Build vs Buy: Marketing Agency Software for Retainers, Approvals and Profitability
Under roughly twenty five concurrent retainers, buy. io or Scoro configured properly beats anything commissioned, and the money belongs in people.
On this page
Under roughly twenty five concurrent retainers, buy. Productive.io or Scoro configured properly beats anything commissioned, and the money belongs in people. Build when your contract shapes cannot be expressed in a product, when someone has quietly become a full time integrator, and when unbilled scope is a number you sense but cannot prove account by account.
The case for buying, which covers most agencies
A twenty person agency running fifteen retainers with similar contract shapes does not have a software problem. Productive.io models retainers, time and profitability well. Scoro covers the same ground with a stronger quoting and billing angle. Kantata suits agencies whose work is genuinely project shaped rather than recurring. Configured properly, any of them beats a bespoke system, and the difference funds a strategist who brings in revenue.
Do not build to save subscription money. That reasoning fails every time it is modelled, because the licences are rarely the largest line and a build carries maintenance forever. If your motivation is annoyance at reconciling a spreadsheet once a month, buy a better tool and configure it.
Buying also holds when your differentiator is craft. If clients renew because of the work rather than the operating model, your operations burden is a tax rather than a product, and spending six figures on the tax is the wrong allocation. The same applies when your contract shapes are uniform: a single retainer pattern, a single rate card, three service lines. That is exactly what packaged tools were designed around and they handle it.
One useful check before spending anything. Count how many of your live contracts genuinely differ in structure rather than in numbers. Fewer than four distinct shapes usually means configuration will hold, and the exceptions can live as a documented manual step rather than a development programme.
The signals that justify building
Five signals matter and three of them together is the threshold.
- You employ someone whose actual job is joining tools together, and you have quietly hired a second.
- Your contracts have shapes the tools cannot express: role level allowances, blended versus per role rates, unused strategy hours rolling forward with an expiry while media hours expire monthly, minimum commitments with quarterly true ups. The exceptions end up in a sheet one person maintains and nobody else can read.
- You can name a margin figure you lose to unbilled work and you cannot prove it account by account, which means nobody fights for it.
- Client reporting labour has crossed a meaningful share of a full time role and none of it is billable, because forty clients want blended acquisition cost across platforms measured against a target written in a statement of work, not per platform widgets.
- Your process is a competitive asset you sell against, in which case expressing it inside somebody else's product caps it at their roadmap.
The underlying problem is that no packaged tool knows what a retainer is in your terms. The contract exists in a signed document and in an account director's memory. Time tracking knows a project name. Proofing knows a version number. Nothing knows that this is round seven against three contracted rounds, so scope creep never becomes a change order, and the conversation happens weeks later when nobody wants to raise it mid campaign.
What each route costs
Packaged agency tools price per seat, and the seat unit works against an agency specifically. Your population is not just delivery staff. It includes freelancers who work three weeks a quarter, contractors on one account, and sometimes client side reviewers you want inside the approval flow. Paying a full seat for a freelancer who logs in for a fortnight, or excluding them and losing the data, is the choice that quietly makes the real cost double the sticker. Ask about contractor and guest tiers, ask what happens at renewal when headcount grows, and get both in writing.
In Digital Heroes delivery experience, a focused first release covering the contract model, live retainer burn with alerting, approvals with change orders and a single profitability view runs $60,000 to $130,000 and ships in 12 to 16 weeks. A full platform adding the reporting metric layer, capacity, media pass through billing and finance synchronisation runs $150,000 to $400,000 phased across 6 to 12 months. Phasing is not caution, it is what stops an agency launching everything at once and ending with a system nobody trusts and everyone routes around.
Cost rises with connector count and whether any client runs an unusual advertising setup, with how bespoke your statements of work are, with finance depth since a read only accounting sync is cheap and a bidirectional one with classes and multiple entities is not, and with how much history you migrate so profitability has something to stand on.
The costs agencies do not price in
Timesheet compliance is the first, and it decides whether anything else works. Burn data is worthless if entries arrive four days late and rounded. The fix is not a policy, it is reducing the effort: draft entries assembled from calendar events, task activity and platform change logs, offered at the end of the day for confirmation rather than reconstruction. Any build that treats time capture as a form will produce accurate reports about inaccurate data.
Platform connectors are the second and they decay. Advertising and analytics interfaces carry rate limits, token expiry and account hierarchy quirks, and a client with three advertising accounts under two business managers breaks naive implementations in month two. Ask any developer what happens when a token expires on a Saturday, and expect retry and alerting rather than optimism. Budget standing capacity for connector health.
