Client cases

How agencies grow with Senly.

Real figures from agencies — anonymized, but verifiable. No vanity metrics, only what the agency genuinely changed.

30 cases

Marketing agency (B2B/B2C mix)15 clients · September 2025

Social Agency — Amsterdam

After switching to Senly: onboarding reduced to 3 hours per client, reporting fully automated (1 minute per client). Monthly tooling costs dropped from €840 …

-85%Onboarding time
-EUR240/moTool costs
+27%Clients managed
Marketing freelancer in transition8 clients · January 2026

Freelance → Agency — Rotterdam

Senly brought everything under one login. Freelancers got client-specific access without seeing everything about other clients. The agency's own brand became…

+60%Clients
+EUR2.400/moRevenue
+8 hrs/weekTime for strategy
Marketing agency specializing in hospitality22 clients · November 2025

Niche Agency — Utrecht (hospitality)

Senly's content calendar and approval flow captured 100% of client communication. Restaurants see posts directly in a visual preview and can approve them thr…

100%Client retention
2× fasterApproval speed
+24 pointsClient NPS
Marketing agency (B2B focus)11 clients · October 2025

B2B Growth Agency — Den Haag

Through the white-label portal, clients can follow the content calendar live and give feedback directly. Revision rounds dropped from an average of 3.2 to 1.…

-66%Revision rounds per post
+110%Revenue
2× largerTeam size
Marketing agency (fashion & lifestyle)18 clients · August 2025

Fashion & Lifestyle Agency — Eindhoven

Senly's content calendar with visual preview gave the team and clients instant insight into the planning status. Campaign deadlines are now scheduled 3 weeks…

-90%Missed deadlines
6,8 → 8,4Client satisfaction
+35%Content per month
Independent social media manager10 clients · December 2025

Solo Freelancer — Groningen

With Senly, every client has its own client profile, content calendar and approval flow. The monthly overview now takes 15 minutes instead of half a day. The…

-75%Weekly planning
+EUR15/hrHourly rate
10 → 12Clients managed
Marketing agency (healthcare sector)9 clients · February 2026

Health & Wellbeing Agency — Leiden

Senly's approval flow with a built-in comments feature replaced the email chains entirely. The internal compliance check and client approval now run in paral…

−83%Turnaround per post
0Approval errors
100%Client retention
Marketing agency (real estate sector)14 clients · March 2026

Real Estate & Broker Agency — Amsterdam

With Senly, brokers can approve content quickly themselves through the mobile portal. Urgent posts — a new property for sale — are now published in an averag…

−83%Time from approval → live
+41%Social-generated leads
100%Clients active on the portal
Small marketing agency in a growth phase20 clients · October 2025

Two-Person Agency — Tilburg

Senly gave both partners full visibility into each other's work. When one is away, the other takes over seamlessly because everything lives in one central pl…

−6 hrs/mo ppReporting hours
+8 in 4 moNew clients
100%Continuity during absence
Marketing agency (retail & online stores)16 clients · July 2025

Retail & E-commerce Agency — Haarlem

Senly's campaign planning let the team schedule campaigns 3 months ahead. For the first time, Black Friday was fully planned in advance and executed automati…

−12 hrs/weekWorking hours during peaks
+28%Client campaign reach
+EUR45.000Client revenue via social
Marketing agency (sports & health)13 clients · January 2026

Sports & Fitness Agency — Arnhem

Through the Senly portal, clients can upload content directly along with their instructions. The agency processes the submission, adjusts where needed and sc…

−95%WhatsApp messages per week
−4 hrs/client/moContent processing time
+60%Client engagement
Multilingual marketing agency12 clients · September 2025

International Agency — Maastricht

Senly's structured content flow kept version control per client. The agency could add translators as external team members. Wrong language versions disappear…

−63%Delivery time for multilingual posts
0Version-confusion incidents
6 activeExternal translators managed
Influencer & creator management25 clients · November 2025

Influencer Management Agency — Amsterdam

With Senly, each influencer has their own profile and each brand its own approval flow. Briefings live in the platform and deadlines are tracked automaticall…

−100%Missed campaign deadlines
0Brand clients lost
+2New brand partnerships
Marketing agency (education)7 clients · February 2026

Education & Training Agency — Utrecht

Senly's simple portal won over even the most traditional clients. Within 6 weeks, all 7 clients were active on the platform. Campaign turnaround dropped from…

−76%Campaign turnaround
7/7Clients active on the portal
+2 nieuwe klantenReferrals
Marketing agency (local SMEs)30 clients · August 2025

Local Business Agency — Nijmegen

Senly's templates and automated reporting made it possible to manage 30 clients with 2.5 staff. Six clients that would otherwise have been dropped stayed pro…

2,4 uurHours per client per month
30 → 38Clients managed
+18%Profit margin
Marketing agency (technology & SaaS)10 clients · December 2025

