.
- 3
Build the assessment path
An offer page, a scoping call script and a findings template, so a buyer who is unsure can start with a small, defined piece of work.
- 4
Answer the security team early
A data and security pack that travels with the first proposal and reaches the risk reviewer before the final meeting.
- 5
Stay in the room through a long sale
Follow-up notes for each open buyer, a partner introduction route, and a tracker you own that shows where every account stands.
Where this fits
Three pieces of sales work, in this order.
GullySales builds every engagement from three pieces of sales work. This page is not one of them, but the same three steps apply to the business behind it.
Step 1
Sales audit
Find where deals are being lost and what to fix first.
Start here if you cannot say where orders are lost.
Step 2
Sales process design
One written way to sell, from first enquiry to repeat order.
Start here if every salesperson sells differently.
Step 3
Sales management
A target, a review routine and someone who owns the number.
Start here if the team has targets and no routine.
FAQ
Questions application modernisation and legacy migration companies ask before they call.
Not here? More answers, or ask on WhatsApp.
Should a modernisation firm quote before seeing the system?
How do we show migrations our clients will not let us name?
Do technical articles help sell to a CIO?
How do we handle a sales cycle that runs for more than a year?
Is it worth bidding on public sector tenders?
How much does it cost?
How long is the contract?
How soon will we see results?
Who will actually do the work?
What do you need from us?
Part of Technology. See the other industries in the sector.
Your next practical step
Tell us what you are trying to grow, and we will read it before we call.
Eight short steps, mostly taps. Skip anything you would rather answer on the call.