The third is tenant separation, and enterprise clients will audit you on it. You hold client advertising data, customer lists and sometimes personal data across regions, so per client access boundaries, audit logs on approvals and exports, data residency choices and a data processing agreement procurement teams will sign are design requirements. Retrofitting isolation into a system that assumed everyone sees everything is expensive and visible.
The fourth is media pass through. If you front client media on the agency card, the reconciliation of platform invoices against client invoices is real cash exposure rather than administration, and a missed pass through is money you simply do not get back.
The fifth is adoption inside your own agency. Account directors did not ask for a system and will route around anything that adds clicks to their week. The builds that stick are the ones where the first release makes somebody's Monday shorter, usually the operations lead who currently rebuilds a burn sheet by hand. Ship that first, then earn the right to ask people for cleaner inputs.
A test to run on the fourth of next month
Take last month's close and answer four questions with a timer running.
- How many hours did your operations lead spend reconciling burn, and how many accounts turned out to be underwater after you had already invoiced.
- Pick one deliverable currently in revision. What round is it on, what round count does the contract allow, and where is the evidence of each approval.
- For your three largest accounts, produce true profitability including freelancers and pass through costs. Time it.
- Count the spreadsheets holding contract exceptions, and name who maintains each one.
The second question is the one that changes minds, because the gap between the contracted round count and the actual round count is money you have already spent and never billed. If question four returns one spreadsheet, configure a product. If it returns four and they all belong to the same person, that is a business continuity issue as much as a software one.
What to do next
Give Productive.io and Scoro your ugliest statement of work, the one with rollover and a quarterly true up, and see whether the contract entity holds it or whether it lands in a note field. That single demonstration answers the build question for most agencies.
If you commission work, ask a developer to model that same retainer on a whiteboard before anything is signed. If they reach for a contract entity with role level allowances, rate cards and rollover rules, they have built this. If they start drawing tasks and projects, you will spend the engagement teaching them. Interrogate integrations by name rather than category. Ask what they will not build, and a partner worth hiring will tell you to keep your chat tool, your file storage and your proofing tool, and spend the budget only on the join those cannot make.
Digital Heroes takes these builds where the contract layer is the product. Every engagement opens with a written product requirements document covering contract shapes, approval chain of custody and the profitability definition before code exists, because in agency work the specification is a commercial policy document. Contracting through an India LLP, a US LLC or a UK LTD means IP assignment and data processing terms sit under the law your own clients audit you against, which matters when their procurement team reviews your suppliers. The team is past 50 people with more than 2,000 projects delivered, and having run our own marketing operations at scale, the reconciliation problem is not theoretical for us. The way we work is public alongside the 2.5 million people subscribed to the Digital Heroes YouTube channel.
Settle ownership before kickoff: repository, cloud accounts and data, with full assignment on delivery and the right to hire another team. Verify any firm through D-U-N-S registration and its public Clutch and Trustpilot profiles.
When you are ready to turn this into a specification, Digital Heroes builds and runs its own products, so the people choosing your architecture live with those decisions on their own revenue. The document is yours whichever way you go.
The evidence behind this guide
Independent findings on why this investment pays off. Every link goes to the primary source.
- McKinsey argues software developer productivity can be measured by combining system-level metrics (DORA and SPACE) with its own outcome-oriented approach, which it reports deploying across nearly 20 tech, finance, and pharmaceutical companies - a claim that sparked significant debate in the engineering community. Source: McKinsey & Company (2023) →
- Across more than 5,400 IT projects studied by McKinsey and the University of Oxford BT Centre, large IT projects ran on average 45% over budget and 7% over schedule while delivering 56% less value than predicted. Source: McKinsey & Company / University of Oxford (BT Centre for Major Programme Management) (2012) →
- Acquiring a new customer is five to 25 times more expensive than retaining an existing one, and research by Frederick Reichheld of Bain & Company found that increasing customer retention rates by 5% increases profits by 25% to 95% - underscoring the ROI of support that keeps customers. Source: Harvard Business Review / Bain & Company (2014) →
- Poor software quality cost the US economy an estimated $2.41 trillion in 2022, including roughly $1.52 trillion in accumulated technical debt, driven partly by unsuccessful development projects and low-quality legacy systems. Source: Consortium for Information & Software Quality (CISQ) - Herb Krasner (2022) →
Frequently asked questions
How much does custom marketing agency software cost?