Tech & SaaS Agency — Rotterdam

With Senly, clients could edit copy themselves within the approval flow, leaving the agency only to validate. Last-minute product changes are now handled in …

30 minHandling time for last-minute changes
+3 startupsNew clients onboarded
9,1/10Client satisfaction
Marketing agency (weddings & events)19 clients · March 2026

Wedding & Events Agency — Noord-Brabant

The agency planned the entire summer season ahead in April. By the time the weddings began, all they had to add was live content — the framework was already …

−70%Manual planning during peak season
−8 uur/weekOvertime in the summer months
4,9/5 ⭐Client ratings
Marketing agency (agricultural sector)11 clients · October 2025

Agri & Food Agency — Leeuwarden

Through Senly's mobile portal, clients can approve content straight from the tractor or the barn. Response time dropped from an average of 3.8 days to 6 hour…

−84%Approval time
0Posts without approval
+3×Client engagement
Full-service marketing agency55 clients · June 2025

Mid-Sized Agency — Amsterdam (30 staff)

Senly's client profiles act as a central memory: all agreements, style guides and communication history are stored in a structured way. When an account manag…

−65%Onboarding a new account manager
0Client incidents since implementation
96%Client retention
Marketing agency (financial sector)8 clients · January 2026

Finance & Insurance Agency — Dordrecht

Senly's structured approval flow was configured with a mandatory compliance step before client approval. The compliance department now works directly in the …

−71%Compliance turnaround time
+3New financial clients
0Compliance incidents
Two freelancers collaborating16 clients · November 2025

Freelancer Duo — Den Bosch

Senly gave the duo a shared workspace without the bureaucracy. Each has visibility into the other's clients, tasks are clearly assigned, and clients see one …

+EUR3.800/moExtra income vs. solo
EliminatedDuplicated work
16Clients managed together
Startup agency (recent graduates)6 clients · September 2025

Young Creative Agency — Groningen

With Senly they instantly gained the look and feel of a professional agency. A white-label portal, structured approval flow and automated reporting won clien…

6 → 11Clients in 5 months
0Complaints about professionalism
+EUR250/moAverage client contract
Marketing agency (tourism & hospitality)17 clients · April 2025

Tourism & Recreation Agency — Zeeland

Bulk scheduling and campaign planning in Senly made it possible to plan the entire summer season in advance, from January through March. Seasonal staff becam…

0Seasonal staff needed
+31%Client reach in summer season
100%Pre-scheduled summer content
Growing marketing agency (scale-up)40 clients · May 2025

Fast-Growing Agency — Amsterdam

Senly gave management and the team a shared dashboard with real-time insight per client. Clients no longer slip through the cracks — every client has an owne…

40 → 55Clients under management
0Clients "slipping through the cracks"
Real-timeManagement overview
Marketing agency (family businesses & SMB)21 clients · July 2025

SMB Family Business Agency — Deventer

Through the Senly portal — simple and clear — even older owners become active. They click "approve" or leave a comment. After-the-fact disputes disappeared e…

23% → 89%Clients approving before publication
0After-the-fact disputes per month
+31%Client satisfaction
Marketing agency (personal branding & thought leadership)12 clients · January 2026

Personal Branding Agency — Zwolle

Through the Senly portal, clients see content exactly as it will appear live. Comments are contextual on each post. Average feedback time dropped from 3 days…

−87%Feedback time per post
78%Posts approved after one round
100%Client retention, year 1
Marketing agency (sustainability sector)14 clients · August 2025

Sustainability & Impact Agency — Breda

By using Senly as a central platform, several separate tools could be cancelled. Part of the savings was passed on to clients, which strengthened the relatio…

−€390/mndTool cost reduction
€15/mnd ppClient discount passed on
+2New larger clients
Marketing agency (regional SMB, North Holland)24 clients · March 2025

Regional SMB Agency — Alkmaar

Through the Senly portal, clients can always check the status of their content themselves — 24/7. The number of after-hours phone calls dropped from an avera…

−89%After-hours phone calls
Significantly upEmployee satisfaction
Available24/7 client visibility
Marketing agency (automotive & mobility)9 clients · October 2025

Auto & Mobility Agency — Apeldoorn

With Senly the agency could adjust urgent content quickly, and clients could flag through the portal when an offer had expired. Public complaints dropped to …

0/mndPublic complaints at clients
+3×Social engagement, dealer client
20 minContent change turnaround
Marketing agency (beauty & hair)28 clients · February 2026

Hair Salon Niche Agency — Amsterdam

Using content templates in Senly, base templates are created and then quickly personalized per salon. Content production time dropped from an average of 2.5 …

−77%Content production time per salon
10 → 28Salons managed
+€8.400/mndRevenue
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