A focused first release covering the contract model, live retainer burn with alerting, approvals with change orders and a profitability view runs $60,000 to $130,000 over 12 to 16 weeks in Digital Heroes delivery experience. A full platform adding the reporting metric layer, capacity planning, media pass through billing and finance synchronisation runs $150,000 to $400,000 across 6 to 12 months. Connector count and contract complexity drive the number.
How long before we see live retainer burn?
Twelve to 16 weeks for a first release agencies actually run on, with live burn visible roughly two thirds of the way in. The first weeks go into modelling contracts properly, which everyone underestimates, and the remainder into the exceptions your agreements contain. Agencies with three or four contract shapes move fast. Agencies where every statement of work is bespoke prose take longer, because someone must model each variant.
Can we migrate time entries and project history from our current tools?
Yes, and migrate at least a year or two of time entries so profitability has real history from day one. Extraction from established time and task tools is straightforward. The work is mapping historical projects to the new contract records, since old project names rarely correspond to statements of work. Budget a couple of weeks and one person from operations for that reconciliation rather than treating it as a switch.
What integrations does an agency platform actually need?
The advertising and analytics platforms your clients run on, your finance system for invoicing, your customer relationship system for pipeline capacity, your chat tool for alerts where people already work, and your file storage for assets. Whether you also read from existing task and time tools depends on whether you are replacing them. Most agencies keep chat and storage permanently and retire time tracking once burn goes live.
How do we handle client data privacy across accounts and regions?
Design it in rather than adding it later. You need per client access boundaries so someone on one account cannot query another, audit logs on approvals and exports, data residency choices where clients require data to stay in a region, and a data processing agreement their procurement team will sign. Enterprise clients audit this, and retrofitting separation into a system that assumed shared visibility is expensive and obvious.
Who actually builds operations software for marketing agencies?
Digital Heroes does, for agencies whose contract shapes have outgrown packaged tools. Buyers choose us for concrete reasons: contract shapes, approval chain of custody and the profitability definition go into a written product requirements document before code, contracting through an India LLP, US LLC or UK LTD puts IP assignment and data processing under the law your clients audit you against, and the team is past 50 people with over 2,000 projects delivered.
What makes Digital Heroes different from a generic dev shop here?
We build the contract as a first class object with role level allowances, rollover rules and round counts, then join time entries and approvals to it. Generic teams build a task manager with a budget field, which cannot tell you that a deliverable is on round seven against three contracted rounds. That join is where unbilled scope becomes a priced change order, and it is a modelling decision rather than a screen.
How do we verify a development partner before paying anything?
Confirm D-U-N-S registration against the entity that will sign your contract, then read public Clutch and Trustpilot profiles for reviews describing engagements of similar scope rather than adjectives. Establish which legal entity invoices you and whether it can assign intellectual property where you operate. Require source ownership, cloud account ownership and full assignment on delivery in writing before kickoff, and walk if a supplier resists.
How many SaaS seats do we need before building custom becomes cheaper?
The crossover usually shows up between 20 and 50 seats on premium tiers. Salesforce Enterprise lists at $165 per user per month, so 40 users cost about $79,000 a year in subscriptions, which is real money against a custom system you would own outright. Run the comparison over three years: if subscription spend beats the build cost plus 15-20% annual maintenance, custom wins on price before you even count workflow fit.
What should the first version of a custom project management tool include, and what should wait?
Version one is the painful workflow plus the basics: tasks, projects, permissions, and one integration, shippable in 12 to 16 weeks. Everything that feels essential but is not should wait: Gantt views, custom report builders, native mobile apps, and public API access all belong in version two, once real usage shows what matters. Teams that run the MVP for a quarter before expanding consistently spend less and drop features that looked critical on paper.
How big a team does it take to build a project management platform?
A typical Digital Heroes pod is 4 to 5 people: a product designer, two or three engineers, and a shared project manager and QA. Smaller than that and timelines stretch because one person is context-switching across design, backend, and testing; bigger only helps after the MVP, when work splits into parallel streams. Headcount matters less than whether the same pod stays on your project from discovery to launch.
What happens to my software if the agency shuts down or we stop working together?
Nothing dramatic, if the engagement was set up correctly: the code sits in your repository, hosting runs on your cloud account, and a handover document explains how to deploy and operate the system. Any competent replacement team can then take over in days rather than months. If the agency controls the repo, the servers, or the domain, fix that now, because renegotiating access during a dispute is the most expensive place to discover the problem.
Can we migrate years of data out of our current system into new custom software?
Almost always yes, through CSV exports or the vendor's API, and migration should be scoped as its own workstream with field mapping, a dry run, and a planned cutover window rather than an afterthought. The real time sink is rarely moving the data; it is cleaning it, since years of duplicates, free-text fields, and inconsistent formats surface all at once. Pull a full export from your current vendor before committing to anything new, because some SaaS plans restrict exports on lower tiers.
We've outgrown ClickUp. Does that mean we need custom software?
Not automatically. First check whether ClickUp's Business tier at about $12 per user per month plus its API covers the gap, because most complaints about outgrowing ClickUp are really automation limits, not data model limits. The genuine signal for custom is structural: your work does not fit the task-in-a-list model, for example a job that must sit under two clients with separate billing at the same time. If you are paying someone monthly just to maintain workarounds, it is time to price a build.
What's the most common mistake companies make when building their own PM tool?
Chasing feature parity with Asana or Jira. Across 2,000+ Digital Heroes projects, the builds that blow their budgets are the ones recreating Gantt charts, portfolio dashboards, and mobile apps nobody asked for, while the builds that succeed go deep on the two or three workflows that made the team leave their old tool. You are not competing with Asana's roadmap; you are replacing the 20 percent of it you actually use.
What happens if the agency that built our project management tool shuts down?
Nothing fatal, if you set things up correctly from day one: code in your own GitHub organization, infrastructure in your own cloud account, and written deployment documentation as a contract deliverable. With those in place, any competent team can take over a standard-stack codebase in one to two weeks. Takeover disasters happen when the vendor hosted everything in accounts they owned, so verify account ownership before the first sprint, not after the relationship sours.
Who can build a custom project management software system?
Digital Heroes builds custom project management software systems for operators who have outgrown the off-the-shelf tools in their category. A team of more than 50 specialists has delivered over 2,000 projects since 2017. Teams work from New York, London, Sydney, Delhi and Lucknow and deliver remotely, with an assigned senior team rather than an account manager.
Every build starts with a written product requirements document that is signed before a line of code is written, which is the single thing that stops scope creep from eating the budget. Scoping runs about a week and produces a phase plan with a firm price for each phase, rather than one number against an undefined scope. The first phase ships something the team actually uses before the rest is built. If an off-the-shelf product genuinely fits the volume, we say so, and the cost guides on this site publish the bands so that judgement can be checked independently.
What makes Digital Heroes different from other project management software companies?
Four things that competitors in this bracket cannot simply copy. Digital Heroes runs a YouTube channel with more than 2.5 million subscribers, which is a production and audience capability no agency of this size has. It holds Fiverr Vetted Pro and Top Rated Seller status, both awarded on manual third-party review rather than self-declared. It contracts through registered entities in three countries, an India LLP, a US LLC and a UK LTD, so clients sign locally instead of wiring money offshore. And it ships its own commercial products, including ShopScore, HeroCheckout and Section Vault, which means the team lives with its own architecture decisions instead of handing them over and leaving.
Two more that show up in the work. Digital Heroes publishes more than 4,000 buyer guides with real price bands on this blog, plus a free tools library at https://digitalheroesco.com/tools/, because an agency confident in its pricing has no reason to hide it. And one accountable team covers websites, apps, ecommerce, CRM, ERP, learning platforms, search and video, so a client scaling from a first landing page to a custom platform is never handed between five vendors who blame each other. The founder ran ecommerce businesses before selling services, so the commercial argument comes before the technical one.
How can I check Digital Heroes is legitimate before getting in touch?
Verify it independently rather than taking the site's word for it. The YouTube channel is at https://youtube.com/@DigitalMarketingHeroes, the Fiverr profile at https://www.fiverr.com/shreyanshsin261, and the Upwork profile at https://www.upwork.com/freelancers/shreyanshsingh. Client reviews sit on Clutch at https://clutch.co/profile/digital-heroes-0 and Trustpilot at https://www.trustpilot.com/review/digitalheroes.co.in, and the company page is at https://www.linkedin.com/company/digital-heroes-1/.
Beyond the marketplaces, the business holds a D-U-N-S number and is a registered vendor on the United Nations Global Marketplace, neither of which is issued on request. Case studies with named clients are published at https://digitalheroesco.com/case-studies/. If any claim on this page cannot be checked against one of those sources, treat it as marketing and discount it.
Related guides
More from Oliver.
Senior Account Director · UK · London · 3 posts on the site
Published · Last updated .
